advanced-js-kit/dist/universal/string/capitalize.js

Modern TypeScript utility library with tree-shaking support - Array, String, Number, Network, Sleep, and JWT utilities for JavaScript and TypeScript projects

// src/universal/string/capitalize.ts
function capitalize(str) {
  if (typeof str !== "string") {
    throw new Error("Input must be a string");
  }
  if (str.length === 0) {
    return str;
  }
  return str.charAt(0).toUpperCase() + str.slice(1);
}
function capitalizeWords(str) {
  if (typeof str !== "string") {
    throw new Error("Input must be a string");
  }
  return str.replace(/\b\w/g, (char) => char.toUpperCase());
}
function convertCamelToNormalCapitalized(camelCaseString) {
  const words = camelCaseString.replace(/([a-z])([A-Z])/g, "$1 $2").split(/[\s_]+/);
  const capitalizedWords = words.map(
    (word) => word.charAt(0).toUpperCase() + word.slice(1)
  );
  const normalCapitalizedString = capitalizedWords.join(" ");
  return normalCapitalizedString;
}

export { capitalize, capitalizeWords, convertCamelToNormalCapitalized };
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