28 lines
989 B
JavaScript
28 lines
989 B
JavaScript
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"use strict";
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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exports.__esModule = true;
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exports.default = scrollPrarent;
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var _style = _interopRequireDefault(require("../style"));
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var _height = _interopRequireDefault(require("./height"));
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function scrollPrarent(node) {
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var position = (0, _style.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, _style.default)(node, 'position') === 'static',
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style = (0, _style.default)(node, 'overflow') + (0, _style.default)(node, 'overflow-y') + (0, _style.default)(node, 'overflow-x');
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if (isStatic) continue;
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if (/(auto|scroll)/.test(style) && (0, _height.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"];
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