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The TypeScript Compiler - Version 5.2.2，tsc -w无效怎么办？

article 2025/1/31 14:16:05

文章目录

前言
tsc -w无效怎么办？
报错内容
后言

前言

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tsc -w无效怎么办？

直接再来一个初始化

tsc --init

就ok了

报错内容

Version 5.2.2
tsc: The TypeScript Compiler - Version 5.2.2                                                                            
                                                                                                                     TS 
COMMON COMMANDS

  tsc
  Compiles the current project (tsconfig.json in the working directory.)

  tsc app.ts util.ts
  Ignoring tsconfig.json, compiles the specified files with default compiler options.

  tsc -b
  Build a composite project in the working directory.

  tsc --init
  Creates a tsconfig.json with the recommended settings in the working directory.

  tsc -p ./path/to/tsconfig.json
  Compiles the TypeScript project located at the specified path.

  tsc --help --all
  An expanded version of this information, showing all possible compiler options

  tsc --noEmit
  tsc --target esnext
  Compiles the current project, with additional settings.

COMMAND LINE FLAGS

     --help, -h  Print this message.

    --watch, -w  Watch input files.

          --all  Show all compiler options.

  --version, -v  Print the compiler's version.

         --init  Initializes a TypeScript project and creates a tsconfig.json file.

  --project, -p  Compile the project given the path to its configuration file, or to a folder with a 'tsconfig.json'.

    --build, -b  Build one or more projects and their dependencies, if out of date

   --showConfig  Print the final configuration instead of building.

COMMON COMPILER OPTIONS

               --pretty  Enable color and formatting in TypeScript's output to make compiler errors easier to read.
                  type:  boolean
               default:  true

      --declaration, -d  Generate .d.ts files from TypeScript and JavaScript files in your project.
                  type:  boolean
               default:  `false`, unless `composite` is set

       --declarationMap  Create sourcemaps for d.ts files.
                  type:  boolean
               default:  false

  --emitDeclarationOnly  Only output d.ts files and not JavaScript files.
                  type:  boolean
               default:  false

            --sourceMap  Create source map files for emitted JavaScript files.
                  type:  boolean
               default:  false

           --target, -t  Set the JavaScript language version for emitted JavaScript and include compatible library declarations.
                one of:  es3, es5, es6/es2015, es2016, es2017, es2018, es2019, es2020, es2021, es2022, esnext
               default:  es5

           --module, -m  Specify what module code is generated.
                one of:  none, commonjs, amd, umd, system, es6/es2015, es2020, es2022, esnext, node16, nodenext
               default:  undefined

                  --lib  Specify a set of bundled library declaration files that describe the target runtime environment.
           one or more:  es5, es6/es2015, es7/es2016, es2017, es2018, es2019, es2020, es2021, es2022, es2023, esnext, dom, dom.iterable, webworker, webworker.i                         mportscripts, webworker.iterable, scripthost, es2015.core, es2015.collection, es2015.generator, es2015.iterable, es2015.promise, es201                         5.proxy, es2015.reflect, es2015.symbol, es2015.symbol.wellknown, es2016.array.include, es2017.date, es2017.object, es2017.sharedmemory                         , es2017.string, es2017.intl, es2017.typedarrays, es2018.asyncgenerator, es2018.asynciterable/esnext.asynciterable, es2018.intl, es201                         8.promise, es2018.regexp, es2019.array, es2019.object, es2019.string, es2019.symbol/esnext.symbol, es2019.intl, es2020.bigint/esnext.b                         igint, es2020.date, es2020.promise, es2020.sharedmemory, es2020.string, es2020.symbol.wellknown, es2020.intl, es2020.number, es2021.pr                         omise/esnext.promise, es2021.string, es2021.weakref/esnext.weakref, es2021.intl, es2022.array, es2022.error, es2022.intl, es2022.objec                         t, es2022.sharedmemory, es2022.string/esnext.string, es2022.regexp, es2023.array/esnext.array, es2023.collection/esnext.collection, es                         next.intl, esnext.disposable, esnext.decorators, decorators, decorators.legacy
               default:  undefined

              --allowJs  Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files.
                  type:  boolean
               default:  false

              --checkJs  Enable error reporting in type-checked JavaScript files.
                  type:  boolean
               default:  false

                  --jsx  Specify what JSX code is generated.
                one of:  preserve, react, react-native, react-jsx, react-jsxdev
               default:  undefined

              --outFile  Specify a file that bundles all outputs into one JavaScript file. If 'declaration' is true, also designates a file that bundles all .d                         .ts output.

               --outDir  Specify an output folder for all emitted files.

       --removeComments  Disable emitting comments.
               default:  false

               --noEmit  Disable emitting files from a compilation.
                  type:  boolean
               default:  false

               --strict  Enable all strict type-checking options.
                  type:  boolean
               default:  false


                         ibility.
                  type:  boolean
               default:  false

You can learn about all of the compiler options at https://aka.ms/tsc