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40 lines
849 B
40 lines
849 B
2 years ago
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var _Readable = require('readable-stream/readable');
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var _Writable = require('readable-stream/writable');
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var util = require('util');
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module.exports = {
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DummyReadable: DummyReadable,
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DummyWritable: DummyWritable
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};
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function DummyReadable(strings) {
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_Readable.call(this);
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this.strings = strings;
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this.emit('readable');
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}
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util.inherits(DummyReadable, _Readable);
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DummyReadable.prototype._read = function _read(n) {
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if (this.strings.length) {
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this.push(new Buffer(this.strings.shift()));
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} else {
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this.push(null);
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}
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};
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function DummyWritable(strings) {
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_Writable.call(this);
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this.strings = strings;
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this.emit('writable');
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}
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util.inherits(DummyWritable, _Writable);
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DummyWritable.prototype._write = function _write(chunk, encoding, callback) {
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this.strings.push(chunk.toString());
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if (callback) callback();
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};
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