async getAddonMetadata()

in src/linter.js [279:321]
42 lines of code
4 McCabe index (conditional complexity)

  async getAddonMetadata({
    _log = log,
    ManifestJSONParser = DefaultManifestJSONParser,
  } = {}) {
    if (this.addonMetadata !== null) {
      _log.debug('Metadata already set; returning cached metadata.');
      return this.addonMetadata;
    }
    const files = await this.io.getFiles();
    if (Object.prototype.hasOwnProperty.call(files, constants.MANIFEST_JSON)) {
      _log.info('Retrieving metadata from manifest.json');
      const json = await this.io.getFileAsString(constants.MANIFEST_JSON);
      const manifestParser = new ManifestJSONParser(json, this.collector, {
        io: this.io,
        isAlreadySigned: Object.keys(files).some((filename) =>
          constants.ALREADY_SIGNED_REGEX.test(filename)
        ),
        isEnterprise: this.config.enterprise,
        selfHosted: this.config.selfHosted,
        schemaValidatorOptions: {
          privileged: this.config.privileged,
          minManifestVersion: this.config.minManifestVersion,
          maxManifestVersion: this.config.maxManifestVersion,
          enableBackgroundServiceWorker:
            this.config.enableBackgroundServiceWorker,
        },
      });
      await manifestParser.validateIcons();
      if (manifestParser.isStaticTheme) {
        await manifestParser.validateStaticThemeImages();
      }

      this.addonMetadata = manifestParser.getMetadata();
    } else {
      _log.warn(
        `No ${constants.MANIFEST_JSON} was found in the package metadata`
      );
      this.collector.addError(messages.TYPE_NO_MANIFEST_JSON);
      this.addonMetadata = {};
    }
    this.addonMetadata.totalScannedFileSize = 0;
    return this.addonMetadata;
  }