zangai-react/esm5/overlay/overlay-container.js

var OverlayContainer = /** @class */ (function () {
    function OverlayContainer() {
        if (!OverlayContainer.isCreating) {
            throw new Error('只能存在一个实例');
        }
    }
    OverlayContainer.getInstance = function () {
        if (OverlayContainer.instance == null) {
            OverlayContainer.isCreating = true;
            OverlayContainer.instance = new OverlayContainer();
            OverlayContainer.instance.containerDom = document.createElement('div');
            OverlayContainer.instance.containerDom.className = 'cdk-overlay-container';
            document.body.appendChild(OverlayContainer.instance.containerDom);
            OverlayContainer.isCreating = false;
        }
        return OverlayContainer.instance;
    };
    OverlayContainer.isCreating = false;
    return OverlayContainer;
}());
export { OverlayContainer };