node_modules

node_modules/match-stream/examples/until.js

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