jzhw_uni/lib/vant-weapp/mixins/basic.js

export const basic = {
    methods: {
        $emit(...args) {
            this.$emit(...args);
        },
        getRect(selector, all) {
            return new Promise((resolve) => {
                uni.createSelectorQuery()
                    .in(this)
                    [all ? 'selectAll' : 'select'](selector)
                    .boundingClientRect((rect) => {
                        if (all && Array.isArray(rect) && rect.length) {
                            resolve(rect);
                        }
                        if (!all && rect) {
                            resolve(rect);
                        }
                    })
                    .exec();
            });
        }
    }
};