fix(smiley): fixed smiley, hashtag and mention conflict

Author: ritz078

demo/index.html

@@ -15,7 +15,7 @@ var banner = "/*\n" +
 var config = {
     entry         : 'src/js/main.js',
     dest          : 'src/embed.es2015.js',
-    format        : 'es6',
+    format        : 'es',
     banner        : banner,
     sourceMap     : true,
     plugins: [

dist/embed.min.js

@@ -34,6 +34,9 @@ const defaultIcons = [{
 }, {
 	'text': ':o',
 	'code': '&#xe61a'
+}, {
+	'text': ':O',
+	'code': '&#xe61a'
 }, {
 	'text': '-_-',
 	'code': '&#xe61e'
@@ -81,6 +84,7 @@ export default function (input, options) {
 
 	return input.replace(smileyRegex, (match, pre, text) => {
 		let index = escapedSymbols.indexOf(escapeRegExp(text));
+		if (index === -1) return match;
 		let code  = icons[index].code;
 		return options.template.smiley(text, pre, code, options);
 	});

rollup.es2015.config.js

@@ -2,8 +2,8 @@ import regex from './regex';
 
 export default function (input, options) {
 	const hRegex = regex.hashtag;
-	return input.replace(hRegex,(match)=>{
-		const username = match.split('#')[1];
-		return options.hashtagUrl(username);
+	return input.replace(hRegex,(match, $1, $2)=>{
+		const username = $2.split('#')[1];
+		return $1 + options.hashtagUrl(username);
 	})
 }

src/embed.es2015.js

@@ -2,8 +2,8 @@ import regex from './regex';
 
 export default function (input, options) {
 	const mRegex = regex.mentions;
-	return input.replace(mRegex,(match) => {
-		const username = match.split('@')[1];
-		return options.mentionsUrl(username);
+	return input.replace(mRegex,(match, $1, $2) => {
+		const username = $2.split('@')[1];
+		return $1 + options.mentionsUrl(username);
 	})
 }