打字稿错误：运行ng-serve时无法读取未定义的属性'length' [复制]-Java 学习之路

这个问题在这里已有答案：

getting error 'Cannot read property 'length' of undefined' while running ng serve in angular2 application 5个答案

padmavathi @ K1037 C：\ Users \ padmavathi \ Downloads \ phototype-development \ web \ dashboard

ng serve无法读取未定义的属性'length'TypeError：无法在createSourceFile读取未定义的属性'length'（C：\ Users \ padmavathi \ Downloads \ phototype-development \ web \ dashboard \ node_modules \ typescript \ lib \ typescript.js ：8980：109）在Object.parseSourceFile（C：\ Users \ padmavathi）的parseSourceFileWorker（C：\ Users \ padmavathi \ Downloads \ phototype-development \ web \ dashboard \ node_modules \ typescript \ lib \ typescript.js：8940：26） \ download \ phototype-development \ web \ dashboard \ node_modules \ typescript \ lib \ typescript.js：8899：26）at Object.createSourceFile（C：\ Users \ padmavathi \ Downloads \ phototype-development \ web \ dashboard \ node_modules \ typescript \ lib \ typescript.js：8727：29）在新的TypeScriptFileRefactor（C：\ Users \ padmavathi \ Downloads \ phototype-development \ web \ dashboard \ node_modules \ @ngtools \ webpack \ src \ refactor.js：25：35）at at AotP上的Object.resolveEntryModuleFromMain（C：\ Users \ padmavathi \ Downloads \ phototype-development \ web \ dashboard \ node_modules \ @ngtools \ webpack \ src \ entry_resolver.js：108：18）新的AotPlugin上的lugin._setupOptions（C：\ Users \ padmavathi \ Downloads \ phototype-development \ web \ dashboard \ node_modules \ @ngtools \ webpack \ src \ plugin.js：129：58）（C：\ Users \ padmavathi \ Downloads \ phototype-development \ web \ dashboard \ node_modules \ @ngtools \ webpack \ src \ plugin.js：37：14）at Object.exports.getWebpackNonAotConfigPartial（C：\ Users \ padmavathi \ Downloads \ phototype-development \ web \ dashboard \ node_modules \ angular-cli \ models \ webpack-build-typescript.js：20：13）在新的NgCliWebpackConfig（C：\ Users \ padmavathi \ Downloads \ phototype-development \ web \ dashboard \ node_modules \ angular-cli \ models \ webpack -config.js:23:42）在Class.run（C：\ Users \ padmavathi \ Downloads \ phototype-development \ web \ dashboard \ node_modules \ angular-cli \ tasks \ serve-webpack.js：20：22）at at C：\ Users \ padmavathi \ Downloads \ phototype-development \ web \ dashboard \ node_modules \ angular-cli \ commands \ serve.js：102：26 at process._tickCallback（internal / process / next_tick.js：103：7）

1 回答

我有同样的错误 . 事实证明我在angular-cli.json文件中犯了一个错误 .

{
  "project": {
    "version": "1.0.0-beta.22-1",
    "name": "angular3"
  },
  "apps": [
    {
      "root": "src",/* This must point to your source file locations*/
      "outDir": "dist",/* your output folder */

如果找不到/可读源文件夹或找不到源文件，则文件长度未定义 .

回复于 2024-05-03T04:22:04+08:00

打字稿错误：运行ng-serve时无法读取未定义的属性'length' [复制]

1 回答

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