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Direktori : /opt/alt/alt-nodejs11/root/lib/node_modules/npm/node_modules.bundled/fstream/lib/ |
Current File : //opt/alt/alt-nodejs11/root/lib/node_modules/npm/node_modules.bundled/fstream/lib/collect.js |
module.exports = collect function collect (stream) { if (stream._collected) return if (stream._paused) return stream.on('resume', collect.bind(null, stream)) stream._collected = true stream.pause() stream.on('data', save) stream.on('end', save) var buf = [] function save (b) { if (typeof b === 'string') b = new Buffer(b) if (Buffer.isBuffer(b) && !b.length) return buf.push(b) } stream.on('entry', saveEntry) var entryBuffer = [] function saveEntry (e) { collect(e) entryBuffer.push(e) } stream.on('proxy', proxyPause) function proxyPause (p) { p.pause() } // replace the pipe method with a new version that will // unlock the buffered stuff. if you just call .pipe() // without a destination, then it'll re-play the events. stream.pipe = (function (orig) { return function (dest) { // console.error(' === open the pipes', dest && dest.path) // let the entries flow through one at a time. // Once they're all done, then we can resume completely. var e = 0 ;(function unblockEntry () { var entry = entryBuffer[e++] // console.error(" ==== unblock entry", entry && entry.path) if (!entry) return resume() entry.on('end', unblockEntry) if (dest) dest.add(entry) else stream.emit('entry', entry) })() function resume () { stream.removeListener('entry', saveEntry) stream.removeListener('data', save) stream.removeListener('end', save) stream.pipe = orig if (dest) stream.pipe(dest) buf.forEach(function (b) { if (b) stream.emit('data', b) else stream.emit('end') }) stream.resume() } return dest } })(stream.pipe) }