Function patternKeyCompare

lib/internal/modules/esm/resolve.js:673–685

* Compares two strings that may contain a wildcard character ('*') and returns a value indicating their order. * @param {string} a - The first string to compare. * @param {string} b - The second string to compare. * @returns {number} - A negative number if `a` should come before `b`, a positive n

(a, b)

 *   or 0 if they are equal.
 */
function patternKeyCompare(a, b) {
  const aPatternIndex = StringPrototypeIndexOf(a, '*');
  const bPatternIndex = StringPrototypeIndexOf(b, '*');
  const baseLenA = aPatternIndex === -1 ? a.length : aPatternIndex + 1;
  const baseLenB = bPatternIndex === -1 ? b.length : bPatternIndex + 1;
  if (baseLenA > baseLenB) { return -1; }
  if (baseLenB > baseLenA) { return 1; }
  if (aPatternIndex === -1) { return 1; }
  if (bPatternIndex === -1) { return -1; }
  if (a.length > b.length) { return -1; }
  if (b.length > a.length) { return 1; }
  return 0;
}

/**
 * Resolves the given import name for a package.