You can not select more than 25 topics
			Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
		
		
		
		
		
			
		
			
				
					
					
						
							180 lines
						
					
					
						
							4.7 KiB
						
					
					
				
			
		
		
	
	
							180 lines
						
					
					
						
							4.7 KiB
						
					
					
				| (function (global, factory) {
 | |
|   typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
 | |
|   typeof define === 'function' && define.amd ? define(['exports'], factory) :
 | |
|   (global = global || self, factory(global.cssBoxModel = {}));
 | |
| }(this, function (exports) { 'use strict';
 | |
| 
 | |
|   var prefix = 'Invariant failed';
 | |
| 
 | |
|   function invariant(condition, message) {
 | |
|     if (condition) {
 | |
|       return;
 | |
|     }
 | |
| 
 | |
|     {
 | |
|       throw new Error(prefix + ": " + (message || ''));
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   var getRect = function getRect(_ref) {
 | |
|     var top = _ref.top,
 | |
|         right = _ref.right,
 | |
|         bottom = _ref.bottom,
 | |
|         left = _ref.left;
 | |
|     var width = right - left;
 | |
|     var height = bottom - top;
 | |
|     var rect = {
 | |
|       top: top,
 | |
|       right: right,
 | |
|       bottom: bottom,
 | |
|       left: left,
 | |
|       width: width,
 | |
|       height: height,
 | |
|       x: left,
 | |
|       y: top,
 | |
|       center: {
 | |
|         x: (right + left) / 2,
 | |
|         y: (bottom + top) / 2
 | |
|       }
 | |
|     };
 | |
|     return rect;
 | |
|   };
 | |
|   var expand = function expand(target, expandBy) {
 | |
|     return {
 | |
|       top: target.top - expandBy.top,
 | |
|       left: target.left - expandBy.left,
 | |
|       bottom: target.bottom + expandBy.bottom,
 | |
|       right: target.right + expandBy.right
 | |
|     };
 | |
|   };
 | |
|   var shrink = function shrink(target, shrinkBy) {
 | |
|     return {
 | |
|       top: target.top + shrinkBy.top,
 | |
|       left: target.left + shrinkBy.left,
 | |
|       bottom: target.bottom - shrinkBy.bottom,
 | |
|       right: target.right - shrinkBy.right
 | |
|     };
 | |
|   };
 | |
| 
 | |
|   var shift = function shift(target, shiftBy) {
 | |
|     return {
 | |
|       top: target.top + shiftBy.y,
 | |
|       left: target.left + shiftBy.x,
 | |
|       bottom: target.bottom + shiftBy.y,
 | |
|       right: target.right + shiftBy.x
 | |
|     };
 | |
|   };
 | |
| 
 | |
|   var noSpacing = {
 | |
|     top: 0,
 | |
|     right: 0,
 | |
|     bottom: 0,
 | |
|     left: 0
 | |
|   };
 | |
|   var createBox = function createBox(_ref2) {
 | |
|     var borderBox = _ref2.borderBox,
 | |
|         _ref2$margin = _ref2.margin,
 | |
|         margin = _ref2$margin === void 0 ? noSpacing : _ref2$margin,
 | |
|         _ref2$border = _ref2.border,
 | |
|         border = _ref2$border === void 0 ? noSpacing : _ref2$border,
 | |
|         _ref2$padding = _ref2.padding,
 | |
|         padding = _ref2$padding === void 0 ? noSpacing : _ref2$padding;
 | |
|     var marginBox = getRect(expand(borderBox, margin));
 | |
|     var paddingBox = getRect(shrink(borderBox, border));
 | |
|     var contentBox = getRect(shrink(paddingBox, padding));
 | |
|     return {
 | |
|       marginBox: marginBox,
 | |
|       borderBox: getRect(borderBox),
 | |
|       paddingBox: paddingBox,
 | |
|       contentBox: contentBox,
 | |
|       margin: margin,
 | |
|       border: border,
 | |
|       padding: padding
 | |
|     };
 | |
|   };
 | |
| 
 | |
|   var parse = function parse(raw) {
 | |
|     var value = raw.slice(0, -2);
 | |
|     var suffix = raw.slice(-2);
 | |
| 
 | |
|     if (suffix !== 'px') {
 | |
|       return 0;
 | |
|     }
 | |
| 
 | |
|     var result = Number(value);
 | |
|     !!isNaN(result) ?  invariant(false, "Could not parse value [raw: " + raw + ", without suffix: " + value + "]")  : void 0;
 | |
|     return result;
 | |
|   };
 | |
| 
 | |
|   var getWindowScroll = function getWindowScroll() {
 | |
|     return {
 | |
|       x: window.pageXOffset,
 | |
|       y: window.pageYOffset
 | |
|     };
 | |
|   };
 | |
| 
 | |
|   var offset = function offset(original, change) {
 | |
|     var borderBox = original.borderBox,
 | |
|         border = original.border,
 | |
|         margin = original.margin,
 | |
|         padding = original.padding;
 | |
|     var shifted = shift(borderBox, change);
 | |
|     return createBox({
 | |
|       borderBox: shifted,
 | |
|       border: border,
 | |
|       margin: margin,
 | |
|       padding: padding
 | |
|     });
 | |
|   };
 | |
|   var withScroll = function withScroll(original, scroll) {
 | |
|     if (scroll === void 0) {
 | |
|       scroll = getWindowScroll();
 | |
|     }
 | |
| 
 | |
|     return offset(original, scroll);
 | |
|   };
 | |
|   var calculateBox = function calculateBox(borderBox, styles) {
 | |
|     var margin = {
 | |
|       top: parse(styles.marginTop),
 | |
|       right: parse(styles.marginRight),
 | |
|       bottom: parse(styles.marginBottom),
 | |
|       left: parse(styles.marginLeft)
 | |
|     };
 | |
|     var padding = {
 | |
|       top: parse(styles.paddingTop),
 | |
|       right: parse(styles.paddingRight),
 | |
|       bottom: parse(styles.paddingBottom),
 | |
|       left: parse(styles.paddingLeft)
 | |
|     };
 | |
|     var border = {
 | |
|       top: parse(styles.borderTopWidth),
 | |
|       right: parse(styles.borderRightWidth),
 | |
|       bottom: parse(styles.borderBottomWidth),
 | |
|       left: parse(styles.borderLeftWidth)
 | |
|     };
 | |
|     return createBox({
 | |
|       borderBox: borderBox,
 | |
|       margin: margin,
 | |
|       padding: padding,
 | |
|       border: border
 | |
|     });
 | |
|   };
 | |
|   var getBox = function getBox(el) {
 | |
|     var borderBox = el.getBoundingClientRect();
 | |
|     var styles = window.getComputedStyle(el);
 | |
|     return calculateBox(borderBox, styles);
 | |
|   };
 | |
| 
 | |
|   exports.calculateBox = calculateBox;
 | |
|   exports.createBox = createBox;
 | |
|   exports.expand = expand;
 | |
|   exports.getBox = getBox;
 | |
|   exports.getRect = getRect;
 | |
|   exports.offset = offset;
 | |
|   exports.shrink = shrink;
 | |
|   exports.withScroll = withScroll;
 | |
| 
 | |
|   Object.defineProperty(exports, '__esModule', { value: true });
 | |
| 
 | |
| }));
 |