Function preserveCamelCase

src/utils.js:57–93

(string)

  /(^|\\+)?(\\[A-F0-9]{1,6})\x20(?![a-fA-F0-9\x20])/g;

const preserveCamelCase = (string) => {
  let result = string;
  let isLastCharLower = false;
  let isLastCharUpper = false;
  let isLastLastCharUpper = false;

  for (let i = 0; i < result.length; i++) {
    const character = result[i];

    if (isLastCharLower && /[\p{Lu}]/u.test(character)) {
      result = `${result.slice(0, i)}-${result.slice(i)}`;
      isLastCharLower = false;
      isLastLastCharUpper = isLastCharUpper;
      isLastCharUpper = true;
      i += 1;
    } else if (
      isLastCharUpper &&
      isLastLastCharUpper &&
      /[\p{Ll}]/u.test(character)
    ) {
      result = `${result.slice(0, i - 1)}-${result.slice(i - 1)}`;
      isLastLastCharUpper = isLastCharUpper;
      isLastCharUpper = false;
      isLastCharLower = true;
    } else {
      isLastCharLower =
        character.toLowerCase() === character &&
        character.toUpperCase() !== character;
      isLastLastCharUpper = isLastCharUpper;
      isLastCharUpper =
        character.toUpperCase() === character &&
        character.toLowerCase() !== character;
    }
  }

  return result;
};

function camelCase(input) {
  let result = input.trim();