@beisen/ethos/lib/data-grid/render/slice.js

beisencloud pc react components

'use strict';

function slice(data, props) {

  if (!props.virtualRendering) {
    return data;
  }

  //wuzhe----保证显示数据的条数，解决在windows下滚到最下面数据就被截没了的问题
  var startIdx = props.startIndex + 1;

  if (data.length - props.renderCount > 0 && startIdx > data.length - props.renderCount) {
    startIdx = data.length - props.renderCount;
  }

  if (startIdx > 0) {
    startIdx = startIdx - 1;
  }
  return data.slice(startIdx, startIdx + props.renderCount);
}

module.exports = slice;