renamed render warnings and now built into the brewrenderer

shared/homebrewery/renderWarnings/renderWarnings.jsx

@@ -0,0 +1,58 @@
+
+const React = require('react');
+const _     = require('lodash');
+const cx    = require('classnames');
+
+const RenderWarnings = React.createClass({
+	getInitialState: function() {
+		return {
+			warnings: {}
+		};
+	},
+	componentDidMount: function() {
+		this.checkWarnings();
+
+		//TODO: Setup event for window zoom
+
+	},
+	warnings : {
+		chrome : function(){
+			const isChrome = /Chrome/.test(navigator.userAgent) && /Google Inc/.test(navigator.vendor);
+			if(!isChrome){
+				return <li key='chrome'>
+					<em>Built for Chrome </em> <br />
+					Other browsers do not support key features this site uses.
+				</li>;
+			}
+		},
+		zoom : function(){
+			if(window.devicePixelRatio !== 1){
+				return <li key='zoom'>
+					<em>Your browser is zoomed. </em> <br />
+					This can cause content to jump columns.
+				</li>;
+			}
+		}
+	},
+	checkWarnings : function(){
+		this.setState({
+			warnings : _.reduce(this.warnings, (r, fn, type) => {
+				const element = fn();
+				if(element) r[type] = element;
+				return r;
+			}, {})
+		})
+	},
+	render: function(){
+		if(_.isEmpty(this.state.warnings)) return null;
+
+		return <div className='renderWarnings'>
+			<i className='fa fa-exclamation-triangle' />
+			<h3>Render Warnings</h3>
+			<small>If this homebrew is rendering badly if might be because of the following:</small>
+			<ul>{_.values(this.state.warnings)}</ul>
+		</div>
+	}
+});
+
+module.exports = RenderWarnings;