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113 lines
2.2 KiB
113 lines
2.2 KiB
2 years ago
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# minimist-options 
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> Write options for [minimist](https://npmjs.org/package/minimist) and [yargs](https://npmjs.org/package/yargs) in a comfortable way.
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> Supports string, boolean, number and array options.
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## Installation
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```
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$ npm install --save minimist-options
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```
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## Usage
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```js
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const buildOptions = require('minimist-options');
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const minimist = require('minimist');
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const options = buildOptions({
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name: {
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type: 'string',
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alias: 'n',
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default: 'john'
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},
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force: {
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type: 'boolean',
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alias: ['f', 'o'],
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default: false
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},
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score: {
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type: 'number',
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alias: 's',
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default: 0
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},
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arr: {
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type: 'array',
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alias: 'a',
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default: []
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},
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strings: {
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type: 'string-array',
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alias: 's',
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default: ['a', 'b']
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},
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booleans: {
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type: 'boolean-array',
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alias: 'b',
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default: [true, false]
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},
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numbers: {
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type: 'number-array',
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alias: 'n',
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default: [0, 1]
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},
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published: 'boolean',
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// Special option for positional arguments (`_` in minimist)
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arguments: 'string'
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});
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const args = minimist(process.argv.slice(2), options);
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```
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instead of:
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```js
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const minimist = require('minimist');
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const options = {
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string: ['name', '_'],
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number: ['score'],
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array: [
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'arr',
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{key: 'strings', string: true},
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{key: 'booleans', boolean: true},
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{key: 'numbers', number: true}
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],
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boolean: ['force', 'published'],
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alias: {
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n: 'name',
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f: 'force',
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s: 'score',
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a: 'arr'
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},
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default: {
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name: 'john',
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f: false,
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score: 0,
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arr: []
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}
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};
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const args = minimist(process.argv.slice(2), options);
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```
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## Array options
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The `array` types are only supported by [yargs](https://npmjs.org/package/yargs).
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[minimist](https://npmjs.org/package/minimist) does _not_ explicitly support array type options. If you set an option multiple times, it will indeed yield an array of values. However, if you only set it once, it will simply give the value as is, without wrapping it in an array. Thus, effectively ignoring `{type: 'array'}`.
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`{type: 'array'}` is shorthand for `{type: 'string-array'}`. To have values coerced to `boolean` or `number`, use `boolean-array` or `number-array`, respectively.
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## License
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MIT © [Vadim Demedes](https://vadimdemedes.com)
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