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166 lines
4.2 KiB
166 lines
4.2 KiB
2 years ago
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'use strict';
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Object.defineProperty(exports, '__esModule', { value: true });
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function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }
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var invariant = _interopDefault(require('tiny-invariant'));
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var getRect = function getRect(_ref) {
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var top = _ref.top,
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right = _ref.right,
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bottom = _ref.bottom,
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left = _ref.left;
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var width = right - left;
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var height = bottom - top;
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var rect = {
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top: top,
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right: right,
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bottom: bottom,
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left: left,
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width: width,
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height: height,
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x: left,
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y: top,
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center: {
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x: (right + left) / 2,
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y: (bottom + top) / 2
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}
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};
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return rect;
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};
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var expand = function expand(target, expandBy) {
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return {
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top: target.top - expandBy.top,
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left: target.left - expandBy.left,
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bottom: target.bottom + expandBy.bottom,
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right: target.right + expandBy.right
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};
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};
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var shrink = function shrink(target, shrinkBy) {
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return {
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top: target.top + shrinkBy.top,
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left: target.left + shrinkBy.left,
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bottom: target.bottom - shrinkBy.bottom,
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right: target.right - shrinkBy.right
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};
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};
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var shift = function shift(target, shiftBy) {
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return {
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top: target.top + shiftBy.y,
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left: target.left + shiftBy.x,
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bottom: target.bottom + shiftBy.y,
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right: target.right + shiftBy.x
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};
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};
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var noSpacing = {
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top: 0,
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right: 0,
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bottom: 0,
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left: 0
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};
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var createBox = function createBox(_ref2) {
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var borderBox = _ref2.borderBox,
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_ref2$margin = _ref2.margin,
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margin = _ref2$margin === void 0 ? noSpacing : _ref2$margin,
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_ref2$border = _ref2.border,
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border = _ref2$border === void 0 ? noSpacing : _ref2$border,
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_ref2$padding = _ref2.padding,
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padding = _ref2$padding === void 0 ? noSpacing : _ref2$padding;
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var marginBox = getRect(expand(borderBox, margin));
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var paddingBox = getRect(shrink(borderBox, border));
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var contentBox = getRect(shrink(paddingBox, padding));
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return {
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marginBox: marginBox,
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borderBox: getRect(borderBox),
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paddingBox: paddingBox,
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contentBox: contentBox,
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margin: margin,
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border: border,
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padding: padding
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};
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};
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var parse = function parse(raw) {
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var value = raw.slice(0, -2);
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var suffix = raw.slice(-2);
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if (suffix !== 'px') {
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return 0;
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}
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var result = Number(value);
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!!isNaN(result) ? process.env.NODE_ENV !== "production" ? invariant(false, "Could not parse value [raw: " + raw + ", without suffix: " + value + "]") : invariant(false) : void 0;
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return result;
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};
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var getWindowScroll = function getWindowScroll() {
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return {
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x: window.pageXOffset,
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y: window.pageYOffset
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};
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};
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var offset = function offset(original, change) {
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var borderBox = original.borderBox,
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border = original.border,
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margin = original.margin,
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padding = original.padding;
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var shifted = shift(borderBox, change);
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return createBox({
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borderBox: shifted,
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border: border,
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margin: margin,
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padding: padding
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});
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};
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var withScroll = function withScroll(original, scroll) {
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if (scroll === void 0) {
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scroll = getWindowScroll();
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}
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return offset(original, scroll);
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};
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var calculateBox = function calculateBox(borderBox, styles) {
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var margin = {
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top: parse(styles.marginTop),
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right: parse(styles.marginRight),
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bottom: parse(styles.marginBottom),
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left: parse(styles.marginLeft)
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};
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var padding = {
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top: parse(styles.paddingTop),
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right: parse(styles.paddingRight),
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bottom: parse(styles.paddingBottom),
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left: parse(styles.paddingLeft)
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};
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var border = {
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top: parse(styles.borderTopWidth),
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right: parse(styles.borderRightWidth),
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bottom: parse(styles.borderBottomWidth),
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left: parse(styles.borderLeftWidth)
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};
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return createBox({
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borderBox: borderBox,
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margin: margin,
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padding: padding,
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border: border
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});
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};
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var getBox = function getBox(el) {
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var borderBox = el.getBoundingClientRect();
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var styles = window.getComputedStyle(el);
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return calculateBox(borderBox, styles);
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};
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exports.calculateBox = calculateBox;
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exports.createBox = createBox;
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exports.expand = expand;
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exports.getBox = getBox;
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exports.getRect = getRect;
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exports.offset = offset;
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exports.shrink = shrink;
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exports.withScroll = withScroll;
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