Tsconfig. json configuration file

If a tsconfig.json file exists in a directory, it is assumed to be the TypeScript root directory, which specifies the root file and compilation options used to compile the project.

Files, include, and exclude specify compilation

Json: tsconfig.json: tsconfig.json: tsconfig.json: tsconfig.json: tsconfig.json: tsconfig.json: tsconfig.json: tsconfig.json: tsconfig.json: tsconfig.json: tsconfig.json

• 1, use,filesconfiguration

The files attribute is used to specify which files to compile. You can configure an arraylist that contains the relative or absolute path of the specified files. The compiler will compile only files listed in files when compiling, depending on whether the include option is set. By default, files in the root directory and all subdirectories are compiled. The path listed here must be the specified file, not a folder, for example just want to compile demo.ts and test.ts files:

 {
   "compilerOptions": {
     //any something
     / /...
   },
   "files": ["demo.ts"."test.ts"],}Copy the code

• 2, use,includeconfiguration

The include attribute specifies the list of paths to compile and include. The difference between the include attribute and files is that the paths can be folders or files. You can use relative or absolute paths, for example, you want to compile all SRC ts files:

 {
   "compilerOptions": {
     //any something
     / /...
   },
   "include": ["src/*"],}Copy the code

• 3, use,excludeconfiguration

Exclude excludes files that do not compile. It can also specify a list of files or folders, relative or absolute paths, like include. For example, exclude all ts files under node_modules:

 {
   "compilerOptions": {
     //any something
     / /...
   },
   "exclude": ["node_modules"],}Copy the code

Files specifies a list of relative or absolute file paths, while the include and exclude attributes specify a list of glob match patterns for files. The supported glob wildcards are:

• *Matches 0 or more characters (excluding directory delimiters)
• ?Matches an arbitrary character (excluding the directory separator)
• * * /Recursively matches any subdirectory

Extends Inheritance configuration

The tsconfig.json file can use the extends property to specify a path to another tsconfig.json file that inherits the configuration from this configuration file, overwriting the configuration defined in the current file if the inherited configuration and the current file properties overlap. configs/base.json:

  { 
    "compilerOptions": {
      //any something
      / /...
    },
    "files": ["main.ts"]}Copy the code

tsconfig.json:

  { 
    "compilerOptions": {
      //any something
      / /...
    },
    "include": ["src/**/*"]."extends": ["./configs/base"]}Copy the code

CompileOnSave is compiled on save

Setting compileOnSave to true allows the IDE to recompile the build file from tsconfig.json while saving the file. This feature requires Visual Studio 2015, TypeScript1.8.4 or above, and the atom-typescript plug-in installed

  { 
    "compileOnSave": true."compilerOptions": {
      //any something
      / /...}}Copy the code

CompilerOptions Compilation options

The tsconfig.json file provides a large number of configuration items. The following are only some of the configuration items