Merge pull request #860 from Codeinwp/bugfix/859

Fix chart render issue in iOS browser

Author: cristian-ungureanu

.github/workflows/test-php.yml

@@ -51,7 +51,7 @@ jobs:
         with:
           php-version: '7.1'
           extensions: simplexml, mysql
-          tools: phpunit:7.5.15
+          tools: phpunit-polyfills
       - name: Checkout source code
         uses: actions/checkout@v2
       - name: Install WordPress Test Suite

classes/Visualizer/Gutenberg/build/block.js

@@ -61,6 +61,12 @@ class ChartRender extends Component {
             footer = __( 'Annotations in this chart may not display here but they will display in the front end.' );
         }
 
+		if ( this.props.chart['visualizer-series'] && 0 <= [ 'date', 'datetime', 'timeofday' ].indexOf( this.props.chart['visualizer-series'][0].type ) ) {
+			if ( this.props.chart['visualizer-settings'] && '' == this.props.chart['visualizer-settings'].hAxis.format ) {
+				this.props.chart['visualizer-settings'].hAxis.format = 'YYYY-MM-dd';
+			}
+		}
+
 		return (
 			<div className={ this.props.className }>