diff --git a/.claude/skills/docs-writer-blog/SKILL.md b/.claude/skills/docs-writer-blog/SKILL.md index ef28225f8..baa21c34d 100644 --- a/.claude/skills/docs-writer-blog/SKILL.md +++ b/.claude/skills/docs-writer-blog/SKILL.md @@ -159,7 +159,7 @@ See [How to Upgrade to React X.Y](/blog/YYYY/MM/DD/react-xy-upgrade-guide) for s ### React {/*react*/} -* Add `useNewHook` for [purpose]. ([#12345](https://github.com/facebook/react/pull/12345) by [@contributor](https://github.com/contributor)) +* Add `useNewHook` for [purpose]. ([#12345](https://github.com/react/react/pull/12345) by [@contributor](https://github.com/contributor)) --- @@ -603,7 +603,7 @@ npm install react@latest react-dom@latest | Type | Pattern | |------|---------| -| GitHub PR | `[#12345](https://github.com/facebook/react/pull/12345)` | +| GitHub PR | `[#12345](https://github.com/react/react/pull/12345)` | | GitHub user | `[@username](https://github.com/username)` | | Twitter/X | `[@username](https://x.com/username)` | | Bluesky | `[Name](https://bsky.app/profile/handle)` | @@ -623,8 +623,8 @@ For more information, see the docs for [`useActionState`](/reference/react/useAc ### Bullet Pattern ```markdown -* Add `useTransition` for concurrent rendering. ([#10426](https://github.com/facebook/react/pull/10426) by [@acdlite](https://github.com/acdlite)) -* Fix `useReducer` observing incorrect props. ([#22445](https://github.com/facebook/react/pull/22445) by [@josephsavona](https://github.com/josephsavona)) +* Add `useTransition` for concurrent rendering. ([#10426](https://github.com/react/react/pull/10426) by [@acdlite](https://github.com/acdlite)) +* Fix `useReducer` observing incorrect props. ([#22445](https://github.com/react/react/pull/22445) by [@josephsavona](https://github.com/josephsavona)) ``` **Structure:** `Verb` + backticked API + description + `([#PR](url) by [@user](url))` diff --git a/.claude/skills/react-expert/SKILL.md b/.claude/skills/react-expert/SKILL.md index 5ebcdee37..c252f6ce0 100644 --- a/.claude/skills/react-expert/SKILL.md +++ b/.claude/skills/react-expert/SKILL.md @@ -32,7 +32,7 @@ This skill produces exhaustive documentation research on any React API or concep 2. **React Source Code** - Warnings, errors, implementation details 3. **Git History** - Commit messages with context 4. **GitHub PRs & Comments** - Design rationale (via `gh` CLI) -5. **GitHub Issues** - Confusion/questions (facebook/react + reactjs/react.dev) +5. **GitHub Issues** - Confusion/questions (react/react + reactjs/react.dev) 6. **React Working Group** - Design discussions for newer APIs 7. **Flow Types** - Source of truth for type signatures 8. **TypeScript Types** - Note discrepancies with Flow @@ -51,7 +51,7 @@ First, ensure the React repo is available locally: if [ -d ".claude/react" ]; then cd .claude/react && git pull origin main else - git clone --depth=100 https://github.com/facebook/react.git .claude/react + git clone --depth=100 https://github.com/react/react.git .claude/react fi ``` @@ -71,8 +71,8 @@ Spawn these agents IN PARALLEL using the Task tool. Each agent receives the skep | test-explorer | Explore | Test files for usage patterns | Search `.claude/react/packages/*/src/__tests__/` for test files mentioning the topic. Extract actual usage examples WITH file paths and line numbers. | | source-explorer | Explore | Warnings/errors in source | Search `.claude/react/packages/*/src/` for console.error, console.warn, and error messages mentioning the topic. Document trigger conditions. | | git-historian | Explore | Commit messages | Run `git log --all --grep="" --oneline -50` in `.claude/react`. Read full commit messages for context. | -| pr-researcher | Explore | PRs introducing/modifying API | Run `gh pr list -R facebook/react --search "" --state all --limit 20`. Read key PR descriptions and comments. | -| issue-hunter | Explore | Issues showing confusion | Search issues in both `facebook/react` and `reactjs/react.dev` repos. Look for common questions and misunderstandings. | +| pr-researcher | Explore | PRs introducing/modifying API | Run `gh pr list -R react/react --search "" --state all --limit 20`. Read key PR descriptions and comments. | +| issue-hunter | Explore | Issues showing confusion | Search issues in both `react/react` and `reactjs/react.dev` repos. Look for common questions and misunderstandings. | | types-inspector | Explore | Flow + TypeScript signatures | Find Flow types in `.claude/react/packages/*/src/*.js` (look for `@flow` annotations). Find TS types in `.claude/react/packages/*/index.d.ts`. Note discrepancies. | ### Step 3: Agent Prompts @@ -164,8 +164,8 @@ CRITICAL: Do NOT rely on your prior knowledge. Only report what you find in PRs. Your task: Find PRs that introduced or modified . -1. Run: gh pr list -R facebook/react --search "" --state all --limit 20 --json number,title,url -2. For promising PRs, read details: gh pr view -R facebook/react +1. Run: gh pr list -R react/react --search "" --state all --limit 20 --json number,title,url +2. For promising PRs, read details: gh pr view -R react/react 3. Look for: - The original RFC/motivation - Design discussions in comments @@ -189,7 +189,7 @@ CRITICAL: Do NOT rely on your prior knowledge. Only report what you find in issu Your task: Find issues that reveal common confusion about . -1. Search facebook/react: gh issue list -R facebook/react --search "" --state all --limit 20 --json number,title,url +1. Search react/react: gh issue list -R react/react --search "" --state all --limit 20 --json number,title,url 2. Search reactjs/react.dev: gh issue list -R reactjs/react.dev --search "" --state all --limit 20 --json number,title,url 3. For each issue, identify: - What the user was confused about @@ -199,7 +199,7 @@ Your task: Find issues that reveal common confusion about . Format your output as: ## Common Confusion ### Issue #: -**Repo:** <facebook/react or reactjs/react.dev> +**Repo:** <react/react or reactjs/react.dev> **Confusion:** <what they misunderstood> **Resolution:** <correct understanding> **Gotcha:** <if applicable> diff --git a/.github/ISSUE_TEMPLATE/config.yml b/.github/ISSUE_TEMPLATE/config.yml index 63e310e0b..de2bfc362 100644 --- a/.github/ISSUE_TEMPLATE/config.yml +++ b/.github/ISSUE_TEMPLATE/config.yml @@ -1,6 +1,6 @@ contact_links: - name: 📃 Bugs in React - url: https://github.com/facebook/react/issues/new/choose + url: https://github.com/react/react/issues/new/choose about: This issue tracker is not for bugs in React. Please file React issues here. - name: 🤔 Questions and Help url: https://reactjs.org/community/support.html diff --git a/.github/workflows/discord_notify.yml b/.github/workflows/discord_notify.yml index 8707bba2a..9badeede3 100644 --- a/.github/workflows/discord_notify.yml +++ b/.github/workflows/discord_notify.yml @@ -6,7 +6,7 @@ on: jobs: check_maintainer: - uses: facebook/react/.github/workflows/shared_check_maintainer.yml@main + uses: react/react/.github/workflows/shared_check_maintainer.yml@main permissions: # Used by check_maintainer contents: read diff --git a/.github/workflows/label_core_team_prs.yml b/.github/workflows/label_core_team_prs.yml index 7f000d276..e8cacf403 100644 --- a/.github/workflows/label_core_team_prs.yml +++ b/.github/workflows/label_core_team_prs.yml @@ -14,7 +14,7 @@ env: jobs: check_maintainer: - uses: facebook/react/.github/workflows/shared_check_maintainer.yml@main + uses: react/react/.github/workflows/shared_check_maintainer.yml@main permissions: # Used by check_maintainer contents: read diff --git a/.gitignore b/.gitignore index 92626a1e6..ed9efe38d 100644 --- a/.gitignore +++ b/.gitignore @@ -46,3 +46,6 @@ public/rss.xml # worktrees .worktrees/ + +# Generated OG images (scripts/generateOgImages.mjs) +public/images/og/ diff --git a/package.json b/package.json index 359f30d3e..97bc1432c 100644 --- a/package.json +++ b/package.json @@ -7,7 +7,7 @@ "analyze": "ANALYZE=true next build", "dev": "next-remote-watch ./src/content", "prebuild:rsc": "node scripts/buildRscWorker.mjs", - "build": "node scripts/buildRscWorker.mjs && next build && node --experimental-modules ./scripts/downloadFonts.mjs", + "build": "node scripts/buildRscWorker.mjs && next build && node --experimental-modules ./scripts/downloadFonts.mjs && node ./scripts/generateOgImages.mjs", "lint": "next lint && eslint \"src/content/**/*.md\"", "lint:fix": "next lint --fix && eslint \"src/content/**/*.md\" --fix", "format:source": "prettier --config .prettierrc --write \"{plugins,src}/**/*.{js,ts,jsx,tsx,css}\"", @@ -51,6 +51,7 @@ "@babel/plugin-transform-modules-commonjs": "^7.18.6", "@babel/preset-react": "^7.18.6", "@mdx-js/mdx": "^2.1.3", + "@resvg/resvg-js": "^2.6.2", "@types/body-scroll-lock": "^2.6.1", "@types/classnames": "^2.2.10", "@types/debounce": "^1.2.1", @@ -102,6 +103,7 @@ "retext": "^7.0.1", "retext-smartypants": "^4.0.0", "rss": "^1.2.2", + "satori": "^0.26.0", "tailwindcss": "^3.4.1", "typescript": "^5.7.2", "unist-util-visit": "^2.0.3", diff --git a/public/fonts/Optimistic_Display_W_Bd.ttf b/public/fonts/Optimistic_Display_W_Bd.ttf new file mode 100644 index 000000000..9d0cff450 Binary files /dev/null and b/public/fonts/Optimistic_Display_W_Bd.ttf differ diff --git a/public/fonts/Optimistic_Display_W_Md.ttf b/public/fonts/Optimistic_Display_W_Md.ttf new file mode 100644 index 000000000..3fbdb483d Binary files /dev/null and b/public/fonts/Optimistic_Display_W_Md.ttf differ diff --git a/public/images/team/gh-aurorascharff.jpg b/public/images/team/gh-aurorascharff.jpg new file mode 100644 index 000000000..10476e5e8 Binary files /dev/null and b/public/images/team/gh-aurorascharff.jpg differ diff --git a/public/images/team/gh-brentvatne.jpg b/public/images/team/gh-brentvatne.jpg new file mode 100644 index 000000000..c66a5cd6d Binary files /dev/null and b/public/images/team/gh-brentvatne.jpg differ diff --git a/public/images/team/gh-captbaritone.jpg b/public/images/team/gh-captbaritone.jpg new file mode 100644 index 000000000..0100fa16b Binary files /dev/null and b/public/images/team/gh-captbaritone.jpg differ diff --git a/public/images/team/gh-cipolleschi.png b/public/images/team/gh-cipolleschi.png new file mode 100644 index 000000000..a90bec66e Binary files /dev/null and b/public/images/team/gh-cipolleschi.png differ diff --git a/public/images/team/gh-cortinico.jpg b/public/images/team/gh-cortinico.jpg new file mode 100644 index 000000000..e806a103b Binary files /dev/null and b/public/images/team/gh-cortinico.jpg differ diff --git a/public/images/team/gh-fbmal7.jpg b/public/images/team/gh-fbmal7.jpg new file mode 100644 index 000000000..0f79e181d Binary files /dev/null and b/public/images/team/gh-fbmal7.jpg differ diff --git a/public/images/team/gh-fkgozali.jpg b/public/images/team/gh-fkgozali.jpg new file mode 100644 index 000000000..9f87e7efb Binary files /dev/null and b/public/images/team/gh-fkgozali.jpg differ diff --git a/public/images/team/gh-huntie.jpg b/public/images/team/gh-huntie.jpg new file mode 100644 index 000000000..a4de75801 Binary files /dev/null and b/public/images/team/gh-huntie.jpg differ diff --git a/public/images/team/gh-javache.jpg b/public/images/team/gh-javache.jpg new file mode 100644 index 000000000..1f63907ea Binary files /dev/null and b/public/images/team/gh-javache.jpg differ diff --git a/public/images/team/gh-khalef1.jpg b/public/images/team/gh-khalef1.jpg new file mode 100644 index 000000000..94d96f670 Binary files /dev/null and b/public/images/team/gh-khalef1.jpg differ diff --git a/public/images/team/gh-kmagiera.jpg b/public/images/team/gh-kmagiera.jpg new file mode 100644 index 000000000..0e03ecb77 Binary files /dev/null and b/public/images/team/gh-kmagiera.jpg differ diff --git a/public/images/team/gh-motiz88.jpg b/public/images/team/gh-motiz88.jpg new file mode 100644 index 000000000..a67e30b1b Binary files /dev/null and b/public/images/team/gh-motiz88.jpg differ diff --git a/public/images/team/gh-rh389.jpg b/public/images/team/gh-rh389.jpg new file mode 100644 index 000000000..4d5a5e830 Binary files /dev/null and b/public/images/team/gh-rh389.jpg differ diff --git a/public/images/team/gh-rubennorte.jpg b/public/images/team/gh-rubennorte.jpg new file mode 100644 index 000000000..459c267e4 Binary files /dev/null and b/public/images/team/gh-rubennorte.jpg differ diff --git a/public/images/team/gh-samselikoff.jpg b/public/images/team/gh-samselikoff.jpg new file mode 100644 index 000000000..7887765b4 Binary files /dev/null and b/public/images/team/gh-samselikoff.jpg differ diff --git a/public/images/team/gh-simek.png b/public/images/team/gh-simek.png new file mode 100644 index 000000000..23a950103 Binary files /dev/null and b/public/images/team/gh-simek.png differ diff --git a/public/images/team/gh-stmoy.jpg b/public/images/team/gh-stmoy.jpg new file mode 100644 index 000000000..7694a7fb6 Binary files /dev/null and b/public/images/team/gh-stmoy.jpg differ diff --git a/public/images/team/gh-thymikee.jpg b/public/images/team/gh-thymikee.jpg new file mode 100644 index 000000000..d0debc5be Binary files /dev/null and b/public/images/team/gh-thymikee.jpg differ diff --git a/public/images/team/gh-vzaidman.jpg b/public/images/team/gh-vzaidman.jpg new file mode 100644 index 000000000..c76905615 Binary files /dev/null and b/public/images/team/gh-vzaidman.jpg differ diff --git a/public/images/team/jimmy-lai.jpg b/public/images/team/jimmy-lai.jpg new file mode 100644 index 000000000..57b50c800 Binary files /dev/null and b/public/images/team/jimmy-lai.jpg differ diff --git a/public/images/tutorial/codesandbox-devtools.png b/public/images/tutorial/codesandbox-devtools.png deleted file mode 100644 index 1f7ebd500..000000000 Binary files a/public/images/tutorial/codesandbox-devtools.png and /dev/null differ diff --git a/public/images/tutorial/components-tab.png b/public/images/tutorial/components-tab.png new file mode 100644 index 000000000..90ce0770e Binary files /dev/null and b/public/images/tutorial/components-tab.png differ diff --git a/public/images/tutorial/devtools-inspect.gif b/public/images/tutorial/devtools-inspect.gif new file mode 100644 index 000000000..5c623e6a7 Binary files /dev/null and b/public/images/tutorial/devtools-inspect.gif differ diff --git a/public/images/tutorial/devtools-select.gif b/public/images/tutorial/devtools-select.gif deleted file mode 100644 index dd1e1aa61..000000000 Binary files a/public/images/tutorial/devtools-select.gif and /dev/null differ diff --git a/public/images/tutorial/sandbox-new-tab.png b/public/images/tutorial/sandbox-new-tab.png new file mode 100644 index 000000000..093a363fb Binary files /dev/null and b/public/images/tutorial/sandbox-new-tab.png differ diff --git a/scripts/deadLinkChecker.js b/scripts/deadLinkChecker.js index 46a21cdc9..287dde36a 100644 --- a/scripts/deadLinkChecker.js +++ b/scripts/deadLinkChecker.js @@ -311,7 +311,7 @@ async function buildContributorMap() { async function fetchErrorCodes() { try { const response = await fetch( - 'https://raw.githubusercontent.com/facebook/react/main/scripts/error-codes/codes.json' + 'https://raw.githubusercontent.com/react/react/main/scripts/error-codes/codes.json' ); if (!response.ok) { throw new Error(`Failed to fetch error codes: ${response.status}`); diff --git a/scripts/generateOgImages.mjs b/scripts/generateOgImages.mjs new file mode 100644 index 000000000..937727a1c --- /dev/null +++ b/scripts/generateOgImages.mjs @@ -0,0 +1,219 @@ +/** + * Copyright (c) Meta Platforms, Inc. and affiliates. + * + * This source code is licensed under the MIT license found in the + * LICENSE file in the root directory of this source tree. + */ + +// Generates a static OG image for every content page, so social +// cards show the page title without any runtime image generation. +// Run after `next build` (see the `build` script in package.json). + +import fs from 'fs'; +import path from 'path'; +import satori from 'satori'; +import {Resvg} from '@resvg/resvg-js'; +import matter from 'gray-matter'; + +const ROOT = process.cwd(); +const CONTENT_DIR = path.join(ROOT, 'src', 'content'); +const OUT_DIR = path.join(ROOT, 'public', 'images', 'og'); +const CONCURRENCY = 8; + +const SECTION_LABELS = { + learn: 'Learn React', + reference: 'API Reference', + community: 'Community', + blog: 'Blog', +}; + +const bold = fs.readFileSync( + path.join(ROOT, 'public', 'fonts', 'Optimistic_Display_W_Bd.ttf') +); +const medium = fs.readFileSync( + path.join(ROOT, 'public', 'fonts', 'Optimistic_Display_W_Md.ttf') +); + +function el(type, style, children) { + return {type, props: {style, children}}; +} + +function card(title, pagePath) { + const section = pagePath.split('/')[1] ?? ''; + const label = SECTION_LABELS[section] ?? 'React'; + const logo = { + type: 'svg', + props: { + width: 80, + height: 72, + viewBox: '-10.5 -9.45 21 18.9', + fill: 'none', + children: [ + {type: 'circle', props: {cx: 0, cy: 0, r: 2, fill: '#58c4dc'}}, + { + type: 'g', + props: { + stroke: '#58c4dc', + strokeWidth: 1, + fill: 'none', + children: [ + {type: 'ellipse', props: {rx: 10, ry: 4.5}}, + { + type: 'ellipse', + props: {rx: 10, ry: 4.5, transform: 'rotate(60)'}, + }, + { + type: 'ellipse', + props: {rx: 10, ry: 4.5, transform: 'rotate(120)'}, + }, + ], + }, + }, + ], + }, + }; + return el( + 'div', + { + width: '100%', + height: '100%', + display: 'flex', + flexDirection: 'column', + padding: '72px 80px', + backgroundColor: '#23272f', + backgroundImage: + 'radial-gradient(circle at 25% 30%, #343a46 0%, #23272f 55%)', + }, + [ + el('div', {display: 'flex', alignItems: 'center', gap: '20px'}, [ + logo, + el( + 'div', + { + fontSize: 48, + fontFamily: 'Optimistic Display Bold', + color: '#f6f7f9', + }, + 'React' + ), + ]), + el( + 'div', + { + flexGrow: 1, + display: 'flex', + alignItems: 'center', + fontSize: title.length > 24 ? 72 : 96, + fontFamily: 'Optimistic Display Bold', + color: '#f6f7f9', + lineHeight: 1.1, + wordBreak: 'break-word', + }, + title + ), + el( + 'div', + { + fontSize: 40, + fontFamily: 'Optimistic Display Medium', + color: '#99a1b3', + }, + label + ), + ] + ); +} + +async function renderCard(title, pagePath) { + const svg = await satori(card(title, pagePath), { + width: 1200, + height: 630, + fonts: [ + { + name: 'Optimistic Display Bold', + data: bold, + weight: 700, + style: 'normal', + }, + { + name: 'Optimistic Display Medium', + data: medium, + weight: 500, + style: 'normal', + }, + ], + }); + return new Resvg(svg, {fitTo: {mode: 'width', value: 1200}}).render().asPng(); +} + +function collectSidebarTitles() { + const titles = new Map(); + for (const name of fs.readdirSync(path.join(ROOT, 'src'))) { + if (!/^sidebar.*\.json$/.test(name)) continue; + const walk = (node) => { + if (node.path && node.title) { + titles.set(node.path, node.title); + } + for (const child of node.routes ?? []) walk(child); + }; + walk(JSON.parse(fs.readFileSync(path.join(ROOT, 'src', name), 'utf8'))); + } + return titles; +} + +const sidebarTitles = collectSidebarTitles(); + +function collectPages(dir, out) { + for (const entry of fs.readdirSync(dir, {withFileTypes: true})) { + const full = path.join(dir, entry.name); + if (entry.isDirectory()) { + collectPages(full, out); + } else if (entry.name.endsWith('.md')) { + const rel = path.relative(CONTENT_DIR, full).replace(/\.md$/, ''); + const segments = rel.split(path.sep); + if (segments[segments.length - 1] === 'index') { + segments.pop(); + } + const pagePath = '/' + segments.join('/'); + if (pagePath === '/' || pagePath.startsWith('/errors')) { + continue; + } + const {data} = matter(fs.readFileSync(full, 'utf8')); + const title = data.title ?? sidebarTitles.get(pagePath); + if (title) { + out.push({title: String(title), pagePath}); + } + } + } + return out; +} + +export function ogImageFileName(pagePath) { + return pagePath.replace(/^\//, '').replace(/\//g, '-') + '.png'; +} + +async function main() { + const pages = collectPages(CONTENT_DIR, []); + fs.mkdirSync(OUT_DIR, {recursive: true}); + let done = 0; + const queue = [...pages]; + async function worker() { + for (;;) { + const page = queue.shift(); + if (!page) return; + const png = await renderCard(page.title, page.pagePath); + fs.writeFileSync(path.join(OUT_DIR, ogImageFileName(page.pagePath)), png); + done++; + if (done % 100 === 0) { + console.log(`og-images: ${done}/${pages.length}`); + } + } + } + await Promise.all(Array.from({length: CONCURRENCY}, worker)); + console.log(`og-images: generated ${done} images in public/images/og`); +} + +main().catch((error) => { + console.error(error); + process.exit(1); +}); diff --git a/src/components/ButtonLink.tsx b/src/components/ButtonLink.tsx index bd98d5b38..dff09ed3a 100644 --- a/src/components/ButtonLink.tsx +++ b/src/components/ButtonLink.tsx @@ -33,7 +33,7 @@ function ButtonLink({ className, 'active:scale-[.98] transition-transform inline-flex font-bold items-center outline-none focus:outline-none focus-visible:outline focus-visible:outline-link focus:outline-offset-2 focus-visible:dark:focus:outline-link-dark leading-snug', { - 'bg-link text-white dark:bg-brand-dark dark:text-secondary hover:bg-opacity-80': + 'bg-link text-white dark:bg-brand-dark dark:text-gray-90 hover:bg-opacity-80': type === 'primary', 'text-primary dark:text-primary-dark shadow-secondary-button-stroke dark:shadow-secondary-button-stroke-dark hover:bg-gray-40/5 active:bg-gray-40/10 hover:dark:bg-gray-60/5 active:dark:bg-gray-60/10': type === 'secondary', diff --git a/src/components/Layout/Footer.tsx b/src/components/Layout/Footer.tsx index d11e1469d..50aed2118 100644 --- a/src/components/Layout/Footer.tsx +++ b/src/components/Layout/Footer.tsx @@ -344,7 +344,7 @@ export function Footer() { <FooterLink href="/community" isHeader={true}> Community </FooterLink> - <FooterLink href="https://github.com/facebook/react/blob/main/CODE_OF_CONDUCT.md"> + <FooterLink href="https://github.com/react/react/blob/main/CODE_OF_CONDUCT.md"> Code of Conduct </FooterLink> <FooterLink href="/community/team">Meet the Team</FooterLink> @@ -386,7 +386,7 @@ export function Footer() { </ExternalLink> <ExternalLink aria-label="React on Github" - href="https://github.com/facebook/react" + href="https://github.com/react/react" className={socialLinkClasses}> <IconGitHub /> </ExternalLink> diff --git a/src/components/Layout/Page.tsx b/src/components/Layout/Page.tsx index aa39fe5fc..59cf4386d 100644 --- a/src/components/Layout/Page.tsx +++ b/src/components/Layout/Page.tsx @@ -129,7 +129,18 @@ export function Page({ title={title} titleForTitleTag={meta.titleForTitleTag} isHomePage={isHomePage} - image={`/images/og-` + section + '.png'} + image={ + // OG images are generated per page at build time by + // scripts/generateOgImages.mjs. Pages without a generated + // card (home, errors, 404, 500) use the static section image. + isHomePage || + !title || + cleanedPath.startsWith('/errors') || + cleanedPath === '/404' || + cleanedPath === '/500' + ? `/images/og-${section ?? 'unknown'}.png` + : `/images/og/${cleanedPath.slice(1).replace(/\//g, '-')}.png` + } searchOrder={searchOrder} /> {(isHomePage || isBlogIndex) && ( diff --git a/src/components/Layout/Toc.tsx b/src/components/Layout/Toc.tsx index e2e2169fd..5f9bd6a5e 100644 --- a/src/components/Layout/Toc.tsx +++ b/src/components/Layout/Toc.tsx @@ -11,6 +11,7 @@ import cx from 'classnames'; import {useTocHighlight} from './useTocHighlight'; +import {IsInTocContext} from '../MDX/TocContext'; import type {Toc} from '../MDX/TocContext'; export function Toc({headings}: {headings: Toc}) { @@ -32,37 +33,39 @@ export function Toc({headings}: {headings: Toc}) { overscrollBehavior: 'contain', }}> <ul className="space-y-2 pb-16"> - {headings.length > 0 && - headings.map((h, i) => { - if (!h.url && process.env.NODE_ENV === 'development') { - console.error('Heading does not have URL'); - } - return ( - <li - key={`heading-${h.url}-${i}`} - className={cx( - 'text-sm px-2 rounded-s-xl', - selectedIndex === i - ? 'bg-highlight dark:bg-highlight-dark' - : null, - { - 'ps-4': h?.depth === 3, - hidden: h.depth && h.depth > 3, - } - )}> - <a + <IsInTocContext.Provider value={true}> + {headings.length > 0 && + headings.map((h, i) => { + if (!h.url && process.env.NODE_ENV === 'development') { + console.error('Heading does not have URL'); + } + return ( + <li + key={`heading-${h.url}-${i}`} className={cx( + 'text-sm px-2 rounded-s-xl', selectedIndex === i - ? 'text-link dark:text-link-dark font-bold' - : 'text-secondary dark:text-secondary-dark', - 'block hover:text-link dark:hover:text-link-dark leading-normal py-2' - )} - href={h.url}> - {h.text} - </a> - </li> - ); - })} + ? 'bg-highlight dark:bg-highlight-dark' + : null, + { + 'ps-4': h?.depth === 3, + hidden: h.depth && h.depth > 3, + } + )}> + <a + className={cx( + selectedIndex === i + ? 'text-link dark:text-link-dark font-bold' + : 'text-secondary dark:text-secondary-dark', + 'block hover:text-link dark:hover:text-link-dark leading-normal py-2' + )} + href={h.url}> + {h.text} + </a> + </li> + ); + })} + </IsInTocContext.Provider> </ul> </div> </nav> diff --git a/src/components/Layout/TopNav/TopNav.tsx b/src/components/Layout/TopNav/TopNav.tsx index efc90ed2c..37c2768a6 100644 --- a/src/components/Layout/TopNav/TopNav.tsx +++ b/src/components/Layout/TopNav/TopNav.tsx @@ -386,7 +386,7 @@ export default function TopNav({ </div> <div className="flex"> <Link - href="https://github.com/facebook/react/releases" + href="https://github.com/react/react/releases" target="_blank" rel="noreferrer noopener" aria-label="Open on GitHub" diff --git a/src/components/MDX/MDXComponents.tsx b/src/components/MDX/MDXComponents.tsx index e825b9e71..ff09ffc2d 100644 --- a/src/components/MDX/MDXComponents.tsx +++ b/src/components/MDX/MDXComponents.tsx @@ -36,7 +36,7 @@ import YouWillLearnCard from './YouWillLearnCard'; import {Challenges, Hint, Solution} from './Challenges'; import {IconNavArrow} from '../Icon/IconNavArrow'; import ButtonLink from 'components/ButtonLink'; -import {TocContext} from './TocContext'; +import {TocContext, IsInTocContext} from './TocContext'; import type {Toc, TocItem} from './TocContext'; import {TeamMember} from './TeamMember'; import {LanguagesContext} from './LanguagesContext'; @@ -122,33 +122,57 @@ const RSC = ({children}: {children: React.ReactNode}) => ( <ExpandableCallout type="rsc">{children}</ExpandableCallout> ); -const CanaryBadge = ({title}: {title: string}) => ( - <span - title={title} - className={ - 'text-base font-display px-1 py-0.5 font-bold bg-gray-10 dark:bg-gray-60 text-gray-60 dark:text-gray-10 rounded' - }> - <IconCanary - size="s" - className={'inline me-1 mb-0.5 text-sm text-gray-60 dark:text-gray-10'} - /> - Canary only - </span> -); +const CanaryBadge = ({title}: {title: string}) => { + const isInToc = useContext(IsInTocContext); + if (isInToc) { + return ( + <IconCanary + size="s" + title={title} + className="inline me-1 mb-0.5 text-gray-60 dark:text-gray-10" + /> + ); + } + return ( + <span + title={title} + className={ + 'text-base font-display px-1 py-0.5 font-bold bg-gray-10 dark:bg-gray-60 text-gray-60 dark:text-gray-10 rounded' + }> + <IconCanary + size="s" + className={'inline me-1 mb-0.5 text-sm text-gray-60 dark:text-gray-10'} + /> + Canary only + </span> + ); +}; -const ExperimentalBadge = ({title}: {title: string}) => ( - <span - title={title} - className={ - 'text-base font-display px-1 py-0.5 font-bold bg-gray-10 dark:bg-gray-60 text-gray-60 dark:text-gray-10 rounded' - }> - <IconExperimental - size="s" - className={'inline me-1 mb-0.5 text-sm text-gray-60 dark:text-gray-10'} - /> - Experimental only - </span> -); +const ExperimentalBadge = ({title}: {title: string}) => { + const isInToc = useContext(IsInTocContext); + if (isInToc) { + return ( + <IconExperimental + size="s" + title={title} + className="inline me-1 mb-0.5 text-gray-60 dark:text-gray-10" + /> + ); + } + return ( + <span + title={title} + className={ + 'text-base font-display px-1 py-0.5 font-bold bg-gray-10 dark:bg-gray-60 text-gray-60 dark:text-gray-10 rounded' + }> + <IconExperimental + size="s" + className={'inline me-1 mb-0.5 text-sm text-gray-60 dark:text-gray-10'} + /> + Experimental only + </span> + ); +}; const NextMajorBadge = ({title}: {title: string}) => ( <span @@ -424,7 +448,11 @@ function InlineToc() { if (root.children.length < 2) { return null; } - return <InlineTocItem items={root.children} />; + return ( + <IsInTocContext.Provider value={true}> + <InlineTocItem items={root.children} /> + </IsInTocContext.Provider> + ); } function InlineTocItem({items}: {items: Array<NestedTocNode>}) { diff --git a/src/components/MDX/Sandpack/DownloadButton.tsx b/src/components/MDX/Sandpack/DownloadButton.tsx index b51627d89..cb5d4e842 100644 --- a/src/components/MDX/Sandpack/DownloadButton.tsx +++ b/src/components/MDX/Sandpack/DownloadButton.tsx @@ -19,7 +19,7 @@ let supportsImportMap = false; function subscribe(cb: () => void) { // This shouldn't actually need to update, but this works around - // https://github.com/facebook/react/issues/26095 + // https://github.com/react/react/issues/26095 let timeout = setTimeout(() => { supportsImportMap = (HTMLScriptElement as any).supports && diff --git a/src/components/MDX/TeamMember.tsx b/src/components/MDX/TeamMember.tsx index 2d0c65537..2716fa2d1 100644 --- a/src/components/MDX/TeamMember.tsx +++ b/src/components/MDX/TeamMember.tsx @@ -23,13 +23,49 @@ interface TeamMemberProps { name: string; title: string; permalink: string; - children: React.ReactNode; + children?: React.ReactNode; photo: string; twitter?: string; threads?: string; bsky?: string; github?: string; personal?: string; + // Comma-separated list of working groups. Suffix a group with `*` to mark + // that the member represents it on the Leadership Council, e.g. "Fiber*, DOM". + group?: string; +} + +function GroupBadges({group}: {group: string}) { + const groups = group + .split(',') + .map((g) => g.trim()) + .filter(Boolean); + if (groups.length === 0) { + return null; + } + return ( + <div className="flex flex-row flex-wrap gap-2 my-3"> + {groups.map((g) => { + const isLead = g.endsWith('*'); + const label = isLead ? g.slice(0, -1).trim() : g; + return ( + <span + key={g} + className="inline-flex items-center rounded-full bg-blue-10 dark:bg-gray-80 text-link dark:text-link-dark px-3 py-1 text-sm font-medium whitespace-nowrap"> + {label} + {isLead && ( + <span + className="ps-1 text-yellow-50" + aria-label="Leadership Council" + title="Leadership Council"> + ★ + </span> + )} + </span> + ); + })} + </div> + ); } // TODO: good alt text for images/links @@ -44,12 +80,11 @@ export function TeamMember({ threads, bsky, personal, + group, }: TeamMemberProps) { - if (name == null || title == null || permalink == null || children == null) { + if (name == null || title == null || permalink == null) { const identifier = name ?? title ?? permalink ?? 'unknown'; - throw new Error( - `Expected name, title, permalink, and children for ${identifier}` - ); + throw new Error(`Expected name, title, and permalink for ${identifier}`); } return ( <div className="pb-6 sm:pb-10"> @@ -69,6 +104,7 @@ export function TeamMember({ {name} </H3> {title && <div>{title}</div>} + {group && <GroupBadges group={group} />} {children} <div className="sm:flex sm:flex-row flex-wrap text-secondary dark:text-secondary-dark"> {twitter && ( diff --git a/src/components/MDX/TocContext.tsx b/src/components/MDX/TocContext.tsx index 924e6e09e..804895369 100644 --- a/src/components/MDX/TocContext.tsx +++ b/src/components/MDX/TocContext.tsx @@ -20,3 +20,6 @@ export type TocItem = { export type Toc = Array<TocItem>; export const TocContext = createContext<Toc>([]); + +// Lets badge components render compactly when inside the table of contents. +export const IsInTocContext = createContext(false); diff --git a/src/content/blog/2021/06/08/the-plan-for-react-18.md b/src/content/blog/2021/06/08/the-plan-for-react-18.md index 63e70ee17..b89eddd5f 100644 --- a/src/content/blog/2021/06/08/the-plan-for-react-18.md +++ b/src/content/blog/2021/06/08/the-plan-for-react-18.md @@ -51,7 +51,11 @@ React 18-க்கு upgrade செய்வது பற்றிய கூட Working Group-இல் ஆரம்பத்தில் பெரும் ஆர்வம் இருக்கும் என்று எதிர்பார்ப்பதால், invited members மட்டுமே threads உருவாக்கவோ comment செய்யவோ அனுமதிக்கப்படுவர். இருப்பினும், threads முழுவதும் public-க்கு தெரியும்; எனவே அனைவருக்கும் அதே தகவல் கிடைக்கும். Working group உறுப்பினர்களுக்கு productive environment உருவாக்குவதற்கும், பெரிய சமூகத்துடன் transparency வைத்திருப்பதற்கும் இடையிலான நல்ல சமநிலை இது என்று நாங்கள் நம்புகிறோம். +<<<<<<< HEAD எப்போதும் போல, bug reports, கேள்விகள், மற்றும் பொதுவான feedback-ஐ எங்கள் [issue tracker](https://github.com/facebook/react/issues)-இல் submit செய்யலாம். +======= +As always, you can submit bug reports, questions, and general feedback to our [issue tracker](https://github.com/react/react/issues). +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca ## இன்று React 18 Alpha-வை முயற்சி செய்வது எப்படி {/*how-to-try-react-18-alpha-today*/} diff --git a/src/content/blog/2022/03/08/react-18-upgrade-guide.md b/src/content/blog/2022/03/08/react-18-upgrade-guide.md index a3aa813c3..6edef3681 100644 --- a/src/content/blog/2022/03/08/react-18-upgrade-guide.md +++ b/src/content/blog/2022/03/08/react-18-upgrade-guide.md @@ -13,7 +13,11 @@ March 08, 2022 அன்று [Rick Hanlon](https://twitter.com/rickhanlonii) [Release post](/blog/2022/03/29/react-v18)-இல் பகிர்ந்தபடி, React 18 எங்கள் புதிய concurrent renderer மூலம் இயங்கும் features-ஐ, existing applications-க்கான gradual adoption strategy உடன் அறிமுகப்படுத்துகிறது. இந்த post-இல், React 18-க்கு upgrade செய்ய வேண்டிய steps வழியாக உங்களை வழிநடத்துகிறோம். +<<<<<<< HEAD React 18-க்கு upgrade செய்யும்போது சந்திக்கும் issues-ஐ [report செய்யவும்](https://github.com/facebook/react/issues/new/choose). +======= +Please [report any issues](https://github.com/react/react/issues/new/choose) you encounter while upgrading to React 18. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca </Intro> @@ -315,11 +319,19 @@ Internet Explorer support செய்ய வேண்டுமெனில், ### React {/*react*/} +<<<<<<< HEAD * **Components இப்போது `undefined` render செய்யலாம்:** Component ஒன்றிலிருந்து `undefined` return செய்தால் React இனி warn செய்யாது. இது allowed component return values-ஐ component tree நடுப்பகுதியில் அனுமதிக்கப்படும் values உடன் consistent ஆக்குகிறது. JSX-க்கு முன் `return` statement மறப்பது போன்ற mistakes-ஐ தடுக்க linter பயன்படுத்த பரிந்துரைக்கிறோம். * **Tests-இல், `act` warnings இப்போது opt-in:** End-to-end tests run செய்தால், `act` warnings தேவையில்லை. அவை பயனுள்ளதாக இருக்கும் unit tests-க்கு மட்டும் enable செய்ய [opt-in](https://github.com/reactwg/react-18/discussions/102) mechanism அறிமுகப்படுத்தியுள்ளோம். * **Unmounted components-இல் `setState` பற்றி warning இல்லை:** முன்பு, unmounted component-இல் `setState` call செய்தால் memory leaks பற்றி React warn செய்தது. இந்த warning subscriptions-க்காக சேர்க்கப்பட்டது; ஆனால் மக்கள் பெரும்பாலும் state setting fine ஆக இருக்கும் scenarios-இல் இதை சந்தித்தனர், மேலும் workarounds code-ஐ மோசமாக்கின. இந்த warning-ஐ [remove செய்துள்ளோம்](https://github.com/facebook/react/pull/22114). * **Console logs suppress செய்யப்படாது:** Strict Mode பயன்படுத்தும்போது, unexpected side effects கண்டறிய React ஒவ்வொரு component-யையும் இருமுறை render செய்கிறது. React 17-இல், logs படிக்க நேரடியாக இருக்க இரண்டு renders-இல் ஒன்றுக்கான console logs suppress செய்தோம். இது confusing என்கிற [community feedback](https://github.com/facebook/react/issues/21783)-க்கு பதிலாக suppression remove செய்துள்ளோம். அதற்கு பதிலாக, React DevTools install செய்யப்பட்டிருந்தால், இரண்டாவது render-ன் logs grey-ஆக காட்டப்படும்; அவற்றை முழுமையாக suppress செய்யும் option இருக்கும் (default ஆக off). * **மேம்பட்ட memory usage:** Unmount போது React இப்போது அதிக internal fields clean up செய்கிறது; இதனால் உங்கள் application code-இல் இருக்கக்கூடிய unfixed memory leaks-ன் impact குறையும். +======= +* **Components can now render `undefined`:** React no longer warns if you return `undefined` from a component. This makes the allowed component return values consistent with values that are allowed in the middle of a component tree. We suggest to use a linter to prevent mistakes like forgetting a `return` statement before JSX. +* **In tests, `act` warnings are now opt-in:** If you're running end-to-end tests, the `act` warnings are unnecessary. We've introduced an [opt-in](https://github.com/reactwg/react-18/discussions/102) mechanism so you can enable them only for unit tests where they are useful and beneficial. +* **No warning about `setState` on unmounted components:** Previously, React warned about memory leaks when you call `setState` on an unmounted component. This warning was added for subscriptions, but people primarily run into it in scenarios where setting state is fine, and workarounds make the code worse. We've [removed](https://github.com/react/react/pull/22114) this warning. +* **No suppression of console logs:** When you use Strict Mode, React renders each component twice to help you find unexpected side effects. In React 17, we've suppressed console logs for one of the two renders to make the logs easier to read. In response to [community feedback](https://github.com/react/react/issues/21783) about this being confusing, we've removed the suppression. Instead, if you have React DevTools installed, the second log's renders will be displayed in grey, and there will be an option (off by default) to suppress them completely. +* **Improved memory usage:** React now cleans up more internal fields on unmount, making the impact from unfixed memory leaks that may exist in your application code less severe. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca ### React DOM Server {/*react-dom-server*/} @@ -328,4 +340,8 @@ Internet Explorer support செய்ய வேண்டுமெனில், ## Changelog {/*changelog*/} +<<<<<<< HEAD [முழு changelog-ஐ இங்கே](https://github.com/facebook/react/blob/main/CHANGELOG.md) பார்க்கலாம். +======= +You can view the [full changelog here](https://github.com/react/react/blob/main/CHANGELOG.md). +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca diff --git a/src/content/blog/2022/03/29/react-v18.md b/src/content/blog/2022/03/29/react-v18.md index 33fe80142..757e736fb 100644 --- a/src/content/blog/2022/03/29/react-v18.md +++ b/src/content/blog/2022/03/29/react-v18.md @@ -270,6 +270,7 @@ Step-by-step instructions மற்றும் breaking மற்றும் n ### React {/*react*/} +<<<<<<< HEAD * Urgent updates-ஐ transitions-இலிருந்து பிரிக்க `useTransition` மற்றும் `useDeferredValue` சேர்க்கப்பட்டது. ([#10426](https://github.com/facebook/react/pull/10426), [#10715](https://github.com/facebook/react/pull/10715), [#15593](https://github.com/facebook/react/pull/15593), [#15272](https://github.com/facebook/react/pull/15272), [#15578](https://github.com/facebook/react/pull/15578), [#15769](https://github.com/facebook/react/pull/15769), [#17058](https://github.com/facebook/react/pull/17058), [#18796](https://github.com/facebook/react/pull/18796), [#19121](https://github.com/facebook/react/pull/19121), [#19703](https://github.com/facebook/react/pull/19703), [#19719](https://github.com/facebook/react/pull/19719), [#19724](https://github.com/facebook/react/pull/19724), [#20672](https://github.com/facebook/react/pull/20672), [#20976](https://github.com/facebook/react/pull/20976) by [@acdlite](https://github.com/acdlite), [@lunaruan](https://github.com/lunaruan), [@rickhanlonii](https://github.com/rickhanlonii), and [@sebmarkbage](https://github.com/sebmarkbage)) * Unique IDs generate செய்ய `useId` சேர்க்கப்பட்டது. ([#17322](https://github.com/facebook/react/pull/17322), [#18576](https://github.com/facebook/react/pull/18576), [#22644](https://github.com/facebook/react/pull/22644), [#22672](https://github.com/facebook/react/pull/22672), [#21260](https://github.com/facebook/react/pull/21260) by [@acdlite](https://github.com/acdlite), [@lunaruan](https://github.com/lunaruan), and [@sebmarkbage](https://github.com/sebmarkbage)) * External store libraries React உடன் integrate செய்ய உதவ `useSyncExternalStore` சேர்க்கப்பட்டது. ([#15022](https://github.com/facebook/react/pull/15022), [#18000](https://github.com/facebook/react/pull/18000), [#18771](https://github.com/facebook/react/pull/18771), [#22211](https://github.com/facebook/react/pull/22211), [#22292](https://github.com/facebook/react/pull/22292), [#22239](https://github.com/facebook/react/pull/22239), [#22347](https://github.com/facebook/react/pull/22347), [#23150](https://github.com/facebook/react/pull/23150) by [@acdlite](https://github.com/acdlite), [@bvaughn](https://github.com/bvaughn), and [@drarmstr](https://github.com/drarmstr)) @@ -334,11 +335,85 @@ Step-by-step instructions மற்றும் breaking மற்றும் n * Fast Refresh-இல் late-mounted roots track செய்யப்பட்டது. ([#22740](https://github.com/facebook/react/pull/22740) by [@anc95](https://github.com/anc95)) * `package.json`-க்கு `exports` field சேர்க்கப்பட்டது. ([#23087](https://github.com/facebook/react/pull/23087) by [@otakustay](https://github.com/otakustay)) +======= +* Add `useTransition` and `useDeferredValue` to separate urgent updates from transitions. ([#10426](https://github.com/react/react/pull/10426), [#10715](https://github.com/react/react/pull/10715), [#15593](https://github.com/react/react/pull/15593), [#15272](https://github.com/react/react/pull/15272), [#15578](https://github.com/react/react/pull/15578), [#15769](https://github.com/react/react/pull/15769), [#17058](https://github.com/react/react/pull/17058), [#18796](https://github.com/react/react/pull/18796), [#19121](https://github.com/react/react/pull/19121), [#19703](https://github.com/react/react/pull/19703), [#19719](https://github.com/react/react/pull/19719), [#19724](https://github.com/react/react/pull/19724), [#20672](https://github.com/react/react/pull/20672), [#20976](https://github.com/react/react/pull/20976) by [@acdlite](https://github.com/acdlite), [@lunaruan](https://github.com/lunaruan), [@rickhanlonii](https://github.com/rickhanlonii), and [@sebmarkbage](https://github.com/sebmarkbage)) +* Add `useId` for generating unique IDs. ([#17322](https://github.com/react/react/pull/17322), [#18576](https://github.com/react/react/pull/18576), [#22644](https://github.com/react/react/pull/22644), [#22672](https://github.com/react/react/pull/22672), [#21260](https://github.com/react/react/pull/21260) by [@acdlite](https://github.com/acdlite), [@lunaruan](https://github.com/lunaruan), and [@sebmarkbage](https://github.com/sebmarkbage)) +* Add `useSyncExternalStore` to help external store libraries integrate with React. ([#15022](https://github.com/react/react/pull/15022), [#18000](https://github.com/react/react/pull/18000), [#18771](https://github.com/react/react/pull/18771), [#22211](https://github.com/react/react/pull/22211), [#22292](https://github.com/react/react/pull/22292), [#22239](https://github.com/react/react/pull/22239), [#22347](https://github.com/react/react/pull/22347), [#23150](https://github.com/react/react/pull/23150) by [@acdlite](https://github.com/acdlite), [@bvaughn](https://github.com/bvaughn), and [@drarmstr](https://github.com/drarmstr)) +* Add `startTransition` as a version of `useTransition` without pending feedback. ([#19696](https://github.com/react/react/pull/19696) by [@rickhanlonii](https://github.com/rickhanlonii)) +* Add `useInsertionEffect` for CSS-in-JS libraries. ([#21913](https://github.com/react/react/pull/21913) by [@rickhanlonii](https://github.com/rickhanlonii)) +* Make Suspense remount layout effects when content reappears. ([#19322](https://github.com/react/react/pull/19322), [#19374](https://github.com/react/react/pull/19374), [#19523](https://github.com/react/react/pull/19523), [#20625](https://github.com/react/react/pull/20625), [#21079](https://github.com/react/react/pull/21079) by [@acdlite](https://github.com/acdlite), [@bvaughn](https://github.com/bvaughn), and [@lunaruan](https://github.com/lunaruan)) +* Make `<StrictMode>` re-run effects to check for restorable state. ([#19523](https://github.com/react/react/pull/19523) , [#21418](https://github.com/react/react/pull/21418) by [@bvaughn](https://github.com/bvaughn) and [@lunaruan](https://github.com/lunaruan)) +* Assume Symbols are always available. ([#23348](https://github.com/react/react/pull/23348) by [@sebmarkbage](https://github.com/sebmarkbage)) +* Remove `object-assign` polyfill. ([#23351](https://github.com/react/react/pull/23351) by [@sebmarkbage](https://github.com/sebmarkbage)) +* Remove unsupported `unstable_changedBits` API. ([#20953](https://github.com/react/react/pull/20953) by [@acdlite](https://github.com/acdlite)) +* Allow components to render undefined. ([#21869](https://github.com/react/react/pull/21869) by [@rickhanlonii](https://github.com/rickhanlonii)) +* Flush `useEffect` resulting from discrete events like clicks synchronously. ([#21150](https://github.com/react/react/pull/21150) by [@acdlite](https://github.com/acdlite)) +* Suspense `fallback={undefined}` now behaves the same as `null` and isn't ignored. ([#21854](https://github.com/react/react/pull/21854) by [@rickhanlonii](https://github.com/rickhanlonii)) +* Consider all `lazy()` resolving to the same component equivalent. ([#20357](https://github.com/react/react/pull/20357) by [@sebmarkbage](https://github.com/sebmarkbage)) +* Don't patch console during first render. ([#22308](https://github.com/react/react/pull/22308) by [@lunaruan](https://github.com/lunaruan)) +* Improve memory usage. ([#21039](https://github.com/react/react/pull/21039) by [@bgirard](https://github.com/bgirard)) +* Improve messages if string coercion throws (Temporal.*, Symbol, etc.) ([#22064](https://github.com/react/react/pull/22064) by [@justingrant](https://github.com/justingrant)) +* Use `setImmediate` when available over `MessageChannel`. ([#20834](https://github.com/react/react/pull/20834) by [@gaearon](https://github.com/gaearon)) +* Fix context failing to propagate inside suspended trees. ([#23095](https://github.com/react/react/pull/23095) by [@gaearon](https://github.com/gaearon)) +* Fix `useReducer` observing incorrect props by removing the eager bailout mechanism. ([#22445](https://github.com/react/react/pull/22445) by [@josephsavona](https://github.com/josephsavona)) +* Fix `setState` being ignored in Safari when appending iframes. ([#23111](https://github.com/react/react/pull/23111) by [@gaearon](https://github.com/gaearon)) +* Fix a crash when rendering `ZonedDateTime` in the tree. ([#20617](https://github.com/react/react/pull/20617) by [@dimaqq](https://github.com/dimaqq)) +* Fix a crash when document is set to `null` in tests. ([#22695](https://github.com/react/react/pull/22695) by [@SimenB](https://github.com/SimenB)) +* Fix `onLoad` not triggering when concurrent features are on. ([#23316](https://github.com/react/react/pull/23316) by [@gnoff](https://github.com/gnoff)) +* Fix a warning when a selector returns `NaN`. ([#23333](https://github.com/react/react/pull/23333) by [@hachibeeDI](https://github.com/hachibeeDI)) +* Fix a crash when document is set to `null` in tests. ([#22695](https://github.com/react/react/pull/22695) by [@SimenB](https://github.com/SimenB)) +* Fix the generated license header. ([#23004](https://github.com/react/react/pull/23004) by [@vitaliemiron](https://github.com/vitaliemiron)) +* Add `package.json` as one of the entry points. ([#22954](https://github.com/react/react/pull/22954) by [@Jack](https://github.com/Jack-Works)) +* Allow suspending outside a Suspense boundary. ([#23267](https://github.com/react/react/pull/23267) by [@acdlite](https://github.com/acdlite)) +* Log a recoverable error whenever hydration fails. ([#23319](https://github.com/react/react/pull/23319) by [@acdlite](https://github.com/acdlite)) + +### React DOM {/*react-dom*/} + +* Add `createRoot` and `hydrateRoot`. ([#10239](https://github.com/react/react/pull/10239), [#11225](https://github.com/react/react/pull/11225), [#12117](https://github.com/react/react/pull/12117), [#13732](https://github.com/react/react/pull/13732), [#15502](https://github.com/react/react/pull/15502), [#15532](https://github.com/react/react/pull/15532), [#17035](https://github.com/react/react/pull/17035), [#17165](https://github.com/react/react/pull/17165), [#20669](https://github.com/react/react/pull/20669), [#20748](https://github.com/react/react/pull/20748), [#20888](https://github.com/react/react/pull/20888), [#21072](https://github.com/react/react/pull/21072), [#21417](https://github.com/react/react/pull/21417), [#21652](https://github.com/react/react/pull/21652), [#21687](https://github.com/react/react/pull/21687), [#23207](https://github.com/react/react/pull/23207), [#23385](https://github.com/react/react/pull/23385) by [@acdlite](https://github.com/acdlite), [@bvaughn](https://github.com/bvaughn), [@gaearon](https://github.com/gaearon), [@lunaruan](https://github.com/lunaruan), [@rickhanlonii](https://github.com/rickhanlonii), [@trueadm](https://github.com/trueadm), and [@sebmarkbage](https://github.com/sebmarkbage)) +* Add selective hydration. ([#14717](https://github.com/react/react/pull/14717), [#14884](https://github.com/react/react/pull/14884), [#16725](https://github.com/react/react/pull/16725), [#16880](https://github.com/react/react/pull/16880), [#17004](https://github.com/react/react/pull/17004), [#22416](https://github.com/react/react/pull/22416), [#22629](https://github.com/react/react/pull/22629), [#22448](https://github.com/react/react/pull/22448), [#22856](https://github.com/react/react/pull/22856), [#23176](https://github.com/react/react/pull/23176) by [@acdlite](https://github.com/acdlite), [@gaearon](https://github.com/gaearon), [@salazarm](https://github.com/salazarm), and [@sebmarkbage](https://github.com/sebmarkbage)) +* Add `aria-description` to the list of known ARIA attributes. ([#22142](https://github.com/react/react/pull/22142) by [@mahyareb](https://github.com/mahyareb)) +* Add `onResize` event to video elements. ([#21973](https://github.com/react/react/pull/21973) by [@rileyjshaw](https://github.com/rileyjshaw)) +* Add `imageSizes` and `imageSrcSet` to known props. ([#22550](https://github.com/react/react/pull/22550) by [@eps1lon](https://github.com/eps1lon)) +* Allow non-string `<option>` children if `value` is provided. ([#21431](https://github.com/react/react/pull/21431) by [@sebmarkbage](https://github.com/sebmarkbage)) +* Fix `aspectRatio` style not being applied. ([#21100](https://github.com/react/react/pull/21100) by [@gaearon](https://github.com/gaearon)) +* Warn if `renderSubtreeIntoContainer` is called. ([#23355](https://github.com/react/react/pull/23355) by [@acdlite](https://github.com/acdlite)) + +### React DOM Server {/*react-dom-server-1*/} + +* Add the new streaming renderer. ([#14144](https://github.com/react/react/pull/14144), [#20970](https://github.com/react/react/pull/20970), [#21056](https://github.com/react/react/pull/21056), [#21255](https://github.com/react/react/pull/21255), [#21200](https://github.com/react/react/pull/21200), [#21257](https://github.com/react/react/pull/21257), [#21276](https://github.com/react/react/pull/21276), [#22443](https://github.com/react/react/pull/22443), [#22450](https://github.com/react/react/pull/22450), [#23247](https://github.com/react/react/pull/23247), [#24025](https://github.com/react/react/pull/24025), [#24030](https://github.com/react/react/pull/24030) by [@sebmarkbage](https://github.com/sebmarkbage)) +* Fix context providers in SSR when handling multiple requests. ([#23171](https://github.com/react/react/pull/23171) by [@frandiox](https://github.com/frandiox)) +* Revert to client render on text mismatch. ([#23354](https://github.com/react/react/pull/23354) by [@acdlite](https://github.com/acdlite)) +* Deprecate `renderToNodeStream`. ([#23359](https://github.com/react/react/pull/23359) by [@sebmarkbage](https://github.com/sebmarkbage)) +* Fix a spurious error log in the new server renderer. ([#24043](https://github.com/react/react/pull/24043) by [@eps1lon](https://github.com/eps1lon)) +* Fix a bug in the new server renderer. ([#22617](https://github.com/react/react/pull/22617) by [@shuding](https://github.com/shuding)) +* Ignore function and symbol values inside custom elements on the server. ([#21157](https://github.com/react/react/pull/21157) by [@sebmarkbage](https://github.com/sebmarkbage)) + +### React DOM Test Utils {/*react-dom-test-utils*/} + +* Throw when `act` is used in production. ([#21686](https://github.com/react/react/pull/21686) by [@acdlite](https://github.com/acdlite)) +* Support disabling spurious act warnings with `global.IS_REACT_ACT_ENVIRONMENT`. ([#22561](https://github.com/react/react/pull/22561) by [@acdlite](https://github.com/acdlite)) +* Expand act warning to cover all APIs that might schedule React work. ([#22607](https://github.com/react/react/pull/22607) by [@acdlite](https://github.com/acdlite)) +* Make `act` batch updates. ([#21797](https://github.com/react/react/pull/21797) by [@acdlite](https://github.com/acdlite)) +* Remove warning for dangling passive effects. ([#22609](https://github.com/react/react/pull/22609) by [@acdlite](https://github.com/acdlite)) + +### React Refresh {/*react-refresh*/} + +* Track late-mounted roots in Fast Refresh. ([#22740](https://github.com/react/react/pull/22740) by [@anc95](https://github.com/anc95)) +* Add `exports` field to `package.json`. ([#23087](https://github.com/react/react/pull/23087) by [@otakustay](https://github.com/otakustay)) +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca ### Server Components (Experimental) மாற்றங்கள் {/*server-components-experimental*/} +<<<<<<< HEAD * Server Context support சேர்க்கப்பட்டது. ([#23244](https://github.com/facebook/react/pull/23244) by [@salazarm](https://github.com/salazarm)) * `lazy` support சேர்க்கப்பட்டது. ([#24068](https://github.com/facebook/react/pull/24068) by [@gnoff](https://github.com/gnoff)) * Webpack 5-க்காக webpack plugin update செய்யப்பட்டது ([#22739](https://github.com/facebook/react/pull/22739) by [@michenly](https://github.com/michenly)) * Node loader-இல் mistake fix செய்யப்பட்டது. ([#22537](https://github.com/facebook/react/pull/22537) by [@btea](https://github.com/btea)) * Edge environments-க்காக `window` பதிலாக `globalThis` பயன்படுத்தப்பட்டது. ([#22777](https://github.com/facebook/react/pull/22777) by [@huozhi](https://github.com/huozhi)) +======= +* Add Server Context support. ([#23244](https://github.com/react/react/pull/23244) by [@salazarm](https://github.com/salazarm)) +* Add `lazy` support. ([#24068](https://github.com/react/react/pull/24068) by [@gnoff](https://github.com/gnoff)) +* Update webpack plugin for webpack 5 ([#22739](https://github.com/react/react/pull/22739) by [@michenly](https://github.com/michenly)) +* Fix a mistake in the Node loader. ([#22537](https://github.com/react/react/pull/22537) by [@btea](https://github.com/btea)) +* Use `globalThis` instead of `window` for edge environments. ([#22777](https://github.com/react/react/pull/22777) by [@huozhi](https://github.com/huozhi)) +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca diff --git a/src/content/blog/2022/06/15/react-labs-what-we-have-been-working-on-june-2022.md b/src/content/blog/2022/06/15/react-labs-what-we-have-been-working-on-june-2022.md index 174b15fc9..df0224612 100644 --- a/src/content/blog/2022/06/15/react-labs-what-we-have-been-working-on-june-2022.md +++ b/src/content/blog/2022/06/15/react-labs-what-we-have-been-working-on-june-2022.md @@ -69,7 +69,11 @@ Offscreen என்பது high level features-ஐ திறக்கும் Context இல்லாமல் தனித்தனி slow commits அல்லது components பற்றித் தெரிந்துகொள்வது developers-க்கு பெரிதாக பயனில்லை என்பதை உணர்ந்தோம். Slow commits-க்கு உண்மையில் என்ன காரணம் என்பதை அறிதல்தான் அதிக பயனுள்ளதாகும். மேலும் developers, performance regressions-ஐ கவனிக்கவும், ஒரு interaction ஏன் slow ஆனது மற்றும் அதை எப்படி சரிசெய்வது என்பதைப் புரிந்துகொள்ளவும், குறிப்பிட்ட interactions-ஐ (எ.கா. button click, initial load, அல்லது page navigation) track செய்ய விரும்புகிறார்கள். +<<<<<<< HEAD முன்பு [Interaction Tracing API](https://gist.github.com/bvaughn/8de925562903afd2e7a12554adcdda16) உருவாக்கி இந்த பிரச்சினையை தீர்க்க முயன்றோம்; ஆனால் ஒரு interaction ஏன் slow ஆனது என்பதை track செய்வதின் துல்லியத்தை குறைக்கும் சில அடிப்படை design flaws அதில் இருந்தன, சில நேரங்களில் interactions முடிவில்லாமல் நீடிக்கும் நிலையும் ஏற்பட்டது. இந்த பிரச்சினைகளால் இறுதியில் [இந்த API-யை அகற்றினோம்](https://github.com/facebook/react/pull/20037). +======= +We previously tried to solve this issue by creating an [Interaction Tracing API](https://gist.github.com/bvaughn/8de925562903afd2e7a12554adcdda16), but it had some fundamental design flaws that reduced the accuracy of tracking why an interaction was slow and sometimes resulted in interactions never ending. We ended up [removing this API](https://github.com/react/react/pull/20037) because of these issues. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca இந்த பிரச்சினைகளை தீர்க்கும் Interaction Tracing API-ன் புதிய version-இல் பணியாற்றுகிறோம் (இது `startTransition` மூலம் தொடங்கப்படுவதால் தற்காலிகமாக Transition Tracing என்று அழைக்கப்படுகிறது). diff --git a/src/content/blog/2024/04/25/react-19-upgrade-guide.md b/src/content/blog/2024/04/25/react-19-upgrade-guide.md index d5b678310..6e5d76c48 100644 --- a/src/content/blog/2024/04/25/react-19-upgrade-guide.md +++ b/src/content/blog/2024/04/25/react-19-upgrade-guide.md @@ -24,7 +24,11 @@ React 19-க்கு upgrade செய்வதை மேம்படுத் React 19-க்கு upgrade செய்வதற்கு முன் ஏதேனும் issues உள்ளனவா கண்டறிய உதவ, முதலில் React 18.3-க்கு upgrade செய்ய பரிந்துரைக்கிறோம். +<<<<<<< HEAD 18.3-இல் உள்ள changes list-க்கு [Release Notes](https://github.com/facebook/react/blob/main/CHANGELOG.md#1830-april-25-2024)-ஐ பார்க்கவும். +======= +For a list of changes in 18.3 see the [Release Notes](https://github.com/react/react/blob/main/CHANGELOG.md#1830-april-25-2024). +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca </Note> @@ -38,7 +42,11 @@ React 19-க்கு upgrade செய்வதற்கு முன் ஏத - [TypeScript changes](#typescript-changes) - [Changelog](#changelog) +<<<<<<< HEAD React 19-ஐ test செய்ய உதவ விரும்பினால், இந்த upgrade guide-இல் உள்ள steps-ஐப் பின்பற்றி நீங்கள் சந்திக்கும் [issues-ஐ report](https://github.com/facebook/react/issues/new?assignees=&labels=React+19&projects=&template=19.md&title=%5BReact+19%5D) செய்யுங்கள். React 19-இல் சேர்க்கப்பட்ட புதிய features list-க்கு [React 19 release post](/blog/2024/12/05/react-19)-ஐ பார்க்கவும். +======= +If you'd like to help us test React 19, follow the steps in this upgrade guide and [report any issues](https://github.com/react/react/issues/new?assignees=&labels=React+19&projects=&template=19.md&title=%5BReact+19%5D) you encounter. For a list of new features added to React 19, see the [React 19 release post](/blog/2024/12/05/react-19). +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca --- ## நிறுவுதல் {/*installing*/} @@ -256,7 +264,11 @@ class Child extends React.Component { #### நீக்கப்பட்டது: string refs {/*removed-string-refs*/} String refs [மார்ச் 2018 (v16.3.0)](https://legacy.reactjs.org/blog/2018/03/27/update-on-async-rendering.html)-இல் deprecated செய்யப்பட்டது. +<<<<<<< HEAD [பல குறைகள்](https://github.com/facebook/react/issues/1373) காரணமாக ref callbacks-ஆல் replace செய்யப்படுவதற்கு முன் class components string refs-ஐ support செய்தன. React 19-இல், React-ஐ நேரடியாகவும் புரிந்துகொள்ள திறமையாகவும் ஆக்க string refs-ஐ நீக்குகிறோம். +======= +Class components supported string refs before being replaced by ref callbacks due to [multiple downsides](https://github.com/react/react/issues/1373). In React 19, we're removing string refs to make React simpler and easier to understand. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca Class components-இல் இன்னும் string refs பயன்படுத்தினால், ref callbacks-க்கு migrate செய்ய வேண்டும்: @@ -729,6 +741,7 @@ const reducer = (state: State, action: Action) => state; ### பிற breaking changes {/*other-breaking-changes*/} +<<<<<<< HEAD - **react-dom**: `src` மற்றும் `href`-இல் javascript URLs-க்கு error [#26507](https://github.com/facebook/react/pull/26507) - **react-dom**: `onRecoverableError`-இலிருந்து `errorInfo.digest` remove செய்யப்பட்டது [#28222](https://github.com/facebook/react/pull/28222) - **react-dom**: `unstable_flushControlled` remove செய்யப்பட்டது [#26397](https://github.com/facebook/react/pull/26397) @@ -736,9 +749,19 @@ const reducer = (state: State, action: Action) => state; - **react-dom**: `unstable_renderSubtreeIntoContainer` remove செய்யப்பட்டது [#28271](https://github.com/facebook/react/pull/28271) - **react-dom**: `unstable_runWithPriority` remove செய்யப்பட்டது [#28271](https://github.com/facebook/react/pull/28271) - **react-is**: `react-is`-இலிருந்து deprecated methods remove செய்யப்பட்டது [28224](https://github.com/facebook/react/pull/28224) +======= +- **react-dom**: Error for javascript URLs in `src` and `href` [#26507](https://github.com/react/react/pull/26507) +- **react-dom**: Remove `errorInfo.digest` from `onRecoverableError` [#28222](https://github.com/react/react/pull/28222) +- **react-dom**: Remove `unstable_flushControlled` [#26397](https://github.com/react/react/pull/26397) +- **react-dom**: Remove `unstable_createEventHandle` [#28271](https://github.com/react/react/pull/28271) +- **react-dom**: Remove `unstable_renderSubtreeIntoContainer` [#28271](https://github.com/react/react/pull/28271) +- **react-dom**: Remove `unstable_runWithPriority` [#28271](https://github.com/react/react/pull/28271) +- **react-is**: Remove deprecated methods from `react-is` [28224](https://github.com/react/react/pull/28224) +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca ### பிற notable changes {/*other-notable-changes*/} +<<<<<<< HEAD - **react**: Batch sync, default மற்றும் continuous lanes [#25700](https://github.com/facebook/react/pull/25700) - **react**: Suspended component-ன் siblings-ஐ prerender செய்ய வேண்டாம் [#26380](https://github.com/facebook/react/pull/26380) - **react**: Render phase updates காரணமான infinite update loops detect செய்யப்பட்டது [#26625](https://github.com/facebook/react/pull/26625) @@ -747,6 +770,16 @@ const reducer = (state: State, action: Action) => state; - **react-dom**: Warn செய்து src/href-க்கு empty string set செய்யாது (anchor tags தவிர) [#28124](https://github.com/facebook/react/pull/28124) Changes-ன் முழு list-க்கு [Changelog](https://github.com/facebook/react/blob/main/CHANGELOG.md#1900-december-5-2024)-ஐ பார்க்கவும். +======= +- **react**: Batch sync, default and continuous lanes [#25700](https://github.com/react/react/pull/25700) +- **react**: Don't prerender siblings of suspended component [#26380](https://github.com/react/react/pull/26380) +- **react**: Detect infinite update loops caused by render phase updates [#26625](https://github.com/react/react/pull/26625) +- **react-dom**: Transitions in popstate are now synchronous [#26025](https://github.com/react/react/pull/26025) +- **react-dom**: Remove layout effect warning during SSR [#26395](https://github.com/react/react/pull/26395) +- **react-dom**: Warn and don’t set empty string for src/href (except anchor tags) [#28124](https://github.com/react/react/pull/28124) + +For a full list of changes, please see the [Changelog](https://github.com/react/react/blob/main/CHANGELOG.md#1900-december-5-2024). +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca --- diff --git a/src/content/blog/2024/05/22/react-conf-2024-recap.md b/src/content/blog/2024/05/22/react-conf-2024-recap.md index 0c4950ea3..f6dac6d49 100644 --- a/src/content/blog/2024/05/22/react-conf-2024-recap.md +++ b/src/content/blog/2024/05/22/react-conf-2024-recap.md @@ -45,7 +45,11 @@ Keynote-இல் அடுத்ததாக, React 19-இல் வரும - [React for Two Computers](https://www.youtube.com/watch?v=T8TZQ6k4SLE&t=18825s) - [Dan Abramov](https://bsky.app/profile/danabra.mov) வழங்கியது - [And Now You Understand React Server Components](https://www.youtube.com/watch?v=0ckOUBiuxVY&t=11256s) - [Kent C. Dodds](https://twitter.com/kentcdodds) வழங்கியது +<<<<<<< HEAD இறுதியாக, React Compiler இப்போது [Open Source](https://github.com/facebook/react/pull/29061) என [Joe Savona](https://twitter.com/en_JS), [Sathya Gunasekaran](https://twitter.com/_gsathya), மற்றும் [Mofei Zhang](https://twitter.com/zmofei) அறிவித்து, முயற்சிக்க React Compiler-ன் experimental version-ஐ பகிர்ந்ததுடன் keynote-ஐ முடித்தோம். +======= +Finally, we ended the keynote with [Joe Savona](https://twitter.com/en_JS), [Sathya Gunasekaran](https://twitter.com/_gsathya), and [Mofei Zhang](https://twitter.com/zmofei) announcing that the React Compiler is now [Open Source](https://github.com/react/react/pull/29061), and sharing an experimental version of the React Compiler to try out. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca Compiler-ஐ பயன்படுத்துவது மற்றும் அது எப்படி வேலை செய்கிறது பற்றிய கூடுதல் தகவலுக்கு [docs](/learn/react-compiler) மற்றும் இந்த talks-ஐ பார்க்கவும்: diff --git a/src/content/blog/2024/10/21/react-compiler-beta-release.md b/src/content/blog/2024/10/21/react-compiler-beta-release.md index ad8e118f2..3b29d7cc8 100644 --- a/src/content/blog/2024/10/21/react-compiler-beta-release.md +++ b/src/content/blog/2024/10/21/react-compiler-beta-release.md @@ -92,7 +92,11 @@ React Compiler-ஐ libraries compile செய்யவும் பயன்ப Compiler-ன் experimental release மீது feedback வழங்க, கேள்விகள் கேட்க, மற்றும் collaborate செய்ய invite-only [React Compiler Working Group](https://github.com/reactwg/react-compiler)-ஐ முன்பு React Conf-இல் அறிவித்தோம். +<<<<<<< HEAD இன்றிலிருந்து, React Compiler Beta release உடன், Working Group membership-ஐ அனைவருக்கும் திறக்கிறோம். Existing applications மற்றும் libraries React Compiler-ஐ smooth மற்றும் gradual-ஆக adopt செய்ய ecosystem-ஐ தயார்படுத்துவதே React Compiler Working Group-ன் இலக்கு. Bug reports-ஐ தொடர்ந்து [React repo](https://github.com/facebook/react)-இல் file செய்யுங்கள்; ஆனால் feedback வழங்க, கேள்விகள் கேட்க, அல்லது ideas பகிர [Working Group discussion forum](https://github.com/reactwg/react-compiler/discussions)-ஐ பயன்படுத்துங்கள். +======= +From today, together with the Beta release of React Compiler, we are opening up Working Group membership to everyone. The goal of the React Compiler Working Group is to prepare the ecosystem for a smooth, gradual adoption of React Compiler by existing applications and libraries. Please continue to file bug reports in the [React repo](https://github.com/react/react), but please leave feedback, ask questions, or share ideas in the [Working Group discussion forum](https://github.com/reactwg/react-compiler/discussions). +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca எங்கள் research findings-ஐ பகிர core team இந்த discussions repo-வையும் பயன்படுத்தும். Stable Release நெருங்கும் போது, முக்கியமான தகவல்களும் இந்த forum-இல் post செய்யப்படும். @@ -127,7 +131,11 @@ Stable-க்கு பிறகு, மேலும் compiler optimizations --- +<<<<<<< HEAD [^1]: Compiler-க்கு contributions செய்த [@nikeee](https://github.com/facebook/react/pulls?q=is%3Apr+author%3Anikeee), [@henryqdineen](https://github.com/facebook/react/pulls?q=is%3Apr+author%3Ahenryqdineen), [@TrickyPi](https://github.com/facebook/react/pulls?q=is%3Apr+author%3ATrickyPi), மற்றும் பலருக்கு நன்றி. +======= +[^1]: Thanks [@nikeee](https://github.com/react/react/pulls?q=is%3Apr+author%3Anikeee), [@henryqdineen](https://github.com/react/react/pulls?q=is%3Apr+author%3Ahenryqdineen), [@TrickyPi](https://github.com/react/react/pulls?q=is%3Apr+author%3ATrickyPi), and several others for their contributions to the compiler. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca [^2]: Meta-வில் React Compiler பற்றிய இந்த study-ஐ வழிநடத்தி, இந்த post-ஐ review செய்த [Vaishali Garg](https://www.linkedin.com/in/vaishaligarg09)-க்கு நன்றி. diff --git a/src/content/blog/2024/12/05/react-19.md b/src/content/blog/2024/12/05/react-19.md index 6edb0b1af..d21e33e3c 100644 --- a/src/content/blog/2024/12/05/react-19.md +++ b/src/content/blog/2024/12/05/react-19.md @@ -182,7 +182,11 @@ const [error, submitAction, isPending] = useActionState( `React.useActionState` Canary releases-இல் முன்பு `ReactDOM.useFormState` என்று அழைக்கப்பட்டது; அதை rename செய்து `useFormState`-ஐ deprecated செய்துள்ளோம். +<<<<<<< HEAD மேலும் தகவலுக்கு [#28491](https://github.com/facebook/react/pull/28491)-ஐ பார்க்கவும். +======= +See [#28491](https://github.com/react/react/pull/28491) for more info. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca </Note> diff --git a/src/content/blog/2025/04/23/react-labs-view-transitions-activity-and-more.md b/src/content/blog/2025/04/23/react-labs-view-transitions-activity-and-more.md index 32a8a4f7a..7a13cdd5e 100644 --- a/src/content/blog/2025/04/23/react-labs-view-transitions-activity-and-more.md +++ b/src/content/blog/2025/04/23/react-labs-view-transitions-activity-and-more.md @@ -11458,7 +11458,11 @@ root.render( அவை எப்படி வேலை செய்கின்றன என்பதை மேலும் அறிய விரும்பினால், docs-இல் உள்ள [`<ViewTransition>` எப்படி வேலை செய்கிறது](/reference/react/ViewTransition#how-does-viewtransition-work) பகுதியைப் பார்க்கவும். +<<<<<<< HEAD _View Transitions-ஐ எவ்வாறு உருவாக்கினோம் என்ற கூடுதல் பின்னணிக்கு, [@sebmarkbage](https://twitter.com/sebmarkbage) உருவாக்கிய [#31975](https://github.com/facebook/react/pull/31975), [#32105](https://github.com/facebook/react/pull/32105), [#32041](https://github.com/facebook/react/pull/32041), [#32734](https://github.com/facebook/react/pull/32734), [#32797](https://github.com/facebook/react/pull/32797), [#31999](https://github.com/facebook/react/pull/31999), [#32031](https://github.com/facebook/react/pull/32031), [#32050](https://github.com/facebook/react/pull/32050), [#32820](https://github.com/facebook/react/pull/32820), [#32029](https://github.com/facebook/react/pull/32029), [#32028](https://github.com/facebook/react/pull/32028), மற்றும் [#32038](https://github.com/facebook/react/pull/32038)-ஐ பார்க்கவும் (நன்றி Seb!)._ +======= +_For more background on how we built View Transitions, see: [#31975](https://github.com/react/react/pull/31975), [#32105](https://github.com/react/react/pull/32105), [#32041](https://github.com/react/react/pull/32041), [#32734](https://github.com/react/react/pull/32734), [#32797](https://github.com/react/react/pull/32797) [#31999](https://github.com/react/react/pull/31999), [#32031](https://github.com/react/react/pull/32031), [#32050](https://github.com/react/react/pull/32050), [#32820](https://github.com/react/react/pull/32820), [#32029](https://github.com/react/react/pull/32029), [#32028](https://github.com/react/react/pull/32028), and [#32038](https://github.com/react/react/pull/32038) by [@sebmarkbage](https://twitter.com/sebmarkbage) (thanks Seb!)._ +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca --- diff --git a/src/content/blog/2025/10/01/react-19-2.md b/src/content/blog/2025/10/01/react-19-2.md index a0cfa97c2..8cadfa769 100644 --- a/src/content/blog/2025/10/01/react-19-2.md +++ b/src/content/blog/2025/10/01/react-19-2.md @@ -300,7 +300,11 @@ Legacy config-ஐ தொடர்ந்து பயன்படுத்த, `r Compiler enabled rules-ன் முழு பட்டியலுக்கு, [linter docs](/reference/eslint-plugin-react-hooks#recommended)-ஐ பார்க்கவும். +<<<<<<< HEAD முழு changes பட்டியலுக்கு `eslint-plugin-react-hooks` [changelog](https://github.com/facebook/react/blob/main/packages/eslint-plugin-react-hooks/CHANGELOG.md#610)-ஐ பார்க்கவும். +======= +Check out the `eslint-plugin-react-hooks` [changelog for a full list of changes](https://github.com/react/react/blob/main/packages/eslint-plugin-react-hooks/CHANGELOG.md#610). +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca --- @@ -314,6 +318,7 @@ CSS selectors-க்கு valid அல்லாத special character பயன ## Changelog {/*changelog*/} +<<<<<<< HEAD பிற notable changes - `react-dom`: Hoistable styles-இல் nonce பயன்படுத்த அனுமதி [#32461](https://github.com/facebook/react/pull/32461) - `react-dom`: React owned node-ஐ Container ஆக பயன்படுத்தும் போது அதில் text content இருந்தால் warn செய்யுதல் [#32774](https://github.com/facebook/react/pull/32774) @@ -332,6 +337,26 @@ Notable bug fixes - `react-dom`: Rendering போது abort செய்த பிறகு suspending ஆகும்போது hanging தவிர்த்தல் [#34192](https://github.com/facebook/react/pull/34192) முழு changes பட்டியலுக்கு, [Changelog](https://github.com/facebook/react/blob/main/CHANGELOG.md)-ஐ பார்க்கவும். +======= +Other notable changes +- `react-dom`: Allow nonce to be used on hoistable styles [#32461](https://github.com/react/react/pull/32461) +- `react-dom`: Warn for using a React owned node as a Container if it also has text content [#32774](https://github.com/react/react/pull/32774) + +Notable bug fixes +- `react`: Stringify context as "SomeContext" instead of "SomeContext.Provider" [#33507](https://github.com/react/react/pull/33507) +- `react`: Fix infinite useDeferredValue loop in popstate event [#32821](https://github.com/react/react/pull/32821) +- `react`: Fix a bug when an initial value was passed to useDeferredValue [#34376](https://github.com/react/react/pull/34376) +- `react`: Fix a crash when submitting forms with Client Actions [#33055](https://github.com/react/react/pull/33055) +- `react`: Hide/unhide the content of dehydrated suspense boundaries if they resuspend [#32900](https://github.com/react/react/pull/32900) +- `react`: Avoid stack overflow on wide trees during Hot Reload [#34145](https://github.com/react/react/pull/34145) +- `react`: Improve component stacks in various places [#33629](https://github.com/react/react/pull/33629), [#33724](https://github.com/react/react/pull/33724), [#32735](https://github.com/react/react/pull/32735), [#33723](https://github.com/react/react/pull/33723) +- `react`: Fix a bug with React.use inside React.lazy-ed Component [#33941](https://github.com/react/react/pull/33941) +- `react-dom`: Stop warning when ARIA 1.3 attributes are used [#34264](https://github.com/react/react/pull/34264) +- `react-dom`: Fix a bug with deeply nested Suspense inside Suspense fallbacks [#33467](https://github.com/react/react/pull/33467) +- `react-dom`: Avoid hanging when suspending after aborting while rendering [#34192](https://github.com/react/react/pull/34192) + +For a full list of changes, please see the [Changelog](https://github.com/react/react/blob/main/CHANGELOG.md). +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca --- diff --git a/src/content/blog/2025/10/07/react-compiler-1.md b/src/content/blog/2025/10/07/react-compiler-1.md index 2d8148840..54eb77770 100644 --- a/src/content/blog/2025/10/07/react-compiler-1.md +++ b/src/content/blog/2025/10/07/react-compiler-1.md @@ -132,7 +132,11 @@ export default defineConfig([ } ``` +<<<<<<< HEAD React Compiler rules enable செய்ய, `recommended` preset பயன்படுத்த பரிந்துரைக்கிறோம். கூடுதல் instructions-க்கு [README](https://github.com/facebook/react/blob/main/packages/eslint-plugin-react-hooks/README.md)-யையும் பார்க்கலாம். React Conf-இல் நாங்கள் காட்டிய சில examples: +======= +To enable React Compiler rules, we recommend using the `recommended` preset. You can also check out the [README](https://github.com/react/react/blob/main/packages/eslint-plugin-react-hooks/README.md) for more instructions. Here are a few examples we featured at React Conf: +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca - [`set-state-in-render`](/reference/eslint-plugin-react-hooks/lints/set-state-in-render) மூலம் render loops ஏற்படுத்தும் `setState` patterns-ஐ பிடித்தல். - [`set-state-in-effect`](/reference/eslint-plugin-react-hooks/lints/set-state-in-effect) மூலம் effects உள்ளே expensive work-ஐ flag செய்தல். diff --git a/src/content/blog/2025/12/03/critical-security-vulnerability-in-react-server-components.md b/src/content/blog/2025/12/03/critical-security-vulnerability-in-react-server-components.md index 2ba1d8fe2..9e8175772 100644 --- a/src/content/blog/2025/12/03/critical-security-vulnerability-in-react-server-components.md +++ b/src/content/blog/2025/12/03/critical-security-vulnerability-in-react-server-components.md @@ -34,7 +34,11 @@ React Server Components-இல் unauthenticated remote code execution vulnerab ## உடனடி action தேவை {/*immediate-action-required*/} +<<<<<<< HEAD Fix, versions [19.0.1](https://github.com/facebook/react/releases/tag/v19.0.1), [19.1.2](https://github.com/facebook/react/releases/tag/v19.1.2), மற்றும் [19.2.1](https://github.com/facebook/react/releases/tag/v19.2.1)-இல் introduced செய்யப்பட்டது. மேலுள்ள packages-ல் ஏதேனும் ஒன்றைப் பயன்படுத்தினால், fixed versions-ல் ஏதேனும் ஒன்றுக்கு உடனடியாக upgrade செய்யவும். +======= +A fix was introduced in versions [19.0.1](https://github.com/react/react/releases/tag/v19.0.1), [19.1.2](https://github.com/react/react/releases/tag/v19.1.2), and [19.2.1](https://github.com/react/react/releases/tag/v19.2.1). If you are using any of the above packages please upgrade to any of the fixed versions immediately. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca உங்கள் app-ன் React code server பயன்படுத்தவில்லை என்றால், உங்கள் app இந்த vulnerability-ஆல் பாதிக்கப்படாது. React Server Components-ஐ support செய்யும் framework, bundler, அல்லது bundler plugin உங்கள் app பயன்படுத்தவில்லை என்றால், உங்கள் app இந்த vulnerability-ஆல் பாதிக்கப்படாது. @@ -193,7 +197,11 @@ React Native-ஐ monorepo-வில் பயன்படுத்தினா Security advisory-ஐ mitigate செய்ய இது தேவை; ஆனால் `react` மற்றும் `react-dom` update செய்ய வேண்டியதில்லை, எனவே இது React Native-இல் version mismatch error ஏற்படுத்தாது. +<<<<<<< HEAD மேலும் தகவலுக்கு [இந்த issue](https://github.com/facebook/react-native/issues/54772#issuecomment-3617929832)-ஐ பார்க்கவும். +======= +See [this issue](https://github.com/react/react-native/issues/54772#issuecomment-3617929832) for more information. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca ## Timeline {/*timeline*/} diff --git a/src/content/blog/2025/12/11/denial-of-service-and-source-code-exposure-in-react-server-components.md b/src/content/blog/2025/12/11/denial-of-service-and-source-code-exposure-in-react-server-components.md index a065551a8..e3692dfb9 100644 --- a/src/content/blog/2025/12/11/denial-of-service-and-source-code-exposure-in-react-server-components.md +++ b/src/content/blog/2025/12/11/denial-of-service-and-source-code-exposure-in-react-server-components.md @@ -98,7 +98,11 @@ React Native-ஐ monorepo-வில் பயன்படுத்தினா Security advisories-ஐ mitigate செய்ய இது தேவை; ஆனால் `react` மற்றும் `react-dom` update செய்ய வேண்டியதில்லை, எனவே இது React Native-இல் version mismatch error ஏற்படுத்தாது. +<<<<<<< HEAD மேலும் தகவலுக்கு [இந்த issue](https://github.com/facebook/react-native/issues/54772#issuecomment-3617929832)-ஐ பார்க்கவும். +======= +See [this issue](https://github.com/react/react-native/issues/54772#issuecomment-3617929832) for more information. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca --- diff --git a/src/content/blog/index.md b/src/content/blog/index.md index d8361762f..8fd6daa89 100644 --- a/src/content/blog/index.md +++ b/src/content/blog/index.md @@ -150,7 +150,11 @@ Release post-இல் பகிர்ந்தபடி, React 18 எங்க ### அனைத்து release notes {/*all-release-notes*/} +<<<<<<< HEAD ஒவ்வொரு React release-க்கும் தனி blog post தேவையில்லை. ஆனால் ஒவ்வொரு release-க்கும் விரிவான changelog-ஐ React repository-இல் உள்ள [`CHANGELOG.md`](https://github.com/facebook/react/blob/main/CHANGELOG.md) file-இலும் [Releases](https://github.com/facebook/react/releases) page-இலும் காணலாம். +======= +Not every React release deserves its own blog post, but you can find a detailed changelog for every release in the [`CHANGELOG.md`](https://github.com/react/react/blob/main/CHANGELOG.md) file in the React repository, as well as on the [Releases](https://github.com/react/react/releases) page. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca --- diff --git a/src/content/community/acknowledgements.md b/src/content/community/acknowledgements.md index 84d94ea65..6603341df 100644 --- a/src/content/community/acknowledgements.md +++ b/src/content/community/acknowledgements.md @@ -4,7 +4,11 @@ title: நன்றிகள் <Intro> +<<<<<<< HEAD React-ஐ முதலில் [Jordan Walke](https://github.com/jordwalke) உருவாக்கினார். இன்று React-க்காக [முழுநேரமாகப் பணியாற்றும் அர்ப்பணிக்கப்பட்ட team](/community/team) உள்ளது; அதோடு ஆயிரத்துக்கும் மேற்பட்ட [open source contributors](https://github.com/facebook/react/graphs/contributors) உள்ளனர். +======= +React was originally created by [Jordan Walke.](https://github.com/jordwalke) Today, React has a [dedicated full-time team working on it](/community/team), as well as over a thousand [open source contributors.](https://github.com/react/react/graphs/contributors) +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca </Intro> diff --git a/src/content/community/conferences.md b/src/content/community/conferences.md index d02284b9a..1056bbaea 100644 --- a/src/content/community/conferences.md +++ b/src/content/community/conferences.md @@ -25,7 +25,16 @@ title: React மாநாடுகள் [வலைத்தளம்](https://conf.zurichjs.com?utm_campaign=ZurichJS_Conf&utm_source=referral&utm_content=reactjs_community_conferences) - [Twitter](https://x.com/zurichjs) - [LinkedIn](https://www.linkedin.com/company/zurichjs/) +<<<<<<< HEAD ## கடந்த மாநாடுகள் {/*past-conferences*/} +======= +### React Conf Japan 2027 {/*react-conf-japan-2027*/} +April 24, 2027. In-person in Tokyo, Japan + +[Website](https://reactconf.jp/) - [Twitter](https://x.com/reactconfjp) + +## Past Conferences {/*past-conferences*/} +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca ### CityJS New Delhi 2026 {/*cityjs-newdelhi-2026*/} பிப்ரவரி 12-13, 2026. New Delhi, India-இல் நேரடி நிகழ்வு diff --git a/src/content/community/index.md b/src/content/community/index.md index 56b4e9c59..d9ec4e17f 100644 --- a/src/content/community/index.md +++ b/src/content/community/index.md @@ -10,7 +10,11 @@ React-க்கு கோடிக்கணக்கான developers கொண ## நடத்தை விதிகள் {/*code-of-conduct*/} +<<<<<<< HEAD React சமூகங்களில் பங்கேற்பதற்கு முன், [எங்கள் நடத்தை விதிகளைப் படிக்கவும்.](https://github.com/facebook/react/blob/main/CODE_OF_CONDUCT.md) நாங்கள் [Contributor Covenant](https://www.contributor-covenant.org/)-ஐ ஏற்றுள்ளோம்; அனைத்து சமூக உறுப்பினர்களும் அதில் உள்ள வழிகாட்டுதல்களைப் பின்பற்ற வேண்டும் என எதிர்பார்க்கிறோம். +======= +Before participating in React's communities, [please read our Code of Conduct.](https://github.com/react/react/blob/main/CODE_OF_CONDUCT.md) We have adopted the [Contributor Covenant](https://www.contributor-covenant.org/) and we expect that all community members adhere to the guidelines within. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca ## Stack Overflow {/*stack-overflow*/} diff --git a/src/content/community/team.md b/src/content/community/team.md index eead63fa9..edeecd469 100644 --- a/src/content/community/team.md +++ b/src/content/community/team.md @@ -4,12 +4,17 @@ title: "Team-ஐ சந்திக்கவும்" <Intro> +<<<<<<< HEAD React development-ஐ Meta-வில் full time பணியாற்றும் அர்ப்பணிப்பு கொண்ட team வழிநடத்துகிறது. உலகம் முழுவதிலிருந்தும் பலர் இதற்கு contributions வழங்குகின்றனர். +======= +React development is led by contributors from companies and communities all over the world. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca </Intro> -## React Core {/*react-core*/} +React work is organized into working groups, each responsible for an area of the project such as Server, DOM, Fiber, Docs & Community, Compiler, DevX, and React Native. Each working group is represented on the React Leadership Council, which coordinates direction across the project. +<<<<<<< HEAD React Core team உறுப்பினர்கள் core component APIs, React DOM மற்றும் React Native-ஐ இயக்கும் engine, React DevTools, மற்றும் React documentation website ஆகியவற்றில் full time பணியாற்றுகின்றனர். React team-ன் தற்போதைய உறுப்பினர்கள் கீழே அகரவரிசையில் பட்டியலிடப்பட்டுள்ளனர். @@ -32,20 +37,136 @@ React team-ன் தற்போதைய உறுப்பினர்கள <TeamMember name="Jack Pope" permalink="jack-pope" photo="/images/team/jack-pope.jpg" github="jackpope" personal="jackpope.me" title="Meta-வில் Engineer"> AutoHotkey அறிமுகமான சில நாள்களிலேயே, தன்னால் நினைக்க முடிந்த அனைத்தையும் automate செய்ய Jack scripts எழுதிவிட்டார். அதில் வரம்புகள் தெரிந்ததும், அவர் முழுமையாக web app development-இல் இறங்கி திரும்பிப் பார்க்கவில்லை. React-க்கு மாறுவதற்கு முன், சமீபத்தில் Jack Instagram-ன் web platform-இல் பணியாற்றினார். அவரின் விருப்பமான programming language JSX. +======= +## Leadership Council {/*leadership-council*/} + +<TeamMember name="Andrew Clark" permalink="andrew-clark" photo="/images/team/acdlite.jpg" github="acdlite" twitter="acdlite" threads="acdlite" title="Engineer at Vercel" group="Fiber*, DOM"> + Andrew got started with web development by making sites with WordPress, and eventually tricked himself into doing JavaScript. His favorite pastime is karaoke. Andrew is either a Disney villain or a Disney princess, depending on the day. +</TeamMember> + +<TeamMember name="Jack Pope" permalink="jack-pope" photo="/images/team/jack-pope.jpg" github="jackpope" personal="jackpope.me" title="Engineer at Meta" group="DOM*, Fiber"> + Shortly after being introduced to AutoHotkey, Jack had written scripts to automate everything he could think of. When reaching limitations there, he dove headfirst into web app development and hasn't looked back. Most recently, Jack worked on the web platform at Instagram before moving to React. His favorite programming language is JSX. +</TeamMember> + +<TeamMember name="Mofei Zhang" permalink="mofei-zhang" photo="/images/team/mofei-zhang.png" github="mofeiZ" threads="z_mofei" title="Engineer at Meta" group="Compiler*"> + Mofei started programming when she realized it can help her cheat in video games. She focused on operating systems in undergrad / grad school, but now finds herself happily tinkering on React. Outside of work, she enjoys debugging bouldering problems and planning her next backpacking trip(s). +</TeamMember> + +<TeamMember name="Moti Zilberman" permalink="moti-zilberman" photo="/images/team/gh-motiz88.jpg" github="motiz88" title="Engineer at Meta" group="DevX*" /> + +<TeamMember name="Nicola Corti" permalink="nicola-corti" photo="/images/team/gh-cortinico.jpg" github="cortinico" title="Engineer at Meta" group="React Native*, Docs & Community" /> + +<TeamMember name="Rick Hanlon" permalink="rick-hanlon" photo="/images/team/rickhanlonii.jpg" github="rickhanlonii" twitter="rickyfm" threads="rickhanlonii" bsky="ricky.fm" title="Engineer at Meta" group="Docs & Community*, DOM, Fiber, Server, DevX"> + Ricky majored in theoretical math and somehow found himself on the React Native team for a couple years before joining the React team. When he's not programming you can find him snowboarding, biking, climbing, golfing, or closing GitHub issues that do not match the issue template. +</TeamMember> + +<TeamMember name="Sebastian Silbermann" permalink="sebastian-silbermann" photo="/images/team/sebsilbermann.jpg" github="eps1lon" twitter="sebsilbermann" threads="sebsilbermann" title="Engineer at Vercel" group="Server*, DOM, Fiber, DevX"> + Sebastian learned programming to make the browser games he played during class more enjoyable. Eventually this lead to contributing to as much open source code as possible. Outside of coding he's busy making sure people don't confuse him with the other Sebastians and Zilberman of the React community. +</TeamMember> + +## Working Group members {/*working-group-members*/} + +<TeamMember name="Alex Hunt" permalink="alex-hunt" photo="/images/team/gh-huntie.jpg" github="huntie" title="Engineer at Meta" group="DevX, React Native" /> + +<TeamMember name="Aurora Scharff" permalink="aurora-scharff" photo="/images/team/gh-aurorascharff.jpg" github="aurorascharff" title="Engineer at Vercel" group="Docs & Community" /> + +<TeamMember name="Brent Vatne" permalink="brent-vatne" photo="/images/team/gh-brentvatne.jpg" github="brentvatne" title="Engineer at Expo" group="React Native" /> + +<TeamMember name="Dan Abramov" permalink="dan-abramov" photo="/images/team/gaearon.jpg" github="gaearon" bsky="danabra.mov" title="Engineer at Vercel" group="Docs & Community"> + Dan got into programming after he accidentally discovered Visual Basic inside Microsoft PowerPoint. He has found his true calling in turning [Sebastian](#sebastian-markbåge)'s tweets into long-form blog posts. Dan occasionally wins at Fortnite by hiding in a bush until the game ends. +</TeamMember> + +<TeamMember name="Hendrik Liebau" permalink="hendrik-liebau" photo="/images/team/hendrik.jpg" github="unstubbable" bsky="unstubbable.bsky.social" twitter="unstubbable" title="Engineer at Vercel" group="Server"> + Hendrik’s journey in tech started in the late 90s when he built his first websites with Netscape Communicator. After earning a diploma in computer science and working at digital agencies, he built a React Server Components bundler and library, paving the way to his role on the Next.js team. Outside of work, he enjoys cycling and tinkering in his workshop. +</TeamMember> + +<TeamMember name="Jordan Eldredge" permalink="jordan-eldredge" photo="/images/team/gh-captbaritone.jpg" github="captbaritone" title="Engineer at Meta" group="Server" /> + +<TeamMember name="Josh Story" permalink="josh-story" photo="/images/team/josh.jpg" github="gnoff" bsky="storyhb.com" title="Engineer at Vercel" group="DOM, Fiber, Server"> + Josh majored in Mathematics and discovered programming while in college. His first professional developer job was to program insurance rate calculations in Microsoft Excel, the paragon of Reactive Programming which must be why he now works on React. In between that time Josh has been an IC, Manager, and Executive at a few startups. outside of work he likes to push his limits with cooking. +</TeamMember> + +<TeamMember name="Kevin Gozali" permalink="kevin-gozali" photo="/images/team/gh-fkgozali.jpg" github="fkgozali" title="Engineer at Meta" group="React Native" /> + +<TeamMember name="Khalef Hosany" permalink="khalef-hosany" photo="/images/team/gh-khalef1.jpg" github="Khalef1" title="Engineer at Microsoft" group="React Native" /> + +<TeamMember name="Krzysztof Magiera" permalink="krzysztof-magiera" photo="/images/team/gh-kmagiera.jpg" github="kmagiera" title="Engineer at Software Mansion" group="React Native" /> + +<TeamMember name="Lauren Tan" permalink="lauren-tan" photo="/images/team/lauren.jpg" github="poteto" twitter="potetotes" threads="potetotes" bsky="no.lol" title="Engineer at Cursor" group="Compiler"> + Lauren's programming career peaked when she first discovered the `<marquee>` tag. She’s been chasing that high ever since. She studied Finance instead of CS in college, so she learned to code using Excel. Lauren enjoys dropping cheeky memes in chat, playing video games with her partner, learning Korean, and petting her dog Zelda. +</TeamMember> + +<TeamMember name="Matt Carroll" permalink="matt-carroll" photo="/images/team/matt-carroll.png" github="mattcarrollcode" twitter="mattcarrollcode" threads="mattcarrollcode" title="Developer Advocate at Meta" group="Docs & Community"> + Matt stumbled into coding, and since then, has become enamored with creating things in communities that can’t be created alone. Prior to React, he worked on YouTube, the Google Assistant, Fuchsia, and Google Cloud AI and Evernote. When he's not trying to make better developer tools he enjoys the mountains, jazz, and spending time with his family. +</TeamMember> + +<TeamMember name="Michael Leon" permalink="michael-leon" photo="/images/team/gh-fbmal7.jpg" github="fbmal7" title="Engineer at Meta" group="DevX" /> + +<TeamMember name="Michał Pierzchała" permalink="michal-pierzchala" photo="/images/team/gh-thymikee.jpg" github="thymikee" title="Engineer at Callstack" group="React Native" /> + +<TeamMember name="Mike Vitousek" permalink="mike-vitousek" photo="/images/team/mike.jpg" github="mvitousek" title="Engineer at Meta" group="Compiler"> + Mike went to grad school dreaming of becoming a professor but realized that he liked building things a lot more than writing grant applications. Mike joined Meta to work on Javascript infrastructure, which ultimately led him to work on the React Compiler. When not hacking on either Javascript or OCaml, Mike can often be found hiking or skiing in the Pacific Northwest. +</TeamMember> + +<TeamMember name="Pieter De Baets" permalink="pieter-de-baets" photo="/images/team/gh-javache.jpg" github="javache" title="Engineer at Meta" group="Compiler, Fiber, React Native" /> + +<TeamMember name="Riccardo Cipolleschi" permalink="riccardo-cipolleschi" photo="/images/team/gh-cipolleschi.png" github="cipolleschi" title="Engineer at Meta" group="Docs & Community, React Native" /> + +<TeamMember name="Rob Hogan" permalink="rob-hogan" photo="/images/team/gh-rh389.jpg" github="rh389" title="Engineer at Meta" group="DevX" /> + +<TeamMember name="Rubén Norte" permalink="ruben-norte" photo="/images/team/gh-rubennorte.jpg" github="rubennorte" title="Engineer at Meta" group="Fiber" /> + +<TeamMember name="Ruslan Lesiutin" permalink="ruslan-lesiutin" photo="/images/team/lesiutin.jpg" github="hoxyq" twitter="ruslanlesiutin" threads="lesiutin" title="Engineer at Meta" group="DOM, DevX"> + Ruslan's introduction to UI programming started when he was a kid by manually editing HTML templates for his custom gaming forums. Somehow, he ended up majoring in Computer Science. He enjoys music, games, and memes. Mostly memes. +</TeamMember> + +<TeamMember name="Sam Selikoff" permalink="sam-selikoff" photo="/images/team/gh-samselikoff.jpg" github="samselikoff" title="Engineer at Vercel" group="Docs & Community" /> + +<TeamMember name="Sophie Alpert" permalink="sophie-alpert" photo="/images/team/sophiebits.jpg" github="sophiebits" twitter="sophiebits" threads="sophiebits" personal="sophiebits.com" title="Independent Engineer" group="Docs & Community, DOM, Fiber"> + Four days after React was released, Sophie rewrote the entirety of her then-current project to use it, which she now realizes was perhaps a bit reckless. After she became the project's #1 committer, she wondered why she wasn't getting paid by Facebook like everyone else was and joined the team officially to lead React through its adolescent years. Though she quit that job years ago, somehow she's still in the team's group chats and “providing value”. +</TeamMember> + +<TeamMember name="Steven Moyes" permalink="steven-moyes" photo="/images/team/gh-stmoy.jpg" github="stmoy" title="Engineer at Amazon" group="React Native" /> + +<TeamMember name="Vitali Zaidman" permalink="vitali-zaidman" photo="/images/team/gh-vzaidman.jpg" github="vzaidman" title="Engineer at Meta" group="DevX" /> + +<TeamMember name="Vojtěch Šimek" permalink="vojtech-simek" photo="/images/team/gh-simek.png" github="simek" title="Developer" group="Docs & Community" /> + +## Advisors {/*advisors*/} + +<TeamMember name="Eli White" permalink="eli-white" photo="/images/team/eli-white.jpg" github="elicwhite" twitter="Eli_White" threads="elicwhite" title="Engineer at Meta"> + Eli got into programming after he got suspended from middle school for hacking. He has been working on React and React Native since 2017. He enjoys eating treats, especially ice cream and apple pie. You can find Eli trying quirky activities like parkour, indoor skydiving, and aerial silks. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca </TeamMember> <TeamMember name="Jason Bonta" permalink="jason-bonta" photo="/images/team/jasonbonta.jpg" threads="someextent" title="Meta-வில் Engineering Manager"> Jason embedded C-ஐ விட்டு front-end engineering career-க்கு மாறினார்; பின்னர் திரும்பிப் பார்க்கவில்லை. ஆழமான CSS அறிவும் அழகான UI-க்கான ஆர்வமும் கொண்டு Jason 2010-இல் Facebook-இல் சேர்ந்தார்; JavaScript development வளர்ந்ததை பார்த்தது தமக்கு ஒரு சிறப்பு என்று இப்போது நினைக்கிறார். `for...of` loops எப்படி வேலை செய்கின்றன என்பதை அவர் புரிந்துகொள்ளாமல் இருக்கலாம்; ஆனால் சிறந்த UX-ஐ உருவாக்கும் projects-இல் புத்திசாலிகளுடன் பணியாற்றுவது அவருக்கு மிகவும் பிடிக்கும். </TeamMember> +<<<<<<< HEAD <TeamMember name="Joe Savona" permalink="joe-savona" photo="/images/team/joe.jpg" github="josephsavona" twitter="en_JS" threads="joesavona" title="Meta-வில் Engineer"> Joe math மற்றும் philosophy-யை major செய்ய திட்டமிட்டிருந்தார்; ஆனால் Matlab-இல் physics simulations எழுதிய பிறகு computer science-இல் நுழைந்தார். React-க்கு முன், அவர் Relay, RSocket.js, மற்றும் Skip programming language-இல் பணியாற்றினார். எந்தவொரு reactive system-ஐயும் கட்டிக்கொண்டிருக்காத நேரங்களில் running, Japanese படித்தல், மற்றும் தனது குடும்பத்துடன் நேரம் செலவிடுதல் அவருக்கு பிடிக்கும். +======= +<TeamMember name="Jimmy Lai" permalink="jimmy-lai" photo="/images/team/jimmy-lai.jpg" github="feedthejim" title="Engineering Director, Next.js at Vercel"> + Like many others, Jimmy started programming with the hopes of being able to work in the gaming industry. Fast forward a few years, he somehow decided that React and Javascript were pretty fun and that helping other developers build fast experiences was a more interesting life goal. After starting his career at Meta, working on product infrastructure and (briefly) on React Native, Jimmy now works at Vercel, where he helps his team build Next.js. He sadly does not get much time for video games anymore. +</TeamMember> + +<TeamMember name="Seth Webster" permalink="seth-webster" photo="/images/team/seth.jpg" github="sethwebster" twitter="sethwebster" threads="sethwebster" personal="sethwebster.com" title="Executive Director, React Foundation, Chief Developer Evangelist at Expo"> + Seth started programming as a kid growing up in Tucson, AZ. After school, he was bitten by the music bug and was a touring musician for about 10 years before returning to *work*, starting with Intuit. In his spare time, he loves [taking pictures](https://www.sethwebster.com) and flying for animal rescues in the northeastern United States. +</TeamMember> + +## Emeritus {/*emeritus*/} + +<TeamMember name="Joe Savona" permalink="joe-savona" photo="/images/team/joe.jpg" github="josephsavona" twitter="en_JS" threads="joesavona" title="Engineer at Meta"> + Joe was planning to major in math and philosophy but got into computer science after writing physics simulations in Matlab. Prior to React, he worked on Relay, RSocket.js, and the Skip programming language. While he’s not building some sort of reactive system he enjoys running, studying Japanese, and spending time with his family. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca </TeamMember> <TeamMember name="Jordan Brown" permalink="jordan-brown" photo="/images/team/jordan.jpg" github="jbrown215" title="Meta-வில் Engineer"> Jordan iPhone apps உருவாக்குவதன் மூலம் coding தொடங்கினார்; for-loops என்ற ஒன்று இருப்பதை அறியும்முன்பே view controllers-ஐ push மற்றும் pop செய்து கொண்டிருந்தார். Developers விரும்பும் technology-யில் பணியாற்றுவது அவருக்கு பிடிக்கும்; அதுவே இயல்பாக அவரை React-க்கு இழுத்துக் கொண்டது. வேலையிற்கு வெளியே reading, kiteboarding, மற்றும் guitar வாசித்தல் அவருக்கு பிடிக்கும். </TeamMember> +<<<<<<< HEAD <TeamMember name="Josh Story" permalink="josh-story" photo="/images/team/josh.jpg" github="gnoff" bsky="storyhb.com" title="Vercel-இல் Engineer"> Josh Mathematics-இல் major செய்து, college காலத்தில் programming-ஐ கண்டுபிடித்தார். அவரது முதல் professional developer வேலை Microsoft Excel-இல் insurance rate calculations program செய்வது; Reactive Programming-ன் உச்சமான அது, அவர் இப்போது React-இல் பணியாற்றுவதற்குக் காரணமாக இருந்திருக்கலாம். அந்த இடைப்பட்ட காலத்தில் Josh சில startups-இல் IC, Manager, மற்றும் Executive ஆக இருந்துள்ளார். வேலையிற்கு வெளியே cooking மூலம் தனது வரம்புகளை சோதிப்பது அவருக்கு பிடிக்கும். </TeamMember> @@ -101,3 +222,18 @@ React team-ன் தற்போதைய உறுப்பினர்கள ## முந்தைய contributors {/*past-contributors*/} பல ஆண்டுகளாக React-க்கு முக்கியமாக contribute செய்த முந்தைய team members மற்றும் பிறரை [acknowledgements](/community/acknowledgements) பக்கத்தில் காணலாம். +======= +<TeamMember name="Pieter Vanderwerff" permalink="pieter-vanderwerff" photo="/images/team/pieter.jpg" github="pieterv" threads="pietervanderwerff" title="Engineer at Meta"> + Pieter studied building science but after failing to get a job he made himself a website and things escalated from there. At Meta, he enjoys working on performance, languages and now React. When he's not programming you can find him off-road in the mountains. +</TeamMember> + +<TeamMember name="Sebastian Markbåge" permalink="sebastian-markbåge" photo="/images/team/sebmarkbage.jpg" github="sebmarkbage" twitter="sebmarkbage" threads="sebmarkbage" title="Engineer at Vercel"> + Sebastian majored in psychology. He's usually quiet. Even when he says something, it often doesn't make sense to the rest of us until a few months later. The correct way to pronounce his surname is "mark-boa-geh" but he settled for "mark-beige" out of pragmatism -- and that's how he approaches React. +</TeamMember> + +<TeamMember name="Yuzhi Zheng" permalink="yuzhi-zheng" photo="/images/team/yuzhi.jpg" github="yuzhi" twitter="yuzhiz" threads="yuzhiz" title="Engineering Manager at Meta"> + Yuzhi studied Computer Science in school. She liked the instant gratification of seeing code come to life without having to physically be in a laboratory. Now she’s a manager in the React org. Before management, she used to work on the Relay data fetching framework. In her spare time, Yuzhi enjoys optimizing her life via gardening and home improvement projects. +</TeamMember> + +You can find the past team members and other people who significantly contributed to React over the years on the [acknowledgements](/community/acknowledgements) page. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca diff --git a/src/content/community/versioning-policy.md b/src/content/community/versioning-policy.md index 6181eeb45..6a7fa2acb 100644 --- a/src/content/community/versioning-policy.md +++ b/src/content/community/versioning-policy.md @@ -134,9 +134,15 @@ React-க்கு வரும் எல்லா changes-மும் public r ```console yarn upgrade react@canary react-dom@canary ``` +<<<<<<< HEAD - Updated packages-க்கு எதிராக உங்கள் test suite-ஐ run செய்யவும். - எல்லாம் pass ஆனால் சிறப்பு! உங்கள் project அடுத்த minor React release உடன் வேலை செய்யும் என்று எதிர்பார்க்கலாம். - எதிர்பாராத விதமாக ஏதேனும் break ஆனால், [issue file செய்து](https://github.com/facebook/react/issues) எங்களுக்கு தெரிவிக்கவும். +======= +- Run your test suite against the updated packages. +- If everything passes, great! You can expect that your project will work with the next minor React release. +- If something breaks unexpectedly, please let us know by [filing an issue](https://github.com/react/react/issues). +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca இந்த workflow-ஐ பயன்படுத்தும் project Next.js. உதாரணமாக அவர்களின் [CircleCI configuration](https://github.com/zeit/next.js/blob/c0a1c0f93966fe33edd93fb53e5fafb0dcd80a9e/.circleci/config.yml)-ஐ பார்க்கலாம். @@ -166,4 +172,8 @@ Feature document செய்யப்படவில்லை என்றா புதிய experiments அறிவிக்க தயாரானபோது [React blog](/blog)-இல் post செய்வோம்; ஆனால் ஒவ்வொரு experiment-யையும் publicize செய்வோம் என்று அர்த்தமில்லை. +<<<<<<< HEAD மாற்றங்களின் முழுமையான பட்டியலுக்கு எப்போதும் எங்கள் public GitHub repository-ன் [history](https://github.com/facebook/react/commits/main)-ஐ பார்க்கலாம். +======= +You can always refer to our public GitHub repository's [history](https://github.com/react/react/commits/main) for a comprehensive list of changes. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca diff --git a/src/content/learn/react-compiler/debugging.md b/src/content/learn/react-compiler/debugging.md index b5738516c..68d186534 100644 --- a/src/content/learn/react-compiler/debugging.md +++ b/src/content/learn/react-compiler/debugging.md @@ -43,10 +43,17 @@ Runtime issues-ஐ debug செய்யும்போது, ESLint rule க ### Compiler build errors {/*compiler-build-errors*/} +<<<<<<< HEAD உங்கள் build-ஐ எதிர்பாராத விதமாக உடைக்கும் compiler error ஏற்பட்டால், அது compiler-இல் bug ஆக இருக்கலாம். இதை பின்வரும் தகவல்களுடன் [facebook/react](https://github.com/facebook/react/issues) repository-க்கு report செய்யுங்கள்: - Error message - Error ஏற்படுத்திய code - உங்கள் React மற்றும் compiler versions +======= +If you encounter a compiler error that unexpectedly breaks your build, this is likely a bug in the compiler. Report it to the [react/react](https://github.com/react/react/issues) repository with: +- The error message +- The code that caused the error +- Your React and compiler versions +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca ### Runtime issues {/*runtime-issues*/} @@ -78,11 +85,19 @@ Manual memoization (`useMemo`, `useCallback`, `memo`) அனைத்தைய Compiler bug ஒன்றைக் கண்டுபிடித்துள்ளீர்கள் என்று நம்பினால்: +<<<<<<< HEAD 1. **இது React விதி மீறல் அல்ல என்பதை உறுதிசெய்யுங்கள்** - ESLint மூலம் சரிபார்க்கவும் 2. **Minimal reproduction உருவாக்குங்கள்** - பிரச்சினையை சிறிய உதாரணத்தில் தனிமைப்படுத்துங்கள் 3. **Compiler இல்லாமல் test செய்யுங்கள்** - Compilation இருந்தால் மட்டுமே பிரச்சினை ஏற்படுகிறதா என்பதை உறுதிசெய்யுங்கள் 4. **[Issue](https://github.com/facebook/react/issues/new?template=compiler_bug_report.yml) file செய்யுங்கள்**: - React மற்றும் compiler versions +======= +1. **Verify it's not a Rules of React violation** - Check with ESLint +2. **Create a minimal reproduction** - Isolate the issue in a small example +3. **Test without the compiler** - Confirm the issue only occurs with compilation +4. **File an [issue](https://github.com/react/react/issues/new?template=compiler_bug_report.yml)**: + - React and compiler versions +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca - Minimal reproduction code - Expected vs actual behavior - ஏதேனும் error messages diff --git a/src/content/learn/react-compiler/installation.md b/src/content/learn/react-compiler/installation.md index 842f0bc63..6fab2ea28 100644 --- a/src/content/learn/react-compiler/installation.md +++ b/src/content/learn/react-compiler/installation.md @@ -190,7 +190,11 @@ ESLint plugin install செய்யவும்: npm install -D eslint-plugin-react-hooks@latest </TerminalBlock> +<<<<<<< HEAD eslint-plugin-react-hooks ஏற்கனவே configure செய்யப்படவில்லை என்றால், [readme-இல் உள்ள installation instructions](https://github.com/facebook/react/blob/main/packages/eslint-plugin-react-hooks/README.md#installation)-ஐ பின்பற்றவும். Compiler rules `recommended-latest` preset-இல் கிடைக்கின்றன. +======= +If you haven't already configured eslint-plugin-react-hooks, follow the [installation instructions in the readme](https://github.com/react/react/blob/main/packages/eslint-plugin-react-hooks/README.md#installation). The compiler rules are available in the `recommended-latest` preset. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca ESLint rule: - [React விதிகள்](/reference/rules) violations-ஐ identify செய்யும் diff --git a/src/content/learn/tutorial-tic-tac-toe.md b/src/content/learn/tutorial-tic-tac-toe.md index d3cd95fee..d92a775f9 100644 --- a/src/content/learn/tutorial-tic-tac-toe.md +++ b/src/content/learn/tutorial-tic-tac-toe.md @@ -899,6 +899,7 @@ body { ### React Developer Tools {/*react-developer-tools*/} +<<<<<<< HEAD React DevTools உங்கள் React component-களின் props மற்றும் state-ஐச் சரிபார்க்க அனுமதிக்கிறது. CodeSandbox-இல் _browser_ பிரிவின் கீழே React DevTools tab-ஐக் காணலாம்: ![CodeSandbox-இல் React DevTools](../images/tutorial/codesandbox-devtools.png) @@ -906,12 +907,26 @@ React DevTools உங்கள் React component-களின் props மற screen-இல் குறிப்பிட்ட component-ஐ inspect செய்ய, React DevTools-ன் இடது மேல் மூலையில் உள்ள button-ஐப் பயன்படுத்துங்கள்: ![React DevTools மூலம் page-இல் component-களைத் தேர்ந்தெடுத்தல்](../images/tutorial/devtools-select.gif) +======= +React Developer Tools let you check the props and the state of your React components. It is available as a [Chrome](https://chrome.google.com/webstore/detail/react-developer-tools/fmkadmapgofadopljbjfkapdkoienihi?hl=en), [Firefox](https://addons.mozilla.org/en-US/firefox/addon/react-devtools/), and [Edge](https://microsoftedge.microsoft.com/addons/detail/react-developer-tools/gpphkfbcpidddadnkolkpfckpihlkkil) browser extension. -<Note> +After you install it, a new *Components* tab will appear in your browser Developer Tools for sites using React. If you're following along in CodeSandbox, you'd need to first open your sandbox preview in a new tab: + +![opening in new tab](../images/tutorial/sandbox-new-tab.png) + +Then, on the preview page, open your browser's DevTools and find the *Components* tab: +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca +![components tab](../images/tutorial/components-tab.png) + +<<<<<<< HEAD local development-க்கு, React DevTools [Chrome](https://chrome.google.com/webstore/detail/react-developer-tools/fmkadmapgofadopljbjfkapdkoienihi?hl=en), [Firefox](https://addons.mozilla.org/en-US/firefox/addon/react-devtools/), மற்றும் [Edge](https://microsoftedge.microsoft.com/addons/detail/react-developer-tools/gpphkfbcpidddadnkolkpfckpihlkkil) browser extension ஆக கிடைக்கிறது. அதை install செய்தால், React பயன்படுத்தும் site-களுக்காக உங்கள் browser Developer Tools-இல் *Components* tab தோன்றும். +======= +To inspect a particular component on the screen, use the button in the top left corner of the Components tab: + +![inspecting with devtools](../images/tutorial/devtools-inspect.gif) +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca -</Note> ## game-ஐ முடித்தல் {/*completing-the-game*/} diff --git a/src/content/reference/eslint-plugin-react-hooks/lints/incompatible-library.md b/src/content/reference/eslint-plugin-react-hooks/lints/incompatible-library.md index 8481727f9..583ee1c45 100644 --- a/src/content/reference/eslint-plugin-react-hooks/lints/incompatible-library.md +++ b/src/content/reference/eslint-plugin-react-hooks/lints/incompatible-library.md @@ -16,7 +16,11 @@ React-இன் memoization rules முழுமையாக document செய ## விதி விவரங்கள் {/*rule-details*/} +<<<<<<< HEAD சில libraries React ஆதரிக்காத patterns-ஐப் பயன்படுத்துகின்றன. [அறியப்பட்ட பட்டியலில்](https://github.com/facebook/react/blob/main/compiler/packages/babel-plugin-react-compiler/src/HIR/DefaultModuleTypeProvider.ts) உள்ள இந்த API-களின் பயன்பாடுகளை linter கண்டறிந்தால், இந்த விதியின் கீழ் அவற்றை flag செய்கிறது. இதன் பொருள், உங்கள் app உடையாமல் இருக்க React Compiler இந்த incompatible APIs பயன்படுத்தும் components-ஐ தானாக skip செய்ய முடியும். +======= +Some libraries use patterns that aren't supported by React. When the linter detects usages of these APIs from a [known list](https://github.com/react/react/blob/main/compiler/packages/babel-plugin-react-compiler/src/HIR/DefaultModuleTypeProvider.ts), it flags them under this rule. This means that React Compiler can automatically skip over components that use these incompatible APIs, in order to avoid breaking your app. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca ```js // Example of how memoization breaks with these libraries @@ -135,4 +139,8 @@ function Component() { } ``` +<<<<<<< HEAD சில பிற libraries-க்கு React-இன் memoization model-உடன் compatible ஆன alternative APIs இன்னும் இல்லை. இந்த API-களை அழைக்கும் உங்கள் components அல்லது hooks-ஐ linter தானாக skip செய்யவில்லை என்றால், அதை linter-இல் சேர்க்க எங்களுக்கு [issue file செய்யுங்கள்](https://github.com/facebook/react/issues). +======= +Some other libraries do not yet have alternative APIs that are compatible with React's memoization model. If the linter doesn't automatically skip over your components or hooks that call these APIs, please [file an issue](https://github.com/react/react/issues) so we can add it to the linter. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca diff --git a/src/content/reference/react-dom/components/common.md b/src/content/reference/react-dom/components/common.md index f070522cc..3c2d89e2a 100644 --- a/src/content/reference/react-dom/components/common.md +++ b/src/content/reference/react-dom/components/common.md @@ -36,7 +36,11 @@ title: "பொதுவான components (எ.கா. <div>)" * `suppressHydrationWarning`: ஒரு boolean. நீங்கள் [server rendering](/reference/react-dom/server) பயன்படுத்தினால், server மற்றும் client வேறு content render செய்யும்போது பொதுவாக warning வரும். சில அரிய சந்தர்ப்பங்களில் (timestamps போன்றவை), exact match-ஐ உறுதி செய்வது மிகவும் கடினமாகவோ சாத்தியமற்றதாகவோ இருக்கும். `suppressHydrationWarning`-ஐ `true` ஆக set செய்தால், அந்த element-ன் attributes மற்றும் content-இல் உள்ள mismatches குறித்து React warning காட்டாது. இது ஒரு level ஆழம் மட்டுமே வேலை செய்யும்; escape hatch ஆகப் பயன்படுத்துவதற்கானது. இதை மிகையாகப் பயன்படுத்த வேண்டாம். [Hydration errors-ஐ suppress செய்வது பற்றி வாசிக்கவும்.](/reference/react-dom/client/hydrateRoot#suppressing-unavoidable-hydration-mismatch-errors) +<<<<<<< HEAD * `style`: CSS styles கொண்ட object, உதாரணமாக `{ fontWeight: 'bold', margin: 20 }`. DOM [`style`](https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/style) property போலவே, CSS property பெயர்கள் `font-weight` என்பதற்குப் பதிலாக `fontWeight` போன்ற `camelCase` வடிவில் எழுதப்பட வேண்டும். Values ஆக strings அல்லது numbers pass செய்யலாம். `width: 100` போன்ற number pass செய்தால், அது [unitless property](https://github.com/facebook/react/blob/81d4ee9ca5c405dce62f64e61506b8e155f38d8d/packages/react-dom-bindings/src/shared/CSSProperty.js#L8-L57) அல்லாத வரை React value-க்கு தானாக `px` ("pixels") சேர்க்கும். Style values முன்கூட்டியே தெரியாத dynamic styles-க்கு மட்டும் `style` பயன்படுத்த பரிந்துரைக்கிறோம். மற்ற சந்தர்ப்பங்களில், `className` மூலம் plain CSS classes பயன்படுத்துவது அதிக திறனானது. [`className` மற்றும் `style` பற்றி மேலும் வாசிக்கவும்.](#applying-css-styles) +======= +* `style`: An object with CSS styles, for example `{ fontWeight: 'bold', margin: 20 }`. Similarly to the DOM [`style`](https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/style) property, the CSS property names need to be written as `camelCase`, for example `fontWeight` instead of `font-weight`. You can pass strings or numbers as values. If you pass a number, like `width: 100`, React will automatically append `px` ("pixels") to the value unless it's a [unitless property.](https://github.com/react/react/blob/81d4ee9ca5c405dce62f64e61506b8e155f38d8d/packages/react-dom-bindings/src/shared/CSSProperty.js#L8-L57) We recommend using `style` only for dynamic styles where you don't know the style values ahead of time. In other cases, applying plain CSS classes with `className` is more efficient. [Read more about `className` and `style`.](#applying-css-styles) +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca இந்த standard DOM props-உம் எல்லா built-in components-க்கும் support செய்யப்படுகின்றன: diff --git a/src/content/reference/react-dom/components/form.md b/src/content/reference/react-dom/components/form.md index 5dbacdbfe..f46d9393b 100644 --- a/src/content/reference/react-dom/components/form.md +++ b/src/content/reference/react-dom/components/form.md @@ -48,9 +48,53 @@ Information submit செய்ய interactive controls உருவாக்க ## Usage {/*usage*/} +<<<<<<< HEAD ### Client-இல் form submission handle செய்தல் {/*handle-form-submission-on-the-client*/} Form submit செய்யப்படும் போது function run ஆக, form-ன் `action` prop-க்கு function pass செய்யவும். [`formData`](https://developer.mozilla.org/en-US/docs/Web/API/FormData), argument ஆக function-க்கு pass செய்யப்படும்; இதனால் form submit செய்த data-வை access செய்யலாம். இது URLs மட்டுமே ஏற்கும் conventional [HTML action](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/form#action)-இலிருந்து வேறுபடுகிறது. `action` function succeed ஆன பிறகு, form-இல் உள்ள எல்லா uncontrolled field elements reset செய்யப்படும். +======= +### Handle form submission with an event handler {/*handle-form-submission-with-an-event-handler*/} + +Pass a function to the `onSubmit` event handler to run code when the form is submitted. By default, the browser sends the form data to the current URL and refreshes the page, so call [`e.preventDefault()`](https://developer.mozilla.org/en-US/docs/Web/API/Event/preventDefault) to override that behavior. + +This example reads the submitted values with [`new FormData(e.target)`](https://developer.mozilla.org/en-US/docs/Web/API/FormData), which collects every field by its `name`. This keeps the inputs [uncontrolled](/reference/react-dom/components/input#reading-the-input-values-when-submitting-a-form). If you instead [control an input with state](/reference/react-dom/components/input#controlling-an-input-with-a-state-variable), read from that state on submit rather than from `FormData`. + +<Sandpack> + +```js src/App.js +export default function Search() { + function handleSubmit(e) { + // Prevent the browser from reloading the page + e.preventDefault(); + + // Read the form data + const form = e.target; + const formData = new FormData(form); + const query = formData.get("query"); + alert(`You searched for '${query}'`); + } + + return ( + <form onSubmit={handleSubmit}> + <input name="query" /> + <button type="submit">Search</button> + </form> + ); +} +``` + +</Sandpack> + +<Note> + +Reading form data with `onSubmit` works in every version of React and gives you direct access to the [submit event](https://developer.mozilla.org/en-US/docs/Web/API/HTMLFormElement/submit_event), so you can call `e.preventDefault()` and read the data yourself. Passing the function to the `action` prop instead runs the submission in a [Transition](/reference/react/useTransition). React then tracks the pending state, sends thrown errors to the nearest error boundary, and lets the form work with [`useActionState`](/reference/react/useActionState) and [`useOptimistic`](/reference/react/useOptimistic). An `action` can also be a [Server Function](/reference/rsc/server-functions), which `onSubmit` does not support. + +</Note> + +### Handle form submission with an action prop {/*handle-form-submission-with-an-action-prop*/} + +Pass a function to the `action` prop of form to run the function when the form is submitted. [`formData`](https://developer.mozilla.org/en-US/docs/Web/API/FormData) will be passed to the function as an argument so you can access the data submitted by the form. This differs from the conventional [HTML action](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/form#action), which only accepts URLs. Unlike `onSubmit`, an `action` runs in a [Transition](/reference/react/useTransition) and calling `e.preventDefault()` isn't needed. After the `action` function succeeds, all uncontrolled field elements in the form are reset. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca <Sandpack> diff --git a/src/content/reference/react-dom/server/renderToPipeableStream.md b/src/content/reference/react-dom/server/renderToPipeableStream.md index ac7600157..520f78442 100644 --- a/src/content/reference/react-dom/server/renderToPipeableStream.md +++ b/src/content/reference/react-dom/server/renderToPipeableStream.md @@ -48,6 +48,7 @@ Client-இல், server உருவாக்கிய HTML-ஐ interactive ஆ * `reactNode`: HTML ஆக render செய்ய விரும்பும் React node. உதாரணமாக, `<App />` போன்ற JSX element. இது முழு document-ஐ represent செய்யும் என்று எதிர்பார்க்கப்படுகிறது, எனவே `App` component `<html>` tag-ஐ render செய்ய வேண்டும். +<<<<<<< HEAD * **optional** `options`: Streaming options கொண்ட object. * **optional** `bootstrapScriptContent`: குறிப்பிடப்பட்டால், இந்த string inline `<script>` tag-இல் வைக்கப்படும். * **optional** `bootstrapScripts`: Page-இல் emit செய்ய வேண்டிய `<script>` tags-க்கான string URLs-ன் array. [`hydrateRoot`](/reference/react-dom/client/hydrateRoot)-ஐ call செய்யும் `<script>`-ஐ சேர்க்க இதைப் பயன்படுத்துங்கள். Client-இல் React-ஐ முற்றிலும் run செய்ய வேண்டாம் என்றால் இதை விடுங்கள். @@ -60,6 +61,20 @@ Client-இல், server உருவாக்கிய HTML-ஐ interactive ஆ * **optional** `onShellReady`: [Initial shell](#specifying-what-goes-into-the-shell) render ஆன உடனே fire ஆகும் callback. இங்கே [status code-ஐ set](#setting-the-status-code) செய்து `pipe`-ஐ call செய்து streaming தொடங்கலாம். Shell-க்கு பிறகு React [கூடுதல் content-ஐ stream](#streaming-more-content-as-it-loads) செய்யும்; loading fallbacks-ஐ content-ஆக மாற்றும் inline `<script>` tags உடனும் அது வரும். * **optional** `onShellError`: Initial shell render செய்யும்போது error இருந்தால் fire ஆகும் callback. இது error-ஐ argument ஆகப் பெறும். Stream-இலிருந்து இன்னும் bytes எதுவும் emit ஆகவில்லை; `onShellReady` அல்லது `onAllReady` எதுவும் call ஆகாது. எனவே நீங்கள் [fallback HTML shell-ஐ output செய்யலாம்](#recovering-from-errors-inside-the-shell). * **optional** `progressiveChunkSize`: ஒரு chunk-இல் உள்ள bytes எண்ணிக்கை. [Default heuristic பற்றி மேலும் படிக்கவும்.](https://github.com/facebook/react/blob/14c2be8dac2d5482fda8a0906a31d239df8551fc/packages/react-server/src/ReactFizzServer.js#L210-L225) +======= +* **optional** `options`: An object with streaming options. + * **optional** `bootstrapScriptContent`: If specified, this string will be placed in an inline `<script>` tag. + * **optional** `bootstrapScripts`: An array of string URLs for the `<script>` tags to emit on the page. Use this to include the `<script>` that calls [`hydrateRoot`.](/reference/react-dom/client/hydrateRoot) Omit it if you don't want to run React on the client at all. + * **optional** `bootstrapModules`: Like `bootstrapScripts`, but emits [`<script type="module">`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Modules) instead. + * **optional** `identifierPrefix`: A string prefix React uses for IDs generated by [`useId`.](/reference/react/useId) Useful to avoid conflicts when using multiple roots on the same page. Must be the same prefix as passed to [`hydrateRoot`.](/reference/react-dom/client/hydrateRoot#parameters) + * **optional** `namespaceURI`: A string with the root [namespace URI](https://developer.mozilla.org/en-US/docs/Web/API/Document/createElementNS#important_namespace_uris) for the stream. Defaults to regular HTML. Pass `'http://www.w3.org/2000/svg'` for SVG or `'http://www.w3.org/1998/Math/MathML'` for MathML. + * **optional** `nonce`: A [`nonce`](http://developer.mozilla.org/en-US/docs/Web/HTML/Element/script#nonce) string to allow scripts for [`script-src` Content-Security-Policy](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/script-src). + * **optional** `onAllReady`: A callback that fires when all rendering is complete, including both the [shell](#specifying-what-goes-into-the-shell) and all additional [content.](#streaming-more-content-as-it-loads) You can use this instead of `onShellReady` [for crawlers and static generation.](#waiting-for-all-content-to-load-for-crawlers-and-static-generation) If you start streaming here, you won't get any progressive loading. The stream will contain the final HTML. + * **optional** `onError`: A callback that fires whenever there is a server error, whether [recoverable](#recovering-from-errors-outside-the-shell) or [not.](#recovering-from-errors-inside-the-shell) By default, this only calls `console.error`. If you override it to [log crash reports,](#logging-crashes-on-the-server) make sure that you still call `console.error`. You can also use it to [adjust the status code](#setting-the-status-code) before the shell is emitted. + * **optional** `onShellReady`: A callback that fires right after the [initial shell](#specifying-what-goes-into-the-shell) has been rendered. You can [set the status code](#setting-the-status-code) and call `pipe` here to start streaming. React will [stream the additional content](#streaming-more-content-as-it-loads) after the shell along with the inline `<script>` tags that replace the HTML loading fallbacks with the content. + * **optional** `onShellError`: A callback that fires if there was an error rendering the initial shell. It receives the error as an argument. No bytes were emitted from the stream yet, and neither `onShellReady` nor `onAllReady` will get called, so you can [output a fallback HTML shell.](#recovering-from-errors-inside-the-shell) + * **optional** `progressiveChunkSize`: The number of bytes in a chunk. [Read more about the default heuristic.](https://github.com/react/react/blob/14c2be8dac2d5482fda8a0906a31d239df8551fc/packages/react-server/src/ReactFizzServer.js#L210-L225) +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca #### Returns {/*returns*/} @@ -284,6 +299,7 @@ Streaming, browser-இல் React தானாக load ஆக காத்த <Note> +<<<<<<< HEAD **Suspense-enabled data sources மட்டுமே Suspense component-ஐ activate செய்யும்.** அவற்றில் அடங்குபவை: - [Relay](https://relay.dev/docs/guided-tour/rendering/loading-states/) மற்றும் [Next.js](https://nextjs.org/docs/getting-started/react-essentials) போன்ற Suspense-enabled frameworks மூலம் data fetching @@ -295,6 +311,9 @@ Effect அல்லது event handler-க்குள் data fetch செய மேலுள்ள `Posts` component-இல் data-வை load செய்யும் சரியான முறை உங்கள் framework-ஐப் பொறுத்தது. நீங்கள் Suspense-enabled framework பயன்படுத்தினால், அதன் data fetching documentation-இல் விவரங்களை காண்பீர்கள். Opinionated framework இல்லாமல் Suspense-enabled data fetching இன்னும் support செய்யப்படவில்லை. Suspense-enabled data source-ஐ implement செய்ய வேண்டிய requirements unstable மற்றும் undocumented ஆக உள்ளன. Data sources-ஐ Suspense-உடன் integrate செய்யும் official API, React-ன் எதிர்கால version ஒன்றில் release செய்யப்படும். +======= +Only data read from a source that [activates a Suspense boundary](/reference/react/Suspense#what-activates-a-suspense-boundary), such as a Promise read with [`use`](/reference/react/use), will suspend during rendering. Suspense does not detect data fetched inside an Effect or event handler. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca </Note> diff --git a/src/content/reference/react-dom/server/renderToReadableStream.md b/src/content/reference/react-dom/server/renderToReadableStream.md index b43258ac0..a8350b17f 100644 --- a/src/content/reference/react-dom/server/renderToReadableStream.md +++ b/src/content/reference/react-dom/server/renderToReadableStream.md @@ -49,6 +49,7 @@ Client-இல், server உருவாக்கிய HTML-ஐ interactive ஆ * `reactNode`: HTML ஆக render செய்ய விரும்பும் React node. உதாரணமாக, `<App />` போன்ற JSX element. இது முழு document-ஐ represent செய்யும் என்று எதிர்பார்க்கப்படுகிறது, எனவே `App` component `<html>` tag-ஐ render செய்ய வேண்டும். +<<<<<<< HEAD * **optional** `options`: Streaming options கொண்ட object. * **optional** `bootstrapScriptContent`: குறிப்பிடப்பட்டால், இந்த string inline `<script>` tag-இல் வைக்கப்படும். * **optional** `bootstrapScripts`: Page-இல் emit செய்ய வேண்டிய `<script>` tags-க்கான string URLs-ன் array. [`hydrateRoot`](/reference/react-dom/client/hydrateRoot)-ஐ call செய்யும் `<script>`-ஐ சேர்க்க இதைப் பயன்படுத்துங்கள். Client-இல் React-ஐ முற்றிலும் run செய்ய வேண்டாம் என்றால் இதை விடுங்கள். @@ -59,6 +60,18 @@ Client-இல், server உருவாக்கிய HTML-ஐ interactive ஆ * **optional** `onError`: [Recoverable](#recovering-from-errors-outside-the-shell) ஆக இருந்தாலும் [இல்லாவிட்டாலும்](#recovering-from-errors-inside-the-shell) server error ஏற்படும் ஒவ்வொரு முறையும் fire ஆகும் callback. Default ஆக இது `console.error`-ஐ மட்டும் call செய்கிறது. [Crash reports log செய்ய](#logging-crashes-on-the-server) அதை override செய்தால், இன்னும் `console.error`-ஐ call செய்கிறீர்கள் என்பதை உறுதி செய்யுங்கள். Shell emit ஆகும் முன் [status code-ஐ சரிசெய்ய](#setting-the-status-code) இதைப் பயன்படுத்தலாம். * **optional** `progressiveChunkSize`: ஒரு chunk-இல் உள்ள bytes எண்ணிக்கை. [Default heuristic பற்றி மேலும் படிக்கவும்.](https://github.com/facebook/react/blob/14c2be8dac2d5482fda8a0906a31d239df8551fc/packages/react-server/src/ReactFizzServer.js#L210-L225) * **optional** `signal`: [Server rendering-ஐ abort](#aborting-server-rendering) செய்து மீதமுள்ளதை client-இல் render செய்ய அனுமதிக்கும் [abort signal](https://developer.mozilla.org/en-US/docs/Web/API/AbortSignal). +======= +* **optional** `options`: An object with streaming options. + * **optional** `bootstrapScriptContent`: If specified, this string will be placed in an inline `<script>` tag. + * **optional** `bootstrapScripts`: An array of string URLs for the `<script>` tags to emit on the page. Use this to include the `<script>` that calls [`hydrateRoot`.](/reference/react-dom/client/hydrateRoot) Omit it if you don't want to run React on the client at all. + * **optional** `bootstrapModules`: Like `bootstrapScripts`, but emits [`<script type="module">`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Modules) instead. + * **optional** `identifierPrefix`: A string prefix React uses for IDs generated by [`useId`.](/reference/react/useId) Useful to avoid conflicts when using multiple roots on the same page. Must be the same prefix as passed to [`hydrateRoot`.](/reference/react-dom/client/hydrateRoot#parameters) + * **optional** `namespaceURI`: A string with the root [namespace URI](https://developer.mozilla.org/en-US/docs/Web/API/Document/createElementNS#important_namespace_uris) for the stream. Defaults to regular HTML. Pass `'http://www.w3.org/2000/svg'` for SVG or `'http://www.w3.org/1998/Math/MathML'` for MathML. + * **optional** `nonce`: A [`nonce`](http://developer.mozilla.org/en-US/docs/Web/HTML/Element/script#nonce) string to allow scripts for [`script-src` Content-Security-Policy](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/script-src). + * **optional** `onError`: A callback that fires whenever there is a server error, whether [recoverable](#recovering-from-errors-outside-the-shell) or [not.](#recovering-from-errors-inside-the-shell) By default, this only calls `console.error`. If you override it to [log crash reports,](#logging-crashes-on-the-server) make sure that you still call `console.error`. You can also use it to [adjust the status code](#setting-the-status-code) before the shell is emitted. + * **optional** `progressiveChunkSize`: The number of bytes in a chunk. [Read more about the default heuristic.](https://github.com/react/react/blob/14c2be8dac2d5482fda8a0906a31d239df8551fc/packages/react-server/src/ReactFizzServer.js#L210-L225) + * **optional** `signal`: An [abort signal](https://developer.mozilla.org/en-US/docs/Web/API/AbortSignal) that lets you [abort server rendering](#aborting-server-rendering) and render the rest on the client. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca #### Returns {/*returns*/} @@ -283,6 +296,7 @@ Streaming, browser-இல் React தானாக load ஆக காத்த <Note> +<<<<<<< HEAD **Suspense-enabled data sources மட்டுமே Suspense component-ஐ activate செய்யும்.** அவற்றில் அடங்குபவை: - [Relay](https://relay.dev/docs/guided-tour/rendering/loading-states/) மற்றும் [Next.js](https://nextjs.org/docs/getting-started/react-essentials) போன்ற Suspense-enabled frameworks மூலம் data fetching @@ -294,6 +308,9 @@ Effect அல்லது event handler-க்குள் data fetch செய மேலுள்ள `Posts` component-இல் data-வை load செய்யும் சரியான முறை உங்கள் framework-ஐப் பொறுத்தது. நீங்கள் Suspense-enabled framework பயன்படுத்தினால், அதன் data fetching documentation-இல் விவரங்களை காண்பீர்கள். Opinionated framework இல்லாமல் Suspense-enabled data fetching இன்னும் support செய்யப்படவில்லை. Suspense-enabled data source-ஐ implement செய்ய வேண்டிய requirements unstable மற்றும் undocumented ஆக உள்ளன. Data sources-ஐ Suspense-உடன் integrate செய்யும் official API, React-ன் எதிர்கால version ஒன்றில் release செய்யப்படும். +======= +Only data read from a source that [activates a Suspense boundary](/reference/react/Suspense#what-activates-a-suspense-boundary), such as a Promise read with [`use`](/reference/react/use), will suspend during rendering. Suspense does not detect data fetched inside an Effect or event handler. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca </Note> diff --git a/src/content/reference/react-dom/static/prerender.md b/src/content/reference/react-dom/static/prerender.md index 35f95b559..6824ee000 100644 --- a/src/content/reference/react-dom/static/prerender.md +++ b/src/content/reference/react-dom/static/prerender.md @@ -49,6 +49,7 @@ Client-இல், server-generated HTML interactive ஆக [`hydrateRoot`](/refe * `reactNode`: HTML-க்கு render செய்ய விரும்பும் React node. உதாரணமாக, `<App />` போன்ற JSX node. இது முழு document-ஐ represent செய்யும் என்று எதிர்பார்க்கப்படுகிறது; எனவே App component `<html>` tag-ஐ render செய்ய வேண்டும். +<<<<<<< HEAD * **optional** `options`: Static generation options கொண்ட object. * **optional** `bootstrapScriptContent`: குறிப்பிடப்பட்டால், இந்த string inline `<script>` tag-இல் வைக்கப்படும். * **optional** `bootstrapScripts`: Page-இல் emit செய்ய வேண்டிய `<script>` tags-க்கான string URLs array. [`hydrateRoot`](/reference/react-dom/client/hydrateRoot) call செய்யும் `<script>`-ஐ include செய்ய இதைப் பயன்படுத்தவும். Client-இல் React run செய்ய வேண்டாம் என்றால் இதை omit செய்யவும். @@ -58,6 +59,17 @@ Client-இல், server-generated HTML interactive ஆக [`hydrateRoot`](/refe * **optional** `onError`: [recoverable](/reference/react-dom/server/renderToReadableStream#recovering-from-errors-outside-the-shell) ஆனதோ [அல்லாததோ](/reference/react-dom/server/renderToReadableStream#recovering-from-errors-inside-the-shell), server error ஏற்படும் ஒவ்வொரு முறையும் fire ஆகும் callback. Default ஆக, இது `console.error` மட்டுமே call செய்கிறது. [Crash reports log செய்ய](/reference/react-dom/server/renderToReadableStream#logging-crashes-on-the-server) override செய்தால், இன்னும் `console.error` call செய்வதை உறுதிசெய்யவும். Shell emit ஆகும்முன் [status code adjust செய்யவும்](/reference/react-dom/server/renderToReadableStream#setting-the-status-code) இதைப் பயன்படுத்தலாம். * **optional** `progressiveChunkSize`: ஒரு chunk-இல் உள்ள bytes எண்ணிக்கை. [Default heuristic பற்றி மேலும் படிக்கவும்.](https://github.com/facebook/react/blob/14c2be8dac2d5482fda8a0906a31d239df8551fc/packages/react-server/src/ReactFizzServer.js#L210-L225) * **optional** `signal`: [Abort signal](https://developer.mozilla.org/en-US/docs/Web/API/AbortSignal); இது [prerendering abort செய்யவும்](#aborting-prerendering) மீதியை client-இல் render செய்யவும் அனுமதிக்கிறது. +======= +* **optional** `options`: An object with static generation options. + * **optional** `bootstrapScriptContent`: If specified, this string will be placed in an inline `<script>` tag. + * **optional** `bootstrapScripts`: An array of string URLs for the `<script>` tags to emit on the page. Use this to include the `<script>` that calls [`hydrateRoot`.](/reference/react-dom/client/hydrateRoot) Omit it if you don't want to run React on the client at all. + * **optional** `bootstrapModules`: Like `bootstrapScripts`, but emits [`<script type="module">`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Modules) instead. + * **optional** `identifierPrefix`: A string prefix React uses for IDs generated by [`useId`.](/reference/react/useId) Useful to avoid conflicts when using multiple roots on the same page. Must be the same prefix as passed to [`hydrateRoot`.](/reference/react-dom/client/hydrateRoot#parameters) + * **optional** `namespaceURI`: A string with the root [namespace URI](https://developer.mozilla.org/en-US/docs/Web/API/Document/createElementNS#important_namespace_uris) for the stream. Defaults to regular HTML. Pass `'http://www.w3.org/2000/svg'` for SVG or `'http://www.w3.org/1998/Math/MathML'` for MathML. + * **optional** `onError`: A callback that fires whenever there is a server error, whether [recoverable](/reference/react-dom/server/renderToReadableStream#recovering-from-errors-outside-the-shell) or [not.](/reference/react-dom/server/renderToReadableStream#recovering-from-errors-inside-the-shell) By default, this only calls `console.error`. If you override it to [log crash reports,](/reference/react-dom/server/renderToReadableStream#logging-crashes-on-the-server) make sure that you still call `console.error`. You can also use it to [adjust the status code](/reference/react-dom/server/renderToReadableStream#setting-the-status-code) before the shell is emitted. + * **optional** `progressiveChunkSize`: The number of bytes in a chunk. [Read more about the default heuristic.](https://github.com/react/react/blob/14c2be8dac2d5482fda8a0906a31d239df8551fc/packages/react-server/src/ReactFizzServer.js#L210-L225) + * **optional** `signal`: An [abort signal](https://developer.mozilla.org/en-US/docs/Web/API/AbortSignal) that lets you [abort prerendering](#aborting-prerendering) and render the rest on the client. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca #### Returns {/*returns*/} @@ -275,6 +287,7 @@ function ProfilePage() { <Note> +<<<<<<< HEAD **Suspense-enabled data sources மட்டுமே Suspense component-ஐ activate செய்யும்.** அவற்றில் அடங்குவது: - [Relay](https://relay.dev/docs/guided-tour/rendering/loading-states/) மற்றும் [Next.js](https://nextjs.org/docs/getting-started/react-essentials) போன்ற Suspense-enabled frameworks உடன் data fetching @@ -286,6 +299,9 @@ Effect அல்லது event handler உள்ளே data fetch செய் மேலுள்ள `Posts` component-இல் data எப்படி load செய்வது என்பது உங்கள் framework-ஐப் பொறுத்தது. Suspense-enabled framework பயன்படுத்தினால், அதன் data fetching documentation-இல் விவரங்கள் கிடைக்கும். Opinionated framework இல்லாமல் Suspense-enabled data fetching இன்னும் support செய்யப்படவில்லை. Suspense-enabled data source implement செய்வதற்கான requirements unstable மற்றும் undocumented. Data sources-ஐ Suspense உடன் integrate செய்ய official API, React-ன் எதிர்கால version-இல் release செய்யப்படும். +======= +Only data read from a source that [activates a Suspense boundary](/reference/react/Suspense#what-activates-a-suspense-boundary), such as a Promise read with [`use`](/reference/react/use), will suspend during rendering. Suspense does not detect data fetched inside an Effect or event handler. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca </Note> diff --git a/src/content/reference/react-dom/static/prerenderToNodeStream.md b/src/content/reference/react-dom/static/prerenderToNodeStream.md index cde0fc93e..4e8beffb7 100644 --- a/src/content/reference/react-dom/static/prerenderToNodeStream.md +++ b/src/content/reference/react-dom/static/prerenderToNodeStream.md @@ -50,6 +50,7 @@ Client-இல், server-generated HTML interactive ஆக [`hydrateRoot`](/refe * `reactNode`: HTML-க்கு render செய்ய விரும்பும் React node. உதாரணமாக, `<App />` போன்ற JSX node. இது முழு document-ஐ represent செய்யும் என்று எதிர்பார்க்கப்படுகிறது; எனவே App component `<html>` tag-ஐ render செய்ய வேண்டும். +<<<<<<< HEAD * **optional** `options`: Static generation options கொண்ட object. * **optional** `bootstrapScriptContent`: குறிப்பிடப்பட்டால், இந்த string inline `<script>` tag-இல் வைக்கப்படும். * **optional** `bootstrapScripts`: Page-இல் emit செய்ய வேண்டிய `<script>` tags-க்கான string URLs array. [`hydrateRoot`](/reference/react-dom/client/hydrateRoot) call செய்யும் `<script>`-ஐ include செய்ய இதைப் பயன்படுத்தவும். Client-இல் React run செய்ய வேண்டாம் என்றால் இதை omit செய்யவும். @@ -59,6 +60,17 @@ Client-இல், server-generated HTML interactive ஆக [`hydrateRoot`](/refe * **optional** `onError`: [recoverable](/reference/react-dom/server/renderToPipeableStream#recovering-from-errors-outside-the-shell) ஆனதோ [அல்லாததோ](/reference/react-dom/server/renderToPipeableStream#recovering-from-errors-inside-the-shell), server error ஏற்படும் ஒவ்வொரு முறையும் fire ஆகும் callback. Default ஆக, இது `console.error` மட்டுமே call செய்கிறது. [Crash reports log செய்ய](/reference/react-dom/server/renderToPipeableStream#logging-crashes-on-the-server) override செய்தால், இன்னும் `console.error` call செய்வதை உறுதிசெய்யவும். Shell emit ஆகும்முன் [status code adjust செய்யவும்](/reference/react-dom/server/renderToPipeableStream#setting-the-status-code) இதைப் பயன்படுத்தலாம். * **optional** `progressiveChunkSize`: ஒரு chunk-இல் உள்ள bytes எண்ணிக்கை. [Default heuristic பற்றி மேலும் படிக்கவும்.](https://github.com/facebook/react/blob/14c2be8dac2d5482fda8a0906a31d239df8551fc/packages/react-server/src/ReactFizzServer.js#L210-L225) * **optional** `signal`: [Abort signal](https://developer.mozilla.org/en-US/docs/Web/API/AbortSignal); இது [prerendering abort செய்யவும்](#aborting-prerendering) மீதியை client-இல் render செய்யவும் அனுமதிக்கிறது. +======= +* **optional** `options`: An object with static generation options. + * **optional** `bootstrapScriptContent`: If specified, this string will be placed in an inline `<script>` tag. + * **optional** `bootstrapScripts`: An array of string URLs for the `<script>` tags to emit on the page. Use this to include the `<script>` that calls [`hydrateRoot`.](/reference/react-dom/client/hydrateRoot) Omit it if you don't want to run React on the client at all. + * **optional** `bootstrapModules`: Like `bootstrapScripts`, but emits [`<script type="module">`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Modules) instead. + * **optional** `identifierPrefix`: A string prefix React uses for IDs generated by [`useId`.](/reference/react/useId) Useful to avoid conflicts when using multiple roots on the same page. Must be the same prefix as passed to [`hydrateRoot`.](/reference/react-dom/client/hydrateRoot#parameters) + * **optional** `namespaceURI`: A string with the root [namespace URI](https://developer.mozilla.org/en-US/docs/Web/API/Document/createElementNS#important_namespace_uris) for the stream. Defaults to regular HTML. Pass `'http://www.w3.org/2000/svg'` for SVG or `'http://www.w3.org/1998/Math/MathML'` for MathML. + * **optional** `onError`: A callback that fires whenever there is a server error, whether [recoverable](/reference/react-dom/server/renderToPipeableStream#recovering-from-errors-outside-the-shell) or [not.](/reference/react-dom/server/renderToPipeableStream#recovering-from-errors-inside-the-shell) By default, this only calls `console.error`. If you override it to [log crash reports,](/reference/react-dom/server/renderToPipeableStream#logging-crashes-on-the-server) make sure that you still call `console.error`. You can also use it to [adjust the status code](/reference/react-dom/server/renderToPipeableStream#setting-the-status-code) before the shell is emitted. + * **optional** `progressiveChunkSize`: The number of bytes in a chunk. [Read more about the default heuristic.](https://github.com/react/react/blob/14c2be8dac2d5482fda8a0906a31d239df8551fc/packages/react-server/src/ReactFizzServer.js#L210-L225) + * **optional** `signal`: An [abort signal](https://developer.mozilla.org/en-US/docs/Web/API/AbortSignal) that lets you [abort prerendering](#aborting-prerendering) and render the rest on the client. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca #### Returns {/*returns*/} @@ -276,6 +288,7 @@ function ProfilePage() { <Note> +<<<<<<< HEAD **Suspense-enabled data sources மட்டுமே Suspense component-ஐ activate செய்யும்.** அவற்றில் அடங்குவது: - [Relay](https://relay.dev/docs/guided-tour/rendering/loading-states/) மற்றும் [Next.js](https://nextjs.org/docs/getting-started/react-essentials) போன்ற Suspense-enabled frameworks உடன் data fetching @@ -287,6 +300,9 @@ Effect அல்லது event handler உள்ளே data fetch செய் மேலுள்ள `Posts` component-இல் data எப்படி load செய்வது என்பது உங்கள் framework-ஐப் பொறுத்தது. Suspense-enabled framework பயன்படுத்தினால், அதன் data fetching documentation-இல் விவரங்கள் கிடைக்கும். Opinionated framework இல்லாமல் Suspense-enabled data fetching இன்னும் support செய்யப்படவில்லை. Suspense-enabled data source implement செய்வதற்கான requirements unstable மற்றும் undocumented. Data sources-ஐ Suspense உடன் integrate செய்ய official API, React-ன் எதிர்கால version-இல் release செய்யப்படும். +======= +Only data read from a source that [activates a Suspense boundary](/reference/react/Suspense#what-activates-a-suspense-boundary), such as a Promise read with [`use`](/reference/react/use), will suspend during rendering. Suspense does not detect data fetched inside an Effect or event handler. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca </Note> diff --git a/src/content/reference/react/Activity.md b/src/content/reference/react/Activity.md index 3f2bea442..3571365ed 100644 --- a/src/content/reference/react/Activity.md +++ b/src/content/reference/react/Activity.md @@ -755,6 +755,7 @@ User அடுத்ததாக interact செய்ய வாய்ப்ப <Note> +<<<<<<< HEAD **Suspense-enabled data sources மட்டுமே pre-rendering போது fetched செய்யப்படும்.** அவை: - [Relay](https://relay.dev/docs/guided-tour/rendering/loading-states/) மற்றும் [Next.js](https://nextjs.org/docs/app/building-your-application/routing/loading-ui-and-streaming#streaming-with-suspense) போன்ற Suspense-enabled frameworks மூலம் data fetching @@ -766,6 +767,9 @@ Effect-க்குள் fetched செய்யப்படும் data-வ மேலுள்ள `Posts` component-இல் data load செய்யும் exact முறை உங்கள் framework-ஐப் பொறுத்தது. Suspense-enabled framework பயன்படுத்தினால், அதன் data fetching documentation-இல் details காண்பீர்கள். Opinionated framework இல்லாமல் Suspense-enabled data fetching இன்னும் support செய்யப்படவில்லை. Suspense-enabled data source implement செய்வதற்கான requirements unstable மற்றும் undocumented. Data sources-ஐ Suspense உடன் integrate செய்வதற்கான official API React-ன் எதிர்கால version-இல் release செய்யப்படும். +======= +Only data read from a source that [activates a Suspense boundary](/reference/react/Suspense#what-activates-a-suspense-boundary), such as a Promise read with [`use`](/reference/react/use), is fetched during pre-rendering. Activity does not detect data fetched inside an Effect. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca </Note> diff --git a/src/content/reference/react/Component.md b/src/content/reference/react/Component.md index f3882ab25..155dc0f1a 100644 --- a/src/content/reference/react/Component.md +++ b/src/content/reference/react/Component.md @@ -1009,7 +1009,11 @@ State derive செய்வது verbose code-க்கு வழிவகு #### Caveats {/*static-getderivedstatefromprops-caveats*/} +<<<<<<< HEAD - இந்த method cause எதுவாக இருந்தாலும் *ஒவ்வொரு* render-இலும் fired ஆகும். Parent re-render ஏற்படுத்தும் போது மட்டும் fire ஆகும், local `setState` காரணமாக அல்லாத [`UNSAFE_componentWillReceiveProps`](#unsafe_cmoponentwillreceiveprops)-இலிருந்து இது வேறுபடும். +======= +- This method is fired on *every* render, regardless of the cause. This is different from [`UNSAFE_componentWillReceiveProps`](#unsafe_componentwillreceiveprops), which only fires when the parent causes a re-render and not as a result of a local `setState`. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca - இந்த method component instance-க்கு access இல்லை. விரும்பினால், component props மற்றும் state-ன் pure functions-ஐ class definition-க்கு வெளியே extract செய்வதன் மூலம் `static getDerivedStateFromProps` மற்றும் மற்ற class methods இடையே சில code reuse செய்யலாம். diff --git a/src/content/reference/react/Fragment.md b/src/content/reference/react/Fragment.md index 61262b29c..5b0a070f9 100644 --- a/src/content/reference/react/Fragment.md +++ b/src/content/reference/react/Fragment.md @@ -6,7 +6,11 @@ title: <Fragment> (<>...</>) அடிக்கடி `<>...</>` syntax மூலம் பயன்படுத்தப்படும் `<Fragment>`, wrapper node இல்லாமல் elements-ஐ group செய்ய உதவுகிறது. +<<<<<<< HEAD <Canary> Fragments refs-ஐயும் accept செய்ய முடியும்; wrapper elements சேர்க்காமல் underlying DOM nodes உடன் interact செய்ய இது உதவுகிறது. Reference மற்றும் usage-ஐ கீழே பார்க்கவும்.</Canary> +======= +<Canary>Fragments can also accept refs, which enable interacting with underlying DOM nodes without adding wrapper elements.</Canary> +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca ```js <> @@ -29,6 +33,7 @@ title: <Fragment> (<>...</>) #### Props {/*props*/} +<<<<<<< HEAD - **optional** `key`: Explicit `<Fragment>` syntax மூலம் declare செய்யப்பட்ட Fragments-க்கு [keys](/learn/rendering-lists#keeping-list-items-in-order-with-key) இருக்கலாம். - <CanaryBadge /> **optional** `ref`: Ref object (எ.கா. [`useRef`](/reference/react/useRef)-இலிருந்து) அல்லது [callback function](/reference/react-dom/components/common#ref-callback). Fragment wrap செய்துள்ள DOM nodes உடன் interact செய்ய methods implement செய்யும் `FragmentInstance`-ஐ ref value ஆக React வழங்கும். @@ -65,6 +70,261 @@ title: <Fragment> (<>...</>) - `<><Child /></>` render செய்வதிலிருந்து `[<Child />]`-க்கு அல்லது மீண்டும் அதற்கு செல்லும்போதோ, `<><Child /></>` render செய்வதிலிருந்து `<Child />`-க்கு அல்லது மீண்டும் அதற்கு செல்லும்போதோ React [state-ஐ reset செய்யாது](/learn/preserving-and-resetting-state). இது ஒரே level ஆழத்திற்கே வேலை செய்கிறது: உதாரணமாக, `<><><Child /></></>`-இலிருந்து `<Child />`-க்கு சென்றால் state reset ஆகும். துல்லியமான semantics-ஐ [இங்கே](https://gist.github.com/clemmy/b3ef00f9507909429d8aa0d3ee4f986b) பார்க்கவும். - <CanaryBadge /> Fragment-க்கு `ref` pass செய்ய விரும்பினால், `<>...</>` syntax பயன்படுத்த முடியாது. `'react'`-இலிருந்து `Fragment`-ஐ explicit-ஆக import செய்து `<Fragment ref={yourRef}>...</Fragment>` render செய்ய வேண்டும். +======= +- **optional** `key`: Fragments declared with the explicit `<Fragment>` syntax may have [keys.](/learn/rendering-lists#keeping-list-items-in-order-with-key) +- <CanaryBadge /> **optional** `ref`: A ref object (e.g. from [`useRef`](/reference/react/useRef)) or [callback function](/reference/react-dom/components/common#ref-callback). React provides a `FragmentInstance` as the ref value that implements methods for interacting with the DOM nodes wrapped by the Fragment. + +#### Caveats {/*caveats*/} + +* If you want to pass `key` to a Fragment, you can't use the `<>...</>` syntax. You have to explicitly import `Fragment` from `'react'` and render `<Fragment key={yourKey}>...</Fragment>`. + +* React does not [reset state](/learn/preserving-and-resetting-state) when you go from rendering `<><Child /></>` to `[<Child />]` or back, or when you go from rendering `<><Child /></>` to `<Child />` and back. This only works a single level deep: for example, going from `<><><Child /></></>` to `<Child />` resets the state. See the precise semantics [here.](https://gist.github.com/clemmy/b3ef00f9507909429d8aa0d3ee4f986b) + +* <CanaryBadge /> If you want to pass `ref` to a Fragment, you can't use the `<>...</>` syntax. You have to explicitly import `Fragment` from `'react'` and render `<Fragment ref={yourRef}>...</Fragment>`. + +--- + +### <CanaryBadge /> `FragmentInstance` {/*fragmentinstance*/} + +When you pass a `ref` to a Fragment, React provides a `FragmentInstance` object. It implements methods for interacting with the first-level DOM children wrapped by the Fragment. + +* [`addEventListener`](#addeventlistener) and [`removeEventListener`](#removeeventlistener) manage event listeners across all first-level DOM children. +* [`dispatchEvent`](#dispatchevent) dispatches an event on the Fragment, which can bubble to the DOM parent. +* [`focus`](#focus), [`focusLast`](#focuslast), and [`blur`](#blur) manage focus across all nested children depth-first. +* [`observeUsing`](#observeusing) and [`unobserveUsing`](#unobserveusing) attach and detach `IntersectionObserver` or `ResizeObserver` instances. +* [`getClientRects`](#getclientrects) returns bounding rectangles of all first-level DOM children. +* [`getRootNode`](#getrootnode) returns the root node of the Fragment's parent. +* [`compareDocumentPosition`](#comparedocumentposition) compares the Fragment's position with another node. +* [`scrollIntoView`](#scrollintoview) scrolls the Fragment's children into view. + +--- + +#### `addEventListener(type, listener, options?)` {/*addeventlistener*/} + +Adds an event listener to all first-level DOM children of the Fragment. + +```js +fragmentRef.current.addEventListener('click', handleClick); +``` + +##### Parameters {/*addeventlistener-parameters*/} + +* `type`: A string representing the event type to listen for (e.g. `'click'`, `'focus'`). +* `listener`: The event handler function. +* **optional** `options`: An options object or boolean for capture, matching the [DOM `addEventListener` API.](https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener) + +##### Returns {/*addeventlistener-returns*/} + +`addEventListener` does not return anything (`undefined`). + +--- + +#### `removeEventListener(type, listener, options?)` {/*removeeventlistener*/} + +Removes an event listener from all first-level DOM children of the Fragment. + +```js +fragmentRef.current.removeEventListener('click', handleClick); +``` + +##### Parameters {/*removeeventlistener-parameters*/} + +* `type`: The event type string. +* `listener`: The event handler function to remove. +* **optional** `options`: An options object or boolean, matching the [DOM `removeEventListener` API.](https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/removeEventListener) + +##### Returns {/*removeeventlistener-returns*/} + +`removeEventListener` does not return anything (`undefined`). + +--- + +#### `dispatchEvent(event)` {/*dispatchevent*/} + +Dispatches an event on the Fragment. Added event listeners are called, and the event can bubble to the Fragment's DOM parent. + +```js +fragmentRef.current.dispatchEvent(new Event('custom', { bubbles: true })); +``` + +##### Parameters {/*dispatchevent-parameters*/} + +* `event`: An [`Event`](https://developer.mozilla.org/en-US/docs/Web/API/Event) object to dispatch. If `bubbles` is `true`, the event bubbles to the Fragment's parent DOM node. + +##### Returns {/*dispatchevent-returns*/} + +`true` if the event was not cancelled, `false` if `preventDefault()` was called. + +--- + +#### `focus(options?)` {/*focus*/} + +Focuses the first focusable DOM node in the Fragment. Unlike calling `element.focus()` on a DOM element, this method searches *all* nested children depth-first until it finds a focusable element—not just the element itself or its direct children. + +```js +fragmentRef.current.focus(); +``` + +##### Parameters {/*focus-parameters*/} + +* **optional** `options`: A [`FocusOptions`](https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/focus#options) object (e.g. `{ preventScroll: true }`). + +##### Returns {/*focus-returns*/} + +`focus` does not return anything (`undefined`). + +--- + +#### `focusLast(options?)` {/*focuslast*/} + +Focuses the last focusable DOM node in the Fragment. Searches nested children depth-first, then iterates in reverse. + +```js +fragmentRef.current.focusLast(); +``` + +##### Parameters {/*focuslast-parameters*/} + +* **optional** `options`: A [`FocusOptions`](https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/focus#options) object. + +##### Returns {/*focuslast-returns*/} + +`focusLast` does not return anything (`undefined`). + +--- + +#### `blur()` {/*blur*/} + +Removes focus from the active element if it is within the Fragment. If `document.activeElement` is not within the Fragment, `blur` does nothing. + +```js +fragmentRef.current.blur(); +``` + +##### Returns {/*blur-returns*/} + +`blur` does not return anything (`undefined`). + +--- + +#### `observeUsing(observer)` {/*observeusing*/} + +Starts observing all first-level DOM children of the Fragment with the provided observer. + +```js +const observer = new IntersectionObserver(callback, options); +fragmentRef.current.observeUsing(observer); +``` + +##### Parameters {/*observeusing-parameters*/} + +* `observer`: An [`IntersectionObserver`](https://developer.mozilla.org/en-US/docs/Web/API/IntersectionObserver) or [`ResizeObserver`](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver) instance. + +##### Returns {/*observeusing-returns*/} + +`observeUsing` does not return anything (`undefined`). + +--- + +#### `unobserveUsing(observer)` {/*unobserveusing*/} + +Stops observing the Fragment's DOM children with the specified observer. + +```js +fragmentRef.current.unobserveUsing(observer); +``` + +##### Parameters {/*unobserveusing-parameters*/} + +* `observer`: The same `IntersectionObserver` or `ResizeObserver` instance previously passed to [`observeUsing`](#observeusing). + +##### Returns {/*unobserveusing-returns*/} + +`unobserveUsing` does not return anything (`undefined`). + +--- + +#### `getClientRects()` {/*getclientrects*/} + +Returns a flat array of [`DOMRect`](https://developer.mozilla.org/en-US/docs/Web/API/DOMRect) objects representing the bounding rectangles of all first-level DOM children. + +```js +const rects = fragmentRef.current.getClientRects(); +``` + +##### Returns {/*getclientrects-returns*/} + +An `Array<DOMRect>` containing the bounding rectangles of all children. + +--- + +#### `getRootNode(options?)` {/*getrootnode*/} + +Returns the root node containing the Fragment's parent DOM node, matching the behavior of [`Node.getRootNode()`](https://developer.mozilla.org/en-US/docs/Web/API/Node/getRootNode). + +```js +const root = fragmentRef.current.getRootNode(); +``` + +##### Parameters {/*getrootnode-parameters*/} + +* **optional** `options`: An object with a `composed` boolean property, matching the [DOM `getRootNode` API.](https://developer.mozilla.org/en-US/docs/Web/API/Node/getRootNode#options) + +##### Returns {/*getrootnode-returns*/} + +A `Document`, `ShadowRoot`, or the `FragmentInstance` itself if there is no parent DOM node. + +--- + +#### `compareDocumentPosition(otherNode)` {/*comparedocumentposition*/} + +Compares the document position of the Fragment with another node, returning a bitmask matching the behavior of [`Node.compareDocumentPosition()`](https://developer.mozilla.org/en-US/docs/Web/API/Node/compareDocumentPosition). + +```js +const position = fragmentRef.current.compareDocumentPosition(otherElement); +``` + +##### Parameters {/*comparedocumentposition-parameters*/} + +* `otherNode`: The DOM node to compare against. + +##### Returns {/*comparedocumentposition-returns*/} + +A bitmask of [position flags](https://developer.mozilla.org/en-US/docs/Web/API/Node/compareDocumentPosition#return_value). Empty Fragments and Fragments with children rendered through a [portal](/reference/react-dom/createPortal) include `Node.DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC` in the result. + +--- + +#### `scrollIntoView(alignToTop?)` {/*scrollintoview*/} + +Scrolls the Fragment's children into view. When `alignToTop` is `true` or omitted, scrolls to align the first child with the top of the scrollable ancestor. When `alignToTop` is `false`, scrolls to align the last child with the bottom. + +```js +fragmentRef.current.scrollIntoView(); +``` + +##### Parameters {/*scrollintoview-parameters*/} + +* **optional** `alignToTop`: A boolean. If `true` (the default), scrolls the first child to the top of the scrollable area. If `false`, scrolls the last child to the bottom. Unlike [`Element.scrollIntoView()`](https://developer.mozilla.org/en-US/docs/Web/API/Element/scrollIntoView), this method does not accept a `ScrollIntoViewOptions` object. + +##### Returns {/*scrollintoview-returns*/} + +`scrollIntoView` does not return anything (`undefined`). + +##### Caveats {/*scrollintoview-caveats*/} + +* `scrollIntoView` does not accept an options object. Passing one throws an error. Use the `alignToTop` boolean instead. +* When the Fragment has no children, `scrollIntoView` scrolls the nearest sibling or parent into view as a fallback. + +--- + +#### `FragmentInstance` Caveats {/*fragmentinstance-caveats*/} + +* Methods that target children (such as `addEventListener`, `observeUsing`, and `getClientRects`) operate on *first-level host (DOM) children* of the Fragment. They do not directly target children nested inside another DOM element. +* `focus` and `focusLast` search nested children depth-first for focusable elements, unlike event and observer methods which only target first-level host children. +* `observeUsing` does not work on text nodes. React logs a warning in development if the Fragment contains only text children. +* React does not apply event listeners added via `addEventListener` to hidden [`<Activity>`](/reference/react/Activity) trees. When an `Activity` boundary switches from hidden to visible, listeners are applied automatically. +* Each first-level DOM child of a Fragment with a `ref` gets a `reactFragments` property—a `Set<FragmentInstance>` containing all Fragment instances that own the element. This enables [caching a shared observer](#caching-global-intersection-observer) across multiple Fragments. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca --- @@ -242,47 +502,324 @@ function PostBody({ body }) { --- +<<<<<<< HEAD ### <CanaryBadge /> DOM interaction-க்கு Fragment refs பயன்படுத்துதல் {/*using-fragment-refs-for-dom-interaction*/} Fragment refs, கூடுதல் wrapper elements சேர்க்காமல் Fragment wrap செய்துள்ள DOM nodes உடன் interact செய்ய அனுமதிக்கின்றன. Event handling, visibility tracking, focus management, மற்றும் `ReactDOM.findDOMNode()` போன்ற deprecated patterns-ஐ மாற்றுவதற்கு இது பயனுள்ளதாகும். +======= +### <CanaryBadge /> Adding event listeners without a wrapper element {/*adding-event-listeners-without-wrapper*/} + +Fragment `ref`s let you add event listeners to a group of elements without adding a wrapper DOM node. Use a [ref callback](/reference/react-dom/components/common#ref-callback) to attach and clean up listeners: + +<Sandpack> +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca ```js -import { Fragment } from 'react'; +import { Fragment, useState, useRef, useEffect } from 'react'; function ClickableFragment({ children, onClick }) { + const fragmentRef = useRef(null); + useEffect(() => { + const fragmentInstance = fragmentRef.current; + if (fragmentInstance === null) { + return; + } + fragmentInstance.addEventListener('click', onClick); + return () => { + fragmentInstance.removeEventListener( + 'click', + onClick + ); + }; + }, [onClick]) return ( - <Fragment ref={fragmentInstance => { - fragmentInstance.addEventListener('click', handleClick); - return () => fragmentInstance.removeEventListener('click', handleClick); - }}> + <Fragment ref={fragmentRef}> {children} </Fragment> ); } + +export default function App() { + const [clicks, setClicks] = useState(0); + + return ( + <> + <p>Total clicks: {clicks}</p> + <ClickableFragment onClick={() => { + setClicks(c => c + 1); + }}> + <button>Button A</button> + <button>Button B</button> + <button>Button C</button> + </ClickableFragment> + </> + ); +} +``` + +```json package.json hidden +{ + "dependencies": { + "react": "canary", + "react-dom": "canary", + "react-scripts": "latest" + } +} +``` + +</Sandpack> + +The `addEventListener` call applies the listener to every first-level DOM child of the Fragment. When children are dynamically added or removed, the `FragmentInstance` automatically adds or removes the listener. + +<DeepDive> + +#### Which children does a Fragment ref target? {/*which-children-does-a-fragment-ref-target*/} + +A `FragmentInstance` targets the **first-level host (DOM) children** of the Fragment. Consider this tree: + +```js +<Fragment ref={ref}> + <div id="A" /> + <Wrapper> + <div id="B"> + <div id="C" /> + </div> + </Wrapper> + <div id="D" /> +</Fragment> ``` + +`Wrapper` is a React component, so the `FragmentInstance` looks through it to find DOM nodes. The targeted children are `A`, `B`, and `D`. `C` is not targeted because it is nested inside the DOM element `B`. + +Methods like `addEventListener`, `observeUsing`, and `getClientRects` operate on these first-level DOM children. `focus` and `focusLast` are different—they search *all* nested children depth-first to find focusable elements. + +</DeepDive> + --- +<<<<<<< HEAD ### <CanaryBadge /> Fragment refs மூலம் visibility track செய்தல் {/*tracking-visibility-with-fragment-refs*/} Visibility tracking மற்றும் intersection observation-க்கு Fragment refs பயனுள்ளவை. Child Components refs expose செய்ய வேண்டிய அவசியமின்றி, content எப்போது visible ஆகிறது என்பதை monitor செய்ய இது உதவுகிறது: +======= +### <CanaryBadge /> Managing focus across a group of elements {/*managing-focus-across-elements*/} + +Fragment `ref`s provide `focus`, `focusLast`, and `blur` methods that operate across all DOM nodes within the Fragment: +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca + +<Sandpack> + +```js +import { Fragment, useRef } from 'react'; + +function FormFields({ children }) { + const fragmentRef = useRef(null); + + return ( + <> + <div className="buttons"> + <button onClick={() => { + fragmentRef.current.focus(); + }}> + Focus first + </button> + <button onClick={() => { + fragmentRef.current.focusLast(); + }}> + Focus last + </button> + <button onClick={() => { + fragmentRef.current.blur(); + }}> + Blur + </button> + </div> + <Fragment ref={fragmentRef}> + {children} + </Fragment> + </> + ); +} + +// Even though the inputs are deeply nested, +// focus() searches depth-first to find them. +export default function App() { + return ( + <FormFields> + <fieldset> + <legend>Shipping</legend> + <label> + Street: <input name="street" /> + </label> + <label> + City: <input name="city" /> + </label> + </fieldset> + </FormFields> + ); +} +``` + +```css +.buttons { + display: flex; + gap: 8px; + margin-bottom: 10px; +} + +label { + display: inline-block; +} +``` + +```json package.json hidden +{ + "dependencies": { + "react": "canary", + "react-dom": "canary", + "react-scripts": "latest" + } +} +``` + +</Sandpack> + +Calling `focus()` focuses the `street` input—even though it is nested inside a `<fieldset>` and `<label>`. `focus()` searches depth-first through all nested children, not just direct children of the Fragment. `focusLast()` does the same in reverse, and `blur()` removes focus if the currently focused element is within the Fragment. + +--- + +### <CanaryBadge /> Scrolling a group of elements into view {/*scrolling-group-into-view*/} -```js {19,21,31-34} -import { Fragment, useRef, useLayoutEffect } from 'react'; +Use `scrollIntoView` to scroll a Fragment's children into view without a wrapper element. Pass `true` (or omit the argument) to scroll the first child to the top. Pass `false` to scroll the last child to the bottom: -function VisibilityObserverFragment({ threshold = 0.5, onVisibilityChange, children }) { +<Sandpack> + +```js +import { Fragment, useRef } from 'react'; + +function ScrollableSection({ children }) { + const fragmentRef = useRef(null); + + return ( + <> + <div className="buttons"> + <button onClick={() => { + fragmentRef.current.scrollIntoView(); + }}> + Scroll to top + </button> + <button onClick={() => { + fragmentRef.current.scrollIntoView(false); + }}> + Scroll to bottom + </button> + </div> + <div className="container"> + <Fragment ref={fragmentRef}> + {children} + </Fragment> + </div> + </> + ); +} + +const items = []; +for (let i = 1; i <= 25; i++) { + items.push('Item ' + i); +} + +export default function App() { + return ( + <ScrollableSection> + <h3>Section Start</h3> + {items.map((item) => ( + <p key={item}>{item}</p> + ))} + <h3>Section End</h3> + </ScrollableSection> + ); +} +``` + +```css +.buttons { + display: flex; + gap: 8px; + margin-bottom: 10px; +} + +.container { + height: 200px; + overflow-y: auto; + border: 2px solid #c4c4c4; + border-radius: 4px; + padding: 10px; +} + +h3 { + margin: 4px 0; + /* Padding to handle offset of global sticky nav when scrolling for example */ + padding-top: 4em; + color: #1a73e8; +} + +p { + margin: 4px 0; +} +``` + +```json package.json hidden +{ + "dependencies": { + "react": "canary", + "react-dom": "canary", + "react-scripts": "latest" + } +} +``` + +</Sandpack> + +--- + +### <CanaryBadge /> Observing visibility without a wrapper element {/*observing-visibility-without-wrapper*/} + +Use `observeUsing` to attach an `IntersectionObserver` to all first-level DOM children of a Fragment. This lets you track visibility without requiring child components to expose `ref`s or adding a wrapper element: + +<Sandpack> + +```js +import { + Fragment, + useRef, + useLayoutEffect, + useState, +} from 'react'; +import Card from './Card'; + +function VisibleGroup({ onVisibilityChange, children }) { const fragmentRef = useRef(null); useLayoutEffect(() => { + const visibleElements = new Set(); const observer = new IntersectionObserver( (entries) => { - onVisibilityChange(entries.some(entry => entry.isIntersecting)) - }, - { threshold } + entries.forEach(e => { + if (e.isIntersecting) { + visibleElements.add(e.target); + } else { + visibleElements.delete(e.target); + } + }); + onVisibilityChange(visibleElements.size > 0); + } ); - - fragmentRef.current.observeUsing(observer); - return () => fragmentRef.current.unobserveUsing(observer); - }, [threshold, onVisibilityChange]); + const fragmentInstance = fragmentRef.current; + fragmentInstance.observeUsing(observer); + return () => { + fragmentInstance.unobserveUsing(observer); + }; + }, [onVisibilityChange]); return ( <Fragment ref={fragmentRef}> @@ -291,20 +828,23 @@ function VisibilityObserverFragment({ threshold = 0.5, onVisibilityChange, child ); } -function MyComponent() { - const handleVisibilityChange = (isVisible) => { - console.log('Component is', isVisible ? 'visible' : 'hidden'); - }; +export default function App() { + const [isVisible, setIsVisible] = useState(true); return ( - <VisibilityObserverFragment onVisibilityChange={handleVisibilityChange}> - <SomeThirdPartyComponent /> - <AnotherComponent /> - </VisibilityObserverFragment> + <div className={isVisible ? 'page visible' : 'page'}> + <div className="filler">Scroll down</div> + <VisibleGroup onVisibilityChange={setIsVisible}> + <Card title="First section" /> + <Card title="Second section" /> + </VisibleGroup> + <div className="filler">Scroll up</div> + </div> ); } ``` +<<<<<<< HEAD இந்த pattern Effect-based visibility logging-க்கு மாற்று; அது பெரும்பாலான சூழல்களில் anti-pattern. Effects மட்டும் நம்புவது, rendered Component user-க்கு observable ஆக இருப்பதை guarantee செய்யாது. --- @@ -312,17 +852,248 @@ function MyComponent() { ### <CanaryBadge /> Fragment refs மூலம் focus management {/*focus-management-with-fragment-refs*/} Fragment refs, Fragment-க்குள் உள்ள அனைத்து DOM nodes முழுவதும் வேலை செய்யும் focus management methods-ஐ வழங்குகின்றன: +======= +```css +.page { + transition: background 0.3s; +} -```js -import { Fragment, useRef } from 'react'; +.page.visible { + background: #d4edda; +} + +.filler { + height: 500px; + display: flex; + align-items: center; + justify-content: center; + color: #aaa; + font-size: 14px; +} + +.card { + padding: 16px; + background: white; + border: 1px solid #ddd; + border-radius: 8px; + margin: 8px 16px; + box-shadow: 0 1px 3px rgba(0,0,0,0.08); + font-weight: 600; + font-size: 14px; +} +``` + +```js src/Card.js hidden +export default function Card({ title }) { + return <div className="card">{title}</div>; +} +``` + +```json package.json hidden +{ + "dependencies": { + "react": "canary", + "react-dom": "canary", + "react-scripts": "latest" + } +} +``` + +</Sandpack> + +--- + +### <CanaryBadge /> Caching a global IntersectionObserver {/*caching-global-intersection-observer*/} + +A common performance optimization for sites with many observers is to share a single IntersectionObserver per config and route its entries to the correct callbacks based on which element intersected. Fragment `ref`s support this same pattern through the `reactFragments` property. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca + +Each first-level DOM child of a Fragment with a `ref` has a `reactFragments` property: a `Set` of `FragmentInstance` objects that contain that element. When the shared observer fires, you can use this property to look up which `FragmentInstance` owns the intersecting element and run the right callbacks. + +<Sandpack> + +```js src/App.js active +import { useState, useCallback } from 'react'; +import ObservedGroup from './ObservedGroup'; +import Card from './Card'; + +export default function App() { + const [bgColor, setBgColor] = useState(null); + + const onGreen = useCallback((entry) => { + if (entry.isIntersecting) { + setBgColor('#d4edda'); + } + }, []); + + const onBlue = useCallback((entry) => { + if (entry.isIntersecting) { + setBgColor('#cce5ff'); + } + }, []); -function FocusFragment({ children }) { return ( - <Fragment ref={(fragmentInstance) => fragmentInstance?.focus()}> + <div className="page" style={{ + background: bgColor || 'white', + }}> + <div className="filler">Scroll down</div> + <ObservedGroup onIntersection={onGreen}> + <Card title="Green section" className="green" /> + </ObservedGroup> + <div className="filler" /> + <ObservedGroup onIntersection={onBlue}> + <Card title="Blue section" className="blue" /> + </ObservedGroup> + <div className="filler">Scroll up</div> + </div> + ); +} +``` + +```js src/ObservedGroup.js +import { + Fragment, + useRef, + useLayoutEffect, +} from 'react'; + +const callbackMap = new WeakMap(); +const observerCache = new Map(); + +function getOptionsKey(options) { + const root = options?.root ?? null; + const rootMargin = options?.rootMargin ?? '0px'; + const threshold = options?.threshold ?? 0; + return `${rootMargin}|${threshold}`; +} + +function getSharedObserver( + fragmentInstance, + onIntersection, + options, +) { + // Register this callback for the + // fragment instance. + const existing = + callbackMap.get(fragmentInstance); + callbackMap.set( + fragmentInstance, + existing + ? [...existing, onIntersection] + : [onIntersection], + ); + + const key = getOptionsKey(options); + if (observerCache.has(key)) { + return observerCache.get(key); + } + + const observer = new IntersectionObserver( + (entries) => { + for (const entry of entries) { + // Look up which FragmentInstances own + // this element. + const fragmentInstances = + entry.target.reactFragments; + if (fragmentInstances) { + for (const inst of fragmentInstances) { + const callbacks = + callbackMap.get(inst) || []; + callbacks.forEach(cb => cb(entry)); + } + } + } + }, + options, + ); + + observerCache.set(key, observer); + return observer; +} + +export default function ObservedGroup({ + onIntersection, + options, + children, +}) { + const fragmentRef = useRef(null); + + useLayoutEffect(() => { + const fragmentInstance = fragmentRef.current; + const observer = getSharedObserver( + fragmentInstance, + onIntersection, + options, + ); + fragmentInstance.observeUsing(observer); + return () => { + fragmentInstance.unobserveUsing(observer); + callbackMap.delete(fragmentInstance); + }; + }, [onIntersection, options]); + + return ( + <Fragment ref={fragmentRef}> {children} </Fragment> ); } ``` +<<<<<<< HEAD `focus()` method Fragment-க்குள் உள்ள முதல் focusable element-ஐ focus செய்கிறது; `focusLast()` கடைசி focusable element-ஐ focus செய்கிறது. +======= +```css +.page { + transition: background 0.3s; +} + +.filler { + height: 500px; + display: flex; + align-items: center; + justify-content: center; + color: #aaa; + font-size: 14px; +} + +.card { + padding: 16px; + background: white; + border: 1px solid #ddd; + border-radius: 8px; + margin: 0 16px; + box-shadow: 0 1px 3px rgba(0,0,0,0.08); + font-weight: 600; + font-size: 14px; +} + +.card.green { + border-left: 3px solid #28a745; +} + +.card.blue { + border-left: 3px solid #007bff; +} +``` + +```js src/Card.js hidden +export default function Card({ title, className }) { + return <div className={'card' + (className ? ' ' + className : '')}>{title}</div>; +} +``` + +```json package.json hidden +{ + "dependencies": { + "react": "canary", + "react-dom": "canary", + "react-scripts": "latest" + } +} +``` + +</Sandpack> + +Multiple `ObservedGroup` components with the same options reuse a single `IntersectionObserver`. When either section scrolls into view, the shared observer fires and uses `reactFragments` to route the entry to the correct callback. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca diff --git a/src/content/reference/react/Suspense.md b/src/content/reference/react/Suspense.md index c315b637d..c865ab769 100644 --- a/src/content/reference/react/Suspense.md +++ b/src/content/reference/react/Suspense.md @@ -24,11 +24,18 @@ title: <Suspense> ### `<Suspense>` {/*suspense*/} #### Props {/*props*/} +<<<<<<< HEAD * `children`: நீங்கள் render செய்ய நினைக்கும் உண்மையான UI. rendering நடக்கும் போது `children` suspend ஆனால், Suspense boundary `fallback`-ஐ render செய்வதற்கு மாறும். * `fallback`: உண்மையான UI loading முடிக்கவில்லை என்றால், அதன் இடத்தில் render செய்யப்படும் மாற்று UI. எந்த செல்லுபடியான React node-ஐயும் ஏற்கலாம்; நடைமுறையில் fallback என்பது loading spinner அல்லது skeleton போன்ற இலகுவான placeholder view ஆக இருக்கும். `children` suspend ஆகும்போது Suspense தானாகவே `fallback`-க்கு மாறி, data தயாரானதும் மீண்டும் `children`-க்கு திரும்பும். rendering நடக்கும் போது `fallback` suspend ஆனால், அது அருகிலுள்ள parent Suspense boundary-ஐ இயக்கும். +======= +* `children`: The actual UI you intend to render. If `children` suspends while rendering, the Suspense boundary will switch to rendering `fallback`. +* `fallback`: An alternate UI to render in place of the actual UI if it has not finished loading. Any valid React node is accepted, though in practice, a fallback is a lightweight placeholder view, such as a loading spinner or skeleton. Suspense will automatically switch to `fallback` when `children` suspends, and back to `children` when the data is ready. If `fallback` suspends while rendering, it will activate the closest parent Suspense boundary. +* <ExperimentalBadge /> **optional** `defer`: A boolean. When `true`, React may show the `fallback` first and render or stream `children` later, even when nothing in them suspends. Use it for content that is expensive to render. Defaults to `false`. +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca #### கவனிக்க வேண்டியவை {/*caveats*/} +<<<<<<< HEAD - முதல் முறையாக mount ஆகும் முன்பே suspend ஆன renders-க்காக React எந்த state-ஐயும் பாதுகாக்காது. component load ஆனதும், suspend ஆன tree-ஐ React ஆரம்பத்திலிருந்து மீண்டும் render செய்ய முயலும். - Suspense ஏற்கனவே tree-க்கான content-ஐக் காட்டிக் கொண்டிருந்தபோது அது மீண்டும் suspend ஆனால், அந்த update [`startTransition`](/reference/react/startTransition) அல்லது [`useDeferredValue`](/reference/react/useDeferredValue) மூலம் ஏற்பட்டதல்ல என்றால் `fallback` மீண்டும் காட்டப்படும். - மீண்டும் suspend ஆனதால் ஏற்கனவே தெரியும் content-ஐ React மறைக்க வேண்டியிருந்தால், content tree-இல் உள்ள [layout Effects](/reference/react/useLayoutEffect)-ஐ அது clean up செய்யும். content மீண்டும் காட்டத் தயாரானதும், React layout Effects-ஐ மீண்டும் fire செய்யும். இதனால் DOM layout-ஐ அளக்கும் Effects, content மறைக்கப்பட்டிருக்கும்போது அதைச் செய்ய முயலாது. @@ -37,6 +44,42 @@ title: <Suspense> --- ## பயன்பாடு {/*usage*/} +======= +- Suspense does not detect when data is fetched inside an Effect or event handler. It only activates in the [cases listed below.](#what-activates-a-suspense-boundary) +- React does not preserve any state for renders that got suspended before they were able to mount for the first time. When the component has loaded, React will retry rendering the suspended tree from scratch. +- If Suspense was displaying content for the tree, but then it suspended again, the `fallback` will be shown again unless the update causing it was caused by [`startTransition`](/reference/react/startTransition) or [`useDeferredValue`](/reference/react/useDeferredValue). +- React reveals suspended content at most once every 300ms, measured from the last reveal. Boundaries that become ready within that window are [revealed together](/blog/2025/10/01/react-19-2#batching-suspense-boundaries-for-ssr) rather than one at a time. +- If React needs to hide the already visible content because it suspended again, it will clean up [layout Effects](/reference/react/useLayoutEffect) in the content tree. When the content is ready to be shown again, React will fire the layout Effects again. This ensures that Effects measuring the DOM layout don't try to do this while the content is hidden. +- React includes under-the-hood optimizations like *Streaming Server Rendering* and *Selective Hydration* that are integrated with Suspense. Read [an architectural overview](https://github.com/reactwg/react-18/discussions/37) and watch [a technical talk](https://www.youtube.com/watch?v=pj5N-Khihgc) to learn more. + +--- + +### What activates a Suspense boundary {/*what-activates-a-suspense-boundary*/} + +A Suspense boundary waits for its content to be ready before revealing it. Any of the following keeps a boundary from revealing its content: + +- Lazy-loading component code with [`lazy`](/reference/react/lazy). +- Reading a Promise with [`use`](/reference/react/use), including data streamed from [Server Components](/reference/rsc/server-components) or loaded through a [Suspense-enabled framework](#suspense-enabled-frameworks). +- Loading a stylesheet rendered with [`<link rel="stylesheet">` and a `precedence` prop.](/reference/react-dom/components/link#special-rendering-behavior) React blocks the boundary until the stylesheet loads, up to a timeout. [See an example below.](#waiting-for-a-stylesheet-to-load) +- Waiting for a large boundary's HTML to arrive during streaming server rendering. Sending HTML takes time, so a boundary with enough content activates even when nothing in it suspends. React reveals the content as the HTML arrives. +- <CanaryBadge /> Loading fonts. Suspense doesn't wait for fonts by default, but a [`<ViewTransition>`](/reference/react/ViewTransition) update waits for new fonts to load, up to a timeout, so text doesn't flash with a fallback font. [See an example below.](#waiting-for-a-font-to-load) +- <CanaryBadge /> Loading images. Suspense doesn't wait for images by default, but during a [`<ViewTransition>`](/reference/react/ViewTransition) update, React blocks the boundary until the image loads, up to a timeout. Adding an `onLoad` handler opts a specific image out. [See an example below.](#waiting-for-an-image-to-load) +- <ExperimentalBadge /> Performing CPU-bound render work inside a [`<Suspense defer>`](#props) boundary. + +<Note> + +#### Suspense-enabled frameworks {/*suspense-enabled-frameworks*/} + +A *Suspense-enabled framework* gives you a way to read data in your component in a way that activates the closest Suspense boundary. The exact way you load your data depends on your framework, and you'll find the details in its documentation. Under the hood, a Suspense-enabled framework maintains a cache of Promises and calls [`use`](/reference/react/use) to suspend on a Promise. + +Without a framework, you can read a Promise with `use` directly, as long as the Promise is [cached so the same instance is reused across renders.](/reference/react/use#caching-promises-for-client-components) + +</Note> + +--- + +## Usage {/*usage*/} +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca ### content loading ஆகும்போது fallback காட்டுதல் {/*displaying-a-fallback-while-content-is-loading*/} @@ -203,8 +246,9 @@ async function getAlbums() { </Sandpack> -<Note> +By contrast, code that fetches data outside of `use`, such as inside an Effect, does not activate the boundary: +<<<<<<< HEAD **Suspense-enabled data sources மட்டுமே Suspense component-ஐ இயக்கும்.** அவற்றில் அடங்குபவை: - [Relay](https://relay.dev/docs/guided-tour/rendering/loading-states/) மற்றும் [Next.js](https://nextjs.org/docs/app/building-your-application/routing/loading-ui-and-streaming#streaming-with-suspense) போன்ற Suspense-enabled frameworks மூலம் data fetching @@ -216,8 +260,256 @@ async function getAlbums() { மேலுள்ள `Albums` component-இல் data-ஐ நீங்கள் எப்படி load செய்வீர்கள் என்பது உங்கள் framework-ஐப் பொறுத்தது. Suspense-enabled framework ஒன்றைப் பயன்படுத்தினால், அதன் data fetching documentation-இல் விவரங்களைக் காணலாம். opinionated framework ஒன்றைப் பயன்படுத்தாமல் Suspense-enabled data fetching செய்வது இன்னும் ஆதரிக்கப்படவில்லை. Suspense-enabled data source ஒன்றை implement செய்வதற்கான தேவைகள் நிலையாகவும் documentation உடனும் இல்லை. data sources-ஐ Suspense உடன் ஒருங்கிணைக்க ஒரு official API React-ன் எதிர்கால பதிப்பில் வெளியிடப்படும். +======= +<Sandpack> -</Note> +```js src/App.js hidden +import { useState } from 'react'; +import ArtistPage from './ArtistPage.js'; + +export default function App() { + const [show, setShow] = useState(false); + if (show) { + return ( + <ArtistPage + artist={{ + id: 'the-beatles', + name: 'The Beatles', + }} + /> + ); + } else { + return ( + <button onClick={() => setShow(true)}> + Open The Beatles artist page + </button> + ); + } +} +``` + +```js src/ArtistPage.js active +import { Suspense } from 'react'; +import EffectAlbums from './EffectAlbums.js'; + +export default function ArtistPage({ artist }) { + return ( + <> + <h1>{artist.name}</h1> + <Suspense fallback={<Loading />}> + <EffectAlbums artistId={artist.id} /> + </Suspense> + </> + ); +} +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca + +function Loading() { + return <h2>🌀 Loading...</h2>; +} +``` + +```js src/EffectAlbums.js +import { useState, useEffect } from 'react'; +import { fetchData } from './data.js'; + +export default function EffectAlbums({ artistId }) { + const [albums, setAlbums] = useState([]); + + useEffect(() => { + let active = true; + fetchData(`/${artistId}/albums`).then(result => { + if (active) { + setAlbums(result); + } + }); + return () => { + active = false; + }; + }, [artistId]); + + // Suspense can't see this fetch, so its fallback never + // shows. The list stays empty until the data arrives. + return ( + <ul> + {albums.map(album => ( + <li key={album.id}> + {album.title} ({album.year}) + </li> + ))} + </ul> + ); +} +``` + +```js src/data.js hidden +// Note: the way you would do data fetching depends on +// the framework that you use together with Suspense. +// Normally, the caching logic would be inside a framework. + +let cache = new Map(); + +export function fetchData(url) { + if (!cache.has(url)) { + cache.set(url, getData(url)); + } + return cache.get(url); +} + +async function getData(url) { + if (url === '/the-beatles/albums') { + return await getAlbums(); + } else { + throw Error('Not implemented'); + } +} + +async function getAlbums() { + // Add a fake delay to make waiting noticeable. + await new Promise(resolve => { + setTimeout(resolve, 3000); + }); + + return [{ + id: 13, + title: 'Let It Be', + year: 1970 + }, { + id: 12, + title: 'Abbey Road', + year: 1969 + }, { + id: 11, + title: 'Yellow Submarine', + year: 1969 + }, { + id: 10, + title: 'The Beatles', + year: 1968 + }, { + id: 9, + title: 'Magical Mystery Tour', + year: 1967 + }, { + id: 8, + title: 'Sgt. Pepper\'s Lonely Hearts Club Band', + year: 1967 + }, { + id: 7, + title: 'Revolver', + year: 1966 + }, { + id: 6, + title: 'Rubber Soul', + year: 1965 + }, { + id: 5, + title: 'Help!', + year: 1965 + }, { + id: 4, + title: 'Beatles For Sale', + year: 1964 + }, { + id: 3, + title: 'A Hard Day\'s Night', + year: 1964 + }, { + id: 2, + title: 'With The Beatles', + year: 1963 + }, { + id: 1, + title: 'Please Please Me', + year: 1963 + }]; +} +``` + +</Sandpack> + +During streaming server rendering, a boundary also activates while its HTML is still streaming in. With any streaming server rendering API, React sends [the shell](/reference/react-dom/server/renderToPipeableStream#specifying-what-goes-into-the-shell) with the `fallback` first, then streams in each boundary's HTML and swaps out its `fallback` as that content arrives. Press "Render the page" to watch the page stream in: + +<Sandpack> + +```js src/App.js hidden +``` + +```html public/index.html +<!DOCTYPE html> +<html lang="en"> +<head> + <meta charset="UTF-8" /> + <title>Streaming SSR + + + +

+ + + +``` + +```js src/index.js +import { flushReadableStreamToFrame } from './demo-helpers.js'; +import { Suspense, use } from 'react'; +import { renderToReadableStream } from 'react-dom/server'; + +let posts = null; + +function Posts() { + const text = use(posts.promise); + return

{text}

; +} + +function ProfilePage() { + return ( + + +

Alice

+

Photographer and traveler.

+ ⌛ Loading posts...

}> + + + + + ); +} + +async function main(frame) { + posts = Promise.withResolvers(); + const stream = await renderToReadableStream(); + + // The posts resolve after the shell has streamed, so React + // streams their HTML in and swaps out the fallback. + setTimeout(() => { + posts.resolve( + 'Just got back from two weeks along the coast. The drive ' + + 'was longer than expected, but every stop was worth it. ' + + 'A full write-up and more photos are coming soon.' + ); + }, 1500); + + await flushReadableStreamToFrame(stream, frame); +} + +document.getElementById('render').addEventListener('click', () => { + main(document.getElementById('container')); +}); +``` + +```js src/demo-helpers.js hidden +export async function flushReadableStreamToFrame(readable, frame) { + const doc = frame.contentWindow.document; + const decoder = new TextDecoder(); + for await (const chunk of readable) { + doc.write(decoder.decode(chunk, { stream: true })); + } + doc.close(); +} +``` + + --- @@ -1987,15 +2279,108 @@ main { ### navigation-இல் Suspense boundaries-ஐ reset செய்தல் {/*resetting-suspense-boundaries-on-navigation*/} +<<<<<<< HEAD Transition நடக்கும் போது, ஏற்கனவே வெளிப்பட்ட content மறைக்கப்படுவதை React தவிர்க்கும். ஆனால் வேறு parameters உள்ள route-க்கு navigate செய்தால், அது *வேறு* content என்று React-க்கு தெரிவிக்க வேண்டியிருக்கலாம். இதை `key` மூலம் வெளிப்படுத்தலாம்: +======= +During a Transition, React avoids hiding already revealed content. However, when you navigate to *different* content, such as another user's profile, you'll want the boundary to show the fallback instead of the previous content. You can express this with a `key`: +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca ```js ``` +<<<<<<< HEAD ஒரு பயனரின் profile page-க்குள் நீங்கள் navigate செய்கிறீர்கள், அப்போது ஏதாவது suspend ஆகிறது என்று கற்பனை செய்யுங்கள். அந்த update Transition-க்குள் wrap செய்யப்பட்டிருந்தால், ஏற்கனவே தெரியும் content-க்கு fallback-ஐ trigger செய்யாது. அதுதான் எதிர்பார்க்கப்படும் behavior. ஆனால் இப்போது நீங்கள் இரண்டு வெவ்வேறு user profiles-க்கு இடையில் navigate செய்கிறீர்கள் என்று கற்பனை செய்யுங்கள். அப்படியானால் fallback-ஐக் காட்டுவது பொருத்தமானது. எடுத்துக்காட்டாக, ஒரு user-ன் timeline மற்றொரு user-ன் timeline-இலிருந்து *வேறு content* ஆகும். `key` குறிப்பிடுவதன் மூலம், வெவ்வேறு users-ன் profiles-ஐ React வெவ்வேறு components ஆக நடத்தி, navigation நடக்கும் போது Suspense boundaries-ஐ reset செய்வதை உறுதி செய்கிறீர்கள். Suspense-integrated routers இதை தானாகச் செய்ய வேண்டும். +======= +With a different `key`, React treats the profiles as different content and resets the Suspense boundary during navigation. The `key` can go on the boundary itself or on a component above it. Suspense-integrated routers should do this automatically. + +In the example below, opening the profile page loads the first profile. Pressing "Bob" navigates to a different profile, and the `key` resets the boundary, so the fallback shows instead of the previous user's bio. Try removing the `key`: the previous bio stays visible while the next one loads: + + + +```js src/App.js hidden +import { useState } from 'react'; +import ProfilePage from './ProfilePage.js'; + +export default function App() { + const [show, setShow] = useState(false); + if (show) { + return ; + } + return ( + + ); +} +``` + +```js src/ProfilePage.js active +import { Suspense, useState, startTransition } from 'react'; +import Bio from './Bio.js'; +import { fetchBio } from './data.js'; + +export default function ProfilePage() { + const [user, setUser] = useState(() => ({ + id: 'alice', + bioPromise: fetchBio('alice'), + })); + function navigate(id) { + startTransition(() => { + setUser({ id, bioPromise: fetchBio(id) }); + }); + } + return ( + <> + + + ⌛ Loading profile...

}> + + + + ); +} +``` + +```js src/Bio.js +import { use } from 'react'; + +export default function Bio({ bioPromise }) { + const bio = use(bioPromise); + return

{bio}

; +} +``` + +```js src/data.js hidden +// Note: the way you would do data fetching depends on +// the framework that you use together with Suspense. + +export async function fetchBio(userId) { + // Add a fake delay to make waiting noticeable. + await new Promise(resolve => { + setTimeout(resolve, 1500); + }); + + return userId === 'alice' + ? 'Alice is a photographer and traveler.' + : 'Bob collects vintage synthesizers.'; +} +``` + +```css +button { + margin-right: 8px; +} +``` + + +>>>>>>> 6be2b020a0cabf2fd6dbff5c42c399b8ac323bca --- @@ -2024,6 +2409,871 @@ server HTML-இல் loading indicator இருக்கும். client-இ --- +### Waiting for a stylesheet to load {/*waiting-for-a-stylesheet-to-load*/} + +A stylesheet rendered with [`` and a `precedence` prop](/reference/react-dom/components/link#special-rendering-behavior) blocks the Suspense boundary until the stylesheet loads, up to a timeout, so the content doesn't appear unstyled. + +In the example below, the `Card` component renders a stylesheet with `precedence`. Press "Show card": React shows the fallback until the stylesheet has loaded, and then reveals the card with its styles applied. + +For comparison, the second button performs the same update without React, in a separate document. Nothing waits for the stylesheet, so the card's text appears in a fallback font first and then switches: + + + +```js +import { Suspense, useState, startTransition } from 'react'; +import { freshStylesheetUrl } from './styles.js'; +import VanillaCard from './VanillaCard.js'; + +function Card({ href }) { + return ( + <> + +
This card uses a font from the stylesheet.
+ + ); +} + +export default function App() { + const [href, setHref] = useState(null); + return ( + <> + + {href && ( + ⌛ Loading styles...

}> + + + )} +
+ + + ); +} +``` + +```js src/VanillaCard.js +import { useRef } from 'react'; +import { freshStylesheetUrl } from './styles.js'; + +export default function VanillaCard() { + const ref = useRef(null); + function show() { + const doc = ref.current.contentWindow.document; + doc.open(); + doc.write(` + +
This card uses a font from the stylesheet.
+ + `); + doc.close(); + } + return ( + <> + +