Method getPackageManagerSpecFor

sources/Engine.ts:116–143

(locator: Locator)

  }

  getPackageManagerSpecFor(locator: Locator): PackageManagerSpec {
    if (!corepackUtils.isSupportedPackageManagerLocator(locator)) {
      const url = `${locator.reference}`;
      return {
        url,
        bin: undefined as any, // bin will be set later
        registry: {
          type: `url`,
          url,
          fields: {
            tags: ``,
            versions: ``,
          },
        },
      };
    }

    const definition = this.config.definitions[locator.name as SupportedPackageManagers];
    if (typeof definition === `undefined`)
      throw new UsageError(`This package manager (${locator.name}) isn't supported by this corepack build`);

    const ranges = Object.keys(definition.ranges).reverse();
    const range = ranges.find(range => semverUtils.satisfiesWithPrereleases(locator.reference, range));
    if (typeof range === `undefined`)
      throw new Error(`Assertion failed: Specified resolution (${locator.reference}) isn't supported by any of ${ranges.join(`, `)}`);

    return definition.ranges[range];
  }

  getBinariesFor(name: SupportedPackageManagers) {
    const binNames = new Set<string>();