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40 lines
1.0 KiB
40 lines
1.0 KiB
3 years 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, processArgv} = require('./build/index.cjs');
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Argv(processArgv.hideBin(process.argv));
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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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