新增调试信息

libcore/node_modules/stream-splicer/example/header.js

@@ -0,0 +1,22 @@
+var splicer = require('../');
+var through = require('through2');
+var JSONStream = require('JSONStream');
+var split = require('split');
+
+var headerData = {};
+var headers = through.obj(function (buf, enc, next) {
+    var line = buf.toString('utf8');
+    if (line === '') {
+        this.push(headerData);
+        pipeline.splice(1, 1, JSONStream.parse([ 'rows', true ]));
+    }
+    else {
+        var m = /^(\S+):(.+)/.exec(line);
+        var key = m && m[1].trim();
+        var value = m && m[2].trim();
+        if (m) headerData[key] = value;
+    }
+    next();
+});
+var pipeline = splicer([ split(), headers, JSONStream.stringify() ]);
+process.stdin.pipe(pipeline).pipe(process.stdout);