Use hash as line indicator

static/application.js

@@ -178,6 +178,15 @@ haste.prototype.addLineNumbers = function(lineCount) {
     let line = i + 1;
     div.href = '#' + line;
     div.onclick = function() {
+        highlightLine(line);
+    }
+    let text = document.createTextNode(line.toString());
+    div.appendChild(text);
+    document.body.appendChild(div)
+  }
+};
+
+function highlightLine(line) {
   var box = document.getElementById("box");
   // create highlight div
   removeElementsByClass('highlight');
@@ -185,12 +194,7 @@ haste.prototype.addLineNumbers = function(lineCount) {
   highlight.classList.add('highlight');
   highlight.style.marginTop = ((line - 1) * 16) + 'px';
   box.insertBefore(highlight, box.firstChild);
-    }
+}
-    let text = document.createTextNode(line.toString());
-    div.appendChild(text);
-    document.body.appendChild(div)
-  }
-};
 
 function removeElementsByClass(className){
   const elements = document.getElementsByClassName(className);
@@ -225,6 +229,11 @@ haste.prototype.loadDocument = function(key) {
       _this.$textarea.val('').hide();
       _this.$box.show().focus();
       _this.addLineNumbers(ret.lineCount);
+
+      if(window.location.hash) {
+        const hash = window.location.hash.substring(1);
+        highlightLine(hash)
+      }
     }
     else {
       _this.newDocument();