Collect.js mapInto() Method
Last Updated :
26 Nov, 2020
The mapInto() method is used to iterate through the collection elements and instantiate the given class with each element as a constructor.
Syntax:
collect(array).mapInto()
Parameters: The collect() method takes one argument that is converted into the collection and then mapInto() method is applied on it.
Return Value: This method returns the mapped collection elements.
Below example illustrate the mapInto() method in collect.js:
Example 1:
Javascript
const collect = require( 'collect.js' );
const data = function (name) {
this .name = name;
};
const arr = [ 'GFG' , 'Geeks' , 'GeeksforGeeks' ];
const collection = collect(arr);
const elements = collection.mapInto(data);
console.log(elements.all());
|
Output:
[
data { name: 'GFG' },
data { name: 'Geeks' },
data { name: 'GeeksforGeeks' }
]
Example 2:
Javascript
const collect = require( 'collect.js' );
const data = function (name, dob) {
this .name = name;
this .dob = dob;
};
let obj = [
{
name: 'Rahul' ,
dob: '25-10-96' ,
section: 'A' ,
score: 98,
},
{
name: 'Aditya' ,
dob: '25-10-96' ,
section: 'B' ,
score: 96,
},
{
name: 'Abhishek' ,
dob: '16-08-94' ,
section: 'A' ,
score: 80
},
{
name: 'Rahul' ,
dob: '19-08-96' ,
section: 'B' ,
score: 77,
},
];
const collection = collect(obj);
const objects = collection.mapInto(data);
console.log(objects.all());
|
Output:
[
data {
name: {
name: 'Rahul',
dob: '25-10-96',
section: 'A',
score: 98
},
dob: 0
},
data {
name: {
name: 'Aditya',
dob: '25-10-96',
section: 'B',
score: 96 },
dob: 1
},
data {
name: {
name: 'Abhishek',
dob: '16-08-94',
section: 'A',
score: 80
},
dob: 2
},
data {
name: {
name: 'Rahul',
dob: '19-08-96',
section: 'B',
score: 77
},
dob: 3
}
]
Share your thoughts in the comments
Please Login to comment...