module.exports = {
	productionSourceMap: false, // 生产打包时不输出map文件，增加打包速度
	devServer: {
		port: 8080,
		proxy: {
			'/api': {
				target: 'http://127.0.0.1:20199',
				changeOrigin: true
			},
			'/uploads': {
				target: 'http://127.0.0.1:20199',
				changeOrigin: true
			},
			'/statics': {
				target: 'http://127.0.0.1:20199',
				changeOrigin: true
			}
		}
	},
	chainWebpack: config => {
		// 优先使用 HBuilderX 插件内的 babel 插件，若不存在则使用项目 node_modules（便于命令行运行）
		const path = require('path')
		const HX_BABEL = '/Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules'
		const projectRoot = path.resolve(__dirname)
		let optionalChaining, nullishCoalescing
		try {
			optionalChaining = require.resolve('@babel/plugin-proposal-optional-chaining', { paths: [HX_BABEL] })
			nullishCoalescing = require.resolve('@babel/plugin-proposal-nullish-coalescing-operator', { paths: [HX_BABEL] })
		} catch (e) {
			optionalChaining = require.resolve('@babel/plugin-proposal-optional-chaining', { paths: [projectRoot] })
			nullishCoalescing = require.resolve('@babel/plugin-proposal-nullish-coalescing-operator', { paths: [projectRoot] })
		}
		if (config.module.rules.get('js')) {
			config.module.rule('js').use('babel-loader').tap(options => {
				options = options || {}
				options.plugins = options.plugins || []
				const pluginPaths = options.plugins.map(p => (Array.isArray(p) ? p[0] : p))
				if (!pluginPaths.includes(optionalChaining)) {
					options.plugins.push(optionalChaining)
				}
				if (!pluginPaths.includes(nullishCoalescing)) {
					options.plugins.push(nullishCoalescing)
				}
				return options
			})
		}
	},
	configureWebpack: config => {
		if (process.env.NODE_ENV === 'production') {
			config.optimization.minimizer[0].options.terserOptions.compress.warnings = false
			config.optimization.minimizer[0].options.terserOptions.compress.drop_console = true
			config.optimization.minimizer[0].options.terserOptions.compress.drop_debugger = true
			config.optimization.minimizer[0].options.terserOptions.compress.pure_funcs = ['console.log']
		}
	}
}