{"ast":null,"code":"/*!\n * (C) Ionic http://ionicframework.com - MIT License\n */\nimport { k as getAssetPath, r as registerInstance, d as createEvent, h, f as Host, i as getElement } from './index-28849c61.js';\nimport { l as hasShadowDom, i as inheritAriaAttributes } from './helpers-da915de8.js';\nimport { p as printIonWarning } from './index-9b0d46f4.js';\nimport { o as openURL, c as createColorClasses$1, h as hostContext } from './theme-01f3f29c.js';\nimport { b as getIonMode$1 } from './ionic-global-c81d82ab.js';\nlet CACHED_MAP;\nconst getIconMap = () => {\n if (typeof window === 'undefined') {\n return new Map();\n } else {\n if (!CACHED_MAP) {\n const win = window;\n win.Ionicons = win.Ionicons || {};\n CACHED_MAP = win.Ionicons.map = win.Ionicons.map || new Map();\n }\n return CACHED_MAP;\n }\n};\nconst getUrl = i => {\n let url = getSrc(i.src);\n if (url) {\n return url;\n }\n url = getName(i.name, i.icon, i.mode, i.ios, i.md);\n if (url) {\n return getNamedUrl(url, i);\n }\n if (i.icon) {\n url = getSrc(i.icon);\n if (url) {\n return url;\n }\n url = getSrc(i.icon[i.mode]);\n if (url) {\n return url;\n }\n }\n return null;\n};\nconst getNamedUrl = (iconName, iconEl) => {\n const url = getIconMap().get(iconName);\n if (url) {\n return url;\n }\n try {\n return getAssetPath(`svg/${iconName}.svg`);\n } catch (e) {\n /**\n * In the custom elements build version of ionicons, referencing an icon\n * by name will throw an invalid URL error because the asset path is not defined.\n * This catches that error and logs something that is more developer-friendly.\n * We also include a reference to the ion-icon element so developers can\n * figure out which instance of ion-icon needs to be updated.\n */\n console.warn(`[Ionicons Warning]: Could not load icon with name \"${iconName}\". Ensure that the icon is registered using addIcons or that the icon SVG data is passed directly to the icon component.`, iconEl);\n }\n};\nconst getName = (iconName, icon, mode, ios, md) => {\n // default to \"md\" if somehow the mode wasn't set\n mode = (mode && toLower(mode)) === 'ios' ? 'ios' : 'md';\n // if an icon was passed in using the ios or md attributes\n // set the iconName to whatever was passed in\n if (ios && mode === 'ios') {\n iconName = toLower(ios);\n } else if (md && mode === 'md') {\n iconName = toLower(md);\n } else {\n if (!iconName && icon && !isSrc(icon)) {\n iconName = icon;\n }\n if (isStr(iconName)) {\n iconName = toLower(iconName);\n }\n }\n if (!isStr(iconName) || iconName.trim() === '') {\n return null;\n }\n // only allow alpha characters and dash\n const invalidChars = iconName.replace(/[a-z]|-|\\d/gi, '');\n if (invalidChars !== '') {\n return null;\n }\n return iconName;\n};\nconst getSrc = src => {\n if (isStr(src)) {\n src = src.trim();\n if (isSrc(src)) {\n return src;\n }\n }\n return null;\n};\nconst isSrc = str => str.length > 0 && /(\\/|\\.)/.test(str);\nconst isStr = val => typeof val === 'string';\nconst toLower = val => val.toLowerCase();\n/**\n * Elements inside of web components sometimes need to inherit global attributes\n * set on the host. For example, the inner input in `ion-input` should inherit\n * the `title` attribute that developers set directly on `ion-input`. This\n * helper function should be called in componentWillLoad and assigned to a variable\n * that is later used in the render function.\n *\n * This does not need to be reactive as changing attributes on the host element\n * does not trigger a re-render.\n */\nconst inheritAttributes = (el, attributes = []) => {\n const attributeObject = {};\n attributes.forEach(attr => {\n if (el.hasAttribute(attr)) {\n const value = el.getAttribute(attr);\n if (value !== null) {\n attributeObject[attr] = el.getAttribute(attr);\n }\n el.removeAttribute(attr);\n }\n });\n return attributeObject;\n};\n/**\n * Returns `true` if the document or host element\n * has a `dir` set to `rtl`. The host value will always\n * take priority over the root document value.\n */\nconst isRTL = hostEl => {\n if (hostEl) {\n if (hostEl.dir !== '') {\n return hostEl.dir.toLowerCase() === 'rtl';\n }\n }\n return (document === null || document === void 0 ? void 0 : document.dir.toLowerCase()) === 'rtl';\n};\nconst buttonIosCss = \":host{--overflow:hidden;--ripple-color:currentColor;--border-width:initial;--border-color:initial;--border-style:initial;--color-activated:var(--color);--color-focused:var(--color);--color-hover:var(--color);--box-shadow:none;display:inline-block;width:auto;color:var(--color);font-family:var(--ion-font-family, inherit);text-align:center;text-decoration:none;white-space:normal;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;vertical-align:top;vertical-align:-webkit-baseline-middle;-webkit-font-kerning:none;font-kerning:none}:host(.button-disabled){cursor:default;opacity:0.5;pointer-events:none}:host(.button-solid){--background:var(--ion-color-primary, #0054e9);--color:var(--ion-color-primary-contrast, #fff)}:host(.button-outline){--border-color:var(--ion-color-primary, #0054e9);--background:transparent;--color:var(--ion-color-primary, #0054e9)}:host(.button-clear){--border-width:0;--background:transparent;--color:var(--ion-color-primary, #0054e9)}:host(.button-block){display:block}:host(.button-block) .button-native{margin-left:0;margin-right:0;width:100%;clear:both;contain:content}:host(.button-block) .button-native::after{clear:both}:host(.button-full){display:block}:host(.button-full) .button-native{margin-left:0;margin-right:0;width:100%;contain:content}:host(.button-full:not(.button-round)) .button-native{border-radius:0;border-right-width:0;border-left-width:0}.button-native{border-radius:var(--border-radius);-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;margin-left:0;margin-right:0;margin-top:0;margin-bottom:0;-webkit-padding-start:var(--padding-start);padding-inline-start:var(--padding-start);-webkit-padding-end:var(--padding-end);padding-inline-end:var(--padding-end);padding-top:var(--padding-top);padding-bottom:var(--padding-bottom);font-family:inherit;font-size:inherit;font-style:inherit;font-weight:inherit;letter-spacing:inherit;text-decoration:inherit;text-indent:inherit;text-overflow:inherit;text-transform:inherit;text-align:inherit;white-space:inherit;color:inherit;display:-ms-flexbox;display:flex;position:relative;-ms-flex-align:center;align-items:center;width:100%;height:100%;min-height:inherit;-webkit-transition:var(--transition);transition:var(--transition);border-width:var(--border-width);border-style:var(--border-style);border-color:var(--border-color);outline:none;background:var(--background);line-height:1;-webkit-box-shadow:var(--box-shadow);box-shadow:var(--box-shadow);contain:layout style;cursor:pointer;opacity:var(--opacity);overflow:var(--overflow);z-index:0;-webkit-box-sizing:border-box;box-sizing:border-box;-webkit-appearance:none;-moz-appearance:none;appearance:none}.button-native::-moz-focus-inner{border:0}.button-inner{display:-ms-flexbox;display:flex;position:relative;-ms-flex-flow:row nowrap;flex-flow:row nowrap;-ms-flex-negative:0;flex-shrink:0;-ms-flex-align:center;align-items:center;-ms-flex-pack:center;justify-content:center;width:100%;height:100%;z-index:1}::slotted([slot=start]),::slotted([slot=end]){-ms-flex-negative:0;flex-shrink:0}::slotted(ion-icon){font-size:1.35em;pointer-events:none}::slotted(ion-icon[slot=start]){-webkit-margin-start:-0.3em;margin-inline-start:-0.3em;-webkit-margin-end:0.3em;margin-inline-end:0.3em;margin-top:0;margin-bottom:0}::slotted(ion-icon[slot=end]){-webkit-margin-start:0.3em;margin-inline-start:0.3em;-webkit-margin-end:-0.2em;margin-inline-end:-0.2em;margin-top:0;margin-bottom:0}ion-ripple-effect{color:var(--ripple-color)}.button-native::after{left:0;right:0;top:0;bottom:0;position:absolute;content:\\\"\\\";opacity:0}:host(.ion-focused){color:var(--color-focused)}:host(.ion-focused) .button-native::after{background:var(--background-focused);opacity:var(--background-focused-opacity)}@media (any-hover: hover){:host(:hover){color:var(--color-hover)}:host(:hover) .button-native::after{background:var(--background-hover);opacity:var(--background-hover-opacity)}}:host(.ion-activated){color:var(--color-activated)}:host(.ion-activated) .button-native::after{background:var(--background-activated);opacity:var(--background-activated-opacity)}:host(.button-solid.ion-color) .button-native{background:var(--ion-color-base);color:var(--ion-color-contrast)}:host(.button-outline.ion-color) .button-native{border-color:var(--ion-color-base);background:transparent;color:var(--ion-color-base)}:host(.button-clear.ion-color) .button-native{background:transparent;color:var(--ion-color-base)}:host(.in-toolbar:not(.ion-color):not(.in-toolbar-color)) .button-native{color:var(--ion-toolbar-color, var(--color))}:host(.button-outline.in-toolbar:not(.ion-color):not(.in-toolbar-color)) .button-native{border-color:var(--ion-toolbar-color, var(--color, var(--border-color)))}:host(.button-solid.in-toolbar:not(.ion-color):not(.in-toolbar-color)) .button-native{background:var(--ion-toolbar-color, var(--background));color:var(--ion-toolbar-background, var(--color))}:host{--border-radius:14px;--padding-top:13px;--padding-bottom:13px;--padding-start:1em;--padding-end:1em;--transition:background-color, opacity 100ms linear;-webkit-margin-start:2px;margin-inline-start:2px;-webkit-margin-end:2px;margin-inline-end:2px;margin-top:4px;margin-bottom:4px;min-height:3.1em;font-size:min(1rem, 48px);font-weight:500;letter-spacing:0}:host(.button-solid){--background-activated:var(--ion-color-primary-shade, #004acd);--background-focused:var(--ion-color-primary-shade, #004acd);--background-hover:var(--ion-color-primary-tint, #1a65eb);--background-activated-opacity:1;--background-focused-opacity:1;--background-hover-opacity:1}:host(.button-outline){--border-radius:14px;--border-width:1px;--border-style:solid;--background-activated:var(--ion-color-primary, #0054e9);--background-focused:var(--ion-color-primary, #0054e9);--background-hover:transparent;--background-focused-opacity:.1;--color-activated:var(--ion-color-primary-contrast, #fff)}:host(.button-clear){--background-activated:transparent;--background-activated-opacity:0;--background-focused:var(--ion-color-primary, #0054e9);--background-hover:transparent;--background-focused-opacity:.1;font-size:min(1.0625rem, 51px);font-weight:normal}:host(.in-buttons){font-size:clamp(17px, 1.0625rem, 21.08px);font-weight:400}:host(.button-large){--border-radius:16px;--padding-top:17px;--padding-start:1em;--padding-end:1em;--padding-bottom:17px;min-height:3.1em;font-size:min(1.25rem, 60px)}:host(.button-small){--border-radius:6px;--padding-top:4px;--padding-start:0.9em;--padding-end:0.9em;--padding-bottom:4px;min-height:2.1em;font-size:min(0.8125rem, 39px)}:host(.button-round){--border-radius:999px;--padding-top:0;--padding-start:26px;--padding-end:26px;--padding-bottom:0}:host(.button-strong){font-weight:600}:host(.button-has-icon-only){--padding-top:0;--padding-bottom:var(--padding-top);--padding-end:var(--padding-top);--padding-start:var(--padding-end);min-width:clamp(30px, 2.125em, 60px);min-height:clamp(30px, 2.125em, 60px)}::slotted(ion-icon[slot=icon-only]){font-size:clamp(15.12px, 1.125em, 43.02px)}:host(.button-small.button-has-icon-only){min-width:clamp(23px, 2.16em, 54px);min-height:clamp(23px, 2.16em, 54px)}:host(.button-small) ::slotted(ion-icon[slot=icon-only]){font-size:clamp(12.1394px, 1.308125em, 40.1856px)}:host(.button-large.button-has-icon-only){min-width:clamp(46px, 2.5em, 78px);min-height:clamp(46px, 2.5em, 78px)}:host(.button-large) ::slotted(ion-icon[slot=icon-only]){font-size:clamp(15.12px, 0.9em, 43.056px)}:host(.button-outline.ion-focused.ion-color) .button-native,:host(.button-clear.ion-focused.ion-color) .button-native{color:var(--ion-color-base)}:host(.button-outline.ion-focused.ion-color) .button-native::after,:host(.button-clear.ion-focused.ion-color) .button-native::after{background:var(--ion-color-base)}:host(.button-solid.ion-color.ion-focused) .button-native::after{background:var(--ion-color-shade)}@media (any-hover: hover){:host(.button-clear:not(.ion-activated):hover),:host(.button-outline:not(.ion-activated):hover){opacity:0.6}:host(.button-clear.ion-color:hover) .button-native,:host(.button-outline.ion-color:hover) .button-native{color:var(--ion-color-base)}:host(.button-clear.ion-color:hover) .button-native::after,:host(.button-outline.ion-color:hover) .button-native::after{background:transparent}:host(.button-solid.ion-color:hover) .button-native::after{background:var(--ion-color-tint)}:host(:hover.button-solid.in-toolbar:not(.ion-color):not(.in-toolbar-color):not(.ion-activated)) .button-native::after{background:#fff;opacity:0.1}}:host(.button-clear.ion-activated){opacity:0.4}:host(.button-outline.ion-activated.ion-color) .button-native{color:var(--ion-color-contrast)}:host(.button-outline.ion-activated.ion-color) .button-native::after{background:var(--ion-color-base)}:host(.button-solid.ion-color.ion-activated) .button-native::after{background:var(--ion-color-shade)}:host(.button-outline.ion-activated.in-toolbar:not(.ion-color):not(.in-toolbar-color)) .button-native{background:var(--ion-toolbar-color, var(--color));color:var(--ion-toolbar-background, var(--background), var(--ion-color-primary-contrast, #fff))}\";\nconst IonButtonIosStyle0 = buttonIosCss;\nconst buttonMdCss = \":host{--overflow:hidden;--ripple-color:currentColor;--border-width:initial;--border-color:initial;--border-style:initial;--color-activated:var(--color);--color-focused:var(--color);--color-hover:var(--color);--box-shadow:none;display:inline-block;width:auto;color:var(--color);font-family:var(--ion-font-family, inherit);text-align:center;text-decoration:none;white-space:normal;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;vertical-align:top;vertical-align:-webkit-baseline-middle;-webkit-font-kerning:none;font-kerning:none}:host(.button-disabled){cursor:default;opacity:0.5;pointer-events:none}:host(.button-solid){--background:var(--ion-color-primary, #0054e9);--color:var(--ion-color-primary-contrast, #fff)}:host(.button-outline){--border-color:var(--ion-color-primary, #0054e9);--background:transparent;--color:var(--ion-color-primary, #0054e9)}:host(.button-clear){--border-width:0;--background:transparent;--color:var(--ion-color-primary, #0054e9)}:host(.button-block){display:block}:host(.button-block) .button-native{margin-left:0;margin-right:0;width:100%;clear:both;contain:content}:host(.button-block) .button-native::after{clear:both}:host(.button-full){display:block}:host(.button-full) .button-native{margin-left:0;margin-right:0;width:100%;contain:content}:host(.button-full:not(.button-round)) .button-native{border-radius:0;border-right-width:0;border-left-width:0}.button-native{border-radius:var(--border-radius);-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;margin-left:0;margin-right:0;margin-top:0;margin-bottom:0;-webkit-padding-start:var(--padding-start);padding-inline-start:var(--padding-start);-webkit-padding-end:var(--padding-end);padding-inline-end:var(--padding-end);padding-top:var(--padding-top);padding-bottom:var(--padding-bottom);font-family:inherit;font-size:inherit;font-style:inherit;font-weight:inherit;letter-spacing:inherit;text-decoration:inherit;text-indent:inherit;text-overflow:inherit;text-transform:inherit;text-align:inherit;white-space:inherit;color:inherit;display:-ms-flexbox;display:flex;position:relative;-ms-flex-align:center;align-items:center;width:100%;height:100%;min-height:inherit;-webkit-transition:var(--transition);transition:var(--transition);border-width:var(--border-width);border-style:var(--border-style);border-color:var(--border-color);outline:none;background:var(--background);line-height:1;-webkit-box-shadow:var(--box-shadow);box-shadow:var(--box-shadow);contain:layout style;cursor:pointer;opacity:var(--opacity);overflow:var(--overflow);z-index:0;-webkit-box-sizing:border-box;box-sizing:border-box;-webkit-appearance:none;-moz-appearance:none;appearance:none}.button-native::-moz-focus-inner{border:0}.button-inner{display:-ms-flexbox;display:flex;position:relative;-ms-flex-flow:row nowrap;flex-flow:row nowrap;-ms-flex-negative:0;flex-shrink:0;-ms-flex-align:center;align-items:center;-ms-flex-pack:center;justify-content:center;width:100%;height:100%;z-index:1}::slotted([slot=start]),::slotted([slot=end]){-ms-flex-negative:0;flex-shrink:0}::slotted(ion-icon){font-size:1.35em;pointer-events:none}::slotted(ion-icon[slot=start]){-webkit-margin-start:-0.3em;margin-inline-start:-0.3em;-webkit-margin-end:0.3em;margin-inline-end:0.3em;margin-top:0;margin-bottom:0}::slotted(ion-icon[slot=end]){-webkit-margin-start:0.3em;margin-inline-start:0.3em;-webkit-margin-end:-0.2em;margin-inline-end:-0.2em;margin-top:0;margin-bottom:0}ion-ripple-effect{color:var(--ripple-color)}.button-native::after{left:0;right:0;top:0;bottom:0;position:absolute;content:\\\"\\\";opacity:0}:host(.ion-focused){color:var(--color-focused)}:host(.ion-focused) .button-native::after{background:var(--background-focused);opacity:var(--background-focused-opacity)}@media (any-hover: hover){:host(:hover){color:var(--color-hover)}:host(:hover) .button-native::after{background:var(--background-hover);opacity:var(--background-hover-opacity)}}:host(.ion-activated){color:var(--color-activated)}:host(.ion-activated) .button-native::after{background:var(--background-activated);opacity:var(--background-activated-opacity)}:host(.button-solid.ion-color) .button-native{background:var(--ion-color-base);color:var(--ion-color-contrast)}:host(.button-outline.ion-color) .button-native{border-color:var(--ion-color-base);background:transparent;color:var(--ion-color-base)}:host(.button-clear.ion-color) .button-native{background:transparent;color:var(--ion-color-base)}:host(.in-toolbar:not(.ion-color):not(.in-toolbar-color)) .button-native{color:var(--ion-toolbar-color, var(--color))}:host(.button-outline.in-toolbar:not(.ion-color):not(.in-toolbar-color)) .button-native{border-color:var(--ion-toolbar-color, var(--color, var(--border-color)))}:host(.button-solid.in-toolbar:not(.ion-color):not(.in-toolbar-color)) .button-native{background:var(--ion-toolbar-color, var(--background));color:var(--ion-toolbar-background, var(--color))}:host{--border-radius:4px;--padding-top:8px;--padding-bottom:8px;--padding-start:1.1em;--padding-end:1.1em;--transition:box-shadow 280ms cubic-bezier(.4, 0, .2, 1),\\n background-color 15ms linear,\\n color 15ms linear;-webkit-margin-start:2px;margin-inline-start:2px;-webkit-margin-end:2px;margin-inline-end:2px;margin-top:4px;margin-bottom:4px;min-height:36px;font-size:0.875rem;font-weight:500;letter-spacing:0.06em;text-transform:uppercase}:host(.button-solid){--background-activated:transparent;--background-hover:var(--ion-color-primary-contrast, #fff);--background-focused:var(--ion-color-primary-contrast, #fff);--background-activated-opacity:0;--background-focused-opacity:.24;--background-hover-opacity:.08;--box-shadow:0 3px 1px -2px rgba(0, 0, 0, 0.2), 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12)}:host(.button-solid.ion-activated){--box-shadow:0 5px 5px -3px rgba(0, 0, 0, 0.2), 0 8px 10px 1px rgba(0, 0, 0, 0.14), 0 3px 14px 2px rgba(0, 0, 0, 0.12)}:host(.button-outline){--border-width:2px;--border-style:solid;--box-shadow:none;--background-activated:transparent;--background-focused:var(--ion-color-primary, #0054e9);--background-hover:var(--ion-color-primary, #0054e9);--background-activated-opacity:0;--background-focused-opacity:.12;--background-hover-opacity:.04}:host(.button-outline.ion-activated.ion-color) .button-native{background:transparent}:host(.button-clear){--background-activated:transparent;--background-focused:var(--ion-color-primary, #0054e9);--background-hover:var(--ion-color-primary, #0054e9);--background-activated-opacity:0;--background-focused-opacity:.12;--background-hover-opacity:.04}:host(.button-round){--border-radius:999px;--padding-top:0;--padding-start:26px;--padding-end:26px;--padding-bottom:0}:host(.button-large){--padding-top:14px;--padding-start:1em;--padding-end:1em;--padding-bottom:14px;min-height:2.8em;font-size:1.25rem}:host(.button-small){--padding-top:4px;--padding-start:0.9em;--padding-end:0.9em;--padding-bottom:4px;min-height:2.1em;font-size:0.8125rem}:host(.button-strong){font-weight:bold}:host(.button-has-icon-only){--padding-top:0;--padding-bottom:var(--padding-top);--padding-end:var(--padding-top);--padding-start:var(--padding-end);min-width:clamp(30px, 2.86em, 60px);min-height:clamp(30px, 2.86em, 60px)}::slotted(ion-icon[slot=icon-only]){font-size:clamp(15.104px, 1.6em, 43.008px)}:host(.button-small.button-has-icon-only){min-width:clamp(23px, 2.16em, 54px);min-height:clamp(23px, 2.16em, 54px)}:host(.button-small) ::slotted(ion-icon[slot=icon-only]){font-size:clamp(13.002px, 1.23125em, 40.385px)}:host(.button-large.button-has-icon-only){min-width:clamp(46px, 2.5em, 78px);min-height:clamp(46px, 2.5em, 78px)}:host(.button-large) ::slotted(ion-icon[slot=icon-only]){font-size:clamp(15.008px, 1.4em, 43.008px)}:host(.button-solid.ion-color.ion-focused) .button-native::after{background:var(--ion-color-contrast)}:host(.button-clear.ion-color.ion-focused) .button-native::after,:host(.button-outline.ion-color.ion-focused) .button-native::after{background:var(--ion-color-base)}@media (any-hover: hover){:host(.button-solid.ion-color:hover) .button-native::after{background:var(--ion-color-contrast)}:host(.button-clear.ion-color:hover) .button-native::after,:host(.button-outline.ion-color:hover) .button-native::after{background:var(--ion-color-base)}}:host(.button-outline.ion-activated.in-toolbar:not(.ion-color):not(.in-toolbar-color)) .button-native{background:var(--ion-toolbar-background, var(--color));color:var(--ion-toolbar-color, var(--background), var(--ion-color-primary-contrast, #fff))}\";\nconst IonButtonMdStyle0 = buttonMdCss;\nconst Button = class {\n constructor(hostRef) {\n registerInstance(this, hostRef);\n this.ionFocus = createEvent(this, \"ionFocus\", 7);\n this.ionBlur = createEvent(this, \"ionBlur\", 7);\n this.inItem = false;\n this.inListHeader = false;\n this.inToolbar = false;\n this.formButtonEl = null;\n this.formEl = null;\n this.inheritedAttributes = {};\n this.handleClick = ev => {\n const {\n el\n } = this;\n if (this.type === 'button') {\n openURL(this.href, ev, this.routerDirection, this.routerAnimation);\n } else if (hasShadowDom(el)) {\n this.submitForm(ev);\n }\n };\n this.onFocus = () => {\n this.ionFocus.emit();\n };\n this.onBlur = () => {\n this.ionBlur.emit();\n };\n this.slotChanged = () => {\n /**\n * Ensures that the 'has-icon-only' class is properly added\n * or removed from `ion-button` when manipulating the\n * `icon-only` slot.\n *\n * Without this, the 'has-icon-only' class is only checked\n * or added when `ion-button` component first renders.\n */\n this.isCircle = this.hasIconOnly;\n };\n this.isCircle = false;\n this.color = undefined;\n this.buttonType = 'button';\n this.disabled = false;\n this.expand = undefined;\n this.fill = undefined;\n this.routerDirection = 'forward';\n this.routerAnimation = undefined;\n this.download = undefined;\n this.href = undefined;\n this.rel = undefined;\n this.shape = undefined;\n this.size = undefined;\n this.strong = false;\n this.target = undefined;\n this.type = 'button';\n this.form = undefined;\n }\n disabledChanged() {\n const {\n disabled\n } = this;\n if (this.formButtonEl) {\n this.formButtonEl.disabled = disabled;\n }\n }\n /**\n * This is responsible for rendering a hidden native\n * button element inside the associated form. This allows\n * users to submit a form by pressing \"Enter\" when a text\n * field inside of the form is focused. The native button\n * rendered inside of `ion-button` is in the Shadow DOM\n * and therefore does not participate in form submission\n * which is why the following code is necessary.\n */\n renderHiddenButton() {\n const formEl = this.formEl = this.findForm();\n if (formEl) {\n const {\n formButtonEl\n } = this;\n /**\n * If the form already has a rendered form button\n * then do not append a new one again.\n */\n if (formButtonEl !== null && formEl.contains(formButtonEl)) {\n return;\n }\n // Create a hidden native button inside of the form\n const newFormButtonEl = this.formButtonEl = document.createElement('button');\n newFormButtonEl.type = this.type;\n newFormButtonEl.style.display = 'none';\n // Only submit if the button is not disabled.\n newFormButtonEl.disabled = this.disabled;\n formEl.appendChild(newFormButtonEl);\n }\n }\n componentWillLoad() {\n this.inToolbar = !!this.el.closest('ion-buttons');\n this.inListHeader = !!this.el.closest('ion-list-header');\n this.inItem = !!this.el.closest('ion-item') || !!this.el.closest('ion-item-divider');\n this.inheritedAttributes = inheritAriaAttributes(this.el);\n }\n get hasIconOnly() {\n return !!this.el.querySelector('[slot=\"icon-only\"]');\n }\n get rippleType() {\n const hasClearFill = this.fill === undefined || this.fill === 'clear';\n // If the button is in a toolbar, has a clear fill (which is the default)\n // and only has an icon we use the unbounded \"circular\" ripple effect\n if (hasClearFill && this.hasIconOnly && this.inToolbar) {\n return 'unbounded';\n }\n return 'bounded';\n }\n /**\n * Finds the form element based on the provided `form` selector\n * or element reference provided.\n */\n findForm() {\n const {\n form\n } = this;\n if (form instanceof HTMLFormElement) {\n return form;\n }\n if (typeof form === 'string') {\n // Check if the string provided is a form id.\n const el = document.getElementById(form);\n if (el) {\n if (el instanceof HTMLFormElement) {\n return el;\n } else {\n /**\n * The developer specified a string for the form attribute, but the\n * element with that id is not a form element.\n */\n printIonWarning(`Form with selector: \"#${form}\" could not be found. Verify that the id is attached to a