Use changes in latest Straps.js to remove as many hidden parameters as possible.

Hidden parameters through arguments[] are bad news for JS optimizer engines.

bower.json

@@ -14,7 +14,7 @@
     "test"
   ],
   "devDependencies": {
-    "straps": "~1.4.2",
+    "straps": "~1.4.3",
     "acorn": "git://github.com/paperjs/acorn#0.3.2",
     "esprima": "~1.0.3",
     "stats.js": "r11"

src/basic/Point.js

@@ -491,7 +491,6 @@ var Point = Base.extend(/** @lends Point# */{
 				this.y * scale
 			);
 		}
-		return this;
 	},
 
 	/**
@@ -533,28 +532,16 @@ var Point = Base.extend(/** @lends Point# */{
 	 * @type Number
 	 */
 	getAngle: function(/* point */) {
-		// Hide parameters from Bootstrap so it injects bean too
 		return this.getAngleInRadians.apply(this, arguments) * 180 / Math.PI;
 	},
 
 	setAngle: function(angle) {
-		// We store a reference to _angle internally so we still preserve it
-		// when the vector's length is set to zero, and then anything else.
-		// Note that we cannot rely on it if x and y are something else than 0,
-		// since updating x / y does not automatically change _angle!
-		angle = this._angle = angle * Math.PI / 180;
-		if (!this.isZero()) {
-			var length = this.getLength();
-			// Use #set() instead of direct assignment of x/y, so LinkedPoint
-			// does not report changes twice.
-			this.set(
-				Math.cos(angle) * length,
-				Math.sin(angle) * length
-			);
-		}
-		return this;
+		this.setAngleInRadians.call(this, angle * Math.PI / 180);
 	},
 
+	getAngleInDegrees: '#getAngle',
+	setAngleInDegrees: '#setAngle',
+
 	/**
 	 * Returns the smaller angle between two vectors in radians. The angle is
 	 * unsigned, no information about rotational direction is given.
@@ -572,8 +559,7 @@ var Point = Base.extend(/** @lends Point# */{
 	 * @type Number
 	 */
 	getAngleInRadians: function(/* point */) {
-		// Hide parameters from Bootstrap so it injects bean too
-		if (arguments[0] === undefined) {
+		if (!arguments.length) {
 			return this.isZero()
 					// Return the preseved angle in case the vector has no
 					// length, and update the internal _angle in case the
@@ -592,8 +578,21 @@ var Point = Base.extend(/** @lends Point# */{
 		}
 	},
 
-	getAngleInDegrees: function(/* point */) {
-		return this.getAngle(arguments[0]);
+	setAngleInRadians: function(angle) {
+		// We store a reference to _angle internally so we still preserve it
+		// when the vector's length is set to zero, and then anything else.
+		// Note that we cannot rely on it if x and y are something else than 0,
+		// since updating x / y does not automatically change _angle!
+		this._angle = angle;
+		if (!this.isZero()) {
+			var length = this.getLength();
+			// Use #set() instead of direct assignment of x/y, so LinkedPoint
+			// does not report changes twice.
+			this.set(
+				Math.cos(angle) * length,
+				Math.sin(angle) * length
+			);
+		}
 	},
 
 	/**

src/basic/Rectangle.js

@@ -237,8 +237,8 @@ var Rectangle = Base.extend(/** @lends Rectangle# */{
 	 * @type Point
 	 * @bean
 	 */
-	getPoint: function(/* dontLink */) {
-		var ctor = arguments[0] ? Point : LinkedPoint;
+	getPoint: function(_dontLink) {
+		var ctor = _dontLink ? Point : LinkedPoint;
 		return new ctor(this.x, this.y, this, 'setPoint');
 	},
 
@@ -255,8 +255,8 @@ var Rectangle = Base.extend(/** @lends Rectangle# */{
 	 * @type Size
 	 * @bean
 	 */
-	getSize: function(/* dontLink */) {
-		var ctor = arguments[0] ? Size : LinkedSize;
+	getSize: function(_dontLink) {
+		var ctor = _dontLink ? Size : LinkedSize;
 		return new ctor(this.width, this.height, this, 'setSize');
 	},
 
@@ -401,8 +401,8 @@ var Rectangle = Base.extend(/** @lends Rectangle# */{
 	 * @type Point
 	 * @bean
 	 */
-	getCenter: function(/* dontLink */) {
-		var ctor = arguments[0] ? Point : LinkedPoint;
+	getCenter: function(_dontLink) {
+		var ctor = _dontLink ? Point : LinkedPoint;
 		return new ctor(this.getCenterX(), this.getCenterY(), this, 'setCenter');
 	},
 
@@ -812,8 +812,8 @@ var Rectangle = Base.extend(/** @lends Rectangle# */{
 				setY = 'set' + y,
 				get = 'get' + part,
 				set = 'set' + part;
-			this[get] = function(/* dontLink */) {
-				var ctor = arguments[0] ? Point : LinkedPoint;
+			this[get] = function(_dontLink) {
+				var ctor = _dontLink ? Point : LinkedPoint;
 				return new ctor(this[getX](), this[getY](), this, set);
 			};
 			this[set] = function(/* point */) {

src/item/Item.js

@@ -762,11 +762,11 @@ var Item = Base.extend(Callback, /** @lends Item# */{
 	 * // Move the circle 100 points to the right
 	 * circle.position.x += 100;
 	 */
-	getPosition: function(/* dontLink */) {
+	getPosition: function(_dontLink) {
 		// Cache position value.
-		// Pass true for dontLink in getCenter(), so receive back a normal point
+		// Pass true for _dontLink in getCenter(), so receive back a normal point
 		var position = this._position,
-			ctor = arguments[0] ? Point : LinkedPoint;
+			ctor = _dontLink ? Point : LinkedPoint;
 		// Do not cache LinkedPoints directly, since we would not be able to
 		// use them to calculate the difference in #setPosition, as when it is
 		// modified, it would hold new values already and only then cause the
@@ -784,7 +784,7 @@ var Item = Base.extend(Callback, /** @lends Item# */{
 
 	setPosition: function(/* point */) {
 		// Calculate the distance to the current position, by which to
-		// translate the item. Pass true for dontLink, as we do not need a
+		// translate the item. Pass true for _dontLink, as we do not need a
 		// LinkedPoint to simply calculate this distance.
 		this.translate(Point.read(arguments).subtract(this.getPosition(true)));
 	},
@@ -802,10 +802,10 @@ var Item = Base.extend(Callback, /** @lends Item# */{
 	 *
 	 * @example {@paperscript}
 	 */
-	getPivot: function(/* dontLink */) {
+	getPivot: function(_dontLink) {
 		var pivot = this._pivot;
 		if (pivot) {
-			var ctor = arguments[0] ? Point : LinkedPoint;
+			var ctor = _dontLink ? Point : LinkedPoint;
 			pivot = new ctor(pivot.x, pivot.y, this, 'setAnchor');
 		}
 		return pivot;
@@ -2790,7 +2790,7 @@ var Item = Base.extend(Callback, /** @lends Item# */{
 			// color styles (only gradients so far) and pivot point:
 			var pivot = this._pivot,
 				style = this._style,
-				// pass true for dontMerge so we don't recursively transform
+				// pass true for _dontMerge so we don't recursively transform
 				// styles on groups' children.
 				fillColor = style.getFillColor(true),
 				strokeColor = style.getStrokeColor(true);

src/item/Raster.js

@@ -244,13 +244,13 @@ var Raster = Item.extend(/** @lends Raster# */{
 	 * @type Context
 	 * @bean
 	 */
-	getContext: function(/* modify */) {
+	getContext: function(modify) {
 		if (!this._context)
 			this._context = this.getCanvas().getContext('2d');
 		// Support a hidden parameter that indicates if the context will be used
 		// to modify the Raster object. We can notify such changes ahead since
 		// they are only used afterwards for redrawing.
-		if (arguments[0]) {
+		if (modify) {
 			// Also set _image to null since the Raster stops representing it.
 			// NOTE: This should theoretically be in our own _changed() handler
 			// for ChangeFlag.PIXELS, but since it's only happening in one place

src/path/CompoundPath.js

@@ -228,11 +228,11 @@ var CompoundPath = PathItem.extend(/** @lends CompoundPath# */{
 		return area;
 	},
 
-	getPathData: function(/* precision */) {
+	getPathData: function(precision) {
 		var children = this._children,
 			paths = [];
 		for (var i = 0, l = children.length; i < l; i++)
-			paths.push(children[i].getPathData(arguments[0]));
+			paths.push(children[i].getPathData(precision));
 		return paths.join(' ');
 	},
 

src/path/CurveLocation.js

@@ -61,13 +61,13 @@ var CurveLocation = Base.extend(/** @lends CurveLocation# */{
 	 * @type Segment
 	 * @bean
 	 */
-	getSegment: function(/* preferFirst */) {
+	getSegment: function(_preferFirst) {
 		if (!this._segment) {
 			var curve = this.getCurve(),
 				parameter = this.getParameter();
 			if (parameter === 1) {
 				this._segment = curve._segment2;
-			} else if (parameter === 0 || arguments[0]) {
+			} else if (parameter === 0 || _preferFirst) {
 				this._segment = curve._segment1;
 			} else if (parameter == null) {
 				return null;
@@ -82,14 +82,21 @@ var CurveLocation = Base.extend(/** @lends CurveLocation# */{
 		return this._segment;
 	},
 
+	setSegment: function(segment) {
+		// NOTE: We only include this setter so the above getter can declare
+		// the _preferFirst parameter without having to hide it.
+		// See Strap.js beans conventions.
+		this._segment = segment;
+	},
+
 	/**
 	 * The curve by which the location is defined.
 	 *
 	 * @type Curve
 	 * @bean
 	 */
-	getCurve: function(/* uncached */) {
-		if (!this._curve || arguments[0]) {
+	getCurve: function(_uncached) {
+		if (!this._curve || _uncached) {
 			// If we're asked to get the curve uncached, access current curve
 			// objects through segment1 / segment2. Since path splitting or
 			// dividing might have happened in the meantime, try segment1's
@@ -102,6 +109,11 @@ var CurveLocation = Base.extend(/** @lends CurveLocation# */{
 		return this._curve;
 	},
 
+	setCurve: function(curve) {
+		// See #setSegment()
+		this._curve = curve;
+	},
+
 	/**
 	 * The curve location on the intersecting curve, if this location is the
 	 * result of a call to {@link PathItem#getIntersections(path)} /
@@ -179,14 +191,19 @@ var CurveLocation = Base.extend(/** @lends CurveLocation# */{
 	 * @type Number
 	 * @bean
 	 */
-	getParameter: function(/* uncached */) {
-		if ((this._parameter == null || arguments[0]) && this._point) {
-			var curve = this.getCurve(arguments[0] && this._point);
+	getParameter: function(_uncached) {
+		if ((this._parameter == null || _uncached) && this._point) {
+			var curve = this.getCurve(_uncached && this._point);
 			this._parameter = curve && curve.getParameterOf(this._point);
 		}
 		return this._parameter;
 	},
 
+	setParameter: function(parameter) {
+		// See #setSegment()
+		this._parameter = parameter;
+	},
+
 	/**
 	 * The point which is defined by the {@link #curve} and
 	 * {@link #parameter}.
@@ -194,14 +211,19 @@ var CurveLocation = Base.extend(/** @lends CurveLocation# */{
 	 * @type Point
 	 * @bean
 	 */
-	getPoint: function(/* uncached */) {
-		if ((!this._point || arguments[0]) && this._parameter != null) {
+	getPoint: function(_uncached) {
+		if ((!this._point || _uncached) && this._parameter != null) {
 			var curve = this.getCurve();
 			this._point = curve && curve.getPointAt(this._parameter, true);
 		}
 		return this._point;
 	},
 
+	setPoint: function(point) {
+		// See #setSegment()
+		this._point = point;
+	},
+
 	/**
 	 * The tangential vector to the {@link #curve} at the given location.
 	 *

src/path/Path.js

@@ -245,9 +245,8 @@ var Path = PathItem.extend(/** @lends Path# */{
 	 * @type String
 	 * @bean
 	 */
-	getPathData: function(/* precision */) {
+	getPathData: function(precision) {
 		var segments = this._segments,
-			precision = arguments[0],
 			f = Formatter.instance,
 			parts = [];
 
@@ -690,7 +689,7 @@ var Path = PathItem.extend(/** @lends Path# */{
 	 * // Select the path, so we can see its segments:
 	 * path.selected = true;
 	 */
-	removeSegments: function(from, to/*, includeCurves */) {
+	removeSegments: function(from, to, _includeCurves) {
 		from = from || 0;
 		to = Base.pick(to, this._segments.length);
 		var segments = this._segments,
@@ -724,7 +723,7 @@ var Path = PathItem.extend(/** @lends Path# */{
 			// Return the removed curves as well, if we're asked to include
 			// them, but exclude the first curve, since that's shared with the
 			// previous segment and does not connect the returned segments.
-			if (arguments[2])
+			if (_includeCurves)
 				removed._curves = curves.slice(1);
 			// Adjust segments for the curves before and after the removed ones
 			this._adjustCurves(index, index);

src/path/Segment.js

@@ -310,26 +310,24 @@ var Segment = Base.extend(/** @lends Segment# */{
 	 * // Select the third segment point:
 	 * path.segments[2].selected = true;
 	 */
-	isSelected: function(/* point */) {
-		var point = arguments[0], // Hidden, only used in SegmentPoint
-			state = this._selectionState;
-		return !point ? !!(state & /*#=*/ SelectionState.SEGMENT)
-			: point === this._point ? !!(state & /*#=*/ SelectionState.POINT)
-			: point === this._handleIn ? !!(state & /*#=*/ SelectionState.HANDLE_IN)
-			: point === this._handleOut ? !!(state & /*#=*/ SelectionState.HANDLE_OUT)
+	isSelected: function(_point) {
+		var state = this._selectionState;
+		return !_point ? !!(state & /*#=*/ SelectionState.SEGMENT)
+			: _point === this._point ? !!(state & /*#=*/ SelectionState.POINT)
+			: _point === this._handleIn ? !!(state & /*#=*/ SelectionState.HANDLE_IN)
+			: _point === this._handleOut ? !!(state & /*#=*/ SelectionState.HANDLE_OUT)
 			: false;
 	},
 
-	setSelected: function(selected /*, point */) {
-		var point = arguments[1]; // Hidden, only used in SegmentPoint
-			path = this._path,
+	setSelected: function(selected, _point) {
+		var path = this._path,
 			selected = !!selected, // convert to boolean
 			state = this._selectionState,
 			oldState = state,
-			flag = !point ? /*#=*/ SelectionState.SEGMENT
-					: point === this._point ? /*#=*/ SelectionState.POINT
-					: point === this._handleIn ? /*#=*/ SelectionState.HANDLE_IN
-					: point === this._handleOut ? /*#=*/ SelectionState.HANDLE_OUT
+			flag = !_point ? /*#=*/ SelectionState.SEGMENT
+					: _point === this._point ? /*#=*/ SelectionState.POINT
+					: _point === this._handleIn ? /*#=*/ SelectionState.HANDLE_IN
+					: _point === this._handleOut ? /*#=*/ SelectionState.HANDLE_OUT
 					: 0;
 		if (selected) {
 			state |= flag;

src/project/Symbol.js

@@ -115,7 +115,7 @@ var Symbol = Base.extend(/** @lends Symbol# */{
 		return this._definition;
 	},
 
-	setDefinition: function(item /*, dontCenter */) {
+	setDefinition: function(item, _dontCenter) {
 		// Make sure we're not steatling another symbol's definition
 		if (item._parentSymbol)
 			item = item.clone();
@@ -127,7 +127,7 @@ var Symbol = Base.extend(/** @lends Symbol# */{
 		item.remove();
 		item.setSelected(false);
 		// Move position to 0, 0, so it's centered when placed.
-		if (!arguments[1])
+		if (!_dontCenter)
 			item.setPosition(new Point());
 		item._parentSymbol = this;
 		this._changed(/*#=*/ Change.GEOMETRY);

src/style/Style.js

@@ -168,13 +168,13 @@ var Style = Base.extend(new function() {
 			}
 		};
 
-		fields[get] = function(/* dontMerge */) {
+		fields[get] = function(_dontMerge) {
 			var value,
 				children = this._item && this._item._children;
 			// If this item has children, walk through all of them and see if
 			// they all have the same style.
-			// If true is passed for dontMerge, don't merge children styles
-			if (!children || children.length === 0 || arguments[0]
+			// If true is passed for _dontMerge, don't merge children styles
+			if (!children || children.length === 0 || _dontMerge
 					|| this._item instanceof CompoundPath) {
 				var value = this._values[key];
 				if (value === undefined) {

src/ui/View.js

@@ -334,8 +334,8 @@ var View = Base.extend(Callback, /** @lends View# */{
 	 * @type Size
 	 * @bean
 	 */
-	getSize: function(/* dontLink */) {
-		return this.getBounds().getSize(arguments[0]);
+	getSize: function() {
+		return this.getBounds().getSize();
 	},
 
 	/**
@@ -344,8 +344,8 @@ var View = Base.extend(Callback, /** @lends View# */{
 	 * @type Point
 	 * @bean
 	 */
-	getCenter: function(/* dontLink */) {
-		return this.getBounds().getCenter(arguments[0]);
+	getCenter: function() {
+		return this.getBounds().getCenter();
 	},
 
 	setCenter: function(center) {