const path = require("path");

const HtmlWebpackPlugin = require("html-webpack-plugin");
const CopyPlugin = require("copy-webpack-plugin");
const { CleanWebpackPlugin } = require("clean-webpack-plugin");
const ZipPlugin = require("zip-webpack-plugin");

let mode = process.env.NODE_ENV || "development";

let options = {
	entry: {
		popup: path.join(__dirname, "src", "popup", "popup.ts"),
		content_script: path.join(__dirname, "src", "content_script.ts"),
		background: path.join(__dirname, "src", "background.ts"),
	},
	output: {
		path: path.resolve(__dirname, "dist"),
		filename: "[name].bundle.js",
	},
	resolve: {
		extensions: [".ts", ".js", ".json"],
	},
	mode: mode,
	devtool: "inline-source-map",
	module: {
		rules: [
			{
				test: /\.html$/,
				loader: "html-loader",
				exclude: /node_modules/,
			},
			{
				test: /\.tsx?$/,
				use: "ts-loader",
				exclude: /node_modules/,
			},
			{
				test: /\.s[ac]ss$/i,
				use: [
					// Creates `style` nodes from JS strings
					"style-loader",
					// Translates CSS into CommonJS
					"css-loader",
					// Compiles Sass to CSS
					"sass-loader",
				],
				exclude: /node_modules/,
			},
		],
	},
	plugins: [
		new CopyPlugin({
			patterns: [{ from: path.resolve(__dirname, "src", "manifest.json") }],
		}),
		new HtmlWebpackPlugin({
			template: path.join(__dirname, "src", "popup", "popup.html"),
			filename: "popup.html",
			chunks: ["popup"],
		}),
	],
};

if (mode !== "development") {
	options.plugins.unshift(new CleanWebpackPlugin());
	options.plugins.push(
		new ZipPlugin({
			filename: "addon",
			extension: "xpi",
		})
	);
}

module.exports = options;