Method resolveToResolution

src/package-resolver.js:623–650

(req: DependencyRequestPattern)

  }

  resolveToResolution(req: DependencyRequestPattern): ?DependencyRequestPattern {
    const {parentNames, pattern} = req;

    if (!parentNames || this.flat) {
      return req;
    }

    const resolution = this.resolutionMap.find(pattern, parentNames);

    if (resolution) {
      const resolutionManifest = this.getResolvedPattern(resolution);

      if (resolutionManifest) {
        invariant(resolutionManifest._reference, 'resolutions should have a resolved reference');
        resolutionManifest._reference.patterns.push(pattern);
        this.addPattern(pattern, resolutionManifest);
        const lockManifest: ?LockManifest = this.lockfile.getLocked(pattern);
        if (shouldUpdateLockfile(lockManifest, resolutionManifest._reference)) {
          this.lockfile.removePattern(pattern);
        }
      } else {
        this.resolutionMap.addToDelayQueue(req);
      }
      return null;
    }

    return req;
  }
}