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i >= 0; i--) {\n            if (div.childNodes[i].nodeName.toLowerCase() !== 'svg') {\n                div.removeChild(div.childNodes[i]);\n            }\n        }\n        // must only have 1 root element\n        var svgElm = div.firstElementChild;\n        if (svgElm && svgElm.nodeName.toLowerCase() === 'svg') {\n            svgElm.setAttribute('class', 's-ion-icon');\n            // root element must be an svg\n            // lets double check we've got valid elements\n            // do not allow scripts\n            if (isValid(svgElm)) {\n                return div.innerHTML;\n            }\n        }\n    }\n    return '';\n};\nvar isValid = function (elm) {\n    if (elm.nodeType === 1) {\n        if (elm.nodeName.toLowerCase() === 'script') {\n            return false;\n        }\n        for (var i = 0; i < elm.attributes.length; i++) {\n            var val = elm.attributes[i].value;\n            if (isStr(val) && val.toLowerCase().indexOf('on') === 0) {\n                return false;\n            }\n        }\n        for (var i = 0; i < elm.childNodes.length; i++) {\n            if (!isValid(elm.childNodes[i])) {\n                return false;\n            }\n        }\n    }\n    return true;\n};\nvar requests = new Map();\nvar getSvgContent = function (url) {\n    // see if we already have a request for this url\n    var req = requests.get(url);\n    if (!req) {\n        // we don't already have a request\n        req = fetch(url).then(function (rsp) {\n            if (rsp.status <= 299) {\n                return rsp.text();\n            }\n            return Promise.resolve(null);\n        }).then(function (svgContent) { return validateContent(svgContent); });\n        // cache for the same requests\n        requests.set(url, req);\n    }\n    return req;\n};\n/**\n * @virtualProp {\"ios\" | \"md\"} mode - The mode determines which platform styles to use.\n */\nvar Icon = /** @class */ (function () {\n    function Icon(hostRef) {\n        registerInstance(this, hostRef);\n        this.mode = getIonMode(this);\n        this.isVisible = false;\n        /**\n         * If enabled, ion-icon will be loaded lazily when it's visible in the viewport.\n         * Default, `false`.\n         */\n        this.lazy = false;\n    }\n    Icon.prototype.connectedCallback = function () {\n        var _this = this;\n        // purposely do not return the promise here because loading\n        // the svg file should not hold up loading the app\n        // only load the svg if it's visible\n        this.waitUntilVisible(this.el, '50px', function () {\n            _this.isVisible = true;\n            _this.loadIcon();\n        });\n    };\n    Icon.prototype.disconnectedCallback = function () {\n        if (this.io) {\n            this.io.disconnect();\n            this.io = undefined;\n        }\n    };\n    Icon.prototype.waitUntilVisible = function (el, rootMargin, cb) {\n        var _this = this;\n        if (this.lazy && typeof window !== 'undefined' && window.IntersectionObserver) {\n            var io_1 = this.io = new window.IntersectionObserver(function (data) {\n                if (data[0].isIntersecting) {\n                    io_1.disconnect();\n                    _this.io = undefined;\n                    cb();\n                }\n            }, { rootMargin: rootMargin });\n            io_1.observe(el);\n        }\n        else {\n            // browser doesn't support IntersectionObserver\n            // so just fallback to always show it\n            cb();\n        }\n    };\n    Icon.prototype.loadIcon = function () {\n        var _this = this;\n        if (this.isVisible) {\n            var url = getUrl(this);\n            if (url) {\n                getSvgContent(url)\n                    .then(function (svgContent) { return _this.svgContent = svgContent; });\n            }\n        }\n        if (!this.ariaLabel) {\n            var label = getName(this.name, this.icon, this.mode, this.ios, this.md);\n            // user did not provide a label\n            // come up with the label based on the icon name\n            if (label) {\n                this.ariaLabel = label\n                    .replace('ios-', '')\n                    .replace('md-', '')\n                    .replace(/\\-/g, ' ');\n            }\n        }\n    };\n    Icon.prototype.render = function () {\n        var _a, _b;\n        var mode = this.mode || 'md';\n        var flipRtl = this.flipRtl || (this.ariaLabel && this.ariaLabel.indexOf('arrow') > -1 && this.flipRtl !== false);\n        return (h(Host, { role: \"img\", class: Object.assign((_a = {}, _a[mode] = true, _a), createColorClasses(this.color), (_b = {}, _b[\"icon-\" + this.size] = !!this.size, _b['flip-rtl'] = !!flipRtl && this.el.ownerDocument.dir === 'rtl', _b)) }, ((this.svgContent)\n            ? h(\"div\", { class: \"icon-inner\", innerHTML: this.svgContent })\n            : h(\"div\", { class: \"icon-inner\" }))));\n    };\n    Object.defineProperty(Icon, \"assetsDirs\", {\n        get: function () { return [\"svg\"]; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(Icon.prototype, \"el\", {\n        get: function () { return getElement(this); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(Icon, \"watchers\", {\n        get: function () {\n            return {\n                \"name\": [\"loadIcon\"],\n                \"src\": [\"loadIcon\"],\n                \"icon\": [\"loadIcon\"]\n            };\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(Icon, \"style\", {\n        get: function () { return \":host{display:inline-block;width:1em;height:1em;contain:strict;fill:currentColor;-webkit-box-sizing:content-box!important;box-sizing:content-box!important}.icon-inner,svg{display:block;height:100%;width:100%}:host(.flip-rtl) .icon-inner{-webkit-transform:scaleX(-1);transform:scaleX(-1)}:host(.icon-small){font-size:18px!important}:host(.icon-large){font-size:32px!important}:host(.ion-color){color:var(--ion-color-base)!important}:host(.ion-color-primary){--ion-color-base:var(--ion-color-primary,#3880ff)}:host(.ion-color-secondary){--ion-color-base:var(--ion-color-secondary,#0cd1e8)}:host(.ion-color-tertiary){--ion-color-base:var(--ion-color-tertiary,#f4a942)}:host(.ion-color-success){--ion-color-base:var(--ion-color-success,#10dc60)}:host(.ion-color-warning){--ion-color-base:var(--ion-color-warning,#ffce00)}:host(.ion-color-danger){--ion-color-base:var(--ion-color-danger,#f14141)}:host(.ion-color-light){--ion-color-base:var(--ion-color-light,#f4f5f8)}:host(.ion-color-medium){--ion-color-base:var(--ion-color-medium,#989aa2)}:host(.ion-color-dark){--ion-color-base:var(--ion-color-dark,#222428)}\"; },\n        enumerable: true,\n        configurable: true\n    });\n    return Icon;\n}());\nvar getIonMode = function (ref) {\n    return getMode(ref) || document.documentElement.getAttribute('mode') || 'md';\n};\nvar createColorClasses = function (color) {\n    var _a;\n    return (color) ? (_a = {\n            'ion-color': true\n        },\n        _a[\"ion-color-\" + color] = true,\n        _a) : null;\n};\nexport { Icon as ion_icon };\n"],"sourceRoot":""}