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tsconfig_README.md

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Documentation of certain tsconfig.json properties

compileOnSave (true | false)

true automatically build files in Visual Studio (Code), in combination with the watch option.

compilerOptions.declaration (true | false)

true emits d.ts files.

compilerOptions.noEmitOnError (true | false)

false prevents compilation of faulty code.

compilerOptions.noImplicitAny (true | false)

true enforces stricter type checking. false is usually enough.

compilerOptions.sourceMap / compilerOptions.inlineSourceMap (true | false)

Source maps are for debugging.
Use EITHER sourceMap = true (generates .map file) or inlineSourceMap = true (includes map files in js files), NOT both. If you have problems finding the right lines while debugging, try switching the source map types.
You can also disable them for less output.

compilerOptions.target ("es5", "es6", "...")

  • "es5" compiles to "old" JavaScript.
  • You can choose "es6" for NodeJS 6+

compilerOptions.lib

Choose lib ["es6"] for native Promise support in NodeJS 4+. You can omit this if you only target es6+

compilerOptions.watch (true | false)

true watches file system and triggers compilation on changes. Supported in Visual Studio Code. Not supported in Visual Studio - omit this option if neccessary.