Aurelia Jest错误-加载器必须实现loadTemplate

Question

在使用Yarn更新我的aurelia-dependency-injection库之后，我开始在我的Jest测试中得到以下错误。

似乎由于某些原因，依赖注入库并没有像预期的那样工作？

  ● Datepicker › click date icon opens calendar

    Loader must implement loadTemplate(url).

      at Loader.loadTemplate (node_modules/aurelia-loader/dist/commonjs/aurelia-loader.js:119:11)
      at ensureRegistryEntry (node_modules/aurelia-templating/dist/commonjs/aurelia-templating.js:3382:17)
      at ViewEngine.loadViewFactory (node_modules/aurelia-templating/dist/commonjs/aurelia-templating.js:3456:12)
      at RelativeViewStrategy.loadViewFactory (node_modules/aurelia-templating/dist/commonjs/aurelia-templating.js:562:23)
      at HtmlBehaviorResource.load (node_modules/aurelia-templating/dist/commonjs/aurelia-templating.js:4238:27)
      at ResourceDescription.load (node_modules/aurelia-templating/dist/commonjs/aurelia-templating.js:3258:26)
      at ResourceModule.load (node_modules/aurelia-templating/dist/commonjs/aurelia-templating.js:3200:23)
      at node_modules/aurelia-templating/dist/commonjs/aurelia-templating.js:3587:41

Answer 1

问题是我的yarn.lock文件有重复的aurelia-dependency-injection引用：

aurelia-dependency-injection@^1.0.0, aurelia-dependency-injection@^1.3.1:
  version "1.4.1"
  resolved "https://private-yarn-mirror/aurelia-dependency-injection/-/aurelia-dependency-injection-1.4.1.tgz#fb916e1809446600fb2cdf062f549060df49ef86"
  dependencies:
    aurelia-metadata "^1.0.0"
    aurelia-pal "^1.0.0"

aurelia-dependency-injection@^1.4.2:
  version "1.4.2"
  resolved "https://private-yarn-mirror/aurelia-dependency-injection/-/aurelia-dependency-injection-1.4.2.tgz#fa9d1a9f4931e353fb8f938ee0c54b9fbf3f341a"
  dependencies:
    aurelia-metadata "^1.0.0"
    aurelia-pal "^1.0.0"

我的解决方案是简单地删除顶部引用，这样我的yarn.lock看起来就像这样：

aurelia-dependency-injection@^1.4.2:
  version "1.4.2"
  resolved "https://private-yarn-mirror/aurelia-dependency-injection/-/aurelia-dependency-injection-1.4.2.tgz#fa9d1a9f4931e353fb8f938ee0c54b9fbf3f341a"
  dependencies:
    aurelia-metadata "^1.0.0"
    aurelia-pal "^1.0.0"

然后，我执行了以下命令，以确保在手动编辑后能够正确地生成yarn.lock。

• yarn add aurelia-framework@latest

这样做之后，我的yarn.lock看起来像这样：

aurelia-dependency-injection@^1.0.0, aurelia-dependency-injection@^1.3.1, aurelia-dependency-injection@^1.4.1, aurelia-dependency-injection@^1.4.2:
  version "1.4.2"
  resolved "https://private-yarn-mirror/aurelia-dependency-injection/-/aurelia-dependency-injection-1.4.2.tgz#fa9d1a9f4931e353fb8f938ee0c54b9fbf3f341a"
  dependencies:
    aurelia-metadata "^1.0.0"
    aurelia-pal "^1.0.0"

现在，我的Jest测试运行得很好，所有东西在其他地方也运行得很好。

不久之后，我发现了这篇讨论这个问题的文章，尽管我个人并没有使用那里的工具：

• https://medium.com/@scinos/de-duplicating-yarn-lock-ae30be4aa41a