Ener.js

function logArray(arr) {
  arr.forEach((value, index) => console.log(`${index.toString(2).padStart(Math.log2(arr.length), '0')}: ${value}`))
}

function newArray(len) {
  if (typeof Uint8Array !== 'undefined') {
    return new Uint8Array(len)
  }
  return new Array(len)
}

function checkEner(items, requirements) {
  var n = requirements.length
  var len = 1 << n
  var arr = newArray(len)
  for (var i = 0; i < len; i++) {
    // 第 i 条不等式
    var filters = []
    for (var j = 0; j < n; j++) {
      if (i & (1 << j)) {
        filters.push(requirements[j].filter)
      }
    }
    for (var j = 0; j < items.length; j++) {
      var item = items[j]
      if (filters.some(function (filter) {
        return filter(item)
      })) {
        arr[i]++
      }
    }
  }
  logArray(arr)
  for (var i = 0; i < len; i++) {
    let amount = 0
    for (var j = 0; j < n; j++) {
      if (i & (1 << j)) {
        amount += requirements[j].count
      }
    }
    if (arr[i] < amount) {
      return false
    }
  }
  return true
}

var items = [
  '红蓝',
  '红',
  '蓝',
  '蓝',
  '蓝',
  '蓝',
]
var requirements = [
    {
      count: 1,
      filter: item => item.includes('红'),
    },
    {
      count: 2,
      filter: item => item.includes('蓝'),
    },
]
checkEner(items, requirements)