const path = require('path');
const webpack = require('webpack');
const {merge} = require('webpack-merge');
const base = require('../../webpack.config');
const CircularDependencyPlugin = require('circular-dependency-plugin');

module.exports = merge(base, {
  entry: './src/index.ts',
  resolve: {
    alias: {
      '@': path.resolve(__dirname, 'src')
    }
  },
  output: {
    filename: 'mxgraph.js',
    path: path.resolve(__dirname, 'dist'),
    library: 'mxgraph',
    libraryTarget: 'umd'
  },
  module: {
    rules: [
      {
        test: /\.(sa|sc|c)ss$/,
        use: ['style-loader', 'css-loader']
      },
      {
        test: /\.(ico|png|jpg|jpeg|gif|svg|woff|woff2|ttf|eot)$/,
        loader: 'url-loader',
        options: {
          name: 'images/[hash].[ext]',
          limit: 10000,
        },
      }
    ]
  },
  plugins: [
    new webpack.optimize.LimitChunkCountPlugin({
      maxChunks: 1,
    }),
    new CircularDependencyPlugin({
      // exclude detection of files based on a RegExp
      exclude: /a\.js|node_modules/,
      // include specific files based on a RegExp
      // include: /dir/,
      // add errors to webpack instead of warnings
      failOnError: true,
      // allow import cycles that include an asyncronous import,
      // e.g. via import(/* webpackMode: "weak" */ './file.js')
      allowAsyncCycles: false,
      // set the current working directory for displaying module paths
      cwd: process.cwd(),
    })
  ]
});