ECShopX_mobile-frontend/config/index.js

const path = require('path')
const pkg = require('../package.json')

const [TARO_CMD, TARO_ENV] = process.env.npm_lifecycle_event.split(':')
const DIST_PATH = TARO_ENV === 'h5'
  ? (process.env.NODE_ENV === 'production' ? 'h5_dist' : '.h5_dev_dist' )
  : 'dist'

const config = {
  projectName: pkg.name,
  date: '2019-2-18',
  designWidth: 750,
  deviceRatio: {
    '640': 2.34 / 2,
    '750': 1,
    '828': 1.81 / 2
  },
  sourceRoot: 'src',
  outputRoot: DIST_PATH,
  plugins: {
    babel: {
      sourceMap: true,
      presets: [
        ['env', {
          modules: false
        }]
      ],
      plugins: [
        'transform-decorators-legacy',
        'transform-class-properties',
        'transform-object-rest-spread'
      ]
    }
  },
  defineConstants: {
    TARO_APP: JSON.stringify({
      APP_NAME: pkg.app_name,
      APP_VERSION: pkg.version,
      BASE_URL: 'https://yapi.ishopex.cn/mock/387/api/v1'
    })
  },
  alias: {
    '@': path.join(__dirname, '..', '/src')
  },
  copy: {
    patterns: [
      { from: 'src/assets', to: `${DIST_PATH}/assets` }
    ],
    options: {
    }
  },
  weapp: {
    module: {
      postcss: {
        autoprefixer: {
          enable: true,
          config: {
            browsers: [
              'last 3 versions',
              'Android >= 4.1',
              'ios >= 8'
            ]
          }
        },
        pxtransform: {
          enable: true,
          config: {

          }
        },
        url: {
          enable: true,
          config: {
            limit: 10240 // 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',
    mode: 'browser',
    module: {
      postcss: {
        autoprefixer: {
          enable: true,
          config: {
            browsers: [
              'last 3 versions',
              'Android >= 4.1',
              'ios >= 8'
            ]
          }
        },
        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]'
          }
        }
      }
    },
    devServer: {
      host: '0.0.0.0'
    },
    esnextModules: ['taro-ui'],
    webpackChain (chain) {
      chain.merge({
        resolve: {
          alias: {
            'react': 'nervjs',
            'react-dom': 'nervjs'
          }
        }
      })
    }
  }
}

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