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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';
import prebuild from './prebuild.js';
/** @type {import('esbuild').BuildOptions} */
const defaultConfig = {
minify: false,
format: 'esm',
platform: 'node',
target: 'node14',
sourcemap: false,
sourcesContent: false,
};
const dt = new Intl.DateTimeFormat('en-us', {
hour: '2-digit',
minute: '2-digit',
});
function getPrebuilds(isDev, args) {
let prebuilds = [];
while (args.includes('--prebuild')) {
let idx = args.indexOf('--prebuild');
prebuilds.push(args[idx + 1]);
args.splice(idx, 2);
}
if (prebuilds.length && isDev) {
prebuilds.unshift('--no-minify');
}
return prebuilds;
}
export default async function build(...args) {
const config = Object.assign({}, defaultConfig);
const isDev = args.slice(-1)[0] === 'IS_DEV';
const prebuilds = getPrebuilds(isDev, args);
const patterns = args
.filter((f) => !!f) // remove empty args
.map((f) => f.replace(/^'/, '').replace(/'$/, '')); // Needed for Windows: glob strings contain surrounding string chars??? remove these
let entryPoints = [].concat(
...(await Promise.all(
patterns.map((pattern) => glob(pattern, { filesOnly: true, absolute: true }))
))
);
const noClean = args.includes('--no-clean-dist');
const forceCJS = args.includes('--force-cjs');
const {
type = 'module',
version,
dependencies = {},
} = await fs.readFile('./package.json').then((res) => JSON.parse(res.toString()));
// expose PACKAGE_VERSION on process.env for CLI utils
config.define = { 'process.env.PACKAGE_VERSION': JSON.stringify(version) };
const format = type === 'module' && !forceCJS ? 'esm' : 'cjs';
const outdir = 'dist';
if (!noClean) {
await clean(outdir);
}
if (!isDev) {
await esbuild.build({
...config,
bundle: false,
entryPoints,
outdir,
outExtension: forceCJS ? { '.js': '.cjs' } : {},
format,
});
return;
}
const builder = await esbuild.build({
...config,
watch: {
onRebuild(error, result) {
if (prebuilds.length) {
prebuild(...prebuilds);
}
const date = dt.format(new Date());
if (error || (result && result.errors.length)) {
console.error(dim(`[${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`]);
}
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