Module resolution determines how TypeScript maps import specifiers to files. Strategies: Classic, Node, Node16/NodeNext, and Bundler. Key concepts: moduleResolution, module, paths mapping, package.json exports, and the relationship between TypeScript resolution and bundler resolution (Webpack, Vite, esbuild).
The 5-Mode Loop
4 of 5 modes available
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Master the theory
Before this, understand: tsconfig