How to convert snake_case to camelCase?

by

replacing snake_case or kebab-case to camelCase only for string (ES6+):

const snakeToCamel = str =>
  str.toLowerCase().replace(/([-_][a-z])/g, group =>
    group
      .toUpperCase()
      .replace('-', '')
      .replace('_', '')
  );

result:

console.log(snakeToCamel('TO_CAMEL')) //toCamel
console.log(snakeToCamel('to_camel')) //toCamel
console.log(snakeToCamel('TO-CAMEL')) //toCamel
console.log(snakeToCamel('to-camel')) //toCamel

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