Fix #11767. Modularize build and unit tests for exluding effects.

Closes gh-785. To build a version of jQuery without effects, use `grunt build:*:*:-effects`. The unit tests feature-check for the interfaces and skip the unit tests for effects if they don't detect it.

3 files changed, 139 insertions, 136 deletions

diff --git a/src/css.js b/src/css.js
index 214b4a77b..6668ed9b5 100644
--- a/src/css.js
+++ b/src/css.js
@@ -3,7 +3,8 @@
 // order is important!
 jQuery.cssExpand = [ "Top", "Right", "Bottom", "Left" ];
 
-var ralpha = /alpha\([^)]*\)/i,
+var curCSS, iframe, iframeDoc,
+	ralpha = /alpha\([^)]*\)/i,
 	ropacity = /opacity=([^)]*)/,
 	// fixed for IE9, see #8346
 	rupper = /([A-Z]|^ms)/g,
@@ -11,14 +12,14 @@ var ralpha = /alpha\([^)]*\)/i,
 	rnumnonpx = /^-?(?:\d*\.)?\d+(?!px)[^\d\s]+$/i,
 	rrelNum = /^([\-+])=([\-+.\de]+)/,
 	rmargin = /^margin/,
-
+	elemdisplay = {},
 	cssShow = { position: "absolute", visibility: "hidden", display: "block" },
 
 	cssExpand = jQuery.cssExpand,
 	cssPrefixes = [ "Webkit", "O", "Moz", "ms" ],
 	rposition = /^(top|right|bottom|left)$/,
 
-	curCSS;
+	eventsToggle = jQuery.fn.toggle;
 
 // return a css property mapped to a potentially vendor prefixed property
 function vendorPropName( style, name ) {
@@ -43,13 +44,83 @@ function vendorPropName( style, name ) {
 	return origName;
 }
 
-jQuery.fn.css = function( name, value ) {
-	return jQuery.access( this, function( elem, name, value ) {
-		return value !== undefined ?
-			jQuery.style( elem, name, value ) :
-			jQuery.css( elem, name );
-	}, name, value, arguments.length > 1 );
-};
+function showHide( elements, show ) {
+	var elem, display,
+		values = [],
+		index = 0,
+		length = elements.length;
+
+	for ( ; index < length; index++ ) {
+		elem = elements[ index ];
+		if ( !elem.style ) {
+			continue;
+		}
+		values[ index ] = jQuery._data( elem, "olddisplay" );
+		if ( show ) {
+			// Reset the inline display of this element to learn if it is
+			// being hidden by cascaded rules or not
+			if ( !values[ index ] && elem.style.display === "none" ) {
+				elem.style.display = "";
+			}
+
+			// Set elements which have been overridden with display: none
+			// in a stylesheet to whatever the default browser style is
+			// for such an element
+			if ( (elem.style.display === "" && curCSS( elem, "display" ) === "none") ||
+				!jQuery.contains( elem.ownerDocument.documentElement, elem ) ) {
+				values[ index ] = jQuery._data( elem, "olddisplay", jQuery.defaultDisplay(elem.nodeName) );
+			}
+		} else {
+			display = curCSS( elem, "display" );
+
+			if ( !values[ index ] && display !== "none" ) {
+				jQuery._data( elem, "olddisplay", display );
+			}
+		}
+	}
+
+	// Set the display of most of the elements in a second loop
+	// to avoid the constant reflow
+	for ( index = 0; index < length; index++ ) {
+		elem = elements[ index ];
+		if ( !elem.style ) {
+			continue;
+		}
+		if ( !show || elem.style.display === "none" || elem.style.display === "" ) {
+			elem.style.display = show ? values[ index ] || "" : "none";
+		}
+	}
+
+	return elements;
+}
+
+jQuery.fn.extend({
+	css: function( name, value ) {
+		return jQuery.access( this, function( elem, name, value ) {
+			return value !== undefined ?
+				jQuery.style( elem, name, value ) :
+				jQuery.css( elem, name );
+		}, name, value, arguments.length > 1 );
+	},
+	show: function() {
+		return showHide( this, true );
+	},
+	hide: function() {
+		return showHide( this );
+	},
+	toggle: function( fn, fn2 ) {
+		var bool = typeof fn === "boolean";
+
+		if ( jQuery.isFunction( fn ) && jQuery.isFunction( fn2 ) ) {
+			return eventsToggle.apply( this, arguments );
+		}
+
+		return this.each(function() {
+			var state = bool ? fn : jQuery( this ).is(":hidden");
+			showHide([ this ], state );
+		});
+	}
+});
 
 jQuery.extend({
 	// Add in style property hooks for overriding the default
@@ -200,6 +271,49 @@ jQuery.extend({
 		}
 
 		return ret;
+	},
+
+	// Try to determine the default display value of an element
+	defaultDisplay: function( nodeName ) {
+		if ( elemdisplay[ nodeName ] ) {
+			return elemdisplay[ nodeName ];
+		}
+
+		var elem = jQuery( "<" + nodeName + ">" ).appendTo( document.body ),
+			display = elem.css("display");
+		elem.remove();
+
+		// If the simple way fails,
+		// get element's real default display by attaching it to a temp iframe
+		if ( display === "none" || display === "" ) {
+			// Use the already-created iframe if possible
+			iframe = document.body.appendChild(
+				iframe || jQuery.extend( document.createElement("iframe"), {
+					frameBorder: 0,
+					width: 0,
+					height: 0
+				})
+			);
+
+			// Create a cacheable copy of the iframe document on first call.
+			// IE and Opera will allow us to reuse the iframeDoc without re-writing the fake HTML
+			// document to it; WebKit & Firefox won't allow reusing the iframe document.
+			if ( !iframeDoc || !iframe.createElement ) {
+				iframeDoc = ( iframe.contentWindow || iframe.contentDocument ).document;
+				iframeDoc.write("<!doctype html><html><body>");
+				iframeDoc.close();
+			}
+
+			elem = iframeDoc.body.appendChild( iframeDoc.createElement(nodeName) );
+
+			display = curCSS( elem, "display" );
+			document.body.removeChild( iframe );
+		}
+
+		// Store the correct default display
+		elemdisplay[ nodeName ] = display;
+
+		return display;
 	}
 });
 
diff --git a/src/effects.js b/src/effects.js
index c213e69d2..c2f04a049 100644
--- a/src/effects.js
+++ b/src/effects.js
@@ -1,7 +1,6 @@
 (function( jQuery ) {
 
-var fxNow, timerId, iframe, iframeDoc,
-	elemdisplay = {},
+var fxNow, timerId,
 	rfxtypes = /^(?:toggle|show|hide)$/,
 	rfxnum = /^([\-+]=)?((?:\d*\.)?\d+)([a-z%]*)$/i,
 	rrun = /queueHooks$/,
@@ -31,8 +30,7 @@ var fxNow, timerId, iframe, iframeDoc,
 			}
 			return tween;
 		}]
-	},
-	oldToggle = jQuery.fn.toggle;
+	};
 
 // Animations created synchronously will run synchronously
 function createFxNow() {
@@ -255,7 +253,7 @@ function defaultPrefilter( elem, props, opts ) {
 
 			// inline-level elements accept inline-block;
 			// block-level elements need to be inline with layout
-			if ( !jQuery.support.inlineBlockNeedsLayout || defaultDisplay( elem.nodeName ) === "inline" ) {
+			if ( !jQuery.support.inlineBlockNeedsLayout || jQuery.defaultDisplay( elem.nodeName ) === "inline" ) {
 				style.display = "inline-block";
 
 			} else {
@@ -290,10 +288,10 @@ function defaultPrefilter( elem, props, opts ) {
 	if ( length ) {
 		dataShow = jQuery._data( elem, "fxshow" ) || jQuery._data( elem, "fxshow", {} );
 		if ( hidden ) {
-			showHide([ elem ], true );
+			jQuery( elem ).show();
 		} else {
 			anim.finish(function() {
-				showHide([ elem ]);
+				jQuery( elem ).hide();
 			});
 		}
 		anim.finish(function() {
@@ -400,84 +398,18 @@ function isHidden( elem, el ) {
 	return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument.documentElement, elem );
 }
 
-function showHide( elements, show ) {
-	var elem, display,
-		values = [],
-		index = 0,
-		length = elements.length;
-
-	for ( ; index < length; index++ ) {
-		elem = elements[ index ];
-		if ( !elem.style ) {
-			continue;
-		}
-		values[ index ] = jQuery._data( elem, "olddisplay" );
-		if ( show ) {
-			// Reset the inline display of this element to learn if it is
-			// being hidden by cascaded rules or not
-			if ( !values[ index ] && elem.style.display === "none" ) {
-				elem.style.display = "";
-			}
-
-			// Set elements which have been overridden with display: none
-			// in a stylesheet to whatever the default browser style is
-			// for such an element
-			if ( elem.style.display === "" && isHidden( elem ) ) {
-				values[ index ] = jQuery._data( elem, "olddisplay", defaultDisplay( elem.nodeName ) );
-			}
-		} else {
-			display = jQuery.css( elem, "display" );
-
-			if ( !values[ index ] && display !== "none" ) {
-				jQuery._data( elem, "olddisplay", display );
-			}
-		}
-	}
-
-	// Set the display of most of the elements in a second loop
-	// to avoid the constant reflow
-	for ( index = 0; index < length; index++ ) {
-		elem = elements[ index ];
-		if ( !elem.style ) {
-			continue;
-		}
-		if ( !show || elem.style.display === "none" || elem.style.display === "" ) {
-			elem.style.display = show ? values[ index ] || "" : "none";
-		}
-	}
-
-	return elements;
-}
+jQuery.each([ "toggle", "show", "hide" ], function( i, name ) {
+	var cssFn = jQuery.fn[ name ];
+	jQuery.fn[ name ] = function( speed, easing, callback ) {
+		return speed == null || typeof speed === "boolean" ||
+			// special check for .toggle( handler, handler, ... )
+			( !i && jQuery.isFunction( speed ) && jQuery.isFunction( easing ) ) ?
+			cssFn.apply( this, arguments ) :
+			this.animate( genFx( name, true ), speed, easing, callback );
+	};
+});
 
 jQuery.fn.extend({
-	show: function( speed, easing, callback ) {
-		return speed || speed === 0 ?
-			this.animate( genFx( "show", true ), speed, easing, callback ) :
-			showHide( this, true );
-	},
-	hide: function( speed, easing, callback ) {
-		return speed || speed === 0 ?
-			this.animate( genFx( "hide", true ), speed, easing, callback ) :
-			showHide( this );
-	},
-	toggle: function( fn, fn2, callback ) {
-		var bool = typeof fn === "boolean";
-
-		if ( jQuery.isFunction( fn ) && jQuery.isFunction( fn2 ) ) {
-			oldToggle.apply( this, arguments );
-
-		} else if ( fn == null || bool ) {
-			this.each(function() {
-				var state = bool ? fn : isHidden( this );
-				showHide([ this ], state );
-			});
-
-		} else {
-			this.animate( genFx( "toggle", true ), fn, fn2, callback );
-		}
-
-		return this;
-	},
 	fadeTo: function( speed, to, easing, callback ) {
 
 		// show any hidden elements after setting opacity to 0
@@ -681,47 +613,4 @@ if ( jQuery.expr && jQuery.expr.filters ) {
 	};
 }
 
-// Try to restore the default display value of an element
-function defaultDisplay( nodeName ) {
-	if ( elemdisplay[ nodeName ] ) {
-		return elemdisplay[ nodeName ];
-	}
-
-	var elem = jQuery( "<" + nodeName + ">" ).appendTo( document.body ),
-		display = elem.css("display");
-	elem.remove();
-
-	// If the simple way fails,
-	// get element's real default display by attaching it to a temp iframe
-	if ( display === "none" || display === "" ) {
-		// Use the already-created iframe if possible
-		iframe = document.body.appendChild(
-			iframe || jQuery.extend( document.createElement("iframe"), {
-				frameBorder: 0,
-				width: 0,
-				height: 0
-			})
-		);
-
-		// Create a cacheable copy of the iframe document on first call.
-		// IE and Opera will allow us to reuse the iframeDoc without re-writing the fake HTML
-		// document to it; WebKit & Firefox won't allow reusing the iframe document.
-		if ( !iframeDoc || !iframe.createElement ) {
-			iframeDoc = ( iframe.contentWindow || iframe.contentDocument ).document;
-			iframeDoc.write("<!doctype html><html><body>");
-			iframeDoc.close();
-		}
-
-		elem = iframeDoc.body.appendChild( iframeDoc.createElement(nodeName) );
-
-		display = jQuery.css( elem, "display" );
-		document.body.removeChild( iframe );
-	}
-
-	// Store the correct default display
-	elemdisplay[ nodeName ] = display;
-
-	return display;
-}
-
 })( jQuery );
diff --git a/src/sizzle b/src/sizzle
-Subproject e844a8c04235cec865dff32af88bc3d498c3cd2
+Subproject feebbd7e053bff426444c7b348c776c99c7490e