Make sure lineHeight never returns 0

marijnh · marijnh · commit 830cc331712d · 2011-05-23T08:53:19.000+02:00
diff --git a/lib/codemirror.js b/lib/codemirror.js
@@ -1096,7 +1096,7 @@ var CodeMirror = (function() {
 
     function lineHeight() {
       var nlines = lineDiv.childNodes.length;
-      if (nlines) return lineDiv.offsetHeight / nlines;
+      if (nlines) return (lineDiv.offsetHeight / nlines) || 1;
       measure.innerHTML = "<pre>x</pre>";
       return measure.firstChild.offsetHeight || 1;
     }

Original file line number	Diff line number	Diff line change
`@@ -1096,7 +1096,7 @@ var CodeMirror = (function() {`
`1096`	`1096`
`1097`	`1097`	`function lineHeight() {`
`1098`	`1098`	`var nlines = lineDiv.childNodes.length;`
`1099`		`- if (nlines) return lineDiv.offsetHeight / nlines;`
	`1099`	`+ if (nlines) return (lineDiv.offsetHeight / nlines) \|\| 1;`
`1100`	`1100`	`measure.innerHTML = "<pre>x</pre>";`
`1101`	`1101`	`return measure.firstChild.offsetHeight \|\| 1;`
`1102`	`1102`	`}`