import fs from 'node:fs';
import type { Plugin } from 'esbuild';

// source map 过大会导致 nodejs 启动过慢
// https://github.com/evanw/esbuild/issues/1685#issuecomment-944916409
export const createExcludeVendorSourceMapPlugin = ({ filter }: { filter: RegExp }): Plugin => ({
	name: 'excludeVendorFromSourceMap',
	setup(build) {
		build.onLoad({ filter }, (args) => {
			if (args.path.endsWith('.js')) {
				return {
					contents:
						fs.readFileSync(args.path, 'utf8') +
						'\n//# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbIiJdLCJtYXBwaW5ncyI6IkEifQ==',
					loader: 'default',
				};
			}
			return undefined;
		});
	},
});