33 lines
597 B
JavaScript
33 lines
597 B
JavaScript
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const aliases = require('./cmd-list').aliases
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module.exports = function usage (cmd, txt, opt) {
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const post = Object.keys(aliases).reduce(function (p, c) {
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var val = aliases[c]
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if (val !== cmd) {
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return p
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}
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return p.concat(c)
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}, [])
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if (opt || post.length > 0) {
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txt += '\n\n'
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}
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if (post.length === 1) {
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txt += 'alias: '
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txt += post.join(', ')
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} else if (post.length > 1) {
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txt += 'aliases: '
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txt += post.join(', ')
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}
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if (opt) {
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if (post.length > 0) {
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txt += '\n'
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}
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txt += 'common options: ' + opt
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}
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return txt
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}
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