fangliaoxiaochengxv/wxcomponents/vant/dist/dialog/dialog.js

let queue = [];
const defaultOptions = {
    show: false,
    title: '',
    width: null,
    theme: 'default',
    message: '',
    zIndex: 100,
    overlay: true,
    selector: '#van-dialog',
    className: '',
    asyncClose: false,
    beforeClose: null,
    transition: 'scale',
    customStyle: '',
    messageAlign: '',
    overlayStyle: '',
    confirmButtonText: '确认',
    cancelButtonText: '取消',
    showConfirmButton: true,
    showCancelButton: false,
    closeOnClickOverlay: false,
    confirmButtonOpenType: '',
};
let currentOptions = Object.assign({}, defaultOptions);

function getContext() {
    const pages = getCurrentPages();
    return pages[pages.length - 1];
}

const Dialog = (options) => {
    options = Object.assign(Object.assign({}, currentOptions), options);
    return new Promise((resolve, reject) => {
        const context = (typeof options.context === 'function'
            ? options.context()
            : options.context) || getContext();
        const dialog = context.selectComponent(options.selector);
        delete options.context;
        delete options.selector;
        if (dialog) {
            dialog.setData(Object.assign({
                callback: (action, instance) => {
                    action === 'confirm' ? resolve(instance) : reject(instance);
                }
            }, options));
            wx.nextTick(() => {
                dialog.setData({show: true});
            });
            queue.push(dialog);
        } else {
            console.warn('未找到 van-dialog 节点，请确认 selector 及 context 是否正确');
        }
    });
};
Dialog.alert = (options) => Dialog(options);
Dialog.confirm = (options) => Dialog(Object.assign({showCancelButton: true}, options));
Dialog.close = () => {
    queue.forEach((dialog) => {
        dialog.close();
    });
    queue = [];
};
Dialog.stopLoading = () => {
    queue.forEach((dialog) => {
        dialog.stopLoading();
    });
};
Dialog.currentOptions = currentOptions;
Dialog.defaultOptions = defaultOptions;
Dialog.setDefaultOptions = (options) => {
    currentOptions = Object.assign(Object.assign({}, currentOptions), options);
    Dialog.currentOptions = currentOptions;
};
Dialog.resetDefaultOptions = () => {
    currentOptions = Object.assign({}, defaultOptions);
    Dialog.currentOptions = currentOptions;
};
Dialog.resetDefaultOptions();
export default Dialog;