58 lines
1.3 KiB
JavaScript
58 lines
1.3 KiB
JavaScript
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'use strict';
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var fs = require('graceful-fs');
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var fo = require('../../fileOperations');
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var streamFile = require('../../src/getContents/streamFile');
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function writeStream(writePath, file, written) {
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var opt = {
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mode: file.stat.mode,
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flag: file.flag,
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};
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var outStream = fs.createWriteStream(writePath, opt);
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file.contents.once('error', complete);
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file.contents.once('end', readStreamEnd);
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outStream.once('error', complete);
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outStream.once('finish', complete);
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// Streams are piped with end disabled, this prevents the
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// WriteStream from closing the file descriptor after all
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// data is written.
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file.contents.pipe(outStream, { end: false });
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function readStreamEnd() {
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streamFile(file, complete);
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}
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function end(propagatedErr) {
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outStream.end(onEnd);
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function onEnd(endErr) {
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written(propagatedErr || endErr);
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}
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}
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// Cleanup
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function complete(streamErr) {
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file.contents.removeListener('error', complete);
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file.contents.removeListener('end', readStreamEnd);
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outStream.removeListener('error', complete);
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outStream.removeListener('finish', complete);
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if (streamErr) {
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return end(streamErr);
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}
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if (typeof outStream.fd !== 'number') {
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return end();
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}
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fo.updateMetadata(outStream.fd, file, end);
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}
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}
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module.exports = writeStream;
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