cables_dev/cables/src/core/cgl/cgl_utils.js

/** @namespace CGL */

/**
 * multiply to get radians from degree, e.g. `360 * CGL.DEG2RAD`
 * @const {Number}
 * @memberof CGL
 * @static
 */
export const DEG2RAD = Math.PI / 180.0;

/**
 * to get degrees from radians, e.g. `3.14 * CGL.RAD2DEG`
 * @const {number}
 * @memberof CGL
 */
export const RAD2DEG = 180.0 / Math.PI;

export const onLoadingAssetsFinished = null; // deprecated / remove later

/**
 * get normalized mouse wheel delta (including browser specific adjustment)
 * @function getWheelDelta
 * @static
 * @memberof CGL
 * @param {MouseEvent} event
 * @return {Number} normalized delta
 */
export const isWindows = window.navigator.userAgent.contains("Windows");
const getWheelDelta_ = function (event)
{
    let normalized;
    if (event.wheelDelta)
    {
        // chrome
        normalized = (event.wheelDelta % 120) - 0 == -0 ? event.wheelDelta / 120 : event.wheelDelta / 30;
        normalized *= -1.5;
        if (isWindows) normalized *= 2;
    }
    else
    {
        // firefox
        let d = event.deltaY;
        if (event.shiftKey) d = event.deltaX;
        const rawAmmount = d || event.detail;
        normalized = -(rawAmmount % 3 ? rawAmmount * 10 : rawAmmount / 3);
        normalized *= -3;
    }

    if (normalized > 20) normalized = 20;
    if (normalized < -20) normalized = -20;

    return normalized;
};

export const getWheelSpeed = getWheelDelta_;
export const getWheelDelta = getWheelDelta_;

// from https://github.com/lodash/lodash/blob/master/escape.js

const htmlEscapes = {
    "&": "&amp;",
    "<": "&lt;",
    ">": "&gt;",
    "\"": "&quot;",
    "'": "&#39;",
};

/** Used to match HTML entities and HTML characters. */
const reUnescapedHtml = /[&<>"']/g;
const reHasUnescapedHtml = RegExp(reUnescapedHtml.source);

/*  eslint-disable */
export const escapeHTML = function(string)
{
    return string && reHasUnescapedHtml.test(string) ?
        string.replace(reUnescapedHtml, function(chr) { return htmlEscapes[chr]; })
        : string || "";
}
/* eslint-enable */