tsconfig.json
{
// see https://www.typescriptlang.org/tsconfig to better understand tsconfigs
"include": ["src", "types"],
"compilerOptions": {
"module": "esnext",
"lib": ["dom", "esnext"],
"importHelpers": true,
// output .d.ts declaration files for consumers
"declaration": true,
// output .js.map sourcemap files for consumers
"sourceMap": true,
// match output dir to input dir. e.g. dist/index instead of dist/src/index
"rootDir": "./src",
// stricter type-checking for stronger correctness. Recommended by TS
"strict": true,
// linter checks for common issues
"noImplicitReturns": true,
"noFallthroughCasesInSwitch": true,
// noUnused* overlap with @typescript-eslint/no-unused-vars, can disable if duplicative
"noUnusedLocals": true,
"noUnusedParameters": true,
// use Node's module resolution algorithm, instead of the legacy TS one
"moduleResolution": "node",
// transpile JSX to React.createElement
"jsx": "react",
// interop between ESM and CJS modules. Recommended by TS
"esModuleInterop": true,
// significant perf increase by skipping checking .d.ts files, particularly those in node_modules. Recommended by TS
"skipLibCheck": true,
// error out if import and file system have a casing mismatch. Recommended by TS
"forceConsistentCasingInFileNames": true,
// `tsdx build` ignores this option, but it is commonly used when type-checking separately with `tsc`
"noEmit": true,
}
}