44 lines
1.0 KiB
JavaScript
44 lines
1.0 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports['default'] = getScrollBarSize;
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var cached = void 0;
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function getScrollBarSize(fresh) {
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if (fresh || cached === undefined) {
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var inner = document.createElement('div');
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inner.style.width = '100%';
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inner.style.height = '200px';
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var outer = document.createElement('div');
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var outerStyle = outer.style;
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outerStyle.position = 'absolute';
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outerStyle.top = 0;
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outerStyle.left = 0;
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outerStyle.pointerEvents = 'none';
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outerStyle.visibility = 'hidden';
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outerStyle.width = '200px';
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outerStyle.height = '150px';
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outerStyle.overflow = 'hidden';
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outer.appendChild(inner);
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document.body.appendChild(outer);
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var widthContained = inner.offsetWidth;
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outer.style.overflow = 'scroll';
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var widthScroll = inner.offsetWidth;
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if (widthContained === widthScroll) {
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widthScroll = outer.clientWidth;
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}
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document.body.removeChild(outer);
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cached = widthContained - widthScroll;
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}
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return cached;
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} |