t-comm/lib/list/split.js

专业、稳定、纯粹的工具库

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

function getStrListLength(list) {
  return list.reduce(function (acc, item) {
    return acc + item.length;
  }, 0);
}
function splitLongList(list) {
  var threshold = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 3800;
  var max = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 3;
  var strLen = getStrListLength(list);
  if (strLen <= threshold) {
    return [list];
  }
  var result = [];
  var temp = [];
  for (var i = 0; i < list.length; i++) {
    var item = list[i];
    temp.push(item);
    var tempLen = getStrListLength(temp);
    if (tempLen >= threshold) {
      result.push(temp);
      temp = [];
      if (result.length >= max - 1) {
        temp = list.slice(i + 1);
        break;
      }
    }
  }
  result.push(temp);
  return result;
}

exports.getStrListLength = getStrListLength;
exports.splitLongList = splitLongList;