首页 > 解决方案 > 如何使用 node.js 替换 json 文件的特定部分

问题描述

目前,我有一个如下所示的 JSON 文件:

"1E10BC5D4EC68EE2916BFD97F23E951C": "Seattle Seahawks",
"E6B87019417436B73B62F7802763A289": "Seaside style. ",
"81EEA9E6400BFEADE161559AF14EE468": " {1}",
"6F02148E4A78B33C1CEB75BC2753CA69": " {EndDate}",
"D89CA2634FFF8FA02D028096BAAE6963": "\"You have received a reward for completing the {Bundle Name} {Number} challenges!",
"Mission": {
    "Default Mission Info Description": "Default Mission Description",
    "Default Mission Info Name": "Default Mission Name",
    "RewardDescription": "You ranked {PositionRank}. For your efforts, you have been awarded:",
    "NonParticipationRewardDescription": "Your teammates did a great job! For their efforts, you have been awarded:",
    "RewardTitle": "{MissionName} Completed!"
  }

它持续了大约 40,000 行,我想修改它设置的所有字符串。目前,我正在使用@zuzak/owo来尝试实现这一目标。我当前的代码如下所示:

const owo = require('@zuzak/owo')
fs = require('fs');

var name = '../jsonfile.json';

var data = fs.readFileSync(name).toString();


fs.writeFileSync('../owo.json', JSON.stringify(owo(data)))

我怎样才能只更改字符串,例如"Seaside style. "而不编辑任何字符串名称,例如"81EEA9E6400BFEADE161559AF14EE468"(抱歉任何不正确的措辞,希望您能理解我在说什么。)

如果您需要,这里是@zuzak/owo 中使用的主要代码:

const addAffixes = (str) => randomItem(prefixes) + str + randomItem(suffixes)
const substitute = (str) => {
  const replacements = Object.keys(substitutions)
  replacements.forEach((x) => {
    str = replaceString(str, x, substitutions[x])
  })
  return str
}

标签: javascriptnode.jsjson

解决方案


解析 JSON,迭代键,修改值。如有必要,也递归迭代子对象:

function owoifyObject (obj) {
  for (const key in obj) {
    if (typeof obj[key] === 'string') {
      obj[key] = owo(obj[key])
    } else if (typeof obj[key] === 'object' && obj[key]) {
      owoifyObject(obj[key])
    }
  }
}

const data = JSON.parse(fs.readFileSync('file.json').toString())
owoifyObject(data)
fs.writeFileSync('file2.json', JSON.stringify(data, null, 4))

请注意,4in的参数JSON.stringify纯粹用于格式化,以便结果看起来像您的输入那样,否则您将在一行中获得所有数据。


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