Fix stdout when lines are cleared (#70)

Some ANSI code where not well processed like those that clear the entire line or move the cursor around.
Still need to support moving the cursor to far left as its conflicting with the coloredPrefix.
https://en.wikipedia.org/wiki/ANSI_escape_code

src/main.js

@@ -478,31 +478,35 @@ function logError(prefix, prefixColor, text) {
     logWithPrefix(prefix, prefixColor, text, chalk.red.bold);
 }
 
+var lastChar;
+
 function logWithPrefix(prefix, prefixColor, text, color) {
-    var lastChar = text[text.length - 1];
-    if (config.raw) {
-        if (lastChar !== '\n') {
-            text += '\n';
-        }
 
+     if (config.raw) {  
         process.stdout.write(text);
         return;
     }
 
-    if (lastChar === '\n') {
-        // Remove extra newline from the end to prevent extra newlines in input
-        text = text.slice(0, text.length - 1);
-    }
+    text = text.replace(/\u2026/g,'...'); // Ellipsis
 
     var lines = text.split('\n');
     // Do not bgColor trailing space
     var coloredPrefix = colorText(prefix.replace(/ $/, ''), prefixColor) + ' ';
-    var paddedLines = _.map(lines, function(line, i) {
+    var paddedLines = _.map(lines, function(line, index) {
         var coloredLine = color ? colorText(line, color) : line;
-        return coloredPrefix + coloredLine;
+        if (index !== 0 && index !== (lines.length - 1)) {
+            coloredLine = coloredPrefix + coloredLine;
+        }
+        return coloredLine;
     });
 
-    console.log(paddedLines.join('\n'));
+    if (!lastChar || lastChar == '\n' ){
+        process.stdout.write(coloredPrefix);
+    }
+
+    lastChar = text[text.length - 1];         
+
+    process.stdout.write(paddedLines.join('\n'));    
 }
 
 main();