detect-case/dist/index.mjs

Detects the casing of the input string (camelcase, lowercase, snakecase etc).

var __defProp = Object.defineProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });

// index.ts
var WORD_SPLIT_REGEX_STRICT = /([\p{Lu}]+[\p{Ll}]*|[\p{Ll}]+|[\p{N}]+)/gu;
var WORD_SPLIT_REGEX = /([\p{Lu}(.,-]+[\p{Ll})]*|[\p{Ll}()]+|[\p{N}()]+)/gu;
var splitString = /* @__PURE__ */ __name((input, strict = true) => {
  const regex = strict ? WORD_SPLIT_REGEX_STRICT : WORD_SPLIT_REGEX;
  return input ? (String(input).match(regex) || []).filter(Boolean) : [];
}, "splitString");
var isPascalCase = /* @__PURE__ */ __name((input) => {
  return /^([A-Z][a-zA-Z]*)+$/.test(input);
}, "isPascalCase");
var detectCase = /* @__PURE__ */ __name((input) => {
  if (typeof input !== "string") {
    throw new TypeError("Expected input to be a string");
  }
  if (!input) return "unknown";
  if (!/[a-z]/i.test(input)) return "unknown";
  if (input.includes("_")) {
    if (/^([A-Z][A-Z0-9_]+)+$/.test(input)) return "uppersnake";
    if (/^([a-z][a-z0-9_]+)+$/.test(input)) return "snakecase";
    return "mixedcase";
  }
  if (input.includes("-")) {
    if (/^([a-z][a-z0-9-]+)+$/.test(input)) return "kebabcase";
    return "mixedcase";
  }
  if (/^[a-z ]+$/.test(input)) return "lowercase";
  if (/^[A-Z][A-Z0-9_]*$/.test(input)) return "uppercase";
  const words = input.split(/\s+/);
  if (words.length > 1 && words.every((word) => isPascalCase(word))) {
    return "titlecase";
  }
  if (words.length > 1 && (/^[0-9]+$/.test(words[0]) && isPascalCase(words[1]))) {
    return "titlecase";
  }
  if (words.length > 1 && isPascalCase(words[0])) {
    return "sentencecase";
  }
  if (isPascalCase(input)) return "pascalcase";
  if (/^(?:[0-9]+\s+)?(?:[A-Z]\w*\s+)+$/.test(input)) return "titlecase";
  if (/^([a-z][a-z0-9]*[A-Z]+[a-z0-9]*)+$/.test(input)) return "camelcase";
  if (/[.!?;:,](?!(?:\s|$))/.test(input)) return "unknown";
  return "mixedcase";
}, "detectCase");
var index_default = detectCase;
export {
  WORD_SPLIT_REGEX,
  WORD_SPLIT_REGEX_STRICT,
  index_default as default,
  detectCase,
  splitString
};
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