57 lines
1.2 KiB
JavaScript
57 lines
1.2 KiB
JavaScript
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'use strict';
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module.exports = Extract;
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var Parse = require("../unzip").Parse;
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var Writer = require("fstream").Writer;
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var Writable = require('readable-stream/writable');
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var path = require('path');
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var inherits = require('util').inherits;
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inherits(Extract, Writable);
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function Extract (opts) {
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var self = this;
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if (!(this instanceof Extract)) {
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return new Extract(opts);
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}
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Writable.apply(this);
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this._opts = opts || { verbose: false };
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this._parser = Parse(this._opts);
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this._parser.on('error', function(err) {
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self.emit('error', err);
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});
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this.on('finish', function() {
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self._parser.end();
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});
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var writer = Writer({
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type: 'Directory',
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path: opts.path
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});
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writer.on('error', function(err) {
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self.emit('error', err);
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});
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writer.on('close', function() {
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self.emit('close')
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});
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this.on('pipe', function(source) {
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if (opts.verbose && source.path) {
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console.log('Archive: ', source.path);
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}
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});
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this._parser.pipe(writer);
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}
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Extract.prototype._write = function (chunk, encoding, callback) {
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if (this._parser.write(chunk)) {
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return callback();
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}
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return this._parser.once('drain', callback);
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};
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