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i < props.length; i++) {\r\n        var descriptor = props[i];\r\n        descriptor.enumerable = descriptor.enumerable || false;\r\n        descriptor.configurable = true;\r\n        if (\"value\" in descriptor) descriptor.writable = true;\r\n        Object.defineProperty(target, descriptor.key, descriptor);\r\n    }\r\n}\r\n\r\nfunction _createClass(Constructor, protoProps, staticProps) {\r\n    if (protoProps) { _defineProperties(Constructor.prototype, protoProps); }\r\n    if (staticProps) { _defineProperties(Constructor, staticProps); }\r\n    return Constructor;\r\n}\r\n\r\nvar ResponsiveBackgroundImage =\r\n    /*#__PURE__*/\r\n    (function () {\r\n        function ResponsiveBackgroundImage(element) {\r\n            var _this = this;\r\n\r\n            _classCallCheck(this, ResponsiveBackgroundImage);\r\n\r\n            this.element = element;\r\n            this.img = element.querySelector(\"img\");\r\n            this.src = \"\";\r\n            this.img.addEventListener(\"load\", function () {\r\n                _this.update();\r\n            });\r\n\r\n            if (this.img.complete) {\r\n                this.update();\r\n            }\r\n        }\r\n\r\n        _createClass(ResponsiveBackgroundImage, [\r\n            {\r\n                key: \"update\",\r\n                value: function update() {\r\n                    var src = typeof this.img.currentSrc !== \"undefined\" ? this.img.currentSrc : this.img.src;\r\n\r\n                    if (this.src !== src) {\r\n                        this.src = src;\r\n                        this.element.style.backgroundImage = 'url(\"' + this.src + '\")';\r\n                    }\r\n                }\r\n            }\r\n        ]);\r\n\r\n        return ResponsiveBackgroundImage;\r\n    })();\r\n\r\n$(function () {\r\n    var elements = document.querySelectorAll(\"[data-responsive-background-image]\");\r\n    for (var i = 0; i < elements.length; i++) {\r\n        new ResponsiveBackgroundImage(elements[i]);\r\n    }\r\n});\r\n"]}