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Hey please don't roast me. So i have a JSON data like this
data": {
"person": [
{
"id": "xx1",
"name": "John DOe",
},
],
"person": [
{
"id": "xx2",
"name": "John Snow",
},
],
}
For example, I want to store every person data whose name contains "o". How could I do that? Thank you
JSON object ,if have duplicate keys, it will replace the first one with the most bottom one .
In your sample data, there is two "person" keys. Therefore, at the end, your said data will succumb to this.
{"data":{"person":[{"id":"xx2","name":"John Snow"}]}}
Therefore, to clarify your data, IMHO, this is supposed to be like this in the first place.
"data": {
"person": [
{
"id": "xx1",
"name": "John DOe",
},
{
"id": "xx2",
"name": "John Snow",
},
]
}
Then you can treat data.person as an array and use Array.prototype function to filter out your desired details.
The filter method should be
const personWithNameO = data.person.filter((v) => v.name.includes("o") );
console.log(personWithNameO);
Related
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I am sorry if this is a newbie question, I am recently started to work with Javascript.
I've got a string that looks like this:
myString = "#101|Maria|Smith|Teacher|26000|Football #102|Albert|Sullivan|Pianist|85000|Swimming"
My desired outcome would be a json like the following:
[
{
"id": "101"
"Name": "Maria",
"LastName": "Smith"
"Job": "Teacher",
"Salary": "26000",
"FavSport": "Football"
},
{
"id": "102"
"Name": "Albert",
"LastName": "Sullivan"
"Job": "Pianist",
"Salary": "85000",
"FavSport": "Swimming"
}
]
I have tried using myString.split('#') but it returns an array that is still separated by vertical bars and that I am not able to separate. Any ideas are highly appreciated
Split by space " " to get first your groups
Then, split by pipe "|" to get an array of values
Then .map() your array to a new Array of objects
const myString = "#101|Maria|Smith|Teacher|26000|Football #102|Albert|Sullivan|Pianist|85000|Swimming";
const groups = myString.split(" ");
const result = groups.map((groupString) => {
const [id, Name, LastName, Job, Salary, FavSport] = groupString.split("|");
return {id: id.replace("#", ""), Name, LastName, Job, Salary, FavSport};
});
console.log(result)
Then, to convert it to a JSON String use:
const json = JSON.stringify(result);
PS: Anyways, I would highly discourage you from using that input string format
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I do have json like below
[
[{
"id": "4e181c1b-0a68-425e-9eb7-df36324b6cdb",
"date_actual": {
"value": "2020-10-21T13:15:00"
},
"Date": "20201021",
"name": "abc"
},
{
"id": "4e181c1b-0a68-425e-9eb7-df36324qqq",
"date_actual": {
"value": "2020-1-21T13:15:00"
},
"Date": "2020102",
"name": "xyz"
}
]
]
want to modified like below
[
{
"id": "4e181c1b-0a68-425e-9eb7-df36324b6cdb",
"date_actual": "2020-10-21T13:15:00",
"Date": "20201021",
"name": "abc"
},
{
"id": "4e181c1b-0a68-425e-9eb7-df36324qqq",
"date_actual": "2020-10-21T13:15:00",
"Date": "2020102",
"name": "xyz"
}
]
My service class code is
const rows = await bigqueryClient.query(queryData);
console.log("old json"+JSON.stringify(rows));
return rows;
how to solve this issue using nestjs any way please help me ?
This isn't specific to NodeJS or NestJS, but is regular old JavaScript. As you have an array of values you can use the Array.prototype.map method to map to a new array
return origArray.map((val) => ({ ...val, date_actual: val.date_actual.value }))
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I have scraped a webpage using BeautifulSoup and requests and following piece of code is a portion from the whole HTML page.
$create(Web.Scheduler, {
"model": '{"apt":[0]}',
"timeZone": "UTC",
"_uniqueId": "94b3535a4bdaaf329cab5b7fde996f14",
"allowEdit": false,
"people":
"[{\"id\": 1, \"name\": \"John\", \"age\": \"30\"},{\"id\": 2, \"name\": \"Jane\", \"age\": \"27\"}]",
"attributes": {},
"groupBy": "name",
});
There is an object with key "people". How can I extract the value of this key using regex i.e.
[{"id": 1, "name": "John", "age": "30"},{"id": 2, "name": "Jane", "age": "27"}]
so that I can parse it as a Python dictionary. I can confirm that string "people" (with quotes) is unique on the whole page.
So far, I've seen some solutions to extract strings enclosed in quotes. But in this case, I have to use a pattern that matches "people": and maybe "attributes" key after it can also be used as a stopping point, I have to extract what's in the middle of these two. Thanks in advance!
You can use re/ast modules to extract the data. For example:
import re
from ast import literal_eval
txt = r'''
$create(Web.Scheduler, {
"model": '{"apt":[0]}',
"timeZone": "UTC",
"_uniqueId": "94b3535a4bdaaf329cab5b7fde996f14",
"allowEdit": false,
"people":
"[{\"id\": 1, \"name\": \"John\", \"age\": \"30\"},{\"id\": 2, \"name\": \"Jane\", \"age\": \"27\"}]",
"attributes": {},
"groupBy": "name",
});
'''
data = re.search(r'("people".*?),\s*\n', txt, flags=re.S).group(1)
data = literal_eval('{' + data + '}')
# print the result:
print(data['people'])
Prints:
[{"id": 1, "name": "John", "age": "30"},{"id": 2, "name": "Jane", "age": "27"}]
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I have an object like below:
Parent: { Child1: [ {name:'grandchild1', value:'abc', checked:true}, {name:'grandchild2', value:'pqr', checked:false} ], Child2: [ {name:'grandchild3', value:'abcd', checked:false}, {name:'grandchild4', value:'pqrs', checked:true} ], parent2{...........}.... };
How can I make it nested JSON.
Just like in root: parent1, parent2...
Child: children1, ....( Corresponding to parent)
Grandchildren: based on children
Please guide me how can I make it?
To make a JSON object you just have to follow JSON syntax
In your example it will look like:
{
"parent": {
"child1": [{
"name": "grandchild1",
"value": "abc",
"checked": "true"
}, {
"name": "grandchild2",
"value": "pqr",
"checked": "false"
}]
}
}
Please note that in JSON, string values must be written with double quotes.
If you need to get JSON string from object programmatically, you can write in javascript:
var myJSON = JSON.stringify(obj);
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I have a JSON file like this:
{[
{"name":"avc"},
{"name":"Anna"},
{"name":"Peter"},
{"Folder":[
{"name":"John"},
{"name":"Anna"},
{"Folder":[
{"name":"gg"},
{"name":"hh"}
]
}
]
}
]
}
It can be nested to any number of levels.
I want to traverse this file for any number of levels.
How can I achieve this using Javascript/JQuery
Thanks
You could iterate with Array#forEach and if a Folder is an array, then iterate that, too.
var a = [{ "name": "avc" }, { "name": "Anna" }, { "name": "Peter" }, { "Folder": [{ "name": "John" }, { "name": "Anna" }, { "Folder": [{ "name": "gg" }, { "name": "hh" }] }] }];
a.forEach(function iter(a) {
if (Array.isArray(a.Folder)) {
a.Folder.forEach(iter);
return;
}
console.log(a.name);
});
I read your question like this:
How can I iterate through an array of object, where an object may have
children of it's own. And every child may have children and so on...
One way is to write a recursive function, which is a function that calls itself. Here's a recursive function which will log every post into console.
Note that I've changed your model into a proper object. Also, I've added name to folder, but that can be removed if not necessary.
var a = [
{name:"avc"},
{name:"Anna"},
{name:"Peter"},
{name:"Folder name1",
folder:[
{name:"John"},
{name:"Anna"},
{name: "Folder name2",
folder:[
{name:"James"},
{name:"Clark"},
{name: "Folder name3",
folder:[
{name:"Cecilia"},
{name:"Clara"}
]},
{name:"Stephen"}
]
}
]
}
];
function read(obj){
for(var i = 0; i < obj.length; i++)
{
console.log(obj[i].name); // Or do what you need here...
if(obj[i].folder)
{
// Recursive call
read(obj[i].folder);
}
}
}
read(a);