feat(auth): implement user authentication system

node_modules/nodemon/lib/utils/colour.js

@@ -0,0 +1,26 @@
+/**
+ * Encodes a string in a colour: red, yellow or green
+ * @param  {String} c   colour to highlight in
+ * @param  {String} str the string to encode
+ * @return {String}     coloured string for terminal printing
+ */
+function colour(c, str) {
+  return (colour[c] || colour.black) + str + colour.black;
+}
+
+function strip(str) {
+  re.lastIndex = 0; // reset position
+  return str.replace(re, '');
+}
+
+colour.red = '\x1B[31m';
+colour.yellow = '\x1B[33m';
+colour.green = '\x1B[32m';
+colour.black = '\x1B[39m';
+
+var reStr = Object.keys(colour).map(key => colour[key]).join('|');
+var re = new RegExp(('(' + reStr + ')').replace(/\[/g, '\\['), 'g');
+
+colour.strip = strip;
+
+module.exports = colour;