/** * @license * Copyright Google LLC All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ import { Platform } from '@angular/cdk/platform'; import { Injectable } from '@angular/core'; import * as i0 from "@angular/core"; import * as i1 from "@angular/cdk/platform"; /** * Configuration for the isFocusable method. */ export class IsFocusableConfig { constructor() { /** * Whether to count an element as focusable even if it is not currently visible. */ this.ignoreVisibility = false; } } // The InteractivityChecker leans heavily on the ally.js accessibility utilities. // Methods like `isTabbable` are only covering specific edge-cases for the browsers which are // supported. /** * Utility for checking the interactivity of an element, such as whether it is focusable or * tabbable. */ export class InteractivityChecker { constructor(_platform) { this._platform = _platform; } /** * Gets whether an element is disabled. * * @param element Element to be checked. * @returns Whether the element is disabled. */ isDisabled(element) { // This does not capture some cases, such as a non-form control with a disabled attribute or // a form control inside of a disabled form, but should capture the most common cases. return element.hasAttribute('disabled'); } /** * Gets whether an element is visible for the purposes of interactivity. * * This will capture states like `display: none` and `visibility: hidden`, but not things like * being clipped by an `overflow: hidden` parent or being outside the viewport. * * @returns Whether the element is visible. */ isVisible(element) { return hasGeometry(element) && getComputedStyle(element).visibility === 'visible'; } /** * Gets whether an element can be reached via Tab key. * Assumes that the element has already been checked with isFocusable. * * @param element Element to be checked. * @returns Whether the element is tabbable. */ isTabbable(element) { // Nothing is tabbable on the server 😎 if (!this._platform.isBrowser) { return false; } const frameElement = getFrameElement(getWindow(element)); if (frameElement) { // Frame elements inherit their tabindex onto all child elements. if (getTabIndexValue(frameElement) === -1) { return false; } // Browsers disable tabbing to an element inside of an invisible frame. if (!this.isVisible(frameElement)) { return false; } } let nodeName = element.nodeName.toLowerCase(); let tabIndexValue = getTabIndexValue(element); if (element.hasAttribute('contenteditable')) { return tabIndexValue !== -1; } if (nodeName === 'iframe' || nodeName === 'object') { // The frame or object's content may be tabbable depending on the content, but it's // not possibly to reliably detect the content of the frames. We always consider such // elements as non-tabbable. return false; } // In iOS, the browser only considers some specific elements as tabbable. if (this._platform.WEBKIT && this._platform.IOS && !isPotentiallyTabbableIOS(element)) { return false; } if (nodeName === 'audio') { // Audio elements without controls enabled are never tabbable, regardless // of the tabindex attribute explicitly being set. if (!element.hasAttribute('controls')) { return false; } // Audio elements with controls are by default tabbable unless the // tabindex attribute is set to `-1` explicitly. return tabIndexValue !== -1; } if (nodeName === 'video') { // For all video elements, if the tabindex attribute is set to `-1`, the video // is not tabbable. Note: We cannot rely on the default `HTMLElement.tabIndex` // property as that one is set to `-1` in Chrome, Edge and Safari v13.1. The // tabindex attribute is the source of truth here. if (tabIndexValue === -1) { return false; } // If the tabindex is explicitly set, and not `-1` (as per check before), the // video element is always tabbable (regardless of whether it has controls or not). if (tabIndexValue !== null) { return true; } // Otherwise (when no explicit tabindex is set), a video is only tabbable if it // has controls enabled. Firefox is special as videos are always tabbable regardless // of whether there are controls or not. return this._platform.FIREFOX || element.hasAttribute('controls'); } return element.tabIndex >= 0; } /** * Gets whether an element can be focused by the user. * * @param element Element to be checked. * @param config The config object with options to customize this method's behavior * @returns Whether the element is focusable. */ isFocusable(element, config) { // Perform checks in order of left to most expensive. // Again, naive approach that does not capture many edge cases and browser quirks. return (isPotentiallyFocusable(element) && !this.isDisabled(element) && (config?.ignoreVisibility || this.isVisible(element))); } static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: InteractivityChecker, deps: [{ token: i1.Platform }], target: i0.ɵɵFactoryTarget.Injectable }); } static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: InteractivityChecker, providedIn: 'root' }); } } i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: InteractivityChecker, decorators: [{ type: Injectable, args: [{ providedIn: 'root' }] }], ctorParameters: function () { return [{ type: i1.Platform }]; } }); /** * Returns the frame element from a window object. Since browsers like MS Edge throw errors if * the frameElement property is being accessed from a different host address, this property * should be accessed carefully. */ function getFrameElement(window) { try { return window.frameElement; } catch { return null; } } /** Checks whether the specified element has any geometry / rectangles. */ function hasGeometry(element) { // Use logic from jQuery to check for an invisible element. // See https://github.com/jquery/jquery/blob/master/src/css/hiddenVisibleSelectors.js#L12 return !!(element.offsetWidth || element.offsetHeight || (typeof element.getClientRects === 'function' && element.getClientRects().length)); } /** Gets whether an element's */ function isNativeFormElement(element) { let nodeName = element.nodeName.toLowerCase(); return (nodeName === 'input' || nodeName === 'select' || nodeName === 'button' || nodeName === 'textarea'); } /** Gets whether an element is an ``. */ function isHiddenInput(element) { return isInputElement(element) && element.type == 'hidden'; } /** Gets whether an element is an anchor that has an href attribute. */ function isAnchorWithHref(element) { return isAnchorElement(element) && element.hasAttribute('href'); } /** Gets whether an element is an input element. */ function isInputElement(element) { return element.nodeName.toLowerCase() == 'input'; } /** Gets whether an element is an anchor element. */ function isAnchorElement(element) { return element.nodeName.toLowerCase() == 'a'; } /** Gets whether an element has a valid tabindex. */ function hasValidTabIndex(element) { if (!element.hasAttribute('tabindex') || element.tabIndex === undefined) { return false; } let tabIndex = element.getAttribute('tabindex'); return !!(tabIndex && !isNaN(parseInt(tabIndex, 10))); } /** * Returns the parsed tabindex from the element attributes instead of returning the * evaluated tabindex from the browsers defaults. */ function getTabIndexValue(element) { if (!hasValidTabIndex(element)) { return null; } // See browser issue in Gecko https://bugzilla.mozilla.org/show_bug.cgi?id=1128054 const tabIndex = parseInt(element.getAttribute('tabindex') || '', 10); return isNaN(tabIndex) ? -1 : tabIndex; } /** Checks whether the specified element is potentially tabbable on iOS */ function isPotentiallyTabbableIOS(element) { let nodeName = element.nodeName.toLowerCase(); let inputType = nodeName === 'input' && element.type; return (inputType === 'text' || inputType === 'password' || nodeName === 'select' || nodeName === 'textarea'); } /** * Gets whether an element is potentially focusable without taking current visible/disabled state * into account. */ function isPotentiallyFocusable(element) { // Inputs are potentially focusable *unless* they're type="hidden". if (isHiddenInput(element)) { return false; } return (isNativeFormElement(element) || isAnchorWithHref(element) || element.hasAttribute('contenteditable') || hasValidTabIndex(element)); } /** Gets the parent window of a DOM node with regards of being inside of an iframe. */ function getWindow(node) { // ownerDocument is null if `node` itself *is* a document. return (node.ownerDocument && node.ownerDocument.defaultView) || window; } //# sourceMappingURL=data:application/json;base64,{"version":3,"file":"interactivity-checker.js","sourceRoot":"","sources":["../../../../../../../src/cdk/a11y/interactivity-checker/interactivity-checker.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AAEH,OAAO,EAAC,QAAQ,EAAC,MAAM,uBAAuB,CAAC;AAC/C,OAAO,EAAC,UAAU,EAAC,MAAM,eAAe,CAAC;;;AAEzC;;GAEG;AACH,MAAM,OAAO,iBAAiB;IAA9B;QACE;;WAEG;QACH,qBAAgB,GAAY,KAAK,CAAC;IACpC,CAAC;CAAA;AAED,iFAAiF;AACjF,6FAA6F;AAC7F,aAAa;AAEb;;;GAGG;AAEH,MAAM,OAAO,oBAAoB;IAC/B,YAAoB,SAAmB;QAAnB,cAAS,GAAT,SAAS,CAAU;IAAG,CAAC;IAE3C;;;;;OAKG;IACH,UAAU,CAAC,OAAoB;QAC7B,4FAA4F;QAC5F,sFAAsF;QACtF,OAAO,OAAO,CAAC,YAAY,CAAC,UAAU,CAAC,CAAC;IAC1C,CAAC;IAED;;;;;;;OAOG;IACH,SAAS,CAAC,OAAoB;QAC5B,OAAO,WAAW,CAAC,OAAO,CAAC,IAAI,gBAAgB,CAAC,OAAO,CAAC,CAAC,UAAU,KAAK,SAAS,CAAC;IACpF,CAAC;IAED;;;;;;OAMG;IACH,UAAU,CAAC,OAAoB;QAC7B,uCAAuC;QACvC,IAAI,CAAC,IAAI,CAAC,SAAS,CAAC,SAAS,EAAE;YAC7B,OAAO,KAAK,CAAC;SACd;QAED,MAAM,YAAY,GAAG,eAAe,CAAC,SAAS,CAAC,OAAO,CAAC,CAAC,CAAC;QAEzD,IAAI,YAAY,EAAE;YAChB,iEAAiE;YACjE,IAAI,gBAAgB,CAAC,YAAY,CAAC,KAAK,CAAC,CAAC,EAAE;gBACzC,OAAO,KAAK,CAAC;aACd;YAED,uEAAuE;YACvE,IAAI,CAAC,IAAI,CAAC,SAAS,CAAC,YAAY,CAAC,EAAE;gBACjC,OAAO,KAAK,CAAC;aACd;SACF;QAED,IAAI,QAAQ,GAAG,OAAO,CAAC,QAAQ,CAAC,WAAW,EAAE,CAAC;QAC9C,IAAI,aAAa,GAAG,gBAAgB,CAAC,OAAO,CAAC,CAAC;QAE9C,IAAI,OAAO,CAAC,YAAY,CAAC,iBAAiB,CAAC,EAAE;YAC3C,OAAO,aAAa,KAAK,CAAC,CAAC,CAAC;SAC7B;QAED,IAAI,QAAQ,KAAK,QAAQ,IAAI,QAAQ,KAAK,QAAQ,EAAE;YAClD,mFAAmF;YACnF,qFAAqF;YACrF,4BAA4B;YAC5B,OAAO,KAAK,CAAC;SACd;QAED,yEAAyE;QACzE,IAAI,IAAI,CAAC,SAAS,CAAC,MAAM,IAAI,IAAI,CAAC,SAAS,CAAC,GAAG,IAAI,CAAC,wBAAwB,CAAC,OAAO,CAAC,EAAE;YACrF,OAAO,KAAK,CAAC;SACd;QAED,IAAI,QAAQ,KAAK,OAAO,EAAE;YACxB,yEAAyE;YACzE,kDAAkD;YAClD,IAAI,CAAC,OAAO,CAAC,YAAY,CAAC,UAAU,CAAC,EAAE;gBACrC,OAAO,KAAK,CAAC;aACd;YACD,kEAAkE;YAClE,gDAAgD;YAChD,OAAO,aAAa,KAAK,CAAC,CAAC,CAAC;SAC7B;QAED,IAAI,QAAQ,KAAK,OAAO,EAAE;YACxB,8EAA8E;YAC9E,8EAA8E;YAC9E,4EAA4E;YAC5E,kDAAkD;YAClD,IAAI,aAAa,KAAK,CAAC,CAAC,EAAE;gBACxB,OAAO,KAAK,CAAC;aACd;YACD,6EAA6E;YAC7E,mFAAmF;YACnF,IAAI,aAAa,KAAK,IAAI,EAAE;gBAC1B,OAAO,IAAI,CAAC;aACb;YACD,+EAA+E;YAC/E,oFAAoF;YACpF,wCAAwC;YACxC,OAAO,IAAI,CAAC,SAAS,CAAC,OAAO,IAAI,OAAO,CAAC,YAAY,CAAC,UAAU,CAAC,CAAC;SACnE;QAED,OAAO,OAAO,CAAC,QAAQ,IAAI,CAAC,CAAC;IAC/B,CAAC;IAED;;;;;;OAMG;IACH,WAAW,CAAC,OAAoB,EAAE,MAA0B;QAC1D,qDAAqD;QACrD,kFAAkF;QAClF,OAAO,CACL,sBAAsB,CAAC,OAAO,CAAC;YAC/B,CAAC,IAAI,CAAC,UAAU,CAAC,OAAO,CAAC;YACzB,CAAC,MAAM,EAAE,gBAAgB,IAAI,IAAI,CAAC,SAAS,CAAC,OAAO,CAAC,CAAC,CACtD,CAAC;IACJ,CAAC;8GAzHU,oBAAoB;kHAApB,oBAAoB,cADR,MAAM;;2FAClB,oBAAoB;kBADhC,UAAU;mBAAC,EAAC,UAAU,EAAE,MAAM,EAAC;;AA6HhC;;;;GAIG;AACH,SAAS,eAAe,CAAC,MAAc;IACrC,IAAI;QACF,OAAO,MAAM,CAAC,YAA2B,CAAC;KAC3C;IAAC,MAAM;QACN,OAAO,IAAI,CAAC;KACb;AACH,CAAC;AAED,0EAA0E;AAC1E,SAAS,WAAW,CAAC,OAAoB;IACvC,2DAA2D;IAC3D,yFAAyF;IACzF,OAAO,CAAC,CAAC,CACP,OAAO,CAAC,WAAW;QACnB,OAAO,CAAC,YAAY;QACpB,CAAC,OAAO,OAAO,CAAC,cAAc,KAAK,UAAU,IAAI,OAAO,CAAC,cAAc,EAAE,CAAC,MAAM,CAAC,CAClF,CAAC;AACJ,CAAC;AAED,iCAAiC;AACjC,SAAS,mBAAmB,CAAC,OAAa;IACxC,IAAI,QAAQ,GAAG,OAAO,CAAC,QAAQ,CAAC,WAAW,EAAE,CAAC;IAC9C,OAAO,CACL,QAAQ,KAAK,OAAO;QACpB,QAAQ,KAAK,QAAQ;QACrB,QAAQ,KAAK,QAAQ;QACrB,QAAQ,KAAK,UAAU,CACxB,CAAC;AACJ,CAAC;AAED,6DAA6D;AAC7D,SAAS,aAAa,CAAC,OAAoB;IACzC,OAAO,cAAc,CAAC,OAAO,CAAC,IAAI,OAAO,CAAC,IAAI,IAAI,QAAQ,CAAC;AAC7D,CAAC;AAED,uEAAuE;AACvE,SAAS,gBAAgB,CAAC,OAAoB;IAC5C,OAAO,eAAe,CAAC,OAAO,CAAC,IAAI,OAAO,CAAC,YAAY,CAAC,MAAM,CAAC,CAAC;AAClE,CAAC;AAED,mDAAmD;AACnD,SAAS,cAAc,CAAC,OAAoB;IAC1C,OAAO,OAAO,CAAC,QAAQ,CAAC,WAAW,EAAE,IAAI,OAAO,CAAC;AACnD,CAAC;AAED,oDAAoD;AACpD,SAAS,eAAe,CAAC,OAAoB;IAC3C,OAAO,OAAO,CAAC,QAAQ,CAAC,WAAW,EAAE,IAAI,GAAG,CAAC;AAC/C,CAAC;AAED,oDAAoD;AACpD,SAAS,gBAAgB,CAAC,OAAoB;IAC5C,IAAI,CAAC,OAAO,CAAC,YAAY,CAAC,UAAU,CAAC,IAAI,OAAO,CAAC,QAAQ,KAAK,SAAS,EAAE;QACvE,OAAO,KAAK,CAAC;KACd;IAED,IAAI,QAAQ,GAAG,OAAO,CAAC,YAAY,CAAC,UAAU,CAAC,CAAC;IAChD,OAAO,CAAC,CAAC,CAAC,QAAQ,IAAI,CAAC,KAAK,CAAC,QAAQ,CAAC,QAAQ,EAAE,EAAE,CAAC,CAAC,CAAC,CAAC;AACxD,CAAC;AAED;;;GAGG;AACH,SAAS,gBAAgB,CAAC,OAAoB;IAC5C,IAAI,CAAC,gBAAgB,CAAC,OAAO,CAAC,EAAE;QAC9B,OAAO,IAAI,CAAC;KACb;IAED,kFAAkF;IAClF,MAAM,QAAQ,GAAG,QAAQ,CAAC,OAAO,CAAC,YAAY,CAAC,UAAU,CAAC,IAAI,EAAE,EAAE,EAAE,CAAC,CAAC;IAEtE,OAAO,KAAK,CAAC,QAAQ,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,QAAQ,CAAC;AACzC,CAAC;AAED,0EAA0E;AAC1E,SAAS,wBAAwB,CAAC,OAAoB;IACpD,IAAI,QAAQ,GAAG,OAAO,CAAC,QAAQ,CAAC,WAAW,EAAE,CAAC;IAC9C,IAAI,SAAS,GAAG,QAAQ,KAAK,OAAO,IAAK,OAA4B,CAAC,IAAI,CAAC;IAE3E,OAAO,CACL,SAAS,KAAK,MAAM;QACpB,SAAS,KAAK,UAAU;QACxB,QAAQ,KAAK,QAAQ;QACrB,QAAQ,KAAK,UAAU,CACxB,CAAC;AACJ,CAAC;AAED;;;GAGG;AACH,SAAS,sBAAsB,CAAC,OAAoB;IAClD,mEAAmE;IACnE,IAAI,aAAa,CAAC,OAAO,CAAC,EAAE;QAC1B,OAAO,KAAK,CAAC;KACd;IAED,OAAO,CACL,mBAAmB,CAAC,OAAO,CAAC;QAC5B,gBAAgB,CAAC,OAAO,CAAC;QACzB,OAAO,CAAC,YAAY,CAAC,iBAAiB,CAAC;QACvC,gBAAgB,CAAC,OAAO,CAAC,CAC1B,CAAC;AACJ,CAAC;AAED,sFAAsF;AACtF,SAAS,SAAS,CAAC,IAAiB;IAClC,0DAA0D;IAC1D,OAAO,CAAC,IAAI,CAAC,aAAa,IAAI,IAAI,CAAC,aAAa,CAAC,WAAW,CAAC,IAAI,MAAM,CAAC;AAC1E,CAAC","sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {Platform} from '@angular/cdk/platform';\nimport {Injectable} from '@angular/core';\n\n/**\n * Configuration for the isFocusable method.\n */\nexport class IsFocusableConfig {\n  /**\n   * Whether to count an element as focusable even if it is not currently visible.\n   */\n  ignoreVisibility: boolean = false;\n}\n\n// The InteractivityChecker leans heavily on the ally.js accessibility utilities.\n// Methods like `isTabbable` are only covering specific edge-cases for the browsers which are\n// supported.\n\n/**\n * Utility for checking the interactivity of an element, such as whether it is focusable or\n * tabbable.\n */\n@Injectable({providedIn: 'root'})\nexport class InteractivityChecker {\n  constructor(private _platform: Platform) {}\n\n  /**\n   * Gets whether an element is disabled.\n   *\n   * @param element Element to be checked.\n   * @returns Whether the element is disabled.\n   */\n  isDisabled(element: HTMLElement): boolean {\n    // This does not capture some cases, such as a non-form control with a disabled attribute or\n    // a form control inside of a disabled form, but should capture the most common cases.\n    return element.hasAttribute('disabled');\n  }\n\n  /**\n   * Gets whether an element is visible for the purposes of interactivity.\n   *\n   * This will capture states like `display: none` and `visibility: hidden`, but not things like\n   * being clipped by an `overflow: hidden` parent or being outside the viewport.\n   *\n   * @returns Whether the element is visible.\n   */\n  isVisible(element: HTMLElement): boolean {\n    return hasGeometry(element) && getComputedStyle(element).visibility === 'visible';\n  }\n\n  /**\n   * Gets whether an element can be reached via Tab key.\n   * Assumes that the element has already been checked with isFocusable.\n   *\n   * @param element Element to be checked.\n   * @returns Whether the element is tabbable.\n   */\n  isTabbable(element: HTMLElement): boolean {\n    // Nothing is tabbable on the server 😎\n    if (!this._platform.isBrowser) {\n      return false;\n    }\n\n    const frameElement = getFrameElement(getWindow(element));\n\n    if (frameElement) {\n      // Frame elements inherit their tabindex onto all child elements.\n      if (getTabIndexValue(frameElement) === -1) {\n        return false;\n      }\n\n      // Browsers disable tabbing to an element inside of an invisible frame.\n      if (!this.isVisible(frameElement)) {\n        return false;\n      }\n    }\n\n    let nodeName = element.nodeName.toLowerCase();\n    let tabIndexValue = getTabIndexValue(element);\n\n    if (element.hasAttribute('contenteditable')) {\n      return tabIndexValue !== -1;\n    }\n\n    if (nodeName === 'iframe' || nodeName === 'object') {\n      // The frame or object's content may be tabbable depending on the content, but it's\n      // not possibly to reliably detect the content of the frames. We always consider such\n      // elements as non-tabbable.\n      return false;\n    }\n\n    // In iOS, the browser only considers some specific elements as tabbable.\n    if (this._platform.WEBKIT && this._platform.IOS && !isPotentiallyTabbableIOS(element)) {\n      return false;\n    }\n\n    if (nodeName === 'audio') {\n      // Audio elements without controls enabled are never tabbable, regardless\n      // of the tabindex attribute explicitly being set.\n      if (!element.hasAttribute('controls')) {\n        return false;\n      }\n      // Audio elements with controls are by default tabbable unless the\n      // tabindex attribute is set to `-1` explicitly.\n      return tabIndexValue !== -1;\n    }\n\n    if (nodeName === 'video') {\n      // For all video elements, if the tabindex attribute is set to `-1`, the video\n      // is not tabbable. Note: We cannot rely on the default `HTMLElement.tabIndex`\n      // property as that one is set to `-1` in Chrome, Edge and Safari v13.1. The\n      // tabindex attribute is the source of truth here.\n      if (tabIndexValue === -1) {\n        return false;\n      }\n      // If the tabindex is explicitly set, and not `-1` (as per check before), the\n      // video element is always tabbable (regardless of whether it has controls or not).\n      if (tabIndexValue !== null) {\n        return true;\n      }\n      // Otherwise (when no explicit tabindex is set), a video is only tabbable if it\n      // has controls enabled. Firefox is special as videos are always tabbable regardless\n      // of whether there are controls or not.\n      return this._platform.FIREFOX || element.hasAttribute('controls');\n    }\n\n    return element.tabIndex >= 0;\n  }\n\n  /**\n   * Gets whether an element can be focused by the user.\n   *\n   * @param element Element to be checked.\n   * @param config The config object with options to customize this method's behavior\n   * @returns Whether the element is focusable.\n   */\n  isFocusable(element: HTMLElement, config?: IsFocusableConfig): boolean {\n    // Perform checks in order of left to most expensive.\n    // Again, naive approach that does not capture many edge cases and browser quirks.\n    return (\n      isPotentiallyFocusable(element) &&\n      !this.isDisabled(element) &&\n      (config?.ignoreVisibility || this.isVisible(element))\n    );\n  }\n}\n\n/**\n * Returns the frame element from a window object. Since browsers like MS Edge throw errors if\n * the frameElement property is being accessed from a different host address, this property\n * should be accessed carefully.\n */\nfunction getFrameElement(window: Window) {\n  try {\n    return window.frameElement as HTMLElement;\n  } catch {\n    return null;\n  }\n}\n\n/** Checks whether the specified element has any geometry / rectangles. */\nfunction hasGeometry(element: HTMLElement): boolean {\n  // Use logic from jQuery to check for an invisible element.\n  // See https://github.com/jquery/jquery/blob/master/src/css/hiddenVisibleSelectors.js#L12\n  return !!(\n    element.offsetWidth ||\n    element.offsetHeight ||\n    (typeof element.getClientRects === 'function' && element.getClientRects().length)\n  );\n}\n\n/** Gets whether an element's  */\nfunction isNativeFormElement(element: Node) {\n  let nodeName = element.nodeName.toLowerCase();\n  return (\n    nodeName === 'input' ||\n    nodeName === 'select' ||\n    nodeName === 'button' ||\n    nodeName === 'textarea'\n  );\n}\n\n/** Gets whether an element is an `<input type=\"hidden\">`. */\nfunction isHiddenInput(element: HTMLElement): boolean {\n  return isInputElement(element) && element.type == 'hidden';\n}\n\n/** Gets whether an element is an anchor that has an href attribute. */\nfunction isAnchorWithHref(element: HTMLElement): boolean {\n  return isAnchorElement(element) && element.hasAttribute('href');\n}\n\n/** Gets whether an element is an input element. */\nfunction isInputElement(element: HTMLElement): element is HTMLInputElement {\n  return element.nodeName.toLowerCase() == 'input';\n}\n\n/** Gets whether an element is an anchor element. */\nfunction isAnchorElement(element: HTMLElement): element is HTMLAnchorElement {\n  return element.nodeName.toLowerCase() == 'a';\n}\n\n/** Gets whether an element has a valid tabindex. */\nfunction hasValidTabIndex(element: HTMLElement): boolean {\n  if (!element.hasAttribute('tabindex') || element.tabIndex === undefined) {\n    return false;\n  }\n\n  let tabIndex = element.getAttribute('tabindex');\n  return !!(tabIndex && !isNaN(parseInt(tabIndex, 10)));\n}\n\n/**\n * Returns the parsed tabindex from the element attributes instead of returning the\n * evaluated tabindex from the browsers defaults.\n */\nfunction getTabIndexValue(element: HTMLElement): number | null {\n  if (!hasValidTabIndex(element)) {\n    return null;\n  }\n\n  // See browser issue in Gecko https://bugzilla.mozilla.org/show_bug.cgi?id=1128054\n  const tabIndex = parseInt(element.getAttribute('tabindex') || '', 10);\n\n  return isNaN(tabIndex) ? -1 : tabIndex;\n}\n\n/** Checks whether the specified element is potentially tabbable on iOS */\nfunction isPotentiallyTabbableIOS(element: HTMLElement): boolean {\n  let nodeName = element.nodeName.toLowerCase();\n  let inputType = nodeName === 'input' && (element as HTMLInputElement).type;\n\n  return (\n    inputType === 'text' ||\n    inputType === 'password' ||\n    nodeName === 'select' ||\n    nodeName === 'textarea'\n  );\n}\n\n/**\n * Gets whether an element is potentially focusable without taking current visible/disabled state\n * into account.\n */\nfunction isPotentiallyFocusable(element: HTMLElement): boolean {\n  // Inputs are potentially focusable *unless* they're type=\"hidden\".\n  if (isHiddenInput(element)) {\n    return false;\n  }\n\n  return (\n    isNativeFormElement(element) ||\n    isAnchorWithHref(element) ||\n    element.hasAttribute('contenteditable') ||\n    hasValidTabIndex(element)\n  );\n}\n\n/** Gets the parent window of a DOM node with regards of being inside of an iframe. */\nfunction getWindow(node: HTMLElement): Window {\n  // ownerDocument is null if `node` itself *is* a document.\n  return (node.ownerDocument && node.ownerDocument.defaultView) || window;\n}\n"]}