build/webpack.dev.js
const { merge } = require('webpack-merge');
const plugins = require('./plugins/dev');
const commonConfig = require('./webpack.common');
if (process.env.NODE_ENV === undefined) {
process.env.NODE_ENV = 'development';
}
const mode = 'development';
const target = 'web';
const devtool = 'eval-cheap-source-map';
const config = {
output: { pathinfo: true },
target, devtool, plugins, mode,
};
module.exports = merge(config, commonConfig);