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angular - 发生未处理的异常：未在工作区中设置配置“es”

问题描述

我正在创建一个使用 i18n 支持不同语言的 Angular 应用程序。该应用程序适用于英语。但是，我尝试使用以下 CLI 命令检查西班牙语：

ng serve --configuration=es

出现未处理的错误。Angular.json 的修改版本如下所示：

{
  "$schema": "./node_modules/@angular/cli/lib/config/schema.json",
  "version": 1,
  "newProjectRoot": "projects",
  "projects": {
    "i18nDemo": {
      "projectType": "application",
      "schematics": {},
      "root": "",
      "sourceRoot": "src",
      "prefix": "app",
      "architect": {
        "build": {
          "builder": "@angular-devkit/build-angular:browser",
          "options": {
            "outputPath": "dist/i18nDemo",
            "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,
              "extractCss": true,
              "namedChunks": false,
              "extractLicenses": true,
              "vendorChunk": false,
              "buildOptimizer": true,
              "budgets": [
                {
                  "type": "initial",
                  "maximumWarning": "2mb",
                  "maximumError": "5mb"
                },
                {
                  "type": "anyComponentStyle",
                  "maximumWarning": "6kb",
                  "maximumError": "10kb"
                }
              ],
              "es": { 
                "aot": true, 
                "i18nFile": "src/translate/messages.es.xlf", 
                "i18nFormat": "xlf",
                "i18nLocale": "es", 
                "i18nMissingTranslation": "error" }
            }
          }
        
        },
        "serve": {
          "builder": "@angular-devkit/build-angular:dev-server",
          "options": {
            "browserTarget": "i18nDemo:build"
          },
          "configurations": {
            "production": {
              "browserTarget": "i18nDemo:build:production"
            },
            "es": {
              "browserTarget": "i18nDemo:build:es"
             }
          }
        },
        "extract-i18n": {
          "builder": "@angular-devkit/build-angular:extract-i18n",
          "options": {
            "browserTarget": "i18nDemo:build"
          }
        },
        "test": {
          "builder": "@angular-devkit/build-angular:karma",
          "options": {
            "main": "src/test.ts",
            "polyfills": "src/polyfills.ts",
            "tsConfig": "tsconfig.spec.json",
            "karmaConfig": "karma.conf.js",
            "assets": [
              "src/favicon.ico",
              "src/assets"
            ],
            "styles": [
              "src/styles.css"
            ],
            "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": "i18nDemo:serve"
          },
          "configurations": {
            "production": {
              "devServerTarget": "i18nDemo:serve:production"
            }
          }
        }
      }
    }
  },
  "defaultProject": "i18nDemo",
  "cli": {
    "analytics": false
  }
}

您能否帮助在文件中查找配置问题。

标签： angularmultilingual

解决方案

您需要使用18nand thenlocales来指定翻译语言环境。另请参阅在构建配置中定义语言环境 

  "projects": {
    "i18nDemo": {
      "i18n": {
        "sourceLocale": {
          "code": "en"
        },
        "locales": {
          "es": {
            "translation": "src/translate/messages.es.xlf"
          }
        }
      }

这样，当您使用 cli 命令时，您的所有翻译都将被编译

ng build --localize

就配置而言，问题在于您将配置"es" 嵌套在配置内部"production"而不是在配置之下。这是一个简单的转移"es"到外面的事情"production"。尽管考虑到您要设置的内容，但在这种情况下，我认为没有任何理由使用名为“es”的配置部分。另请参阅仅为一种语言环境应用特定的构建选项。

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