Website: upgrade TypeScript 5 -> 6#14700
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typescript 5.9.3 -> 6.0.3 TypeScript 6 surfaced a few issues that 5.x masked (it no longer auto-includes every @types package): - The code uses es2016-es2019 APIs (Array.includes, Object.entries/ values/fromEntries) but lib was pinned to es2015. Bumped target/lib to es2020. This is type-check only; Vite transpiles using its own browserslist target, so the shipped bundles are byte-identical. - moduleResolution "node" (node10) is deprecated in TS 6; switched to "bundler", which is the correct fit for a Vite project. - Added a module declaration for the '@docsearch/css' side-effect import. npm run check passes; build output (JS/CSS asset hashes, HTML, RSS) is unchanged. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Upgrades
typescript5.9.3 → 6.0.3.TypeScript 6 no longer auto-includes every
@typespackage and is stricter, which surfaced a few latent issues that 5.x had masked:Array.includes,Object.entries/values/fromEntries) whilelibwas pinned toes2015. Bumpedtarget/libtoes2020. This is type-check only — Vite transpiles using its own browserslist target, so the shipped JS/CSS bundles are byte-identical (verified: asset hashes unchanged).moduleResolution: "node"(node10) is deprecated in TS 6 and removed in TS 7. Switched to"bundler", the correct fit for a Vite-bundled project.declare module '@docsearch/css';ambient declaration (next to the existing one inuntyped.d.ts).Verification
npm run checkpasses (tsc 6 + ESLint).🤖 Generated with Claude Code