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TypeScript does not support importing .ts file extensions
5/10 MediumTypeScript does not allow developers to import modules with explicit .ts extensions, unlike standard ECMAScript/JavaScript practices. This forces module resolution traversal which is particularly slow over networks, and contradicts TypeScript's own design where the team knows .ts files must be transpiled to .js anyway.
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Query: “What are the most common pain points with TypeScript in 2025?”3/27/2026
TypeScript do not support if you add the .ts extension. It does not rename dependency specifiers... The TypeScript team 100% know the ".ts" extension is their own file-extension and it is extremely likely if someone want to import a ".ts" file from a TypeScript file, is the file very likely a TypeScript file.
Created: 3/27/2026Updated: 3/27/2026