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module.exports = realpath |
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realpath.realpath = realpath |
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realpath.sync = realpathSync |
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realpath.realpathSync = realpathSync |
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realpath.monkeypatch = monkeypatch |
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realpath.unmonkeypatch = unmonkeypatch |
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var fs = require('fs') |
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var origRealpath = fs.realpath |
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var origRealpathSync = fs.realpathSync |
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var version = process.version |
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var ok = /^v[0-5]\./.test(version) |
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var old = require('./old.js') |
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function newError (er) { |
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return er && er.syscall === 'realpath' && ( |
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er.code === 'ELOOP' || |
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er.code === 'ENOMEM' || |
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er.code === 'ENAMETOOLONG' |
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) |
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} |
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function realpath (p, cache, cb) { |
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if (ok) { |
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return origRealpath(p, cache, cb) |
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} |
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if (typeof cache === 'function') { |
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cb = cache |
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cache = null |
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} |
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origRealpath(p, cache, function (er, result) { |
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if (newError(er)) { |
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old.realpath(p, cache, cb) |
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} else { |
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cb(er, result) |
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} |
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}) |
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} |
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function realpathSync (p, cache) { |
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if (ok) { |
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return origRealpathSync(p, cache) |
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} |
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try { |
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return origRealpathSync(p, cache) |
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} catch (er) { |
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if (newError(er)) { |
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return old.realpathSync(p, cache) |
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} else { |
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throw er |
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} |
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} |
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} |
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function monkeypatch () { |
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fs.realpath = realpath |
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fs.realpathSync = realpathSync |
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} |
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function unmonkeypatch () { |
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fs.realpath = origRealpath |
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fs.realpathSync = origRealpathSync |
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} |
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