Shared TypeScript configuration
npm i -D @tenedev/tsconfigRequires TypeScript
^6
Extend it in your tsconfig.json:
| 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 |
| 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 |
| 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 |
| 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 |
{ "extends": "@tenedev/tsconfig", "compilerOptions": { "rootDir": "src", "outDir": "dist", }, "include": ["src"], }