43 lines
1.3 KiB
JavaScript
43 lines
1.3 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.isBody = isBody;
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exports.default = isOverflowing;
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var _isWindow = require('dom-helpers/query/isWindow');
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var _isWindow2 = _interopRequireDefault(_isWindow);
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var _ownerDocument = require('dom-helpers/ownerDocument');
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var _ownerDocument2 = _interopRequireDefault(_ownerDocument);
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var _ownerWindow = require('dom-helpers/ownerWindow');
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var _ownerWindow2 = _interopRequireDefault(_ownerWindow);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function isBody(node) {
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return node && node.tagName.toLowerCase() === 'body';
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}
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// Do we have a scroll bar?
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function isOverflowing(container) {
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var doc = (0, _ownerDocument2.default)(container);
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var win = (0, _ownerWindow2.default)(doc);
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/* istanbul ignore next */
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if (!(0, _isWindow2.default)(doc) && !isBody(container)) {
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return container.scrollHeight > container.clientHeight;
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}
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// Takes in account potential non zero margin on the body.
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var style = win.getComputedStyle(doc.body);
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var marginLeft = parseInt(style.getPropertyValue('margin-left'), 10);
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var marginRight = parseInt(style.getPropertyValue('margin-right'), 10);
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return marginLeft + doc.body.clientWidth + marginRight < win.innerWidth;
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} |