Question

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

ng服务无法读取未定义的属性“长度” TypeError：无法读取未定义的属性“length” 在createSourceFile（C：\ Users \ padmavathi \ Downloads \ phototype-development \ web \ dashboard \ node_modules \ typescript \ lib \ typescript.js：8980：109） at parseSourceFileWorker（C：\ Users \ padmavathi \ Downloads \ phototype-development \ web \ dashboard \ node_modules \ typescript \ lib \ typescript.js：8940：26） at Object.parseSourceFile（C：\ Users \ padmavathi \ Downloads \ 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）在Object.resolveEntryModuleFromMain（C：\ Users \ padmavathi \ Downloads \ phototype-development \ web \ dashboard \ node_modules \ @ngtools \ webpack \ src \ entry_resolver.js：108：18）在AotPlugin._setupOptions（C：\ Users \ padmavathi \ Downloads \ phototype-development \ web \ dashboard \ node_modules \ @ngtools \ webpack \ src \ plugin.js：129：58）在新的AotPlugin（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）在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）

Answer 1

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。

打字稿错误：在运行ng-serve时无法读取未定义的属性“长度”

1 个答案: