webpack.dev.config.ts

// Copyright 2019 The Oppia Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

/**
 * @fileoverview Development environment config file for Webpack.
 */

const { merge } = require('webpack-merge');
const common = require('./webpack.common.config.ts');
const path = require('path');

module.exports = merge(common, {
  mode: 'development',
  output: {
    filename: '[name].bundle.js',
    path: path.resolve(__dirname, 'webpack_bundles')
  },
  devtool: 'eval',
  watchOptions: {
    aggregateTimeout: 500,
    poll: 1000
  }
});