56 lines
861 B
Markdown
56 lines
861 B
Markdown
---
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title: Nopt
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category: JavaScript libraries
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---
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### About
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{: .-intro}
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- <https://www.npmjs.org/package/nopt>
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### Example
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```js
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var args = require('nopt')({
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foo: [String, null],
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size: ['big', 'medium', 'small'],
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many: [String, Array],
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debug: Boolean,
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version: Boolean,
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help: Boolean
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}, {
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h: '--help',
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v: '--version'
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}, process.argv);
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args == {
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debug: true,
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version: true,
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size: 'big',
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argv: {
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remain: ['...', '...'],
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cooked: ...,
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original: ...
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}
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}
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```
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```js
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if (args.help) {
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console.log([
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'Usage:',
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' hicat [options] [file]',
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'',
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'Options:',
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' -h, --help print usage information',
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' -v, --version show version info and exit',
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].join('\n'));
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process.exit(0);
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}
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if (args.version) {
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console.log(require('../package.json').version);
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process.exit(0);
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}
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```
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