37 lines
1.1 KiB
JavaScript
37 lines
1.1 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 = scrollPrarent;
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var _style = require('../style');
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var _style2 = _interopRequireDefault(_style);
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var _height = require('./height');
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var _height2 = _interopRequireDefault(_height);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function scrollPrarent(node) {
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var position = (0, _style2.default)(node, 'position'),
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excludeStatic = position === 'absolute',
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ownerDoc = node.ownerDocument;
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if (position === 'fixed') return ownerDoc || document;
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while ((node = node.parentNode) && node.nodeType !== 9) {
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var isStatic = excludeStatic && (0, _style2.default)(node, 'position') === 'static',
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style = (0, _style2.default)(node, 'overflow') + (0, _style2.default)(node, 'overflow-y') + (0, _style2.default)(node, 'overflow-x');
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if (isStatic) continue;
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if (/(auto|scroll)/.test(style) && (0, _height2.default)(node) < node.scrollHeight) return node;
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}
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return document;
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}
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module.exports = exports['default']; |