esbuild.js

const esbuild = require("esbuild");
const fs = require("fs");
const path = require("path");

const production = process.argv.includes("--production");
const watch = process.argv.includes("--watch");

/**
 * @type {import('esbuild').Plugin}
 */
const esbuildProblemMatcherPlugin = {
	name: "esbuild-problem-matcher",

	setup(build) {
		build.onStart(() => {
			console.log("[watch] build started");
		});
		build.onEnd((result) => {
			result.errors.forEach(({ text, location }) => {
				console.error(`✘ [ERROR] ${text}`);
				console.error(`    ${location.file}:${location.line}:${location.column}:`);
			});
			console.log("[watch] build finished");
		});
	},
};

const extensionConfig = {
	bundle: true,
	minify: production,
	sourcemap: !production,
	logLevel: "silent",
	plugins: [
		/* add to the end of plugins array */
		esbuildProblemMatcherPlugin,
	],
	entryPoints: ["src/extension.ts"],
	format: "cjs",
	sourcesContent: false,
	platform: "node",
	outfile: "dist/extension.js",
	external: ["vscode"],
};

async function main() {
	const extensionCtx = await esbuild.context(extensionConfig);
	if (watch) {
		await extensionCtx.watch();
	} else {
		await extensionCtx.rebuild();
		await extensionCtx.dispose();
	}
}

main().catch((e) => {
	console.error(e);
	process.exit(1);
});