use byline for supporting large files

lib/tail.js

@@ -6,6 +6,7 @@ const EventEmitter = require('events').EventEmitter;
 const childProcess = require('child_process');
 const util = require('util');
 const CBuffer = require('CBuffer');
+const byline = require('byline');
 
 function Tail(path, opts) {
   EventEmitter.call(this);
@@ -35,13 +36,10 @@ function Tail(path, opts) {
       }
     });
 
-    tail.stdout.on('data', (data) => {
-      const lines = data.toString('utf-8').split('\n');
-      lines.pop();
-      lines.forEach((line) => {
-        this._buffer.push(line);
-        this.emit('line', line);
-      });
+    byline(tail.stdout).on('data', (line) => {
+      const str = line.toString();
+      this._buffer.push(str);
+      this.emit('line', str);
     });
 
     process.on('exit', () => {

package.json

@@ -8,6 +8,7 @@
   "bin": "./bin/frontail",
   "dependencies": {
     "CBuffer": "0.1.4",
+    "byline": "^5.0.0",
     "commander": "1.3.2",
     "connect": "2.11.0",
     "cookie": "0.1.0",
@@ -33,7 +34,13 @@
     "type": "git",
     "url": "http://github.com/mthenw/frontail.git"
   },
-  "keywords": ["tail", "syslog", "realtime", "log", "devops"],
+  "keywords": [
+    "tail",
+    "syslog",
+    "realtime",
+    "log",
+    "devops"
+  ],
   "main": "index",
   "preferGlobal": true
 }