vanillajs-browser-helpers/addClass.js

Collection of convenience code snippets (helpers) that aims to make it a little easier to work with vanilla JS in the browser

"use strict";
var __read = (this && this.__read) || function (o, n) {
    var m = typeof Symbol === "function" && o[Symbol.iterator];
    if (!m) return o;
    var i = m.call(o), r, ar = [], e;
    try {
        while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
    }
    catch (error) { e = { error: error }; }
    finally {
        try {
            if (r && !r.done && (m = i["return"])) m.call(i);
        }
        finally { if (e) throw e.error; }
    }
    return ar;
};
var __spreadArray = (this && this.__spreadArray) || function (to, from) {
    for (var i = 0, il = from.length, j = to.length; i < il; i++, j++)
        to[j] = from[i];
    return to;
};
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * Adds one or multiple class names to a DOM element
 *
 * @param elm - HTML ELement to add class names to
 * @param classNames - Class name(s) to add
 * @return The given `elm`
 */
function addClass(elm, classNames) {
    var _a;
    if (!Array.isArray(classNames)) {
        classNames = [classNames];
    }
    (_a = elm.classList).add.apply(_a, __spreadArray([], __read(classNames)));
    return elm;
}
exports.default = addClass;