png-optimizer/rollup.mjs

/*
 * rollup.mjs
 * Created by 还有醋v on 2022/3/4.
 * Copyright © 2021 haiyoucuv. All rights reserved.
 */

import json from "@rollup/plugin-json";
import resolve from "@rollup/plugin-node-resolve";
import typescript from "@rollup/plugin-typescript";
import * as fs from "fs";
import path from "path";
import commonjs from "rollup-plugin-commonjs";
import progress from "rollup-plugin-progress";
import { terser } from "rollup-plugin-terser";

export default {
	input: "src/index.ts",
	cache: true,
	external: [
		"fs",
		"path"
	],
	output: [
		{
			file: "dist/index.js",
			format: "cjs",
		},
		{
			file: 'dist/index.module.js',
			format: 'esm',
		}
	],
	plugins: [
		progress(),
		function wasm2str() {
			return {
				name: "wasm2str",
				resolveId(source, importer, options) {
					const fileType = source.split('.').slice(-1)[0];
					if (fileType === "wasm") return path.join(importer, "../", source);
				},
				load(id) {
					const fileType = id.split('.').slice(-1)[0];
					if (fileType === "wasm") {
						const str = fs.readFileSync(id).toString("base64");
						return `export default \`${str}\``;
					}
				}
			}
		}(),
		typescript({ tsconfig: "./tsconfig.json" }),
		json(),
		resolve(),
		commonjs(),
		terser(),
	]
};