@nicky-lenaers/ngx-scroll-to/esm2020/lib/scroll-to-helpers.mjs

A simple Angular 4+ plugin enabling you to smooth scroll to any element on your page and enhance scroll-based features in your app.

import { ElementRef } from '@angular/core';
/** Default values for Component Input */
export const DEFAULTS = {
    target: null,
    action: 'click',
    duration: 650,
    easing: 'easeInOutQuad',
    offset: 0,
    offsetMap: new Map()
};
/** Easing Colleciton */
export const EASING = {
    easeInQuad: (time) => {
        return time * time;
    },
    easeOutQuad: (time) => {
        return time * (2 - time);
    },
    easeInOutQuad: (time) => {
        return time < 0.5 ? 2 * time * time : -1 + (4 - 2 * time) * time;
    },
    easeInCubic: (time) => {
        return time * time * time;
    },
    easeOutCubic: (time) => {
        return (--time) * time * time + 1;
    },
    easeInOutCubic: (time) => {
        return time < 0.5 ? 4 * time * time * time : (time - 1) * (2 * time - 2) * (2 * time - 2) + 1;
    },
    easeInQuart: (time) => {
        return time * time * time * time;
    },
    easeOutQuart: (time) => {
        return 1 - (--time) * time * time * time;
    },
    easeInOutQuart: (time) => {
        return time < 0.5 ? 8 * time * time * time * time : 1 - 8 * (--time) * time * time * time;
    },
    easeInQuint: (time) => {
        return time * time * time * time * time;
    },
    easeOutQuint: (time) => {
        return 1 + (--time) * time * time * time * time;
    },
    easeInOutQuint: (time) => {
        return time < 0.5 ? 16 * time * time * time * time * time : 1 + 16 * (--time) * time * time * time * time;
    },
    easeOutElastic: (time) => {
        return Math.pow(2, -10 * time) * Math.sin((time - 1 / 4) * (2 * Math.PI) / 1) + 1;
    }
};
/**
 * Set of allowed events as triggers
 * for the Animation to start.
 */
export const EVENTS = [
    'click',
    'mouseenter',
    'mouseover',
    'mousedown',
    'mouseup',
    'dblclick',
    'contextmenu',
    'wheel',
    'mouseleave',
    'mouseout'
];
/**
 * Strip hash (#) from value.
 *
 * @param value 				The given string value
 * @returns 					The stripped string value
 */
export function stripHash(value) {
    return value.substring(0, 1) === '#' ? value.substring(1) : value;
}
/**
 * Test if a given value is a string.
 *
 * @param value 					The given value
 * @returns 						Whether the given value is a string
 */
export function isString(value) {
    return typeof value === 'string' || value instanceof String;
}
/**
 * Test if a given Element is the Window.
 *
 * @param container 				The given Element
 * @returns 						Whether the given Element is Window
 */
export function isWindow(container) {
    return container === window;
}
/**
 * Test if a given value is of type ElementRef.
 *
 * @param value 					The given value
 * @returns               Whether the given value is a number
 */
export function isElementRef(value) {
    return value instanceof ElementRef;
}
/**
 * Whether or not the given value is a Native Element.
 *
 * @param value           The given value
 * @returns               Whether or not the value is a Native Element
 */
export function isNativeElement(value) {
    return value instanceof HTMLElement;
}
/**
 * Test if a given value is type number.
 *
 * @param value 					The given value
 * @returns 						Whether the given value is a number
 */
export function isNumber(value) {
    return !isNaN(parseFloat(value)) && isFinite(value);
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"scroll-to-helpers.js","sourceRoot":"","sources":["../../../../projects/ngx-scroll-to/src/lib/scroll-to-helpers.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,UAAU,EAAE,MAAM,eAAe,CAAC;AAK3C,yCAAyC;AACzC,MAAM,CAAC,MAAM,QAAQ,GAAiC;IACpD,MAAM,EAAE,IAAI;IACZ,MAAM,EAAE,OAAO;IACf,QAAQ,EAAE,GAAG;IACb,MAAM,EAAE,eAAe;IACvB,MAAM,EAAE,CAAC;IACT,SAAS,EAAE,IAAI,GAAG,EAAE;CACrB,CAAC;AAEF,wBAAwB;AACxB,MAAM,CAAC,MAAM,MAAM,GAAsC;IACvD,UAAU,EAAE,CAAC,IAAY,EAAE,EAAE;QAC3B,OAAO,IAAI,GAAG,IAAI,CAAC;IACrB,CAAC;IACD,WAAW,EAAE,CAAC,IAAY,EAAE,EAAE;QAC5B,OAAO,IAAI,GAAG,CAAC,CAAC,GAAG,IAAI,CAAC,CAAC;IAC3B,CAAC;IACD,aAAa,EAAE,CAAC,IAAY,EAAE,EAAE;QAC9B,OAAO,IAAI,GAAG,GAAG,CAAC,CAAC,CAAC,CAAC,GAAG,IAAI,GAAG,IAAI,CAAC,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,GAAG,CAAC,GAAG,IAAI,CAAC,GAAG,IAAI,CAAC;IACnE,CAAC;IACD,WAAW,EAAE,CAAC,IAAY,EAAE,EAAE;QAC5B,OAAO,IAAI,GAAG,IAAI,GAAG,IAAI,CAAC;IAC5B,CAAC;IACD,YAAY,EAAE,CAAC,IAAY,EAAE,EAAE;QAC7B,OAAO,CAAC,EAAE,IAAI,CAAC,GAAG,IAAI,GAAG,IAAI,GAAG,CAAC,CAAC;IACpC,CAAC;IACD,cAAc,EAAE,CAAC,IAAY,EAAE,EAAE;QAC/B,OAAO,IAAI,GAAG,GAAG,CAAC,CAAC,CAAC,CAAC,GAAG,IAAI,GAAG,IAAI,GAAG,IAAI,CAAC,CAAC,CAAC,CAAC,IAAI,GAAG,CAAC,CAAC,GAAG,CAAC,CAAC,GAAG,IAAI,GAAG,CAAC,CAAC,GAAG,CAAC,CAAC,GAAG,IAAI,GAAG,CAAC,CAAC,GAAG,CAAC,CAAC;IAChG,CAAC;IACD,WAAW,EAAE,CAAC,IAAY,EAAE,EAAE;QAC5B,OAAO,IAAI,GAAG,IAAI,GAAG,IAAI,GAAG,IAAI,CAAC;IACnC,CAAC;IACD,YAAY,EAAE,CAAC,IAAY,EAAE,EAAE;QAC7B,OAAO,CAAC,GAAG,CAAC,EAAE,IAAI,CAAC,GAAG,IAAI,GAAG,IAAI,GAAG,IAAI,CAAC;IAC3C,CAAC;IACD,cAAc,EAAE,CAAC,IAAY,EAAE,EAAE;QAC/B,OAAO,IAAI,GAAG,GAAG,CAAC,CAAC,CAAC,CAAC,GAAG,IAAI,GAAG,IAAI,GAAG,IAAI,GAAG,IAAI,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,GAAG,CAAC,EAAE,IAAI,CAAC,GAAG,IAAI,GAAG,IAAI,GAAG,IAAI,CAAC;IAC5F,CAAC;IACD,WAAW,EAAE,CAAC,IAAY,EAAE,EAAE;QAC5B,OAAO,IAAI,GAAG,IAAI,GAAG,IAAI,GAAG,IAAI,GAAG,IAAI,CAAC;IAC1C,CAAC;IACD,YAAY,EAAE,CAAC,IAAY,EAAE,EAAE;QAC7B,OAAO,CAAC,GAAG,CAAC,EAAE,IAAI,CAAC,GAAG,IAAI,GAAG,IAAI,GAAG,IAAI,GAAG,IAAI,CAAC;IAClD,CAAC;IACD,cAAc,EAAE,CAAC,IAAY,EAAE,EAAE;QAC/B,OAAO,IAAI,GAAG,GAAG,CAAC,CAAC,CAAC,EAAE,GAAG,IAAI,GAAG,IAAI,GAAG,IAAI,GAAG,IAAI,GAAG,IAAI,CAAC,CAAC,CAAC,CAAC,GAAG,EAAE,GAAG,CAAC,EAAE,IAAI,CAAC,GAAG,IAAI,GAAG,IAAI,GAAG,IAAI,GAAG,IAAI,CAAC;IAC5G,CAAC;IACD,cAAc,EAAE,CAAC,IAAY,EAAE,EAAE;QAC/B,OAAO,IAAI,CAAC,GAAG,CAAC,CAAC,EAAE,CAAC,EAAE,GAAG,IAAI,CAAC,GAAG,IAAI,CAAC,GAAG,CAAC,CAAC,IAAI,GAAG,CAAC,GAAG,CAAC,CAAC,GAAG,CAAC,CAAC,GAAG,IAAI,CAAC,EAAE,CAAC,GAAG,CAAC,CAAC,GAAG,CAAC,CAAC;IACpF,CAAC;CACF,CAAC;AAEF;;;GAGG;AACH,MAAM,CAAC,MAAM,MAAM,GAAa;IAC9B,OAAO;IACP,YAAY;IACZ,WAAW;IACX,WAAW;IACX,SAAS;IACT,UAAU;IACV,aAAa;IACb,OAAO;IACP,YAAY;IACZ,UAAU;CACX,CAAC;AAEF;;;;;GAKG;AACH,MAAM,UAAU,SAAS,CAAC,KAAa;IACrC,OAAO,KAAK,CAAC,SAAS,CAAC,CAAC,EAAE,CAAC,CAAC,KAAK,GAAG,CAAC,CAAC,CAAC,KAAK,CAAC,SAAS,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,KAAK,CAAC;AACpE,CAAC;AAED;;;;;GAKG;AACH,MAAM,UAAU,QAAQ,CAAC,KAAU;IACjC,OAAO,OAAO,KAAK,KAAK,QAAQ,IAAI,KAAK,YAAY,MAAM,CAAC;AAC9D,CAAC;AAED;;;;;GAKG;AACH,MAAM,UAAU,QAAQ,CAAC,SAAc;IACrC,OAAO,SAAS,KAAK,MAAM,CAAC;AAC9B,CAAC;AAED;;;;;GAKG;AACH,MAAM,UAAU,YAAY,CAAC,KAAU;IACrC,OAAO,KAAK,YAAY,UAAU,CAAC;AACrC,CAAC;AAED;;;;;GAKG;AACH,MAAM,UAAU,eAAe,CAAC,KAAU;IACxC,OAAO,KAAK,YAAY,WAAW,CAAC;AACtC,CAAC;AAED;;;;;GAKG;AACH,MAAM,UAAU,QAAQ,CAAC,KAAU;IACjC,OAAO,CAAC,KAAK,CAAC,UAAU,CAAC,KAAK,CAAC,CAAC,IAAI,QAAQ,CAAC,KAAK,CAAC,CAAC;AACtD,CAAC","sourcesContent":["import { ElementRef } from '@angular/core';\n\nimport { ScrollToAnimationEasingCollection } from './scroll-to-easing.interface';\nimport { ScrollToDefaultConfigOptions } from './scroll-to-config.interface';\n\n/** Default values for Component Input */\nexport const DEFAULTS: ScrollToDefaultConfigOptions = {\n  target: null,\n  action: 'click',\n  duration: 650,\n  easing: 'easeInOutQuad',\n  offset: 0,\n  offsetMap: new Map()\n};\n\n/** Easing Colleciton */\nexport const EASING: ScrollToAnimationEasingCollection = {\n  easeInQuad: (time: number) => {\n    return time * time;\n  },\n  easeOutQuad: (time: number) => {\n    return time * (2 - time);\n  },\n  easeInOutQuad: (time: number) => {\n    return time < 0.5 ? 2 * time * time : -1 + (4 - 2 * time) * time;\n  },\n  easeInCubic: (time: number) => {\n    return time * time * time;\n  },\n  easeOutCubic: (time: number) => {\n    return (--time) * time * time + 1;\n  },\n  easeInOutCubic: (time: number) => {\n    return time < 0.5 ? 4 * time * time * time : (time - 1) * (2 * time - 2) * (2 * time - 2) + 1;\n  },\n  easeInQuart: (time: number) => {\n    return time * time * time * time;\n  },\n  easeOutQuart: (time: number) => {\n    return 1 - (--time) * time * time * time;\n  },\n  easeInOutQuart: (time: number) => {\n    return time < 0.5 ? 8 * time * time * time * time : 1 - 8 * (--time) * time * time * time;\n  },\n  easeInQuint: (time: number) => {\n    return time * time * time * time * time;\n  },\n  easeOutQuint: (time: number) => {\n    return 1 + (--time) * time * time * time * time;\n  },\n  easeInOutQuint: (time: number) => {\n    return time < 0.5 ? 16 * time * time * time * time * time : 1 + 16 * (--time) * time * time * time * time;\n  },\n  easeOutElastic: (time: number) => {\n    return Math.pow(2, -10 * time) * Math.sin((time - 1 / 4) * (2 * Math.PI) / 1) + 1;\n  }\n};\n\n/**\n * Set of allowed events as triggers\n * for the Animation to start.\n */\nexport const EVENTS: string[] = [\n  'click',\n  'mouseenter',\n  'mouseover',\n  'mousedown',\n  'mouseup',\n  'dblclick',\n  'contextmenu',\n  'wheel',\n  'mouseleave',\n  'mouseout'\n];\n\n/**\n * Strip hash (#) from value.\n *\n * @param value \t\t\t\tThe given string value\n * @returns \t\t\t\t\tThe stripped string value\n */\nexport function stripHash(value: string): string {\n  return value.substring(0, 1) === '#' ? value.substring(1) : value;\n}\n\n/**\n * Test if a given value is a string.\n *\n * @param value \t\t\t\t\tThe given value\n * @returns \t\t\t\t\t\tWhether the given value is a string\n */\nexport function isString(value: any): value is string {\n  return typeof value === 'string' || value instanceof String;\n}\n\n/**\n * Test if a given Element is the Window.\n *\n * @param container \t\t\t\tThe given Element\n * @returns \t\t\t\t\t\tWhether the given Element is Window\n */\nexport function isWindow(container: any): container is Window {\n  return container === window;\n}\n\n/**\n * Test if a given value is of type ElementRef.\n *\n * @param value \t\t\t\t\tThe given value\n * @returns               Whether the given value is a number\n */\nexport function isElementRef(value: any): value is ElementRef {\n  return value instanceof ElementRef;\n}\n\n/**\n * Whether or not the given value is a Native Element.\n *\n * @param value           The given value\n * @returns               Whether or not the value is a Native Element\n */\nexport function isNativeElement(value: any): value is HTMLElement {\n  return value instanceof HTMLElement;\n}\n\n/**\n * Test if a given value is type number.\n *\n * @param value \t\t\t\t\tThe given value\n * @returns \t\t\t\t\t\tWhether the given value is a number\n */\nexport function isNumber(value: any): value is number {\n  return !isNaN(parseFloat(value)) && isFinite(value);\n}\n"]}