Function emitTrailingSlashPatternDeprecation

lib/internal/modules/esm/resolve.js:69–84

* Emits a deprecation warning for the use of a deprecated trailing slash pattern mapping in the "exports" field * module resolution of a package. * @param {string} match - The deprecated trailing slash pattern mapping. * @param {string} pjsonUrl - The URL of the package.json file. * @param {stri

(match, pjsonUrl, base)

 * @param {string} base - The URL of the module that imported the package.
 */
function emitTrailingSlashPatternDeprecation(match, pjsonUrl, base) {
  if (process.noDeprecation) {
    return;
  }
  const pjsonPath = fileURLToPath(pjsonUrl);
  if (emittedPackageWarnings.has(pjsonPath + '|' + match)) { return; }
  emittedPackageWarnings.add(pjsonPath + '|' + match);
  process.emitWarning(
    `Use of deprecated trailing slash pattern mapping "${match}" in the ` +
    `"exports" field module resolution of the package at ${pjsonPath}${
      base ? ` imported from ${fileURLToPath(base)}` :
        ''}. Mapping specifiers ending in "/" is no longer supported.`,
    'DeprecationWarning',
    'DEP0155',
  );
}

const doubleSlashRegEx = /[/\\][/\\]/;