esbuild.config.mjs

import esbuild from "esbuild";
import process from "process";
import builtins from "builtin-modules";
import { readFileSync, existsSync, copyFileSync, mkdirSync } from "fs";
import { resolve, join } from "path";
import { homedir } from "os";

const banner =
`/*
THIS IS A GENERATED/BUNDLED FILE BY ESBUILD
if you want to view the source, please visit the github repository of this plugin
*/
`;

const prod = (process.argv[2] === "production");

// Read copy destinations from .copy-files.local (same logic as copy-files.mjs)
function getCopyDestinations() {
	const localFile = resolve(process.cwd(), '.copy-files.local');
	if (!existsSync(localFile)) return [];
	const expandTilde = (p) => p.startsWith('~/') ? join(homedir(), p.slice(2)) : p;
	return readFileSync(localFile, 'utf8')
		.split('\n')
		.map(p => p.trim())
		.filter(p => p && !p.startsWith('#'))
		.map(expandTilde);
}

// esbuild plugin: copy build outputs to vault after each rebuild
const copyToVaultPlugin = {
	name: 'copy-to-vault',
	setup(build) {
		const destinations = getCopyDestinations();
		if (destinations.length === 0) return;
		const filesToCopy = ['main.js', 'styles.css', 'manifest.json'];
		build.onEnd((result) => {
			if (result.errors.length > 0) return;
			for (const dest of destinations) {
				mkdirSync(dest, { recursive: true });
				for (const file of filesToCopy) {
					const src = resolve(process.cwd(), file);
					if (existsSync(src)) {
						copyFileSync(src, join(dest, file));
					}
				}
				console.log(`\x1b[32m✓ Copied to ${dest}\x1b[0m`);
			}
		});
	}
};

// Plugin to import markdown files as strings
const markdownPlugin = {
	name: 'markdown',
	setup(build) {
		build.onLoad({ filter: /\.md$/ }, async (args) => {
			const text = readFileSync(args.path, 'utf8');
			return {
				contents: `export default ${JSON.stringify(text)}`,
				loader: 'js',
			};
		});
	}
};

const context = await esbuild.context({
	banner: {
		js: banner,
	},
	entryPoints: ["main.ts"],
	bundle: true,
	external: [
		"obsidian",
		"electron",
		"@codemirror/autocomplete",
		"@codemirror/collab",
		"@codemirror/commands",
		"@codemirror/language",
		"@codemirror/lint",
		"@codemirror/search",
		"@codemirror/state",
		"@codemirror/view",
		"@lezer/common",
		"@lezer/highlight",
		"@lezer/lr",
		...builtins],
	format: "cjs",
	target: "es2018",
	logLevel: "info",
	sourcemap: prod ? false : "inline",
	treeShaking: true,
	outfile: "main.js",
	minify: prod,
	plugins: [markdownPlugin, ...(!prod ? [copyToVaultPlugin] : [])],
});

if (prod) {
	await context.rebuild();
	process.exit(0);
} else {
	await context.watch();
}