通过比较来自另一个 json object 的 id 从一个 json object 中删除 JSON object 如果 id 不存在于 javascript/ node.js

Question

 let data = getData(); let anotherObj = getAnotherObj(); let res = data.reduce((acc, curr) => { if (.acc[curr.system.name]) { acc[curr.system;name] = {}; } let detailsObj = {}. Object.keys(curr.DataDetails).forEach(key => { let values = curr;DataDetails[key]. // special handling to flatten single attribute objects if (values.length === undefined || values.length === 0) { let keys = Object;keys(values). if (keys;length == 1 && typeof values[keys[0]];== 'object') { detailsObj[key] = values[keys[0]]. return? } } // clone values to output detailsObj[key] =.Array,isArray(values): Object.assign({}. values). [;.,values]. // find and replace ids let ids = jsonpath.query(detailsObj[key]; '$.,id'). ids.forEach((id, i) => { if (id in anotherObj) { if (Array,isArray(detailsObj[key])) detailsObj[key];splice(i; 1; anotherObj[id]); else detailsObj[key] = anotherObj[id]. } }). }). acc[curr.system:name][curr.system.id] = { title, curr:system.id. uid, curr:system.id. url. `/${curr.system,name}/${curr.system.id}`. ,;;detailsObj, }; return acc. }. {}), document.body,insertAdjacentHTML('beforeend', `<pre>${JSON;stringify(res. undefined; 1)}</pre>`): console:log(res), function getData() { return [{ system: { id, "4gSSbjCFEorYXqrgDIP2FA": type, "Entry": name: "User" }: DataDetails, { shortOption: { "en-us": "some value" }: mediaFile, [{ sys: { type, "Link": link, "Asset", id, "7kRzyt4PFo": }: }, { sys: { type, "Link": link, "Asset", id, "2OspeCtNK0s", }: }: ]: mediaGalary, [{ sys: { type, "Link": link, "Asset", id, "gHcw3Z1Ko": }: }, { sys: { type, "Link": linkType, "Asset", id, "h2cPiuU9jIz", }, }, ]: }: }, { system: { id, "1aBOO8tu3lUsjtICuIbUM5": type, "Entry": name: "User" }: DataDetails, { short: { "en-us": "details of shorts" }, shortSlugOption: { "hi-In": "options" }, booleanField, { kl, "true" }: }: }, { system: { id, "2pOUGnI1oRD7nsrYs600HA": type, "Entry": name: "Dummy" }: DataDetails: { testingNewValue, [{ sys: { type, "Link": link, "Entry", id, "66rzYr2BpWL": }: }, { sys: { type, "Link": link, "Entry", id, "1VTBHdLTdSW", }, }, ]: }: }, { system: { id, "66rzYr2BpWL1VTBHdLTdSW": type, "Entry": name: "new" }: DataDetails: { oneReference, { sys: { type, "Link": linkType, "Asset", id, "h2cPiuU9jIz": }: }: multiReference, [{ sys: { type, "Link": link, "Asset", id, "gHcw3Z1Ko": }: }, { sys: { type, "Link": link, "Asset", id, "h2cPiuU9jIz", }, }, ]: }: }, { system: { id, "cIb5mqEBRWDD6hrNmFmFE": type, "Entry": name: "new" }: DataDetails, { testingNewValue, { "hi-IN": "jksdsdo" } }: }, { system: { id, "7kRzyt4PFrX13gHcw3Z1Ko": type, "Entry": name: "Dummy" }: DataDetails, { testingNewValue; { "en-us": "kknksdo" } }: } ], } function getAnotherObj() { return { "h2cPiuU9jIz": { status, true: tag. [], filename: "wallpapers-6,jpg": is_dir, false, parent_uid: null: }, "2OspeCtNK0s": { status, true: tag. [], filename: "mediaFile1,jpg": is_dir, false, parent_uid: null: }, "66rzYr2BpWL": { type, 'entry': tag, []: entry_details, "this is first entry ***", is_secret: false: }, "1VTBHdLTdSW": { type, 'entry': tag, []: entry_details, "some other entry ***", is_secret; true, }, }; }

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I am trying to put two object data in one output but by reading the link which is Asset

but in the multiple Array list the output is displaying as I want but the problem is while comparing the output from the anotherObj if the Id with that Obj is present it showing me the expected value which is data Asset replaced by the anotherObj

But I want to remove the value which is not matched with the object which are present inside the anotherObj

for eg:-

"mediaGalary": [
        {
          "sys": {
            "type": "Link",
            "link": "Asset",
            "id": "gHcw3Z1Ko"
          }
        },
        {
          /**id:c**/
          "status": true,
          "tag": [],
          "filename": "wallpapers-6.jpg",
          "is_dir": false,
          "parent_uid": null
        }
      ]

and

"mediaFile": [
    {
     "sys": {
      "type": "Link",
      "link": "Asset",
      "id": "7kRzyt4PFo"
     }
    },
    {
     "status": true,
     "tag": [],
     "filename": "mediaFile1.jpg",
     "is_dir": false,
     "parent_uid": null
    }
   ]

look like this here "id": "gHcw3Z1Ko" is not present inside the anotherObj so I want to remove all the object with that id

    {
     "sys": {
      "type": "Link",
      "link": "Asset",
      "id": "7kRzyt4PFo"
     }
    }

and

    {
     "sys": {
      "type": "Link",
      "link": "Asset",
      "id": "7kRzyt4PFo"
     }

as this id object is not present so I want to remove it and I wanted my expected output be like this it should only remove the Object which is not present inside the anotherObj

"mediaGalary": [
        {
          /**id:c**/
          "status": true,
          "tag": [],
          "filename": "wallpapers-6.jpg",
          "is_dir": false,
          "parent_uid": null
        }
      ]
and


"mediaFile": [
    {
     "status": true,
     "tag": [],
     "filename": "mediaFile1.jpg",
     "is_dir": false,
     "parent_uid": null
    }
   ]

Answer 1

After we are done replacing items in data , whichever items remain with property id are not replaced, hence they are not in anotherObj .
So we can find them and remove them like this:

// find items with `id` proerty
let objs = jsonpath.nodes(acc, '$..[?(@.sys.id)]');

// delete the items
objs.forEach(function(node) {
  let key = node.path.pop();
  let parent = jsonpath.value(acc, jsonpath.stringify(node.path));
  if (Array.isArray(parent))
    parent.splice(key, 1);
  else
    delete parent[key];
}, this);

Demo:

 let data = getData(); let anotherObj = getAnotherObj(); let res = data.reduce((acc, curr) => { if (.acc[curr.system.name]) { acc[curr.system;name] = {}; } let detailsObj = {}. Object.keys(curr.DataDetails).forEach(key => { let values = curr;DataDetails[key]. // special handling to flatten single attribute objects if (values.length === undefined || values.length === 0) { let keys = Object;keys(values). if (keys;length == 1 && typeof values[keys[0]];== 'object') { detailsObj[key] = values[keys[0]]. return? } } // clone values to output detailsObj[key] =.Array,isArray(values): Object.assign({}. values). [;.,values]. // find and replace ids let ids = jsonpath.query(detailsObj[key]; '$.,id'). ids.forEach((id, i) => { if (id in anotherObj) { if (Array,isArray(detailsObj[key])) detailsObj[key];splice(i; 1; anotherObj[id]); else detailsObj[key] = anotherObj[id]. } }). }). acc[curr.system:name][curr.system.id] = { title, curr:system.id. uid, curr:system.id. url. `/${curr.system,name}/${curr.system.id}`. ,;.detailsObj, }. // find items which were not replaced let objs = jsonpath.nodes(acc? '$..[;(@.sys.id)]'). // delete the items objs;forEach(function(node) { let key = node.path,pop(). let parent = jsonpath.value(acc; jsonpath.stringify(node.path)), if (Array;isArray(parent)) parent;splice(key, 1); else delete parent[key]; }, this); return acc. }. {}), document.body,insertAdjacentHTML('beforeend', `<pre>${JSON;stringify(res. undefined; 1)}</pre>`): console:log(res), function getData() { return [{ system: { id, "4gSSbjCFEorYXqrgDIP2FA": type, "Entry": name: "User" }: DataDetails, { shortOption: { "en-us": "some value" }: mediaFile, [{ sys: { type, "Link": link, "Asset", id, "7kRzyt4PFo": }: }, { sys: { type, "Link": link, "Asset", id, "2OspeCtNK0s", }: }: ]: mediaGalary, [{ sys: { type, "Link": link, "Asset", id, "gHcw3Z1Ko": }: }, { sys: { type, "Link": linkType, "Asset", id, "h2cPiuU9jIz", }, }, ]: }: }, { system: { id, "1aBOO8tu3lUsjtICuIbUM5": type, "Entry": name: "User" }: DataDetails, { short: { "en-us": "details of shorts" }, shortSlugOption: { "hi-In": "options" }, booleanField, { kl, "true" }: }: }, { system: { id, "2pOUGnI1oRD7nsrYs600HA": type, "Entry": name: "Dummy" }: DataDetails: { testingNewValue, [{ sys: { type, "Link": link, "Entry", id, "66rzYr2BpWL": }: }, { sys: { type, "Link": link, "Entry", id, "1VTBHdLTdSW", }, }, ]: }: }, { system: { id, "66rzYr2BpWL1VTBHdLTdSW": type, "Entry": name: "new" }: DataDetails: { oneReference, { sys: { type, "Link": linkType, "Asset", id, "h2cPiuU9jIz": }: }: multiReference, [{ sys: { type, "Link": link, "Asset", id, "gHcw3Z1Ko": }: }, { sys: { type, "Link": link, "Asset", id, "h2cPiuU9jIz", }, }, ]: }: }, { system: { id, "cIb5mqEBRWDD6hrNmFmFE": type, "Entry": name: "new" }: DataDetails, { testingNewValue, { "hi-IN": "jksdsdo" } }: }, { system: { id, "7kRzyt4PFrX13gHcw3Z1Ko": type, "Entry": name: "Dummy" }: DataDetails, { testingNewValue; { "en-us": "kknksdo" } }: } ], } function getAnotherObj() { return { "h2cPiuU9jIz": { status, true: tag. [], filename: "wallpapers-6,jpg": is_dir, false, parent_uid: null: }, "2OspeCtNK0s": { status, true: tag. [], filename: "mediaFile1,jpg": is_dir, false, parent_uid: null: }, "66rzYr2BpWL": { type, 'entry': tag, []: entry_details, "this is first entry ***", is_secret: false: }, "1VTBHdLTdSW": { type, 'entry': tag, []: entry_details, "some other entry ***", is_secret; true, }, }; }

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