Angular 未检测到模板中的更改

Question

在组件 (html) 的模板文件中更改某些内容时，webbrowser 不会重新加载，但是当我在 typescript 中编辑某些内容并保存 webbroser 所做的更改时。目前我需要在打字稿中使用保存操作（不取决于是否对其进行更改）以使浏览器重新加载以显示 html 更改。

角度版本：

Angular CLI: 12.1.1
Node: 14.16.0
Package Manager: npm 7.19.1
OS: win32 x64

Angular: 12.1.1
... animations, cdk, cli, common, compiler, compiler-cli, core
... forms, material, platform-browser, platform-browser-dynamic
... router

Package                         Version
---------------------------------------------------------
@angular-devkit/architect       0.1201.1
@angular-devkit/build-angular   12.1.1
@angular-devkit/core            12.1.1
@angular-devkit/schematics      12.1.1
@ngtools/webpack                12.1.1
@schematics/angular             12.1.1
rxjs                            7.1.0
typescript                      4.3.5

tsconfig.json：

/* To learn more about this file see: https://angular.io/config/tsconfig. */
{
  "compileOnSave": false,
  "compilerOptions": {
    "baseUrl": "./",
    "outDir": "./dist/out-tsc",
    "sourceMap": true,
    "declaration": false,
    "downlevelIteration": true,
    "experimentalDecorators": true,
    "moduleResolution": "node",
    "importHelpers": true,
    "target": "es2015",
    "module": "es2020",
    "lib": [
      "es2018",
      "dom"
    ]
  }
}

package.json

{
  "name": "project",
  "version": "0.0.0",
  "scripts": {
    "ng": "ng",
    "start": "ng serve",
    "build": "ng build",
    "test": "ng test",
    "lint": "ng lint",
    "e2e": "ng e2e"
  },
  "private": true,
  "dependencies": {
    "@angular/animations": "~10.2.4",
    "@angular/common": "~10.2.4",
    "@angular/compiler": "~10.2.4",
    "@angular/core": "~10.2.4",
    "@angular/forms": "~10.2.4",
    "@angular/platform-browser": "~10.2.4",
    "@angular/platform-browser-dynamic": "~10.2.4",
    "@angular/router": "~10.2.4",
    "rxjs": "~6.6.0",
    "tslib": "^2.0.0",
    "zone.js": "~0.10.2"
  },
  "devDependencies": {
    "@angular-devkit/build-angular": "~0.1002.3",
    "@angular/cli": "~10.2.3",
    "@angular/compiler-cli": "~10.2.4",
    "@types/node": "^12.11.1",
    "@types/jasmine": "~3.5.0",
    "@types/jasminewd2": "~2.0.3",
    "codelyzer": "^6.0.0",
    "jasmine-core": "~3.6.0",
    "jasmine-spec-reporter": "~5.0.0",
    "karma": "~5.0.0",
    "karma-chrome-launcher": "~3.1.0",
    "karma-coverage-istanbul-reporter": "~3.0.2",
    "karma-jasmine": "~4.0.0",
    "karma-jasmine-html-reporter": "^1.5.0",
    "protractor": "~7.0.0",
    "ts-node": "~8.3.0",
    "tslint": "~6.1.0",
    "typescript": "~4.0.2"
  }
}

Answer 1

看起来您只需在您的tsconfig.json 文件中将"compileOnSave" 设置为等于true。