react-scripts 4 on React 17 no longer builds on a current toolchain. Move to Vite 8 with React 19 and TypeScript 7, and take the same shape as the other converted sites. - react-router-dom v5 -> react-router v8: Switch/Redirect become Routes/Navigate, and withRouter gives way to useLocation and useNavigate; the original /modules/... addresses are kept - swap the unmaintained dependencies: axios -> ky, react-html-parser -> @orrisroot/react-html-parser, react-ga -> react-ga4, react-helmet -> @dr.pogodin/react-helmet, moment -> date-fns, react-spinner-material -> a CSS spinner, and a local HashLink in place of react-router-hash-link - drop react-app-polyfill, the jest setup, xregexp and the unused async-lock, rc-tree, react-overlays and react-image-lightbox - replace ESLint with Biome, yarn with npm, and match the other sites' tsconfigs and sanitize.css base stylesheet - serve static-contents/ next to the repository with sirv in the dev and preview servers, keeping it out of dist/ - convert the page components to function components; each module loads its index once, sharing the request under StrictMode - resolve relative links in page bodies the way a browser does, since react-router 8 resolves them against the route hierarchy - fix the glossary search restricted to a category, whose query matched nothing - set the GA4 measurement ID replacing the shut-down UA property - correct the keywords meta tag copied from dynamicbrain - write down the data layout and the deployment procedure
28 lines
457 B
CSS
28 lines
457 B
CSS
.container {
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display: flex;
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justify-content: center;
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align-content: center;
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margin: 100px 0;
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}
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.spinner {
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width: 120px;
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height: 120px;
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border: 8px solid #eeeeee;
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border-top-color: #cccccc;
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border-radius: 50%;
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animation: spin 1s linear infinite;
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}
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@keyframes spin {
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to {
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transform: rotate(360deg);
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}
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}
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@media (prefers-reduced-motion: reduce) {
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.spinner {
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animation-duration: 4s;
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}
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}
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