30 lines
772 B
JavaScript
30 lines
772 B
JavaScript
'use strict'
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// turn tar(1) style args like `C` into the more verbose things like `cwd`
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const argmap = new Map([
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['C', 'cwd'],
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['f', 'file'],
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['z', 'gzip'],
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['P', 'preservePaths'],
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['U', 'unlink'],
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['strip-components', 'strip'],
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['stripComponents', 'strip'],
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['keep-newer', 'newer'],
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['keepNewer', 'newer'],
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['keep-newer-files', 'newer'],
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['keepNewerFiles', 'newer'],
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['k', 'keep'],
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['keep-existing', 'keep'],
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['keepExisting', 'keep'],
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['m', 'noMtime'],
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['no-mtime', 'noMtime'],
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['p', 'preserveOwner'],
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['L', 'follow'],
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['h', 'follow']
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])
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const parse = module.exports = opt => opt ? Object.keys(opt).map(k => [
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argmap.has(k) ? argmap.get(k) : k, opt[k]
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]).reduce((set, kv) => (set[kv[0]] = kv[1], set), Object.create(null)) : {}
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