尝试运行我的 Angular Schematics 时出错

问题描述

从我的项目的根文件夹运行 schematics .:schema 时，出现以下错误：

An error occured:
Error: Cannot find module '/Users/pete/Desktop/projects/Angular/DEV/SchematicsDemo/src/my-component/index'
Require stack:
- /usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/@angular-devkit/schematics/tools/export-ref.js
- /usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/@angular-devkit/schematics/tools/index.js
- /usr/local/lib/node_modules/@angular-devkit/schematics-cli/bin/schematics.js
    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:793:17)
    at Function.resolve (internal/modules/cjs/helpers.js:80:19)
    at new ExportStringRef (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/@angular-devkit/schematics/tools/export-ref.js:16:32)
    at NodeModulesEngineHost._resolveReferenceString (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/@angular-devkit/schematics/tools/node-module-engine-host.js:95:21)
    at NodeModulesEngineHost.createSchematicDescription (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/@angular-devkit/schematics/tools/file-system-engine-host-base.js:174:34)
    at SchematicEngine.createSchematic (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/@angular-devkit/schematics/src/engine/engine.js:215:38)
    at CollectionImpl.createSchematic (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/@angular-devkit/schematics/src/engine/engine.js:70:29)
    at NodeWorkflow.execute (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/@angular-devkit/schematics/src/workflow/base.js:105:38)
    at main (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/bin/schematics.js:229:24)
    at Object.<anonymous> (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/bin/schematics.js:336:5)

我正在关注此 YouTube 视频 https://www.youtube.com/watch?v=M5YSPas3qFo&t=1707s 中的教程，他在 32:30 首次尝试时收到了同样的错误。

为了修复它，他运行了 npm run build:watch，但我在尝试执行相同操作时收到此错误

npm ERR! missing script: build:watch

npm ERR! A complete log of this run can be found in:
npm ERR!     /Users/pete/.npm/_logs/2020-12-26T17_18_10_036Z-debug.log

这是我的 angular.json 文件：

{
  "$schema": "./node_modules/@angular/cli/lib/config/schema.json","version": 1,"newProjectRoot": "projects","projects": {
    "SchematicsDemo": {
      "projectType": "application","schematics": {
        "@schematics/angular:application": {
          "strict": true
        }
      },"root": "","sourceRoot": "src","prefix": "app","architect": {
        "build": {
          "builder": "@angular-devkit/build-angular:browser","options": {
            "outputPath": "dist/SchematicsDemo","index": "src/index.html","main": "src/main.ts","polyfills": "src/polyfills.ts","tsConfig": "tsconfig.app.json","aot": true,"assets": [
              "src/favicon.ico","src/assets"
            ],"styles": [
              "src/styles.css"
            ],"scripts": []
          },"configurations": {
            "production": {
              "fileReplacements": [
                {
                  "replace": "src/environments/environment.ts","with": "src/environments/environment.prod.ts"
                }
              ],"optimization": true,"outputHashing": "all","sourceMap": false,"namedChunks": false,"extractLicenses": true,"vendorChunk": false,"buildOptimizer": true,"budgets": [
                {
                  "type": "initial","maximumWarning": "500kb","maximumError": "1mb"
                },{
                  "type": "anyComponentStyle","maximumWarning": "2kb","maximumError": "4kb"
                }
              ]
            }
          }
        },"serve": {
          "builder": "@angular-devkit/build-angular:dev-server","options": {
            "browserTarget": "SchematicsDemo:build"
          },"configurations": {
            "production": {
              "browserTarget": "SchematicsDemo:build:production"
            }
          }
        },"extract-i18n": {
          "builder": "@angular-devkit/build-angular:extract-i18n","options": {
            "browserTarget": "SchematicsDemo:build"
          }
        },"test": {
          "builder": "@angular-devkit/build-angular:karma","options": {
            "main": "src/test.ts","tsConfig": "tsconfig.spec.json","karmaConfig": "karma.conf.js","scripts": []
          }
        },"lint": {
          "builder": "@angular-devkit/build-angular:tslint","options": {
            "tsConfig": [
              "tsconfig.app.json","tsconfig.spec.json","e2e/tsconfig.json"
            ],"exclude": [
              "**/node_modules/**"
            ]
          }
        },"e2e": {
          "builder": "@angular-devkit/build-angular:protractor","options": {
            "protractorConfig": "e2e/protractor.conf.js","devServerTarget": "SchematicsDemo:serve"
          },"configurations": {
            "production": {
              "devServerTarget": "SchematicsDemo:serve:production"
            }
          }
        }
      }
    }
  },"defaultProject": "SchematicsDemo"
}

不知道如何解决这个问题，任何帮助将不胜感激！

解决方法

这个问题已经在github上登录过，你可以用#12230关注同一个问题。

但在此之前它已解决，您可以使用以下解决方法，您必须稍微调整 angular.json

改变

projects.YOUR-APP-NAME.targets

到

projects.YOUR-APP-NAME.architect