snakeCase (Lodash compatibility) ​
Use snakeCase from es-toolkit
This snakeCase function operates slowly due to normalization logic for handling null or undefined.
Instead, use the faster and more modern snakeCase from es-toolkit.
Converts a string to snake case.
typescript
const snakeCased = snakeCase(str);Reference ​
snakeCase(str) ​
Use snakeCase when you want to convert a string to snakecase. Snake case is a naming convention where each word is written in lowercase and connected with underscores ().
typescript
import { snakeCase } from 'es-toolkit/compat';
// Convert camel case
snakeCase('camelCase');
// Returns: 'camel_case'
// Convert space-separated string
snakeCase('some whitespace');
// Returns: 'some_whitespace'
// Convert hyphen-separated string
snakeCase('hyphen-text');
// Returns: 'hyphen_text'
// Handle consecutive uppercase letters
snakeCase('HTTPRequest');
// Returns: 'http_request'null or undefined are treated as empty strings.
typescript
import { snakeCase } from 'es-toolkit/compat';
snakeCase(null); // ''
snakeCase(undefined); // ''Parameters ​
str(string, optional): The string to convert to snake case.
Returns ​
(string): Returns the converted string in snake case.

