const fs = require('fs')
const path = require('path')
const moduleAlias = require('module-alias')

const {
  hasModule
} = require('@dcloudio/uni-cli-shared/lib/util')

const isInHBuilderX = fs.existsSync(path.resolve(process.env.UNI_CLI_CONTEXT, 'bin/uniapp-cli.js'))

// nvue override
moduleAlias.addAlias('weex-styler', path.resolve(__dirname, 'packages/weex-styler'))
moduleAlias.addAlias('weex-template-compiler', path.resolve(__dirname, 'packages/weex-template-compiler'))
moduleAlias.addAlias('@vue/component-compiler-utils', require.resolve(
  '@dcloudio/vue-cli-plugin-uni/packages/@vue/component-compiler-utils'))
moduleAlias.addAlias('@vue/component-compiler-utils/package.json', require.resolve(
  '@dcloudio/vue-cli-plugin-uni/packages/@vue/component-compiler-utils/package.json'))

if (isInHBuilderX) {
  moduleAlias.addAlias('typescript', path.resolve(process.env.UNI_HBUILDERX_PLUGINS,
    'compile-typescript/node_modules/typescript'))
  moduleAlias.addAlias('less', path.resolve(process.env.UNI_HBUILDERX_PLUGINS,
    'compile-less/node_modules/less'))
  moduleAlias.addAlias('node-sass', path.resolve(process.env.UNI_HBUILDERX_PLUGINS,
    'compile-node-sass/node_modules/node-sass-china'))
  moduleAlias.addAlias('stylus', path.resolve(process.env.UNI_HBUILDERX_PLUGINS,
    'compile-stylus/node_modules/stylus'))
  moduleAlias.addAlias('pug', path.resolve(process.env.UNI_HBUILDERX_PLUGINS,
    'compile-pug-cli/node_modules/pug'))

  if (!hasModule('typescript')) { // 因为 cli-plugin-typescript 会直接读取typescript/package.json，故，如果未安装 typescript，则先设置一个假的
    moduleAlias.addAlias('typescript/package.json', path.resolve(__dirname, 'typescript.json'))
    moduleAlias.addAlias('fork-ts-checker-webpack-plugin', path.resolve(__dirname,
      'fork-ts-checker-webpack-plugin.fake.js'))
  }
}