Function resolve

lib/internal/test_runner/mock/loader.js:18–43

(specifier, context, nextResolve)

const mocks = new SafeMap();

function resolve(specifier, context, nextResolve) {
  debug('resolve hook entry, specifier = "%s", context = %o', specifier, context);

  const nextResolveResult = nextResolve(specifier, context);
  const mockSpecifier = nextResolveResult.url;

  const mock = mocks.get(mockSpecifier);
  debug('resolve hook, specifier = "%s", mock = %o', specifier, mock);

  if (mock?.active !== true) {
    return nextResolveResult;
  }

  const url = new URL(mockSpecifier);
  url.searchParams.set(kMockSearchParam, mock.localVersion);

  if (!mock.cache) {
    // With ESM, we can't remove modules from the cache. Bump the module's
    // version instead so that the next import will be uncached.
    mock.localVersion++;
  }

  const { href } = url;
  debug('resolve hook finished, url = "%s"', href);
  return { __proto__: null, url: href, format: nextResolveResult.format };
}

function load(url, context, nextLoad) {
  debug('load hook entry, url = "%s", context = %o', url, context);