76 lines
2.1 KiB
JavaScript
76 lines
2.1 KiB
JavaScript
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'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 = scrollTo;
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var _offset = require('../query/offset');
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var _offset2 = _interopRequireDefault(_offset);
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var _height = require('../query/height');
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var _height2 = _interopRequireDefault(_height);
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var _scrollParent = require('../query/scrollParent');
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var _scrollParent2 = _interopRequireDefault(_scrollParent);
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var _scrollTop = require('../query/scrollTop');
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var _scrollTop2 = _interopRequireDefault(_scrollTop);
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var _requestAnimationFrame = require('./requestAnimationFrame');
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var _requestAnimationFrame2 = _interopRequireDefault(_requestAnimationFrame);
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var _isWindow = require('../query/isWindow');
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var _isWindow2 = _interopRequireDefault(_isWindow);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function scrollTo(selected, scrollParent) {
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var offset = (0, _offset2.default)(selected);
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var poff = { top: 0, left: 0 };
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var list = void 0,
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listScrollTop = void 0,
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selectedTop = void 0,
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isWin = void 0;
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var selectedHeight = void 0,
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listHeight = void 0,
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bottom = void 0;
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if (!selected) return;
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list = scrollParent || (0, _scrollParent2.default)(selected);
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isWin = (0, _isWindow2.default)(list);
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listScrollTop = (0, _scrollTop2.default)(list);
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listHeight = (0, _height2.default)(list, true);
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isWin = (0, _isWindow2.default)(list);
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if (!isWin) poff = (0, _offset2.default)(list);
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offset = {
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top: offset.top - poff.top,
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left: offset.left - poff.left,
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height: offset.height,
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width: offset.width
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};
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selectedHeight = offset.height;
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selectedTop = offset.top + (isWin ? 0 : listScrollTop);
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bottom = selectedTop + selectedHeight;
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listScrollTop = listScrollTop > selectedTop ? selectedTop : bottom > listScrollTop + listHeight ? bottom - listHeight : listScrollTop;
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var id = (0, _requestAnimationFrame2.default)(function () {
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return (0, _scrollTop2.default)(list, listScrollTop);
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});
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return function () {
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return _requestAnimationFrame2.default.cancel(id);
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};
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}
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module.exports = exports['default'];
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