still refining empty content; alpha release

Author: tiye

package.json

@@ -1,6 +1,6 @@
 {
   "name": "bottom-tip",
-  "version": "0.1.2-a2",
+  "version": "0.1.2-a3",
   "description": "A div for displaying console.log messages, with some styles",
   "main": "lib/bottom-tip.js",
   "scripts": {

src/bottom-tip.ts

@@ -76,7 +76,7 @@ var _rendered = false;
 var _oldTree: VTree = null;
 var _rootNode: Element = null;
 
-export function renderTip(target: HTMLDivElement, type: PanelKind, content: string = "") {
+export function renderTip(target: HTMLDivElement, type: PanelKind, content: string) {
   // console.debug(':debug:', type, content)
   var tree = h("div", { style: panelStyle(type, content) }, [
     h("div", { style: contentStyle(type) }, []),
@@ -109,5 +109,5 @@ export default function(type: PanelKind, content: string) {
     mountTarget = document.createElement("div");
     document.body.append(mountTarget);
   }
-  renderTip(mountTarget, type, content);
+  renderTip(mountTarget, type, content || "");
 }