mirror of
https://github.com/developit/microbundle.git
synced 2026-01-25 14:06:50 +00:00
93 lines
2.9 KiB
JavaScript
93 lines
2.9 KiB
JavaScript
import sade from 'sade';
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let { version } = require('../package.json');
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const toArray = val => (Array.isArray(val) ? val : val == null ? [] : [val]);
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export default handler => {
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const ENABLE_MODERN = process.env.MICROBUNDLE_MODERN !== 'false';
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const DEFAULT_FORMATS = ENABLE_MODERN ? 'modern,es,cjs,umd' : 'es,cjs,umd';
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const cmd = type => (str, opts) => {
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opts.watch = opts.watch || type === 'watch';
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opts.entries = toArray(str || opts.entry).concat(opts._);
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if (opts.compress != null) {
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// Convert `--compress true/false/1/0` to booleans:
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if (typeof opts.compress !== 'boolean') {
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opts.compress = opts.compress !== 'false' && opts.compress !== '0';
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}
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} else {
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// the default compress value is `true` for web, `false` for Node:
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opts.compress = opts.target !== 'node';
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}
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handler(opts);
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};
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let prog = sade('microbundle');
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prog
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.version(version)
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.option('--entry, -i', 'Entry module(s)')
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.option('--output, -o', 'Directory to place build files into')
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.option(
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'--format, -f',
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`Only build specified formats (any of ${DEFAULT_FORMATS} or iife)`,
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DEFAULT_FORMATS,
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)
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.option('--watch, -w', 'Rebuilds on any change', false)
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.option(
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'--pkg-main',
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'Outputs files analog to package.json main entries',
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true,
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)
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.option('--target', 'Specify your target environment (node or web)', 'web')
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.option('--external', `Specify external dependencies, or 'none'`)
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.option('--globals', `Specify globals dependencies, or 'none'`)
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.example('microbundle --globals react=React,jquery=$')
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.option('--define', 'Replace constants with hard-coded values')
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.example('microbundle --define API_KEY=1234')
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.option('--alias', `Map imports to different modules`)
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.example('microbundle --alias react=preact')
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.option('--compress', 'Compress output using Terser', null)
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.option('--strict', 'Enforce undefined global context and add "use strict"')
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.option('--name', 'Specify name exposed in UMD builds')
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.option('--cwd', 'Use an alternative working directory', '.')
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.option('--sourcemap', 'Generate source map', true)
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.option(
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'--css-modules',
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'Turns on css-modules for all .css imports. Passing a string will override the scopeName. eg --css-modules="_[hash]"',
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null,
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)
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.example("microbundle --no-sourcemap # don't generate sourcemaps")
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.option('--raw', 'Show raw byte size', false)
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.option(
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'--jsx',
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'A custom JSX pragma like React.createElement (default: h)',
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)
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.option('--tsconfig', 'Specify the path to a custom tsconfig.json')
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.example('microbundle build --tsconfig tsconfig.build.json');
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prog
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.command('build [...entries]', '', { default: true })
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.describe('Build once and exit')
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.action(cmd('build'));
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prog
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.command('watch [...entries]')
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.describe('Rebuilds on any change')
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.action(cmd('watch'));
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// Parse argv; add extra aliases
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return argv =>
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prog.parse(argv, {
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alias: {
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o: ['output', 'd'],
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i: ['entry', 'entries', 'e'],
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w: ['watch'],
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},
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});
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};
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