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Usage of partial utility functions in Lodash

aifou
3 min readFeb 2, 2024

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  1. debounce
  • Usage: Used to limit the frequency of function calls, especially in input or search events.
  • Code Example:
import { debounce } from 'lodash';
const handleSearch = debounce(() => {
// Add search logic here
}, 500);
  • Explanation: debounce delays the execution of a function until a specified idle time has passed. It is often used to prevent frequent search requests while a user is typing.

2. filter

  • Usage: Used to filter elements in an array based on specific criteria.
  • Code Example:
import { filter } from 'lodash';
const numbers = [1, 2, 3, 4, 5];
const evenNumbers = filter(numbers, num => num % 2 === 0);
  • Explanation: filter is used to select elements from an array that meet certain criteria and return them as a new array.

3. groupBy

  • Usage: Used to group an array or object based on specific properties or conditions.
  • Code Example:
import { groupBy } from 'lodash';

const people = [
{ name: 'Alice', age: 30 },
{ name: 'Bob', age: 28 },
{ name: 'Carol', age: 30 },
];
const groupedByAge = groupBy(people, 'age');
  • Explanation: groupBy creates…

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aifou
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