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Retrieving Values with and without Duplicating from JSON Object using Google Apps Script

Thu, 30 May 2019 14:14:13 +0900

This is a sample script for retrieving the values with and without duplicating from JSON object using Google Apps Script. Also this can be used by Javascript.

Sample script

var obj = [
  { key1: "value1a", key2: "value1b" },
  { key1: "value2a", key2: "value2b" },
  { key1: "value5a", key2: "value5b" },
  { key1: "value3a", key2: "value3b" },
  { key1: "value1a", key2: "value1b" },
  { key1: "value4a", key2: "value4b" },
  { key1: "value5a", key2: "value5b" },
  { key1: "value3a", key2: "value3b" }
];

var res = obj.reduce(
  function(obj, e) {
    if (
      obj.withoutDuplicating.some(function(f) {
        return f.key1 === e.key1 && f.key2 === e.key2;
      })
    ) {
      obj.withDuplicating.push(e);
    } else {
      obj.withoutDuplicating.push(e);
    }
    return obj;
  },
  { withoutDuplicating: [], withDuplicating: [] }
);

Logger.log(res);

Result

{
  "withoutDuplicating": [
    {
      "key1": "value1a",
      "key2": "value1b"
    },
    {
      "key1": "value2a",
      "key2": "value2b"
    },
    {
      "key1": "value5a",
      "key2": "value5b"
    },
    {
      "key1": "value3a",
      "key2": "value3b"
    },
    {
      "key1": "value4a",
      "key2": "value4b"
    }
  ],
  "withDuplicating": [
    {
      "key1": "value1a",
      "key2": "value1b"
    },
    {
      "key1": "value5a",
      "key2": "value5b"
    },
    {
      "key1": "value3a",
      "key2": "value3b"
    }
  ]
}

Note

As other situation, when f.key1 === e.key1 && f.key2 === e.key2 is modified to f.key1 === e.key1, the duplication of key1 can be retrieved.

Reference

Benchmark: Loop for Array Processing using Google Apps Script

Transposing JSON Object using Google Apps Script

Sun, 25 Feb 2018 16:22:05 +0900

Gists

This is a sample script for transposing JSON object using Google Apps Script.

Input data :

[
    {"key1":"a1","key2":"a2","key3":"a3","key4":"a4","key5":"a5"},
    {"key1":"b1","key2":"b2","key3":"b3","key4":"b4","key5":"b5"},
    {"key1":"c1","key2":"c2","key3":"c3","key4":"c4","key5":"c5"},
    {"key1":"d1","key2":"d2","key3":"d3","key4":"d4","key5":"d5"},
    {"key1":"e1","key2":"e2","key3":"e3","key4":"e4","key5":"e5"}
]

Output data :

{
    "key1": ["a1", "b1", "c1", "d1", "e1"],
    "key2": ["a2", "b2", "c2", "d2", "e2"],
    "key3": ["a3", "b3", "c3", "d3", "e3"],
    "key4": ["a4", "b4", "c4", "d4", "e4"],
    "key5": ["a5", "b5", "c5", "d5", "e5"]
}

Script :

At first, keys have to be defined by yourself, because the order of json is not decided.

var keys = ["key1", "key2", "key3", "key4", "key5"];
var result = {};
data.map(function(_, i){return keys.map(function(f, j){return data[i][keys[j]]})}).forEach(function(e, i){result[keys[i]] = e});
Logger.log(JSON.stringify(result))

Mixing 2 Array Objects Included Dictionary Object by Javascript

Sun, 03 Dec 2017 15:45:34 +0900

Gists

This is a sample script for combining and mixing 2 objects. Each object is an array which included a dictionary type. When the key of the dictionary object is the same, the values are mixed.

This can be also used for Google Apps Script.

Input

var obj1 = [
    {"key1": ["value1a1", "value1a2"]},
    {"key1": ["value1aa1", "value1aa2"]},
    {"key2": ["value2a1", "value2a2"]},
    {"key3": ["value3a1", "value3a2"]},
];
var obj2 = [
    {"key1": ["value1b1", "value1b2"]},
    {"key3": ["value3b1", "value3b2"]},
    {"key3": ["value3bb1", "value3bb2"]},
    {"key4": ["value4b1", "value4b2"]},
];

Output

[
    {"key1": ["value1a1", "value1a2", "value1b1", "value1b2", "value1aa1", "value1aa2"]},
    {"key2": ["value2a1", "value2a2"]},
    {"key3": ["value3a1", "value3a2", "value3b1", "value3b2", "value3bb1", "value3bb2"]},
    {"key4": ["value4b1", "value4b2"]}
]

Sample script :

Javascript :

function mixture(obj1, obj2) {
    Array.prototype.push.apply(obj1, obj2);
    var temp = [];
    var res = [];
    obj1.forEach(function(e, i){
        temp[i] = !~temp.indexOf(Object.keys(e)[0]) ? Object.keys(e)[0] : false;
        if (temp[i]) {
            res.push(e);
        } else {
            res.forEach(function(f, j){
                if (Object.keys(f)[0] == Object.keys(e)[0]) {
                    Array.prototype.push.apply(res[j][Object.keys(f)[0]], e[Object.keys(e)[0]]);
                }
            });
        }
    });
    return res;
}

var obj1 = [
    {"key1": ["value1a1", "value1a2"]},
    {"key1": ["value1aa1", "value1aa2"]},
    {"key2": ["value2a1", "value2a2"]},
    {"key3": ["value3a1", "value3a2"]},
];
var obj2 = [
    {"key1": ["value1b1", "value1b2"]},
    {"key3": ["value3b1", "value3b2"]},
    {"key3": ["value3bb1", "value3bb2"]},
    {"key4": ["value4b1", "value4b2"]},
];
var res = mixture(obj1, obj2);
console.log(JSON.stringify(res))

CoffeeScript :

This is a sample script for coffeescript.

Adding Object to Object by Javascript

Fri, 01 Dec 2017 12:12:45 +0900

Gists

This sample script is for adding object to object by javascript.

Script :

var obj = {
  key1: "value1",
  key2: "value2",
  key3: "value3"
};
var obj1 = {
  key4: "value4",
  key5: "value5",
  key6: "value6"
};
Object.assign(obj, obj1);
console.log(obj);

Result :

{ key1: 'value1',
  key2: 'value2',
  key3: 'value3',
  key4: 'value4',
  key5: 'value5',
  key6: 'value6' }

jsfiddle demo

Reference :

Object.assign()