eruda/test/boot.js

function boot(name, cb) {
    // Need a little delay to make sure width and height of webpack dev server iframe are initialized.
    setTimeout(function() {
        var options = {
            useShadowDom: false
        };
        if (name) {
            options.tool = name === 'settings' ? [] : name;
        }

        try {
            eruda.init(options);
        } catch (e) {
            alert(e);
        }
        eruda
            .show()
            .get()
            .config.set('displaySize', 50);

        cb && cb();

        if (name == null) return;

        loadJs('lib/boot', function() {
            loadJs('lib/jasmine-jquery', function() {
                // This is needed to trigger jasmine initialization.
                loadJs(name, function() {
                    window.onload();
                });
            });
        });
    }, 500);
}

function loadJs(src, cb) {
    var script = document.createElement('script');
    script.src = src + '.js';
    script.onload = cb;
    document.body.appendChild(script);
}