All Questions
Tagged with ecmascript-6 lodash
402 questions
0
votes
1
answer
43
views
Sort function to achieve custom difference along with multiple columns
Trying to achieve custom sort as below:
// 1. sort by 'value' column, here 'a' (first object) and b (second object) has difference equals to 4.5 or less then 4.5 then,
// consider equal values (even ...
- 3,369
0
votes
1
answer
80
views
How to deal with searching strings and array of strings in JS
_.get(params, "_q") outputs either string or array of strings.
On my current code, when I type for example "hello, there", it translates to array of strings and as a result is says ...
- 7,805
0
votes
1
answer
23
views
How to Compare 2 objects and find if a particular property has changed and if yes, set flag to false
I have 2 objects and I want to compare both. If any of the slug properties have changed(added, modified, or deleted) I want the flag to be set to false. Any other change or no changes, I want the flag ...
- 255
1
vote
5
answers
496
views
Find unique array of objects dynamically considering undefined values
I have a an array of objects in this format:
const myArray = [
{
one: 'A',
two: 'AB'
},
{
one: undefined,
two: 'AB'
},
{
one: 'A',
two: 'BC'
},
{
one: undefined,
two: 'CC'
},
]
...
- 681
0
votes
1
answer
7k
views
Lodash merge two objects but replace the same key values with new object value
I have two objects with some common keys but different values like below.
const object1 = {
name: 'John',
age: 23,
books: ['book1', 'book2']
};
const object2 = {
name: 'John',
age: 23,
...
- 199
2
votes
1
answer
715
views
Confused about lodash merge in this case
I understand how a simple lodash merge works but as I was playing around with it to try more complicated scenarios I got confused about how the output is being formed for instance:
const a = [{ h: 1, ...
- 2,059
-1
votes
1
answer
266
views
JavaScript add a line break after every 12th character in a string which has HTML tags
I have a string which is a combination of many small strings, wrapped around a HTML tag.
The target is to add a line break after every 12th character excluding the tags.
'<span>This is a text.&...
- 199
1
vote
2
answers
123
views
JS/lodash - Can we efficiently change an 'array of Object' having value 'Array of Object' into array of Object with single array values
I have used lodash to create chunks of arrays (batches).
let values = {
'key1' : [lotsOfValues1],
'key2' : [lotsOfValues2]
};
let keys = ['key1', 'key2'];
let arrObj = [];
keys.forEach((key) =&...
- 23
2
votes
3
answers
145
views
Javascript merging duplicates in an array of objects
I have an array of objects like this-
{"zone":"lobby a","time":"00:00","hub":"I","Sum":0.0,"schedule":"2022&...
- 383
1
vote
2
answers
531
views
ReferenceError: _ is not defined on an array .map() call
I'm getting a "ReferenceError: _ is not defined" on a .map call like this:
arr.map(async (elem) => {
...
});
There doesn't appear to be any explicit mention of "_" anywhere ...
- 1,621
4
votes
3
answers
89
views
How to tell where an object value is undefined?
Below have I a very simple function, which I type check at compile and runtime, but I would to also rumtime check all the keys result in a value, and if it doesn't, then prompt where it broke.
The ...
- 26.1k
2
votes
2
answers
116
views
JavaScript: How to Group Array of Objects with Nested Properties?
I have this array of objects:
[
{
"date": "08/08/2022",
"name": "Swordsman",
"items": [
{
"item_id": 1,
&...
- 377
0
votes
1
answer
220
views
lodash pick properties and properties from nested array in JSON
Let say I have the following JSON
results = results.map(result => _.pick(result, ['id', 'vessel_type.id', 'emails[0].id']));
but only able to get the first email id
How do I get all email id ...
- 87
0
votes
1
answer
768
views
JS transform deeply nested array of objects at the top level with renaming
I would like to simplify this nested array of objects move some items at the top level with a new property name. Given this data:
let data = [
{
"id": 1001,
"model&...
- 377
0
votes
1
answer
274
views
map object keys from API using ES6 lodash
I'm using Vue 3 for sending POST data to my API. The objects look like
const externalResults: ref(null)
const resource = ref({
id: null,
name: null,
state: {}
})
Before sending the data to the ...
- 2,196