const { defineConfig } = require('@vue/cli-service')
const webpack = require('webpack');

module.exports = defineConfig({
  chainWebpack: config => {
    config.resolve.alias.set('vue', '@vue/compat')

    config.module
      .rule('vue')
      .use('vue-loader')
      .tap(options => {
        return {
          ...options,
          compilerOptions: {
            "isCustomElement": tag => tag.startsWith('Validation')
            compatConfig: {
              MODE: 2
            }
          }
        }
      })
    },
    configureWebpack: {plugins: [
      // fix "process is not defined" error:
      // (do "npm install process" before running the build)
      new webpack.ProvidePlugin({
        process: 'process/browser',
        
      }),
  ],}
})