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朱桂飞

2023-03-20 3755d8c086441ce54864121ca4eb6f800fb914a8

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export function getAllRect(context, selector) { 
    return new Promise((resolve) => { 
        uni.createSelectorQuery() 
            .in(context) 
            .selectAll(selector) 
            .boundingClientRect() 
            .exec((rect = []) => resolve(rect[0])); 
    }); 
} 
 
export function getRect(context, selector) { 
    return new Promise((resolve) => { 
        uni.createSelectorQuery() 
            .in(context) 
            .select(selector) 
            .boundingClientRect() 
            .exec((rect = []) => resolve(rect[0])); 
    }); 
} 
 
export function requestAnimationFrame(cb) { 
    const systemInfo = uni.getSystemInfoSync(); 
    if (systemInfo.platform === 'devtools') { 
        return setTimeout(() => { 
            cb(); 
        }, 1000 / 30); 
    } 
    return uni 
        .createSelectorQuery() 
        .selectViewport() 
        .boundingClientRect() 
        .exec(() => { 
            cb(); 
        }); 
}