32 lines
853 B
JavaScript
32 lines
853 B
JavaScript
// classic singleton yargs API, to use yargs
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// without running as a singleton do:
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// require('yargs/yargs')(process.argv.slice(2))
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const yargs = require('./yargs')
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Argv(process.argv.slice(2))
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module.exports = Argv
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function Argv (processArgs, cwd) {
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const argv = yargs(processArgs, cwd, require)
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singletonify(argv)
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return argv
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}
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/* Hack an instance of Argv with process.argv into Argv
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so people can do
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require('yargs')(['--beeble=1','-z','zizzle']).argv
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to parse a list of args and
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require('yargs').argv
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to get a parsed version of process.argv.
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*/
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function singletonify (inst) {
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Object.keys(inst).forEach(function (key) {
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if (key === 'argv') {
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Argv.__defineGetter__(key, inst.__lookupGetter__(key))
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} else {
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Argv[key] = typeof inst[key] === 'function' ? inst[key].bind(inst) : inst[key]
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}
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})
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}
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