spinner.js

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define(function (require) {
    var $ = require('jquery');

    var active = false;
    var SHOW_DELAY = 20;

    $('body').append('<div class="elgg-spinner"><div class="elgg-ajax-loader"></div><div class="elgg-spinner-text elgg-subtext"></div></div>');

    var spinner = {
        start: function (text) {
            active = true;
            
            spinner.clearText();

            setTimeout(function () {
                if (active) {
                    $('body').addClass('elgg-spinner-active');
                    $(spinner).triggerHandler('_testing_show');
                }
            }, SHOW_DELAY);

            if (typeof text === 'string') {
                spinner.setText(text);
            } else {
                spinner.setText('');
            }
        },

        stop: function () {
            active = false;
            $('body').removeClass('elgg-spinner-active');
        },

        setText: function (text) {
            $('.elgg-spinner .elgg-spinner-text').text(text);
        },

        clearText: function () {
            $('.elgg-spinner .elgg-spinner-text').html('');
        }
    };

    return spinner;
});