TypeScript TSConfig All In One

TypeScript TSConfig All In One

tsconfig.json

https://www.typescriptlang.org/tsconfig

https://www.typescriptlang.org/zh/tsconfig

$ tsc --init

{
  "compilerOptions": {
    /* Visit https://aka.ms/tsconfig.json to read more about this file */

    /* Basic Options */
    // "incremental": true,                   /* Enable incremental compilation */
    "target": "es5",                          /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */
    "module": "commonjs",                     /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
    // "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. */
    // "declarationMap": true,                /* Generates a sourcemap for each 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. */
    // "composite": true,                     /* Enable project compilation */
    // "tsBuildInfoFile": "./",               /* Specify file to store incremental compilation information */
    // "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. */
    // "strictFunctionTypes": true,           /* Enable strict checking of function types. */
    // "strictBindCallApply": true,           /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
    // "strictPropertyInitialization": true,  /* Enable strict checking of property initialization in classes. */
    // "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. */
    "esModuleInterop": true,                  /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
    // "preserveSymlinks": true,              /* Do not resolve the real path of symlinks. */
    // "allowUmdGlobalAccess": true,          /* Allow accessing UMD globals from modules. */

    /* 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. */

    /* Advanced Options */
    "skipLibCheck": true,                     /* Skip type checking of declaration files. */
    "forceConsistentCasingInFileNames": true  /* Disallow inconsistently-cased references to the same file. */
  }
}

tsc

$ tsc -v
# Version 4.0.3

$ tsc -h
# Version 4.0.3

# Syntax:   tsc [options] [file...]

# Examples: tsc hello.ts
#           tsc --outFile file.js file.ts
#           tsc @args.txt
#           tsc --build tsconfig.json

# Options:
#  -h, --help                                         Print this message.
#  -w, --watch                                        Watch input files.
#  --pretty                                           Stylize errors and messages using color and context (experimental).
#  --all                                              Show all compiler options.
#  -v, --version                                      Print the compiler's version.
#  --init                                             Initializes a TypeScript project and creates a tsconfig.json file.
#  -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'.
#  -b, --build                                        Build one or more projects and their dependencies, if out of date
#  -t VERSION, --target VERSION                       Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'.
#  -m KIND, --module KIND                             Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'.
#  --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.asyncgenerator' 'es2018.asynciterable' 'es2018.intl' 'es2018.promise' 'es2018.regexp' 'es2019.array' 'es2019.object' 'es2019.string' 'es2019.symbol' 'es2020.bigint' 'es2020.promise' 'es2020.string' 'es2020.symbol.wellknown' 'es2020.intl' 'esnext.array' 'esnext.symbol' 'esnext.asynciterable' 'esnext.intl' 'esnext.bigint' 'esnext.string' 'esnext.promise'
#  --allowJs                                          Allow javascript files to be compiled.
#  --jsx KIND                                         Specify JSX code generation: 'preserve', 'react-native', or 'react'.
#  -d, --declaration                                  Generates corresponding '.d.ts' file.
#  --declarationMap                                   Generates a sourcemap for each corresponding '.d.ts' file.
#  --sourceMap                                        Generates corresponding '.map' file.
#  --outFile FILE                                     Concatenate and emit output to single file.
#  --outDir DIRECTORY                                 Redirect output structure to the directory.
#  --removeComments                                   Do not emit comments to output.
#  --noEmit                                           Do not emit outputs.
#  --strict                                           Enable all strict type-checking options.
#  --noImplicitAny                                    Raise error on expressions and declarations with an implied 'any' type.
#  --strictNullChecks                                 Enable strict null checks.
#  --strictFunctionTypes                              Enable strict checking of function types.
#  --strictBindCallApply                              Enable strict 'bind', 'call', and 'apply' methods on functions.
#  --strictPropertyInitialization                     Enable strict checking of property initialization in classes.
#  --noImplicitThis                                   Raise error on 'this' expressions with an implied 'any' type.
#  --alwaysStrict                                     Parse in strict mode and emit "use strict" for each source file.
#  --noUnusedLocals                                   Report errors on unused locals.
#  --noUnusedParameters                               Report errors on unused parameters.
#  --noImplicitReturns                                Report error when not all code paths in function return a value.
#  --noFallthroughCasesInSwitch                       Report errors for fallthrough cases in switch statement.
#  --types                                            Type declaration files to be included in compilation.
#  --esModuleInterop                                  Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'.
#  @<file>                                            Insert command line options and files from a file.

demo

{
  "include": ["src/**/*"],
  "exclude": ["tests/**/*"],
  "compilerOptions": {
    "target": "es5",
    "module": "commonjs",
    "jsx": "preserve",
    "declaration": false,
    "declarationMap": false,
    "sourceMap": true,
    "outDir": "./build",
    "rootDir": "./",
    "removeComments": true,
    "downlevelIteration": true,
    "isolatedModules": false,
    "strict": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "strictFunctionTypes": true,
    "noImplicitThis": true,
    "alwaysStrict": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "moduleResolution": "node",
    "esModuleInterop": true,
    "allowUmdGlobalAccess": true,
    "experimentalDecorators": true,
    "emitDecoratorMetadata": true,
    "skipLibCheck": true,
    "forceConsistentCasingInFileNames": true
  }
}

refs

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