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  1. {"ast":null,"code":"var _extends = Object.assign || function (target) {\n for (var i = 1; i < arguments.length; i++) {\n var source = arguments[i];\n\n for (var key in source) {\n if (Object.prototype.hasOwnProperty.call(source, key)) {\n target[key] = source[key];\n }\n }\n }\n\n return target;\n};\n\nfunction _objectWithoutProperties(obj, keys) {\n var target = {};\n\n for (var i in obj) {\n if (keys.indexOf(i) >= 0) continue;\n if (!Object.prototype.hasOwnProperty.call(obj, i)) continue;\n target[i] = obj[i];\n }\n\n return target;\n}\n\nfunction _classCallCheck(instance, Constructor) {\n if (!(instance instanceof Constructor)) {\n throw new TypeError(\"Cannot call a class as a function\");\n }\n}\n\nfunction _possibleConstructorReturn(self, call) {\n if (!self) {\n throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n }\n\n return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self;\n}\n\nfunction _inherits(subClass, superClass) {\n if (typeof superClass !== \"function\" && superClass !== null) {\n throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass);\n }\n\n subClass.prototype = Object.create(superClass && superClass.prototype, {\n constructor: {\n value: subClass,\n enumerable: false,\n writable: true,\n configurable: true\n }\n });\n if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;\n}\n\nimport React from \"react\";\nimport PropTypes from \"prop-types\";\nimport invariant from \"invariant\";\nimport { createLocation } from \"history\";\n\nvar isModifiedEvent = function isModifiedEvent(event) {\n return !!(event.metaKey || event.altKey || event.ctrlKey || event.shiftKey);\n};\n/**\n * The public API for rendering a history-aware <a>.\n */\n\n\nvar Link = function (_React$Component) {\n _inherits(Link, _React$Component);\n\n function Link() {\n var _temp, _this, _ret;\n\n _classCallCheck(this, Link);\n\n for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {\n args[_key] = arguments[_key];\n }\n\n return _ret = (_temp = (_this = _possibleConstructorReturn(this, _React$Component.call.apply(_React$Component, [this].concat(args))), _this), _this.handleClick = function (event) {\n if (_this.props.onClick) _this.props.onClick(event);\n\n if (!event.defaultPrevented && // onClick prevented default\n event.button === 0 && // ignore everything but left clicks\n !_this.props.target && // let browser handle \"target=_blank\" etc.\n !isModifiedEvent(event) // ignore clicks with modifier keys\n ) {\n event.preventDefault();\n var history = _this.context.router.history;\n var _this$props = _this.props,\n replace = _this$props.replace,\n to = _this$props.to;\n\n if (replace) {\n history.replace(to);\n } else {\n history.push(to);\n }\n }\n }, _temp), _possibleConstructorReturn(_this, _ret);\n }\n\n Link.prototype.render = function render() {\n var _props = this.props,\n replace = _props.replace,\n to = _props.to,\n innerRef = _props.innerRef,\n props = _objectWithoutProperties(_props, [\"replace\", \"to\", \"innerRef\"]); // eslint-disable-line no-unused-vars\n\n\n invariant(this.context.router, \"You should not use <Link> outside a <Router>\");\n invariant(to !== undefined, 'You must specify the \"to\" property');\n var history = this.context.router.history;\n var location = typeof to === \"string\" ? createLocation(to, null, null, history.location) : to;\n var href = history.createHref(location);\n return React.createElement(\"a\", _extends({}, props, {\n onClick: this.handleClick,\n href: href,\n ref: innerRef\n }));\n };\n\n return Link;\n}(React.Component);\n\nLink.propTypes = {\n onClick: PropTypes.func,\n target: PropTypes.string,\n replace: PropTypes.bool,\n to: PropTypes.oneOfType([PropTypes.string, PropTypes.object]).isRequired,\n innerRef: PropTypes.oneOfType([PropTypes.string, PropTypes.func])\n};\nLink.defaultProps = {\n replace: false\n};\nLink.contextTypes = {\n router: PropTypes.shape({\n history: PropTypes.shape({\n push: PropTypes.func.isRequired,\n replace: PropTypes.func.isRequired,\n createHref: PropTypes.func.isRequired\n }).isRequired\n }).isRequired\n};\nexport default Link;","map":null,"metadata":{},"sourceType":"module"}