Merged branch with master

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,7 +1,14 @@
+<!-- Thank you so much for contributing! We're glad to have you onboard :) -->
+<!-- Please help us understand you contribution better with these details -->
+
 ###### Explanation About What Code Achieves:
 <!-- Please explain why this code is necessary / what it does -->
   - Explanation
 
+###### Screenshots/GIFs:
+<!-- As this is mainly a visual lib, please include a screenshot/gif if your contribution modifies on-screen components -->
+  - Screenshot
+
 ###### Steps To Test:
 <!-- What would someone do to be able to see the effects of your code? -->
   - Steps

README.md

@@ -4,7 +4,7 @@
     <p align="center">
         <p>GitHub-inspired modern, intuitive and responsive charts with zero dependencies</p>
         <a href="https://frappe.github.io/charts">
-            <b>Explore the Demos »</b>
+            <b>Explore Demos »</b>
         </a>
     </p>
 </div>
@@ -36,7 +36,7 @@
     </a>
 </p>
 
-### Table of Contents
+### Contents
 * [Installation](#installation)
 * [Usage](#usage)
 * [License](#license)
@@ -56,9 +56,8 @@
 #### Usage
 ```js
 const data = {
-    labels: ["12am - 3am", "3am - 6pm", "6am - 9 A.M",
-        "9am - 12am", "12pm - 3pm", "3pm - 6pm",
-        "6pm - 9pm", "9am - 12am"
+    labels: ["12am-3am", "3am-6pm", "6am-9am", "9am-12am",
+        "12pm-3pm", "3pm-6pm", "6pm-9pm", "9am-12am"
     ],
     datasets: [
         {

src/scripts/charts/BaseChart.js

@@ -4,12 +4,10 @@ import Chart from '../charts';
 
 export default class BaseChart {
 	constructor({
-		parent = "",
 		height = 240,
 
 		title = '', subtitle = '',
 
-		data = {},
 		format_lambdas = {},
 
 		summary = [],
@@ -17,7 +15,10 @@ export default class BaseChart {
 		is_navigable = 0,
 		has_legend = 0,
 
-		type = '' // eslint-disable-line no-unused-vars
+		type = '', // eslint-disable-line no-unused-vars
+
+		parent,
+		data
 	}) {
 		this.raw_chart_args = arguments[0];
 
@@ -81,6 +82,10 @@ export default class BaseChart {
 	}
 
 	setup() {
+		if(!this.parent) {
+			console.error("No parent element to render on was provided.");
+			return;
+		}
 		this.bind_window_events();
 		this.refresh(true);
 	}