1 files changed, 62 insertions, 0 deletions
diff --git a/resources/src/startup.js b/resources/src/startup.js
new file mode 100644
index 00000000..a62cc9d6
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+++ b/resources/src/startup.js
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+/**
+ * This script provides a function which is run to evaluate whether or not to
+ * continue loading jQuery and the MediaWiki modules. This code should work on
+ * even the most ancient of browsers, so be very careful when editing.
+ */
+
+var mediaWikiLoadStart = ( new Date() ).getTime();
+
+/**
+ * Returns false for Grade C supported browsers.
+ *
+ * This function should only be used by the Startup module, do not expand it to
+ * be generally useful beyond startup.
+ *
+ * See also:
+ * - https://www.mediawiki.org/wiki/Compatibility#Browsers
+ * - https://jquery.com/browser-support/
+ */
+
+/*jshint unused: false */
+function isCompatible( ua ) {
+	if ( ua === undefined ) {
+		ua = navigator.userAgent;
+	}
+
+	// Browsers with outdated or limited JavaScript engines get the no-JS experience
+	return !(
+		// Internet Explorer < 8
+		( ua.indexOf( 'MSIE' ) !== -1 && parseFloat( ua.split( 'MSIE' )[1] ) < 8 ) ||
+		// Firefox < 3
+		( ua.indexOf( 'Firefox/' ) !== -1 && parseFloat( ua.split( 'Firefox/' )[1] ) < 3 ) ||
+		// Opera < 12
+		( ua.indexOf( 'Opera/' ) !== -1 && ( ua.indexOf( 'Version/' ) === -1 ?
+			// "Opera/x.y"
+			parseFloat( ua.split( 'Opera/' )[1] ) < 10 :
+			// "Opera/9.80 ... Version/x.y"
+			parseFloat( ua.split( 'Version/' )[1] ) < 12
+		) ) ||
+		// "Mozilla/0.0 ... Opera x.y"
+		( ua.indexOf( 'Opera ' ) !== -1 && parseFloat( ua.split( ' Opera ' )[1] ) < 10 ) ||
+		// BlackBerry < 6
+		ua.match( /BlackBerry[^\/]*\/[1-5]\./ ) ||
+		// Open WebOS < 1.5
+		ua.match( /webOS\/1\.[0-4]/ ) ||
+		// Anything PlayStation based.
+		ua.match( /PlayStation/i ) ||
+		// Any Symbian based browsers
+		ua.match( /SymbianOS|Series60/ ) ||
+		// Any NetFront based browser
+		ua.match( /NetFront/ ) ||
+		// Opera Mini, all versions
+		ua.match( /Opera Mini/ ) ||
+		// Nokia's Ovi Browser
+		ua.match( /S40OviBrowser/ ) ||
+		// Google Glass browser groks JS but UI is too limited
+		( ua.match( /Glass/ ) && ua.match( /Android/ ) )
+	);
+}
+
+/**
+ * The startUp() function will be auto-generated and added below.
+ */