Webpacker / Typescript无法解析rails资产管道文件

问题描述 投票:0回答:2

我正在尝试导入rails资产管道中的文件,由于某种原因,webpack无法找到它。

这是我的tsconfig.json:

{
  "compilerOptions": {
    "declaration": false,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "lib": ["es6", "dom"],
    "module": "es6",
    "moduleResolution": "node",
    "sourceMap": true,
    "target": "es5",
    "baseUrl": ".",
    "paths": {
      "@images/*": ["app/assets/images/*"],
    }
  },
  "exclude": [
    "**/*.spec.ts",
    "node_modules",
    "vendor",
    "public"
  ],
  "compileOnSave": false
}

这是我的config / webpack / environment.js:

const { environment } = require('@rails/webpacker')
const customConfig = require('./custom');
const typescript =  require('./loaders/typescript')
const fileLoader = require('./loaders/file');

environment.loaders.append('file', fileLoader)
environment.loaders.append('typescript', typescript)

// Merge custom config
environment.config.merge(customConfig);

module.exports = environment

我的config / webpack / custom.js:

const path = require('path');

module.exports = {
  resolve: {
    alias: {
      '@src': path.resolve(__dirname, '..', '..', 'app/javascript'),
      '@images': path.resolve(__dirname, '..', '..', 'app/assets/images'),
      '@components': '@src/components',
      React: 'react',
      ReactDOM: 'react-dom'
    }
  }
};

我的一个typsecript文件中的import "@images/ajax-circle.gif";给出错误2307(无法解析模块)并且webpack-dev-server无法编译时出现以下错误:

ERROR in /Users/brandoncc/dev/my_app/app/javascript/lib/store_management.ts
[tsl] ERROR in /Users/brandoncc/dev/my_app/app/javascript/lib/store_management.ts(1,24)
      TS2307: Cannot find module '@images/ajax-circle.gif'.
webpack: Failed to compile.

看起来错误回到打字稿不能解析文件,但我无法弄清楚为什么它找不到它。

ruby-on-rails typescript webpack webpack-dev-server webpacker
2个回答
1
投票

事实证明,我需要为.gif扩展添加一个定义。

创建typings.d.ts

declare module "*.gif";

固定它。


0
投票

如果您依赖typescript paths功能,则需要使用能够正确解析路径的tsconfig-paths-webpack-plugin。只需将其添加到您的webpack配置中即可

const TsconfigPathsPlugin = require('tsconfig-paths-webpack-plugin');

module.exports = {
  ...
  resolve: {
    plugins: [new TsconfigPathsPlugin({ /*configFile: "./path/to/tsconfig.json" */ })]
  }
  ...
}
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