[show-hint addon] Fix problem with events being fired on the wrong data object

Issue ternjs/tern#200

Author: marijnh

addon/hint/show-hint.js

@@ -27,10 +27,10 @@
   Completion.prototype = {
     close: function() {
       if (!this.active()) return;
+      this.cm.state.completionActive = null;
 
       if (this.widget) this.widget.close();
       if (this.onClose) this.onClose();
-      this.cm.state.completionActive = null;
       CodeMirror.signal(this.cm, "endCompletion", this.cm);
     },
 
@@ -76,12 +76,14 @@
 
       function update() {
         if (isDone()) return;
+        CodeMirror.signal(data, "update");
         if (completion.options.async)
           completion.getHints(completion.cm, finishUpdate, completion.options);
         else
           finishUpdate(completion.getHints(completion.cm, completion.options));
       }
-      function finishUpdate(data) {
+      function finishUpdate(data_) {
+        data = data_;
         if (isDone()) return;
         if (!data || !data.list.length) return done();
         completion.widget.close();

addon/tern/tern.js

@@ -183,6 +183,7 @@
       var obj = {from: from, to: to, list: completions};
       var tooltip = null;
       CodeMirror.on(obj, "close", function() { remove(tooltip); });
+      CodeMirror.on(obj, "update", function() { remove(tooltip); });
       CodeMirror.on(obj, "select", function(cur, node) {
         remove(tooltip);
         var content = ts.options.completionTip ? ts.options.completionTip(cur.data) : cur.data.doc;