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41 lines
1.1 KiB
JavaScript
41 lines
1.1 KiB
JavaScript
12 months ago
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'use strict'
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// 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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const processArgv = require('./build/lib/process-argv')
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Argv(processArgv.getProcessArgvWithoutBin())
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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((key) => {
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if (key === 'argv') {
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Argv.__defineGetter__(key, inst.__lookupGetter__(key))
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} else if (typeof inst[key] === 'function') {
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Argv[key] = inst[key].bind(inst)
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} else {
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Argv.__defineGetter__('$0', () => {
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return inst.$0
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})
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Argv.__defineGetter__('parsed', () => {
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return inst.parsed
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})
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}
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})
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}
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