1 files changed, 45 insertions, 0 deletions
diff --git a/resources/src/mediawiki.special/mediawiki.special.block.js b/resources/src/mediawiki.special/mediawiki.special.block.js
new file mode 100644
index 00000000..8579e054
--- /dev/null
+++ b/resources/src/mediawiki.special/mediawiki.special.block.js
@@ -0,0 +1,45 @@
+/*!
+ * JavaScript for Special:Block
+ */
+( function ( mw, $ ) {
+	$( function () {
+		var $blockTarget = $( '#mw-bi-target' ),
+			$anonOnlyRow = $( '#mw-input-wpHardBlock' ).closest( 'tr' ),
+			$enableAutoblockRow = $( '#mw-input-wpAutoBlock' ).closest( 'tr' ),
+			$hideUser = $( '#mw-input-wpHideUser' ).closest( 'tr' ),
+			$watchUser = $( '#mw-input-wpWatch' ).closest( 'tr' );
+
+		function updateBlockOptions( instant ) {
+			var blocktarget = $.trim( $blockTarget.val() ),
+				isEmpty = blocktarget === '',
+				isIp = mw.util.isIPv4Address( blocktarget, true ) || mw.util.isIPv6Address( blocktarget, true ),
+				isIpRange = isIp && blocktarget.match( /\/\d+$/ );
+
+			if ( isIp && !isEmpty ) {
+				$enableAutoblockRow.goOut( instant );
+				$hideUser.goOut( instant );
+			} else {
+				$enableAutoblockRow.goIn( instant );
+				$hideUser.goIn( instant );
+			}
+			if ( !isIp && !isEmpty ) {
+				$anonOnlyRow.goOut( instant );
+			} else {
+				$anonOnlyRow.goIn( instant );
+			}
+			if ( isIpRange && !isEmpty ) {
+				$watchUser.goOut( instant );
+			} else {
+				$watchUser.goIn( instant );
+			}
+		}
+
+		if ( $blockTarget.length ) {
+			// Bind functions so they're checked whenever stuff changes
+			$blockTarget.keyup( updateBlockOptions );
+
+			// Call them now to set initial state (ie. Special:Block/Foobar?wpBlockExpiry=2+hours)
+			updateBlockOptions( /* instant= */ true );
+		}
+	} );
+}( mediaWiki, jQuery ) );