Build: Update eslint config and fix associated errors

.eslintrc

@@ -3,9 +3,5 @@
 	"root": true,
 	"env": {
 		"node": true
-	},
-	rules: {
-		// Until https://github.com/jquery/eslint-config-jquery/issues/7 is resolved
-		"no-unused-expressions": "error"
 	}
 }

dist/.eslintrc

@@ -5,6 +5,7 @@
 		"no-multiple-empty-lines": "off",
 
 		// Because sizze is not compatible to jquery code style
+		"no-nested-ternary": "off",
 		"no-unused-expressions": "off",
 		"lines-around-comment": "off",
 		"space-in-parens": "off",

package.json

@@ -29,7 +29,7 @@
     "commitplease": "2.3.1",
     "core-js": "2.2.2",
     "cross-spawn": "2.2.3",
-    "eslint-config-jquery": "0.1.6",
+    "eslint-config-jquery": "1.0.0",
     "grunt": "1.0.1",
     "grunt-babel": "6.0.0",
     "grunt-cli": "1.2.0",

src/attributes/prop.js

@@ -66,12 +66,19 @@ jQuery.extend( {
 				// Use proper attribute retrieval(#12072)
 				var tabindex = jQuery.find.attr( elem, "tabindex" );
 
-				return tabindex ?
-					parseInt( tabindex, 10 ) :
+				if ( tabindex ) {
+					return parseInt( tabindex, 10 );
+				}
+
+				if (
 					rfocusable.test( elem.nodeName ) ||
-						rclickable.test( elem.nodeName ) && elem.href ?
-							0 :
-							-1;
+					rclickable.test( elem.nodeName ) &&
+					elem.href
+				) {
+					return 0;
+				}
+
+				return -1;
 			}
 		}
 	},

src/attributes/val.js

@@ -28,13 +28,13 @@ jQuery.fn.extend( {
 
 				ret = elem.value;
 
-				return typeof ret === "string" ?
+				// Handle most common string cases
+				if ( typeof ret === "string" ) {
+					return ret.replace( rreturn, "" );
+				}
 
-					// Handle most common string cases
-					ret.replace( rreturn, "" ) :
-
-					// Handle cases where value is null/undef or number
-					ret == null ? "" : ret;
+				// Handle cases where value is null/undef or number
+				return ret == null ? "" : ret;
 			}
 
 			return;
@@ -96,15 +96,19 @@ jQuery.extend( {
 		},
 		select: {
 			get: function( elem ) {
-				var value, option,
+				var value, option, i,
 					options = elem.options,
 					index = elem.selectedIndex,
 					one = elem.type === "select-one",
 					values = one ? null : [],
-					max = one ? index + 1 : options.length,
-					i = index < 0 ?
-						max :
-						one ? index : 0;
+					max = one ? index + 1 : options.length;
+
+				if ( index < 0 ) {
+					i = max;
+
+				} else {
+					i = one ? index : 0;
+				}
 
 				// Loop through all the selected options
 				for ( ; i < max; i++ ) {

src/core.js

@@ -64,13 +64,14 @@ jQuery.fn = jQuery.prototype = {
 	// Get the Nth element in the matched element set OR
 	// Get the whole matched element set as a clean array
 	get: function( num ) {
-		return num != null ?
 
-			// Return just the one element from the set
-			( num < 0 ? this[ num + this.length ] : this[ num ] ) :
+		// Return all the elements in a clean array
+		if ( num == null ) {
+			return slice.call( this );
+		}
 
-			// Return all the elements in a clean array
-			slice.call( this );
+		// Return just the one element from the set
+		return num < 0 ? this[ num + this.length ] : this[ num ];
 	},
 
 	// Take an array of elements and push it onto the stack

src/core/access.js

@@ -53,13 +53,16 @@ var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
 		}
 	}
 
-	return chainable ?
-		elems :
+	if ( chainable ) {
+		return elems;
+	}
 
-		// Gets
-		bulk ?
-			fn.call( elems ) :
-			len ? fn( elems[ 0 ], key ) : emptyGet;
+	// Gets
+	if ( bulk ) {
+		return fn.call( elems );
+	}
+
+	return len ? fn( elems[ 0 ], key ) : emptyGet;
 };
 
 return access;

src/css.js

@@ -70,16 +70,18 @@ function setPositiveNumber( elem, value, subtract ) {
 }
 
 function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
-	var i = extra === ( isBorderBox ? "border" : "content" ) ?
-
-		// If we already have the right measurement, avoid augmentation
-		4 :
-
-		// Otherwise initialize for horizontal or vertical properties
-		name === "width" ? 1 : 0,
-
+	var i,
 		val = 0;
 
+	// If we already have the right measurement, avoid augmentation
+	if ( extra === ( isBorderBox ? "border" : "content" ) ) {
+		i = 4;
+
+	// Otherwise initialize for horizontal or vertical properties
+	} else {
+		i = name === "width" ? 1 : 0;
+	}
+
 	for ( ; i < 4; i += 2 ) {
 
 		// Both box models exclude margin, so add it if we want it

src/data.js

@@ -20,6 +20,31 @@ define( [
 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
 	rmultiDash = /[A-Z]/g;
 
+function getData( data ) {
+	if ( data === "true" ) {
+		return true;
+	}
+
+	if ( data === "false" ) {
+		return false;
+	}
+
+	if ( data === "null" ) {
+		return null;
+	}
+
+	// Only convert to a number if it doesn't change the string
+	if ( data === +data + "" ) {
+		return +data;
+	}
+
+	if ( rbrace.test( data ) ) {
+		return JSON.parse( data );
+	}
+
+	return data;
+}
+
 function dataAttr( elem, key, data ) {
 	var name;
 
@@ -31,14 +56,7 @@ function dataAttr( elem, key, data ) {
 
 		if ( typeof data === "string" ) {
 			try {
-				data = data === "true" ? true :
-					data === "false" ? false :
-					data === "null" ? null :
-
-					// Only convert to a number if it doesn't change the string
-					+data + "" === data ? +data :
-					rbrace.test( data ) ? JSON.parse( data ) :
-					data;
+				data = getData( data );
 			} catch ( e ) {}
 
 			// Make sure we set the data so it isn't changed later

src/effects.js

@@ -453,9 +453,14 @@ jQuery.speed = function( speed, easing, fn ) {
 		opt.duration = 0;
 
 	} else {
-		opt.duration = typeof opt.duration === "number" ?
-			opt.duration : opt.duration in jQuery.fx.speeds ?
-				jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
+		if ( typeof opt.duration !== "number" ) {
+			if ( opt.duration in jQuery.fx.speeds ) {
+				opt.duration = jQuery.fx.speeds[ opt.duration ];
+
+			} else {
+				opt.duration = jQuery.fx.speeds._default;
+			}
+		}
 	}
 
 	// Normalize opt.queue - true/undefined/null -> "fx"

src/event.js

@@ -633,7 +633,19 @@ jQuery.each( {
 
 		// Add which for click: 1 === left; 2 === middle; 3 === right
 		if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
-			return ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );
+			if ( button & 1 ) {
+				return 1;
+			}
+
+			if ( button & 2 ) {
+				return 3;
+			}
+
+			if ( button & 4 ) {
+				return 2;
+			}
+
+			return 0;
 		}
 
 		return event.which;

src/manipulation/getAll.js

@@ -8,15 +8,23 @@ function getAll( context, tag ) {
 
 	// Support: IE <=9 - 11 only
 	// Use typeof to avoid zero-argument method invocation on host objects (#15151)
-	var ret = typeof context.getElementsByTagName !== "undefined" ?
-			context.getElementsByTagName( tag || "*" ) :
-			typeof context.querySelectorAll !== "undefined" ?
-				context.querySelectorAll( tag || "*" ) :
-			[];
+	var ret;
 
-	return tag === undefined || tag && jQuery.nodeName( context, tag ) ?
-		jQuery.merge( [ context ], ret ) :
-		ret;
+	if ( typeof context.getElementsByTagName !== "undefined" ) {
+		ret = context.getElementsByTagName( tag || "*" );
+
+	} else if ( typeof context.querySelectorAll !== "undefined" ) {
+		ret = context.querySelectorAll( tag || "*" );
+
+	} else {
+		ret = [];
+	}
+
+	if ( tag === undefined || tag && jQuery.nodeName( context, tag ) ) {
+		return jQuery.merge( [ context ], ret );
+	}
+
+	return ret;
 }
 
 return getAll;

src/serialize.js

@@ -111,13 +111,17 @@ jQuery.fn.extend( {
 		.map( function( i, elem ) {
 			var val = jQuery( this ).val();
 
-			return val == null ?
-				null :
-				jQuery.isArray( val ) ?
-					jQuery.map( val, function( val ) {
-						return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
-					} ) :
-					{ name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
+			if ( val == null ) {
+				return null;
+			}
+
+			if ( jQuery.isArray( val ) ) {
+				return jQuery.map( val, function( val ) {
+					return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
+				} );
+			}
+
+			return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
 		} ).get();
 	}
 } );

src/traversing/findFilter.js

@@ -45,11 +45,13 @@ jQuery.filter = function( expr, elems, not ) {
 		expr = ":not(" + expr + ")";
 	}
 
-	return elems.length === 1 && elem.nodeType === 1 ?
-		jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] :
-		jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
-			return elem.nodeType === 1;
-		} ) );
+	if ( elems.length === 1 && elem.nodeType === 1 ) {
+		return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
+	}
+
+	return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
+		return elem.nodeType === 1;
+	} ) );
 };
 
 jQuery.fn.extend( {

test/.eslintrc

@@ -50,7 +50,6 @@
 		"brace-style": "off",
 		"key-spacing": "off",
 		"camelcase": "off",
-		"dot-notaion": "off",
 
 		// Not really too much - waiting autofix features for these rules
 		"lines-around-comment": "off",