taro3.x: typeScript配置alias

配置文件tsconfig.json的path属性：

{
  "compilerOptions": {
    "target": "es2017",
    "module": "commonjs",
    "removeComments": false,
    "preserveConstEnums": true,
    "moduleResolution": "node",
    "experimentalDecorators": true,
    "noImplicitAny": false,
    "allowSyntheticDefaultImports": true,
    "outDir": "lib",
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "strictNullChecks": true,
    "sourceMap": true,
    "baseUrl": ".",
    "rootDir": ".",
    "jsx": "react",
    "jsxFactory": "React.createElement",
    "allowJs": true,
    "resolveJsonModule": true,
    "typeRoots": [
      "node_modules/@types",
      "global.d.ts"
    ],
    "paths": {
        "@components/*": ["src/components/*"],
        "@hooks/*": ["src/hooks/*"],
        "@assets/*": ["src/assets/*"], // css, html中需要 `~@assets/*`
    }
  },
  "exclude": [
    "node_modules",
    "dist"
  ],
  "compileOnSave": false
}

配置文件：

config/index.js的alias属性

const path = require('path')

const config = {
  projectName: 'mini',
  date: '2020-8-6',
  designWidth: 750,
  deviceRatio: {
    640: 2.34 / 2,
    750: 1,
    828: 1.81 / 2
  },
  sourceRoot: 'src',
  outputRoot: `dist/${process.env.TARO_ENV}`,
  plugins: [],
  defineConstants: {
  },
  copy: {
    patterns: [
    ],
    options: {
    }
  },
  framework: 'react',
  mini: {
    postcss: {
      pxtransform: {
        enable: true,
        config: {

        }
      },
      url: {
        enable: true,
        config: {
          limit: 1024 // 设定转换尺寸上限
        }
      },
      cssModules: {
        enable: false, // 默认为 false，如需使用 css modules 功能，则设为 true
        config: {
          namingPattern: 'module', // 转换模式，取值为 global/module
          generateScopedName: '[name]__[local]___[hash:base64:5]'
        }
      }
    }
  },
  h5: {
    publicPath: '/',
    staticDirectory: 'static',
    postcss: {
      autoprefixer: {
        enable: true,
        config: {
        }
      },
      cssModules: {
        enable: false, // 默认为 false，如需使用 css modules 功能，则设为 true
        config: {
          namingPattern: 'module', // 转换模式，取值为 global/module
          generateScopedName: '[name]__[local]___[hash:base64:5]'
        }
      }
    }
  },
  alias: {
    '@components': path.resolve(__dirname, '..', 'src/components'),
    '@hooks': path.resolve(__dirname, '..', 'src/hooks'),

　　 '@assets': path.resolve(__dirname, '..', 'src/assets'),

} } module.exports = function (merge) { if (process.env.NODE_ENV === 'development') { return merge({}, config, require('./dev')) } return merge({}, config, require('./prod')) }