const { buildSync } = require('esbuild');
const pkg = require('psychojs/package.json');

const versionMaybe = process.env.npm_config_outver;
const dirMaybe = process.env.npm_config_outdir;
const [,,, dir = dirMaybe || 'out', version = versionMaybe || pkg.version] = process.argv;

[
	// The ESM bundle
	{
		format: 'esm',
		legalComments: 'external',
		outfile: `./${dir}/psychojs-${version}.js`,
	},
	// The IIFE
	{
		globalName: 'PsychoJS',
		legalComments: 'none',
		outfile: `./${dir}/psychojs-${version}.iife.js`
	}
].forEach(function(options) {
	buildSync({ ...this, ...options });
}, {
	// Shared options
	banner: {
		js: `/*! For license information please see psychojs-${version}.js.LEGAL.txt */`,
	},
	bundle: true,
	sourcemap: true,
	entryPoints: ['src/index.js'],
	minifySyntax: true,
	minifyWhitespace: true,
	target: [
		// https://github.com/evanw/esbuild/issues/121#issuecomment-646956379
		'es2017',
		'node14',
	]
});