next.config.js

const withAntdLess = require("next-plugin-antd-less");

/** @type {import('next').NextConfig} */
const nextConfig = withAntdLess({
	// https://nextjs.org/docs/advanced-features/output-file-tracing#automatically-copying-traced-files
	output: 'standalone',

	reactStrictMode: false,

	/**
	 * From Static structure: /about.html
	 * To Static structure: /about/index.html
	 *
	 * But this also make all client url end with a `/`, so we will turn it off
	 * https://nextjs.org/docs/api-reference/next.config.js/exportPathMap#adding-a-trailing-slash
	 */
	// trailingSlash: false,

	// images: { loader: "custom" },
	images: {
		loader: "imgix",
		path: "",
	},

	// sassOptions: {
	//   includePaths: [path.join(__dirname, 'styles')],
	// },

	/**
	 * Custom webpack config
	 * https://nextjs.org/docs/api-reference/next.config.js/custom-webpack-config
	 */
	webpack: (config, { isServer }) => {
		const rules = config.module.rules;

		inject_git_commit_id_to_page(rules);
		inject_app_env(rules);

		return config;
	},
});

function inject_git_commit_id_to_page(rules) {
	/**
	 * Inject git commit id into debug page
	 */
	const git_commit_id = require("child_process")
		.execSync("git rev-parse --short HEAD")
		.toString()
		.trim();
	const stringReplaceLoaderRule = {
		test: /pages\/lucis-debug\/index\.tsx$/,
		loader: "string-replace-loader",
		options: {
			search: "LUCIS_VERSION_COMMIT_ID",
			replace: git_commit_id,
		},
	};
	rules.push(stringReplaceLoaderRule);
}

function inject_app_env(rules) {
	const git_branch = require("child_process")
		/**
		 * NOTE: You need to run in on Mac, Linux, or WSL, We prohibit Windows
		 */
		.execSync("cat .git/HEAD")
		// .execSync('git branch --show-current')
		.toString()
		.trim();

	let app_env = '';
	if (git_branch === "ref: refs/heads/main") {
		app_env = 'prod'
	} else if (git_branch === "ref: refs/heads/beta") {
		app_env = 'beta'
	} else if (git_branch === "ref: refs/heads/test") {
		app_env = 'stg'
	} else {
		app_env = 'dev'
	}

	rules.push({
		test: /utils\/Env\.ts$/,
		loader: "string-replace-loader",
		options: {
			search: '"APP_ENV"',
			replace: `"${app_env}"`,
		},
	});
}


function show_testnet_text_on_header(rules) {
	/**
	 * Show testnet text on the header
	 */
	const git_branch = require("child_process")
		/**
		 * NOTE: You need to run in on Mac, Linux, or WSL, We prohibit Windows
		 */
		.execSync("cat .git/HEAD")
		// .execSync('git branch --show-current')
		.toString()
		.trim();
	rules.push({
		test: /components\/ui\/header\/Header\.tsx$/,
		loader: "string-replace-loader",
		options: {
			search: '"IS_TESTNET"',
			replace: (git_branch === "ref: refs/heads/trial").toString(),
		},
	});
}

module.exports = {
	...nextConfig
};