// vue.config.js
const TransformPages = require('uni-read-pages')
const ForkTsCheckerWebpackPlugin = require('fork-ts-checker-webpack-plugin')
const { webpack } = new TransformPages()

module.exports = {
  configureWebpack: (config) => {
    config.plugins = [
      new webpack.DefinePlugin({
        ROUTES: webpack.DefinePlugin.runtimeValue(() => {
          const tfPages = new TransformPages({
            includes: ['path', 'name', 'aliasPath']
          })
          return JSON.stringify(tfPages.routes)
        }, true)
      })
    ]
    // 限制工作线程使用1024MB内存
    // get a reference to the existing ForkTsCheckerWebpackPlugin
    const existingForkTsChecker = config.plugins.filter(
      p => p instanceof ForkTsCheckerWebpackPlugin
    )[0]
    // remove the existing ForkTsCheckerWebpackPlugin
    // so that we can replace it with our modified version
    config.plugins = config.plugins.filter(
      p => !(p instanceof ForkTsCheckerWebpackPlugin)
    )
    // copy the options from the original ForkTsCheckerWebpackPlugin
    // instance and add the memoryLimit property
    const forkTsCheckerOptions = existingForkTsChecker.options
    forkTsCheckerOptions.memoryLimit = 1024
    config.plugins.push(new ForkTsCheckerWebpackPlugin(forkTsCheckerOptions))
  },
  transpileDependencies: ['uview-ui']
}