Improve esbuild watch mode (#160)

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Drew Powers 2021-05-01 10:09:23 -06:00 committed by GitHub
parent 7c4efe2a7e
commit 467820996f
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@ -1,7 +1,7 @@
import esbuild from 'esbuild'; import esbuild from 'esbuild';
import del from 'del'; import del from 'del';
import { promises as fs } from 'fs'; import { promises as fs } from 'fs';
import { resolve } from 'path'; import { dim, green, red, yellow } from 'kleur/colors';
import glob from 'tiny-glob'; import glob from 'tiny-glob';
/** @type {import('esbuild').BuildOptions} */ /** @type {import('esbuild').BuildOptions} */
@ -11,13 +11,13 @@ const config = {
sourcemap: 'inline', sourcemap: 'inline',
format: 'esm', format: 'esm',
platform: 'node', platform: 'node',
target: 'node14' target: 'node14',
} };
export default async function build(pattern, ...args) { export default async function build(pattern, ...args) {
const isDev = args.pop() === 'IS_DEV'; const isDev = args.pop() === 'IS_DEV';
const entryPoints = await glob(pattern, { filesOnly: true, absolute: true }); const entryPoints = await glob(pattern, { filesOnly: true, absolute: true });
const { type = 'module', dependencies = {} } = await fs.readFile('./package.json').then(res => JSON.parse(res.toString())); const { type = 'module', dependencies = {} } = await fs.readFile('./package.json').then((res) => JSON.parse(res.toString()));
const format = type === 'module' ? 'esm' : 'cjs'; const format = type === 'module' ? 'esm' : 'cjs';
const external = Object.keys(dependencies); const external = Object.keys(dependencies);
const outdir = 'dist'; const outdir = 'dist';
@ -29,24 +29,35 @@ export default async function build(pattern, ...args) {
entryPoints, entryPoints,
outdir, outdir,
external, external,
format format,
}); });
return; return;
} }
const builder = await esbuild.build({ const builder = await esbuild.build({
...config, ...config,
watch: true, watch: {
onRebuild(error, result) {
const date = new Date().toISOString();
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, entryPoints,
outdir, outdir,
external, external,
format format,
}); });
process.on('beforeExit', () => { process.on('beforeExit', () => {
builder.stop?.(); builder.stop?.();
}) });
} }
async function clean(outdir) { async function clean(outdir) {