Syntax: tsc [ options ] [ file .. . ]
Examples: tsc hello.ts
tsc --outFile file.js file.ts
tsc @args.txt
tsc --build tsconfig.json
Options:
--all Show all compiler options.
--allowJs Allow javascript files to be compiled.
--allowSyntheticDefaultImports Allow default imports from modules with no default export. This does not affect code emit, just typechecking.
--allowUmdGlobalAccess Allow accessing UMD globals from modules.
--allowUnreachableCode Do not report errors on unreachable code.
--allowUnusedLabels Do not report errors on unused labels.
--alwaysStrict Parse in strict mode and emit "use strict" for each source file.
--baseUrl Base directory to resolve non-absolute module names.
-b, --build Build one or more projects and their dependencies, if out of date
--charset The character set of the input files.
--checkJs Report errors in .js files.
--composite Enable project compilation
-d, --declaration Generates corresponding '.d.ts' file.
--declarationDir DIRECTORY Output directory for generated declaration files.
--declarationMap Generates a sourcemap for each corresponding '.d.ts' file.
--diagnostics Show diagnostic information.
--disableSizeLimit Disable size limitations on JavaScript projects.
--downlevelIteration Provide full support for iterables in 'for-of' , spread, and destructuring when targeting 'ES5' or 'ES3' .
--emitBOM Emit a UTF-8 Byte Order Mark ( BOM ) in the beginning of output files.
--emitDeclarationOnly Only emit '.d.ts' declaration files.
--emitDecoratorMetadata Enables experimental support for emitting type metadata for decorators.
--esModuleInterop Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports' .
--experimentalDecorators Enables experimental support for ES7 decorators.
--extendedDiagnostics Show verbose diagnostic information.
--forceConsistentCasingInFileNames Disallow inconsistently-cased references to the same file.
-h, --help Print this message.
--importHelpers Import emit helpers from 'tslib' .
-i, --incremental Enable incremental compilation
--init Initializes a TypeScript project and creates a tsconfig.json file.
--inlineSourceMap Emit a single file with source maps instead of having a separate file.
--inlineSources Emit the source alongside the sourcemaps within a single file ; requires '--inlineSourceMap' or '--sourceMap' to be set.
--isolatedModules Transpile each file as a separate module ( similar to 'ts.transpileModule' ) .
--jsx KIND Specify JSX code generation: 'preserve' , 'react-native' , or 'react' .
--jsxFactory Specify the JSX factory function to use when targeting 'react' JSX emit, e.g. 'React.createElement' or 'h' .
--keyofStringsOnly Resolve 'keyof' to string valued property names only ( no numbers or symbols ) .
--lib Specify library files to be included in the compilation.
'es5' 'es6' 'es2015' 'es7' 'es2016' 'es2017' 'es2018' 'es2019' 'es2020' 'esnext' 'dom' 'dom.iterable' 'webworker' 'webworker.importscripts' 'scripthost' 'es2015.core' 'es2015.collection' 'es2015.generator' 'es2015.iterable' 'es2015.promise' 'es2015.proxy' 'es2015.reflect' 'es2015.symbol' 'es2015.symbol.wellknown' 'es2016.array.include' 'es2017.object' 'es2017.sharedmemory' 'es2017.string' 'es2017.intl' 'es2017.typedarrays' 'es2018.asynciterable' 'es2018.intl' 'es2018.promise' 'es2018.regexp' 'es2019.array' 'es2019.object' 'es2019.string' 'es2019.symbol' 'es2020.string' 'es2020.symbol.wellknown' 'esnext.array' 'esnext.symbol' 'esnext.asynciterable' 'esnext.intl' 'esnext.bigint'
--listEmittedFiles Print names of generated files part of the compilation.
--listFiles Print names of files part of the compilation.
--locale The locale used when displaying messages to the user ( e.g. 'en-us' )
--mapRoot LOCATION Specify the location where debugger should locate map files instead of generated locations.
--maxNodeModuleJsDepth The maximum dependency depth to search under node_modules and load JavaScript files.
-m KIND, --module KIND Specify module code generation: 'none' , 'commonjs' , 'amd' , 'system' , 'umd' , 'es2015' , or 'ESNext' .
--moduleResolution STRATEGY Specify module resolution strategy: 'node' ( Node.js ) or 'classic' ( TypeScript pre-1.6 ) .
--newLine NEWLINE Specify the end of line sequence to be used when emitting files: 'CRLF' ( dos ) or 'LF' ( unix ) .
--noEmit Do not emit outputs.
--noEmitHelpers Do not generate custom helper functions like '__extends' in compiled output.
--noEmitOnError Do not emit outputs if any errors were reported.
--noErrorTruncation Do not truncate error messages.
--noFallthroughCasesInSwitch Report errors for fallthrough cases in switch statement.
--noImplicitAny Raise error on expressions and declarations with an implied 'any' type.
--noImplicitReturns Report error when not all code paths in function return a value.
--noImplicitThis Raise error on 'this' expressions with an implied 'any' type.
--noImplicitUseStrict Do not emit 'use strict' directives in module output.
--noLib Do not include the default library file ( lib.d.ts ) .
--noResolve Do not add triple-slash references or imported modules to the list of compiled files.
--noStrictGenericChecks Disable strict checking of generic signatures in function types.
--noUnusedLocals Report errors on unused locals.
--noUnusedParameters Report errors on unused parameters.
--out FILE [ Deprecated ] Use '--outFile' instead. Concatenate and emit output to single file
--outDir DIRECTORY Redirect output structure to the directory.
--outFile FILE Concatenate and emit output to single file.
--paths A series of entries which re-map imports to lookup locations relative to the 'baseUrl' .
--plugins List of language service plugins.
--preserveConstEnums Do not erase const enum declarations in generated code.
--preserveSymlinks Do not resolve the real path of symlinks.
--preserveWatchOutput Whether to keep outdated console output in watch mode instead of clearing the screen.
--pretty Stylize errors and messages using color and context ( experimental ) .
-p FILE OR DIRECTORY, --project FILE OR DIRECTORY Compile the project given the path to its configuration file, or to a folder with a 'tsconfig.json' .
--reactNamespace [ Deprecated ] Use '--jsxFactory' instead. Specify the object invoked for createElement when targeting 'react' JSX emit
--removeComments Do not emit comments to output.
--resolveJsonModule Include modules imported with '.json' extension
--rootDir LOCATION Specify the root directory of input files. Use to control the output directory structure with --outDir.
--rootDirs List of root folders whose combined content represents the structure of the project at runtime.
--showConfig Print the final configuration instead of building.
--skipDefaultLibCheck [ Deprecated ] Use '--skipLibCheck' instead. Skip type checking of default library declaration files.
--skipLibCheck Skip type checking of declaration files.
--sourceMap Generates corresponding '.map' file.
--sourceRoot LOCATION Specify the location where debugger should locate TypeScript files instead of source locations.
--strict Enable all strict type-checking options.
--strictBindCallApply Enable strict 'bind' , 'call' , and 'apply' methods on functions.
--strictFunctionTypes Enable strict checking of function types.
--strictNullChecks Enable strict null checks.
--strictPropertyInitialization Enable strict checking of property initialization in classes.
--stripInternal Do not emit declarations for code that has an '@internal' annotation.
--suppressExcessPropertyErrors Suppress excess property checks for object literals.
--suppressImplicitAnyIndexErrors Suppress noImplicitAny errors for indexing objects lacking index signatures.
-t VERSION, --target VERSION Specify ECMAScript target version: 'ES3' ( default ) , 'ES5' , 'ES2015' , 'ES2016' , 'ES2017' , 'ES2018' , 'ES2019' or 'ESNEXT' .
--traceResolution Enable tracing of the name resolution process.
--tsBuildInfoFile FILE Specify file to store incremental compilation information
--typeRoots List of folders to include type definitions from.
--types Type declaration files to be included in compilation.
-v, --version Print the compiler's version.
-w, --watch Watch input files.
@ < file > Insert command line options and files from a file.