@tenedev/tsconfig

Shared TypeScript configuration

Install

npm i -D @tenedev/tsconfig

Requires TypeScript ^6

Usage

Extend it in your tsconfig.json:

{
  "extends": "@tenedev/tsconfig",
  "compilerOptions": {
    "rootDir": "src",
    "outDir": "dist",
  },
  "include": ["src"],
}

What's included

Environment

| Option | Value | Description | | ------------------ | ---------------------------------------------- | ------------------------------------------------------------------------------------------------------------- | | target | esnext | Compile to latest JS syntax | | module | esnext | Emits native ES module syntax without transforming imports/exports | | moduleResolution | bundler | Uses bundler-style resolution, bypassing Node ESM extension requirements and supporting flexible import paths | | lib | ESNext, DOM, DOM.Iterable, DOM.AsyncIterable | Full browser + modern JS type definitions |

Strict & Safety

| Option | Description | | ------------------------------------ | ---------------------------------------------- | | strict | Enables all strict checks | | alwaysStrict | Emits "use strict" in every file | | noImplicitAny | Error when TS infers any | | noImplicitOverride | Must use override keyword in class methods | | noImplicitReturns | All code paths must return | | noFallthroughCasesInSwitch | No accidental switch fallthrough | | noUnusedLocals | Error on unused variables | | noUnusedParameters | Error on unused function params | | noUncheckedIndexedAccess | Index access returns T \| undefined | | noPropertyAccessFromIndexSignature | Must use bracket notation for index types | | exactOptionalPropertyTypes | Optional props can't be explicitly undefined | | useUnknownInCatchVariables | Catch variables are unknown not any | | allowUnreachableCode | Error on unreachable code | | allowUnusedLabels | Error on unused labels | | noErrorTruncation | Full type printed in error messages |

Interop

| Option | Description | | ---------------------------------- | -------------------------------------------------- | | verbatimModuleSyntax | Enforces import type at syntax level | | esModuleInterop | Default imports from CJS modules | | allowSyntheticDefaultImports | import x from 'y' without default export | | allowJs | Allows .js files in project | | allowImportingTsExtensions | Import .ts files with extension | | importHelpers | Uses tslib instead of inlining helpers | | resolveJsonModule | Import .json files | | isolatedModules | Each file transpilable independently | | forceConsistentCasingInFileNames | Error on casing mismatches in imports | | skipLibCheck | Skip type checking of node_modules .d.ts files |

Output

| Option | Description | | ---------------- | --------------------------------- | | declaration | Generates .d.ts files | | declarationMap | Generates .d.ts.map source maps | | sourceMap | Generates .js.map source maps | | noEmit | No file output - use your bundler |