replace youtube duration parser function

squeebot.repo.json

@@ -39,7 +39,7 @@
     },
     {
       "name": "urlreply",
-      "version": "1.0.0"
+      "version": "1.0.2"
     },
     {
       "name": "utility",

urlreply/plugin.json

@@ -2,7 +2,7 @@
   "main": "plugin.js",
   "name": "urlreply",
   "description": "Fetch titles from web pages, specifically made for IRC",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "tags": ["irc"],
   "dependencies": [],
   "npmDependencies": ["cheerio@^1.0.0-rc.3"]

urlreply/plugin.ts

@@ -33,45 +33,24 @@ function findUrls(text: string): string[] {
   return urlArray;
 }
 
-// http://stackoverflow.com/a/22149575
-function ytDuration(source: string): string {
-  const a = source.match(/\d+/g);
-  let res;
+// https://gist.github.com/denniszhao/8972cd4ae637cf10fe01
+function ytDuration(time: string): string {
+  const a = time.match(/\d+H|\d+M|\d+S/g);
 
-  if (!a) {
-    return '';
+  let result = 0;
+
+  const d: {[key: string]: number} = { H: 3600, M: 60, S: 1 };
+  let num;
+  let type;
+
+  for (const char of a || []) {
+    num = char.slice(0, char.length - 1);
+    type = char.slice(char.length - 1, char.length);
+
+    result += parseInt(num, 10) * d[type];
   }
 
-  if (source.indexOf('M') >= 0 && source.indexOf('H') === -1 && source.indexOf('S') === -1) {
-    res = [0, a[0], 0];
-  }
-
-  if (source.indexOf('H') >= 0 && source.indexOf('M') === -1) {
-    res = [a[0], 0, a[1]];
-  }
-
-  if (source.indexOf('H') >= 0 && source.indexOf('M') === -1 && source.indexOf('S') === -1) {
-    res = [a[0], 0, 0];
-  }
-
-  let duration = 0;
-
-  if (a.length === 3) {
-    duration = duration + parseInt(a[0], 10) * 3600;
-    duration = duration + parseInt(a[1], 10) * 60;
-    duration = duration + parseInt(a[2], 10);
-  }
-
-  if (a.length === 2) {
-    duration = duration + parseInt(a[0], 10) * 60;
-    duration = duration + parseInt(a[1], 10);
-  }
-
-  if (a.length === 1) {
-    duration = duration + parseInt(a[0], 10);
-  }
-
-  return toHHMMSS(duration.toString());
+  return toHHMMSS(result.toString());
 }
 
 async function dailymotionFromId(id: string, msg: IMessage): Promise<boolean> {