/**
 * @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 { ComponentFactoryResolver } from '@angular/core';
/**
 * Provide methods for scheduling the execution of a callback.
 */
export const scheduler = {
    /**
     * Schedule a callback to be called after some delay.
     *
     * Returns a function that when executed will cancel the scheduled function.
     */
    schedule(taskFn, delay) {
        const id = setTimeout(taskFn, delay);
        return () => clearTimeout(id);
    },
    /**
     * Schedule a callback to be called before the next render.
     * (If `window.requestAnimationFrame()` is not available, use `scheduler.schedule()` instead.)
     *
     * Returns a function that when executed will cancel the scheduled function.
     */
    scheduleBeforeRender(taskFn) {
        // TODO(gkalpak): Implement a better way of accessing `requestAnimationFrame()`
        //                (e.g. accounting for vendor prefix, SSR-compatibility, etc).
        if (typeof window === 'undefined') {
            // For SSR just schedule immediately.
            return scheduler.schedule(taskFn, 0);
        }
        if (typeof window.requestAnimationFrame === 'undefined') {
            const frameMs = 16;
            return scheduler.schedule(taskFn, frameMs);
        }
        const id = window.requestAnimationFrame(taskFn);
        return () => window.cancelAnimationFrame(id);
    },
};
/**
 * Convert a camelCased string to kebab-cased.
 */
export function camelToDashCase(input) {
    return input.replace(/[A-Z]/g, char => `-${char.toLowerCase()}`);
}
/**
 * Check whether the input is an `Element`.
 */
export function isElement(node) {
    return !!node && node.nodeType === Node.ELEMENT_NODE;
}
/**
 * Check whether the input is a function.
 */
export function isFunction(value) {
    return typeof value === 'function';
}
/**
 * Convert a kebab-cased string to camelCased.
 */
export function kebabToCamelCase(input) {
    return input.replace(/-([a-z\d])/g, (_, char) => char.toUpperCase());
}
let _matches;
/**
 * Check whether an `Element` matches a CSS selector.
 * NOTE: this is duplicated from @angular/upgrade, and can
 * be consolidated in the future
 */
export function matchesSelector(el, selector) {
    if (!_matches) {
        const elProto = Element.prototype;
        _matches = elProto.matches || elProto.matchesSelector || elProto.mozMatchesSelector ||
            elProto.msMatchesSelector || elProto.oMatchesSelector || elProto.webkitMatchesSelector;
    }
    return el.nodeType === Node.ELEMENT_NODE ? _matches.call(el, selector) : false;
}
/**
 * Test two values for strict equality, accounting for the fact that `NaN !== NaN`.
 */
export function strictEquals(value1, value2) {
    return value1 === value2 || (value1 !== value1 && value2 !== value2);
}
/** Gets a map of default set of attributes to observe and the properties they affect. */
export function getDefaultAttributeToPropertyInputs(inputs) {
    const attributeToPropertyInputs = {};
    inputs.forEach(({ propName, templateName }) => {
        attributeToPropertyInputs[camelToDashCase(templateName)] = propName;
    });
    return attributeToPropertyInputs;
}
/**
 * Gets a component's set of inputs. Uses the injector to get the component factory where the inputs
 * are defined.
 */
export function getComponentInputs(component, injector) {
    const componentFactoryResolver = injector.get(ComponentFactoryResolver);
    const componentFactory = componentFactoryResolver.resolveComponentFactory(component);
    return componentFactory.inputs;
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"utils.js","sourceRoot":"","sources":["../../../../../../packages/elements/src/utils.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AACH,OAAO,EAAC,wBAAwB,EAAiB,MAAM,eAAe,CAAC;AAEvE;;GAEG;AACH,MAAM,CAAC,MAAM,SAAS,GAAG;IACvB;;;;OAIG;IACH,QAAQ,CAAC,MAAkB,EAAE,KAAa;QACxC,MAAM,EAAE,GAAG,UAAU,CAAC,MAAM,EAAE,KAAK,CAAC,CAAC;QACrC,OAAO,GAAG,EAAE,CAAC,YAAY,CAAC,EAAE,CAAC,CAAC;IAChC,CAAC;IAED;;;;;OAKG;IACH,oBAAoB,CAAC,MAAkB;QACrC,+EAA+E;QAC/E,8EAA8E;QAC9E,IAAI,OAAO,MAAM,KAAK,WAAW,EAAE;YACjC,qCAAqC;YACrC,OAAO,SAAS,CAAC,QAAQ,CAAC,MAAM,EAAE,CAAC,CAAC,CAAC;SACtC;QAED,IAAI,OAAO,MAAM,CAAC,qBAAqB,KAAK,WAAW,EAAE;YACvD,MAAM,OAAO,GAAG,EAAE,CAAC;YACnB,OAAO,SAAS,CAAC,QAAQ,CAAC,MAAM,EAAE,OAAO,CAAC,CAAC;SAC5C;QAED,MAAM,EAAE,GAAG,MAAM,CAAC,qBAAqB,CAAC,MAAM,CAAC,CAAC;QAChD,OAAO,GAAG,EAAE,CAAC,MAAM,CAAC,oBAAoB,CAAC,EAAE,CAAC,CAAC;IAC/C,CAAC;CACF,CAAC;AAEF;;GAEG;AACH,MAAM,UAAU,eAAe,CAAC,KAAa;IAC3C,OAAO,KAAK,CAAC,OAAO,CAAC,QAAQ,EAAE,IAAI,CAAC,EAAE,CAAC,IAAI,IAAI,CAAC,WAAW,EAAE,EAAE,CAAC,CAAC;AACnE,CAAC;AAED;;GAEG;AACH,MAAM,UAAU,SAAS,CAAC,IAAe;IACvC,OAAO,CAAC,CAAC,IAAI,IAAI,IAAI,CAAC,QAAQ,KAAK,IAAI,CAAC,YAAY,CAAC;AACvD,CAAC;AAED;;GAEG;AACH,MAAM,UAAU,UAAU,CAAC,KAAU;IACnC,OAAO,OAAO,KAAK,KAAK,UAAU,CAAC;AACrC,CAAC;AAED;;GAEG;AACH,MAAM,UAAU,gBAAgB,CAAC,KAAa;IAC5C,OAAO,KAAK,CAAC,OAAO,CAAC,aAAa,EAAE,CAAC,CAAC,EAAE,IAAI,EAAE,EAAE,CAAC,IAAI,CAAC,WAAW,EAAE,CAAC,CAAC;AACvE,CAAC;AAED,IAAI,QAAkD,CAAC;AAEvD;;;;GAIG;AACH,MAAM,UAAU,eAAe,CAAC,EAAO,EAAE,QAAgB;IACvD,IAAI,CAAC,QAAQ,EAAE;QACb,MAAM,OAAO,GAAQ,OAAO,CAAC,SAAS,CAAC;QACvC,QAAQ,GAAG,OAAO,CAAC,OAAO,IAAI,OAAO,CAAC,eAAe,IAAI,OAAO,CAAC,kBAAkB;YAC/E,OAAO,CAAC,iBAAiB,IAAI,OAAO,CAAC,gBAAgB,IAAI,OAAO,CAAC,qBAAqB,CAAC;KAC5F;IACD,OAAO,EAAE,CAAC,QAAQ,KAAK,IAAI,CAAC,YAAY,CAAC,CAAC,CAAC,QAAQ,CAAC,IAAI,CAAC,EAAE,EAAE,QAAQ,CAAC,CAAC,CAAC,CAAC,KAAK,CAAC;AACjF,CAAC;AAED;;GAEG;AACH,MAAM,UAAU,YAAY,CAAC,MAAW,EAAE,MAAW;IACnD,OAAO,MAAM,KAAK,MAAM,IAAI,CAAC,MAAM,KAAK,MAAM,IAAI,MAAM,KAAK,MAAM,CAAC,CAAC;AACvE,CAAC;AAED,yFAAyF;AACzF,MAAM,UAAU,mCAAmC,CAC/C,MAAkD;IACpD,MAAM,yBAAyB,GAA4B,EAAE,CAAC;IAC9D,MAAM,CAAC,OAAO,CAAC,CAAC,EAAC,QAAQ,EAAE,YAAY,EAAC,EAAE,EAAE;QAC1C,yBAAyB,CAAC,eAAe,CAAC,YAAY,CAAC,CAAC,GAAG,QAAQ,CAAC;IACtE,CAAC,CAAC,CAAC;IAEH,OAAO,yBAAyB,CAAC;AACnC,CAAC;AAED;;;GAGG;AACH,MAAM,UAAU,kBAAkB,CAC9B,SAAoB,EAAE,QAAkB;IAC1C,MAAM,wBAAwB,GAA6B,QAAQ,CAAC,GAAG,CAAC,wBAAwB,CAAC,CAAC;IAClG,MAAM,gBAAgB,GAAG,wBAAwB,CAAC,uBAAuB,CAAC,SAAS,CAAC,CAAC;IACrF,OAAO,gBAAgB,CAAC,MAAM,CAAC;AACjC,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 */\nimport {ComponentFactoryResolver, Injector, Type} from '@angular/core';\n\n/**\n * Provide methods for scheduling the execution of a callback.\n */\nexport const scheduler = {\n  /**\n   * Schedule a callback to be called after some delay.\n   *\n   * Returns a function that when executed will cancel the scheduled function.\n   */\n  schedule(taskFn: () => void, delay: number): () => void {\n    const id = setTimeout(taskFn, delay);\n    return () => clearTimeout(id);\n  },\n\n  /**\n   * Schedule a callback to be called before the next render.\n   * (If `window.requestAnimationFrame()` is not available, use `scheduler.schedule()` instead.)\n   *\n   * Returns a function that when executed will cancel the scheduled function.\n   */\n  scheduleBeforeRender(taskFn: () => void): () => void {\n    // TODO(gkalpak): Implement a better way of accessing `requestAnimationFrame()`\n    //                (e.g. accounting for vendor prefix, SSR-compatibility, etc).\n    if (typeof window === 'undefined') {\n      // For SSR just schedule immediately.\n      return scheduler.schedule(taskFn, 0);\n    }\n\n    if (typeof window.requestAnimationFrame === 'undefined') {\n      const frameMs = 16;\n      return scheduler.schedule(taskFn, frameMs);\n    }\n\n    const id = window.requestAnimationFrame(taskFn);\n    return () => window.cancelAnimationFrame(id);\n  },\n};\n\n/**\n * Convert a camelCased string to kebab-cased.\n */\nexport function camelToDashCase(input: string): string {\n  return input.replace(/[A-Z]/g, char => `-${char.toLowerCase()}`);\n}\n\n/**\n * Check whether the input is an `Element`.\n */\nexport function isElement(node: Node|null): node is Element {\n  return !!node && node.nodeType === Node.ELEMENT_NODE;\n}\n\n/**\n * Check whether the input is a function.\n */\nexport function isFunction(value: any): value is Function {\n  return typeof value === 'function';\n}\n\n/**\n * Convert a kebab-cased string to camelCased.\n */\nexport function kebabToCamelCase(input: string): string {\n  return input.replace(/-([a-z\\d])/g, (_, char) => char.toUpperCase());\n}\n\nlet _matches: (this: any, selector: string) => boolean;\n\n/**\n * Check whether an `Element` matches a CSS selector.\n * NOTE: this is duplicated from @angular/upgrade, and can\n * be consolidated in the future\n */\nexport function matchesSelector(el: any, selector: string): boolean {\n  if (!_matches) {\n    const elProto = <any>Element.prototype;\n    _matches = elProto.matches || elProto.matchesSelector || elProto.mozMatchesSelector ||\n        elProto.msMatchesSelector || elProto.oMatchesSelector || elProto.webkitMatchesSelector;\n  }\n  return el.nodeType === Node.ELEMENT_NODE ? _matches.call(el, selector) : false;\n}\n\n/**\n * Test two values for strict equality, accounting for the fact that `NaN !== NaN`.\n */\nexport function strictEquals(value1: any, value2: any): boolean {\n  return value1 === value2 || (value1 !== value1 && value2 !== value2);\n}\n\n/** Gets a map of default set of attributes to observe and the properties they affect. */\nexport function getDefaultAttributeToPropertyInputs(\n    inputs: {propName: string, templateName: string}[]) {\n  const attributeToPropertyInputs: {[key: string]: string} = {};\n  inputs.forEach(({propName, templateName}) => {\n    attributeToPropertyInputs[camelToDashCase(templateName)] = propName;\n  });\n\n  return attributeToPropertyInputs;\n}\n\n/**\n * Gets a component's set of inputs. Uses the injector to get the component factory where the inputs\n * are defined.\n */\nexport function getComponentInputs(\n    component: Type<any>, injector: Injector): {propName: string, templateName: string}[] {\n  const componentFactoryResolver: ComponentFactoryResolver = injector.get(ComponentFactoryResolver);\n  const componentFactory = componentFactoryResolver.resolveComponentFactory(component);\n  return componentFactory.inputs;\n}\n"]}