Upgrade data-driven-dependencies to Next.js 16, App Router, and TypeScript#349
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captbaritone merged 2 commits intoJun 16, 2026
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Migrate from Pages Router to App Router, upgrade Next.js to 16 and React to 19, and simplify the Relay integration. - Replace getServerSideProps + manual PreloadedQuery with useLazyLoadQuery - Replace pages/ with app/ directory (layout, providers, route handler) - Remove deprecated experimental flags, serverRuntimeConfig, webpack alias - Fix deprecated Link child <a> pattern - Bump dependency versions (next, react, prettier, concurrently, etc.)
Rename all source files from .js/.mjs to .tsx/.ts, add type annotations, and configure Relay compiler for TypeScript output. - Add typescript, tsx, @types/react, @types/react-dom, @types/node - Update relay.config.json: language typescript, eagerEsModules true - Add Relay fragment key types to component props - Type ErrorBoundary, moduleLoader, network, and LayoutComponents - Use tsx for schema generation script - Fix allBlogPosts to respect the `first` argument
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Summary
pages/→app/)getServerSideProps+ manualPreloadedQueryhydration withuseLazyLoadQueryexperimental.runtime,serverRuntimeConfig, webpack React alias)allBlogPoststo respect thefirstargument<Link><a>nesting patternTest plan
yarn devstarts without errorsfirstcount@modulecomponents