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wp-polyfill-dom-rect.js (1929B)

      1 
      2 // DOMRect
      3 (function (global) {
      4 	function number(v) {
      5 		return v === undefined ? 0 : Number(v);
      6 	}
      7 	
      8 	function different(u, v) {
      9 		return u !== v && !(isNaN(u) && isNaN(v));
     10 	}
     11 
     12 	function DOMRect(xArg, yArg, wArg, hArg) {
     13 		var x, y, width, height, left, right, top, bottom;
     14 
     15 		x = number(xArg);
     16 		y = number(yArg);
     17 		width = number(wArg);
     18 		height = number(hArg);
     19 
     20 		Object.defineProperties(this, {
     21 			x: {
     22 				get: function () { return x; },
     23 				set: function (newX) {
     24 					if (different(x, newX)) {
     25 						x = newX;
     26 						left = right = undefined;
     27 					}
     28 				},
     29 				enumerable: true
     30 			},
     31 			y: {
     32 				get: function () { return y; },
     33 				set: function (newY) {
     34 					if (different(y, newY)) {
     35 						y = newY;
     36 						top = bottom = undefined;
     37 					}
     38 				},
     39 				enumerable: true
     40 			},
     41 			width: {
     42 				get: function () { return width; },
     43 				set: function (newWidth) {
     44 					if (different(width, newWidth)) {
     45 						width = newWidth;
     46 						left = right = undefined;
     47 					}
     48 				},
     49 				enumerable: true
     50 			},
     51 			height: {
     52 				get: function () { return height; },
     53 				set: function (newHeight) {
     54 					if (different(height, newHeight)) {
     55 						height = newHeight;
     56 						top = bottom = undefined;
     57 					}
     58 				},
     59 				enumerable: true
     60 			},
     61 			left: {
     62 				get: function () {
     63 					if (left === undefined) {
     64 						left = x + Math.min(0, width);
     65 					}
     66 					return left;
     67 				},
     68 				enumerable: true
     69 			},
     70 			right: {
     71 				get: function () {
     72 					if (right === undefined) {
     73 						right = x + Math.max(0, width);
     74 					}
     75 					return right;
     76 				},
     77 				enumerable: true
     78 			},
     79 			top: {
     80 				get: function () {
     81 					if (top === undefined) {
     82 						top = y + Math.min(0, height);
     83 					}
     84 					return top;
     85 				},
     86 				enumerable: true
     87 			},
     88 			bottom: {
     89 				get: function () {
     90 					if (bottom === undefined) {
     91 						bottom = y + Math.max(0, height);
     92 					}
     93 					return bottom;
     94 				},
     95 				enumerable: true
     96 			}
     97 		});
     98 	}
     99 	
    100 	global.DOMRect = DOMRect;
    101 }(self));