{ "compilerOptions": { // Enables all strict type checking options. "strict": true, // Library files to be included in the compilation. Basically which "core // language features" TypeScript should enable. "lib": ["es2015", "es2016", "es2017"], // Which version of EcmaScript TypeScript should transpile to. Because of // how Babel and Webpack is set up we currently target `esnext`, and let // Babel take care of transpiling it down. "target": "esnext", // Specifies module code generation. "module": "esnext", // Allows default imports from modules with no default export. This does not affect code emit, just type checking. // We have to enable this option explicitly since `esModuleInterop` doesn't enable it automatically when ES2015 or // ESNext module format is used. "allowSyntheticDefaultImports": true, // Emits __importStar and __importDefault helpers for runtime babel ecosystem compatibility. "esModuleInterop": true, // Resolve modules in the same way as Node.js. Aka make `require` works the // same in TypeScript as it does in Node.js. "moduleResolution": "node", // Disallow inconsistently-cased references to the same file. "forceConsistentCasingInFileNames": true, // Generate an external source map. There's also an `--inlineSourceMap` for // emitting a single file with source maps instead of having a separate file. "sourceMap": true }, "exclude": [ "node_modules" ] }