@zerodep/case-snake

A utility that deburrs a string, converts it to snake_case, strips all non-alphanumeric characters and removes leading numbers.

This utility is intended for database field names, CSV header conversion, and other field normalizations, among other uses.

Full documentation is available at the zerodep.app page.

Signature

declare const caseSnake: (value: string) => string;

Examples

// ESM
import { caseSnake } from '@zerodep/case-snake';

// CJS
const { caseSnake } = require('@zerodep/case-snake');

caseSnake('from sentence case'); // "from_sentence_case"
caseSnake('from.dot.case'); // "from_dot_case"
caseSnake('fromCamelCase'); // "from_camel_case"
caseSnake('from_snake_case'); // "from_snake_case"
caseSnake('FromPascalCase'); // "from_pascal_case"
caseSnake(''); // ""

// with non-alphanumeric characters in the string
caseSnake('A string with some !@#$%^& characters'); // "a_string_with_some_characters"
caseSnake('A #22 character long string'); // "a_22_character_long_string"
caseSnake("I'm a sp3c!al $741ng"); // "i_m_a_sp3c_al_741ng"

// with accented characters
caseSnake('àëîóüý Žøñç'); // "aeiouy_zonc"

// with leading special characters and numbers
caseSnake('__with    many --- spaces'); // "with_many_spaces"
caseCamel('12 monkeys see 6 bananas'); // "monkeys_see_6_bananas"

// non-string values
caseSnake({ not: 'a string' }); // throws ZeroDepError: Value is not a string

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ZeroDep Advantages

• Zero npm dependencies - completely eliminates all risk of supply-chain attacks, decreases node_modules folder size
• ESM & CJS - supports both ECMAScript modules and common JavaScript exports
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• Fully Typed - typescript definitions are provided/built-in to every package for a superior developer experience
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• Documented - actually useful documentation with examples at zerodep.app
• Intelligently Packaged - multiple npm packages of different sizes available allowing a menu or a-la-carte composition of capabilities
• 100% Tested - all methods and packages are fully unit tested
• Predictably Versioned - semantically versioned for peace-of-mind upgrading, valuable changelogs for understand changes
• MIT Licensed - permissively licensed for maximum usability