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javascript - 如果对象的属性包含任何子字符串，则从数组中减少对象

问题描述

我试图减少数组中的所有对象，它们的属性“Title”包含单独的 JSON 文件中包含的任何子字符串。我一直在尝试按 objects 属性过滤数组，但它实际上不起作用，reduce() 方法会更好地实现它。

目标是对未排除的对象进行一些数学运算，例如：如果任何对象的属性 Title 与包含的不同（qa、质量保证、软件测试员），那么我们应该删除它并且不要将其计算在内

我正在尝试用 noobie 方法来实现它，但无法让它工作，我认为更好的是通过减少不应该在计算中采用的对象来转换 positionArray，然后进行数学运算。

我的功能

calculateSoftwareExperience: async function () {
      fileToCurate.forEach(candidate => {
        const positionsArray = candidate.softwareIndustryPositions;
        console.log(positionsArray)
        //const reducedArray = positionsArray.reduce(x => x.title)
        
        //console.log(positionsArray)
        if (Array.isArray(positionsArray) && positionsArray.length) {
          // array exists and is not empty
          positionsArray.forEach(position => {
            let title = position.title;
            
            if (titlesIncluded.some(x => title.includes(x))) {
              console.log(title)
              const firstFrom = positionsArray[positionsArray.length - 1].from;
              const lastTo = positionsArray[0].to;
              let diff = lastTo - firstFrom;
              let days = (diff * 1000) / (60 * 60 * 24 * 1000) / 1000;
              let months = Math.floor(days / 31);
              //console.log(firstFrom, "to", lastTo, "diff = ", months);
              candidate.softwareIndustryExp = months;
              //console.log(months)
            }
          });
        } else {
          candidate.softwareIndustryExp = 0;
        }
      });
    },

位置数组输出

[
  {
    flagged: false,
    from: 2019-10-31T23:00:00.000Z,
    to: 2020-01-31T23:00:00.000Z,
    title: 'junior manual tester'
  },
  {
    flagged: false,
    from: 2018-05-31T22:00:00.000Z,
    to: 2019-09-30T22:00:00.000Z,
    title: 'junior administrator'
  },
  {
    flagged: false,
    from: 2016-03-31T22:00:00.000Z,
    to: 2016-03-31T22:00:00.000Z,
    title: 'praktykant'
  }
]

带子字符串的输入

    "titlesIncluded": [
        "qa",
        "quality engineer",
        "qa automation",
        "software tester",
        "qa engineer"
    ],

标签： javascriptarraysjavascript-objects

解决方案

我找不到使用 reduce() 方法的方法，但我以我的菜鸟方式完成了它。我所做的基本上是创建新对象并按属性标题过滤，然后将每个对象推入数组并进行适当的数学运算。这是代码：

    calculateSoftwareExperience: async function () {
      fileToCurate.forEach(candidate => {
        const positionsArray = candidate.softwareIndustryPositions;

        if (Array.isArray(positionsArray) && positionsArray.length) {
          let roletypeArray = [];
          positionsArray.forEach(position => {
            let title = position.title;
            if (titlesIncluded.some(x => title.includes(x))) {
              let pos = {};
              pos.title = title;
              pos.from = position.from;
              pos.to = position.to;
              roletypeArray.push(position);
            }
          });

          if (Array.isArray(roletypeArray) && roletypeArray.length) {
            const firstFrom = roletypeArray[roletypeArray.length - 1].from;
            const lastTo = roletypeArray[0].to;
            let diff = lastTo - firstFrom;
            let days = (diff * 1000) / (60 * 60 * 24 * 1000) / 1000;
            let months = Math.floor(days / 31);
            candidate.softwareIndustryExp = months;
          } else {
            candidate.softwareIndustryExp = 0;
          }
        } else {
          candidate.softwareIndustryExp = 0;
        }
      });
    },

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