26 lines
735 B
JavaScript
26 lines
735 B
JavaScript
var MatchStream = require('../');
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var streamBuffers = require("stream-buffers");
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var ms = new MatchStream({ pattern: 'World'}, function (buf, matched, extra) {
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if (!matched) {
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return this.push(buf);
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}
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this.push(buf);
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return this.push(null); //signal end of data
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});
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var sourceStream = new streamBuffers.ReadableStreamBuffer();
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sourceStream.put("Hello World");
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var writableStream = new streamBuffers.WritableStreamBuffer();
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sourceStream
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.pipe(ms)
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.pipe(writableStream)
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.once('close', function () {
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var str = writableStream.getContentsAsString('utf8');
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console.log('Piped data before pattern occurs:', "'" + str + "'");
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sourceStream.destroy();
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});
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//Output
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//Piped data before pattern occurs: 'Hello '
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