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astro/scripts/cmd/build.js
2021-12-22 16:11:05 -05:00

76 lines
2.1 KiB
JavaScript

import esbuild from 'esbuild';
import svelte from '../utils/svelte-plugin.js';
import del from 'del';
import { promises as fs } from 'fs';
import { dim, green, red, yellow } from 'kleur/colors';
import glob from 'tiny-glob';
/** @type {import('esbuild').BuildOptions} */
const defaultConfig = {
minify: false,
format: 'esm',
platform: 'node',
target: 'node14',
sourcemap: 'inline',
sourcesContent: false,
};
const dt = new Intl.DateTimeFormat('en-us', {
hour: '2-digit',
minute: '2-digit',
});
export default async function build(...args) {
const config = Object.assign({}, defaultConfig);
const isDev = args.slice(-1)[0] === 'IS_DEV';
const patterns = args
.filter((f) => !!f) // remove empty args
.map((f) => f.replace(/^'/, '').replace(/'$/, '')); // Needed for Windows: glob strings contain surrounding string chars??? remove these
let entryPoints = [].concat(...(await Promise.all(patterns.map((pattern) => glob(pattern, { filesOnly: true, absolute: true })))));
const { type = 'module', dependencies = {} } = await fs.readFile('./package.json').then((res) => JSON.parse(res.toString()));
const format = type === 'module' ? 'esm' : 'cjs';
const outdir = 'dist';
await clean(outdir);
if (!isDev) {
await esbuild.build({
...config,
bundle: entryPoints.length === 1, // Note: only use `bundle` with a single entrypoint!
entryPoints,
outdir,
format,
plugins: [svelte({ isDev })],
});
return;
}
const builder = await esbuild.build({
...config,
watch: {
onRebuild(error, result) {
const date = dt.format(new Date());
if (error || (result && result.errors.length)) {
console.error(dim(`[${date}] `) + red(error || result.errors.join('\n')));
} else {
if (result.warnings.length) {
console.log(dim(`[${date}] `) + yellow('⚠ updated with warnings:\n' + result.warnings.join('\n')));
}
console.log(dim(`[${date}] `) + green('✔ updated'));
}
},
},
entryPoints,
outdir,
format,
plugins: [svelte({ isDev })],
});
process.on('beforeExit', () => {
builder.stop && builder.stop();
});
}
async function clean(outdir) {
return del([`${outdir}/**`, `!${outdir}/**/*.d.ts`]);
}