@tenedev/tsconfig

Shared TypeScript configuration

Install

npm i -D @tenedev/tsconfig

Requires TypeScript ^7

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