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- "use strict";
- function _defaults(obj, defaults) { var keys = Object.getOwnPropertyNames(defaults); for (var i = 0; i < keys.length; i++) { var key = keys[i]; var value = Object.getOwnPropertyDescriptor(defaults, key); if (value && value.configurable && obj[key] === undefined) { Object.defineProperty(obj, key, value); } } return obj; }
- function _createSuper(Derived) { return function () { var Super = _getPrototypeOf(Derived), result; if (_isNativeReflectConstruct()) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
- function _possibleConstructorReturn(self, call) { if (call && (typeof call === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
- function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
- function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
- function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
- function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _defaults(subClass, superClass); }
- function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
- var Declaration = require('../declaration');
- var OverscrollBehavior = /*#__PURE__*/function (_Declaration) {
- _inheritsLoose(OverscrollBehavior, _Declaration);
- var _super = _createSuper(OverscrollBehavior);
- function OverscrollBehavior() {
- return _Declaration.apply(this, arguments) || this;
- }
- var _proto = OverscrollBehavior.prototype;
- /**
- * Change property name for IE
- */
- _proto.prefixed = function prefixed(prop, prefix) {
- return prefix + 'scroll-chaining';
- }
- /**
- * Return property name by spec
- */
- ;
- _proto.normalize = function normalize() {
- return 'overscroll-behavior';
- }
- /**
- * Change value for IE
- */
- ;
- _proto.set = function set(decl, prefix) {
- if (decl.value === 'auto') {
- decl.value = 'chained';
- } else if (decl.value === 'none' || decl.value === 'contain') {
- decl.value = 'none';
- }
- return _Declaration.prototype.set.call(this, decl, prefix);
- };
- return OverscrollBehavior;
- }(Declaration);
- _defineProperty(OverscrollBehavior, "names", ['overscroll-behavior', 'scroll-chaining']);
- module.exports = OverscrollBehavior;
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