vanillajs-browser-helpers/invisible.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 __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var hidden_1 = __importDefault(require("./hidden"));
/**
 * Test if a given DOM element is invisible.
 *
 * @param elm - DOM element to test
 * @return Is the element invisible
 */
function invisible(elm) {
    var checkElm = elm;
    while (checkElm && checkElm.tagName !== 'BODY') {
        if ((0, hidden_1.default)(checkElm)
            || !checkElm.offsetHeight
            || !checkElm.offsetWidth
            || !Number(getComputedStyle(checkElm).opacity)) {
            return true;
        }
        checkElm = checkElm.parentElement;
    }
    return false;
}
exports.default = invisible;