{ "compilerOptions": { /* Basic Options */ "target": "es5" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', or 'ESNEXT'. */, "module": "commonjs" /* Specify module code generation: 'commonjs', 'amd', 'system', 'umd' or 'es2015'. */, "lib": [] /* Specify library files to be included in the compilation: */, "allowJs": true /* Allow JavaScript files to be compiled. */, "checkJs": true /* Report errors in .js files. */, "jsx": "preserve" /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */, "declaration": true /* Generates corresponding '.d.ts' file. */, "sourceMap": true /* Generates corresponding '.map' file. */, "outFile": "./" /* Concatenate and emit output to single file. */, "outDir": "./" /* Redirect output structure to the directory. */, "rootDir": "./" /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */, "removeComments": true /* Do not emit comments to output. */, "noEmit": true /* Do not emit outputs. */, "importHelpers": true /* Import emit helpers from 'tslib'. */, "downlevelIteration": true /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */, "isolatedModules": true /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */, /* Strict Type-Checking Options */ "strict": true /* Enable all strict type-checking options. */, "noImplicitAny": true /* Raise error on expressions and declarations with an implied 'any' type. */, "strictNullChecks": true /* Enable strict null checks. */, "noImplicitThis": true /* Raise error on 'this' expressions with an implied 'any' type. */, "alwaysStrict": true /* Parse in strict mode and emit "use strict" for each source file. */, /* Additional Checks */ "noUnusedLocals": true /* Report errors on unused locals. */, "noUnusedParameters": true /* Report errors on unused parameters. */, "noImplicitReturns": true /* Report error when not all code paths in function return a value. */, "noFallthroughCasesInSwitch": true /* Report errors for fallthrough cases in switch statement. */, /* Module Resolution Options */ "moduleResolution": "node" /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */, "baseUrl": "./" /* Base directory to resolve non-absolute module names. */, "paths": {} /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */, "rootDirs": [] /* List of root folders whose combined content represents the structure of the project at runtime. */, "typeRoots": [] /* List of folders to include type definitions from. */, "types": [] /* Type declaration files to be included in compilation. */, "allowSyntheticDefaultImports": true /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */, /* Source Map Options */ "sourceRoot": "./" /* Specify the location where debugger should locate TypeScript files instead of source locations. */, "mapRoot": "./" /* Specify the location where debugger should locate map files instead of generated locations. */, "inlineSourceMap": true /* Emit a single file with source maps instead of having a separate file. */, "inlineSources": true /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */, /* Experimental Options */ "experimentalDecorators": true /* Enables experimental support for ES7 decorators. */, "emitDecoratorMetadata": true /* Enables experimental support for emitting type metadata for decorators. */ } }