Angular 7 entfernt doppelte Attribute in SCSS

Angular SASS (.scss) Streifeneigenschaften. Wie kann ich verhindern, dass dies passiert, damit ich doppelte Attribute einbetten kann, um die Kompatibilität zwischen Browsern zu gewährleisten?

Zum Kopieren erstellen Sie ein neues Angular 7.2-Projekt

{
      "name": "default-app",
      "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": "~7.2.0",
        "@angular/common": "~7.2.0",
        "@angular/compiler": "~7.2.0",
        "@angular/core": "~7.2.0",
        "@angular/forms": "~7.2.0",
        "@angular/platform-browser": "~7.2.0",
        "@angular/platform-browser-dynamic": "~7.2.0",
        "@angular/router": "~7.2.0",
        "core-js": "^2.5.4",
        "rxjs": "~6.3.3",
        "tslib": "^1.9.0",
        "zone.js": "~0.8.26"
      },
      "devDependencies": {
        "@angular-devkit/build-angular": "~0.13.0",
        "@angular/cli": "~7.3.9",
        "@angular/compiler-cli": "~7.2.0",
        "@angular/language-service": "~7.2.0",
        "@types/node": "~8.9.4",
        "@types/jasmine": "~2.8.8",
        "@types/jasminewd2": "~2.0.3",
        "codelyzer": "~4.5.0",
        "jasmine-core": "~2.99.1",
        "jasmine-spec-reporter": "~4.2.1",
        "karma": "~4.0.0",
        "karma-chrome-launcher": "~2.2.0",
        "karma-coverage-istanbul-reporter": "~2.0.1",
        "karma-jasmine": "~1.1.2",
        "karma-jasmine-html-reporter": "^0.2.2",
        "protractor": "~5.4.0",
        "ts-node": "~7.0.0",
        "tslint": "~5.11.0",
        "typescript": "~3.2.2"
      }
    }

Fügen Sie die Klasse „teststyle“ zu jedem Element in Ihrer Komponente hinzu.

<div style="text-align:center" class="teststyle">Hello
</div>
<router-outlet></router-outlet>

In der der Komponente entsprechenden .scss-Datei anwenden

.teststyle
{
    background: #a64bf4;
    background: -webkit-linear-gradient(right, #6ab443, #04a95f, #00d421);
    background: -o-linear-gradient(right, #6ab443, #04a95f, #00d421);
    background: -moz-linear-gradient(right, #6ab443, #04a95f, #00d421);
    background: linear-gradient(right, #6ab443, #04a95f, #00d421);
    
}

Der Angular-Präprozessor entfernt alles außer dem ersten und letzten Attribut. Das entsprechende CSS sieht so aus. -webkit-linear-gradient, -o-linear-gradient und -moz-linear-gradient sind keine übersetzten CSS/JS-Dateien. Hierbei handelt es sich um ein Tarnspilation-Problem, nicht um ein Browserproblem.

Ich habe das gesehen, als ich direktes CSS verwendet habe, und es ist korrekt.

enthält auch angle.json

{
  "$schema": "./node_modules/@angular/cli/lib/config/schema.json",
  "version": 1,
  "newProjectRoot": "projects",
  "projects": {
    "default-app": {
      "root": "",
      "sourceRoot": "src",
      "projectType": "application",
      "prefix": "app",
      "schematics": {
        "@schematics/angular:component": {
          "style": "scss"
        }
      },
      "architect": {
        "build": {
          "builder": "@angular-devkit/build-angular:browser",
          "options": {
            "outputPath": "dist/default-app",
            "index": "src/index.html",
            "main": "src/main.ts",
            "polyfills": "src/polyfills.ts",
            "tsConfig": "src/tsconfig.app.json",
            "assets": [
              "src/favicon.ico",
              "src/assets"
            ],
            "styles": [
              "src/styles.scss"
            ],
            "scripts": [],
            "es5BrowserSupport": true
          },
          "configurations": {
            "production": {
              "fileReplacements": [
                {
                  "replace": "src/environments/environment.ts",
                  "with": "src/environments/environment.prod.ts"
                }
              ],
              "optimization": true,
              "outputHashing": "all",
              "sourceMap": false,
              "extractCss": true,
              "namedChunks": false,
              "aot": true,
              "extractLicenses": true,
              "vendorChunk": false,
              "buildOptimizer": true,
              "budgets": [
                {
                  "type": "initial",
                  "maximumWarning": "2mb",
                  "maximumError": "5mb"
                }
              ]
            }
          }
        },
        "serve": {
          "builder": "@angular-devkit/build-angular:dev-server",
          "options": {
            "browserTarget": "default-app:build"
          },
          "configurations": {
            "production": {
              "browserTarget": "default-app:build:production"
            }
          }
        },
        "extract-i18n": {
          "builder": "@angular-devkit/build-angular:extract-i18n",
          "options": {
            "browserTarget": "default-app:build"
          }
        },
        "test": {
          "builder": "@angular-devkit/build-angular:karma",
          "options": {
            "main": "src/test.ts",
            "polyfills": "src/polyfills.ts",
            "tsConfig": "src/tsconfig.spec.json",
            "karmaConfig": "src/karma.conf.js",
            "styles": [
              "src/styles.scss"
            ],
            "scripts": [],
            "assets": [
              "src/favicon.ico",
              "src/assets"
            ]
          }
        },
        "lint": {
          "builder": "@angular-devkit/build-angular:tslint",
          "options": {
            "tsConfig": [
              "src/tsconfig.app.json",
              "src/tsconfig.spec.json"
            ],
            "exclude": [
              "**/node_modules/**"
            ]
          }
        }
      }
    },
    "default-app-e2e": {
      "root": "e2e/",
      "projectType": "application",
      "prefix": "",
      "architect": {
        "e2e": {
          "builder": "@angular-devkit/build-angular:protractor",
          "options": {
            "protractorConfig": "e2e/protractor.conf.js",
            "devServerTarget": "default-app:serve"
          },
          "configurations": {
            "production": {
              "devServerTarget": "default-app:serve:production"
            }
          }
        },
        "lint": {
          "builder": "@angular-devkit/build-angular:tslint",
          "options": {
            "tsConfig": "e2e/tsconfig.e2e.json",
            "exclude": [
              "**/node_modules/**"
            ]
          }
        }
      }
    }
  },
  "defaultProject": "default-app"
}

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Angular 7 entfernt doppelte Attribute in SCSS

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