getProjectConfig()

in functions/src/project.ts [131:216]
68 lines of code
8 McCabe index (conditional complexity)

  getProjectConfig(id: string) {
    const idParsed = Util.parseProjectId(id);

    return this.github
      .hasProjectConfig(id)
      .then((exists: boolean) => {
        if (exists) {
          // Config exists, fetch and parse it
          return this.github.getProjectConfig(id).then(data => {
            // Parse and remove comments
            const contents = data.toString();
            return cjson.parse(contents, null, true);
          });
        } else {
          // If the project has no config, make one up
          Logger.debug(id, "WARN: Using default config.");
          return this.github
            .getRepoReadmeFile(idParsed.owner, idParsed.repo)
            .then((readme: string) => {
              Logger.debug(id, `README: ${readme}`);
              return {
                name: idParsed.repo,
                type: "library",
                content: readme
              };
            });
        }
      })
      .then(config => {
        // Add inferred platforms
        if (!config.platforms) {
          config.platforms = this.inferPlatforms(id);
        }

        // Consult the feature blacklist
        if (Config.FEATURED_BLACKLIST_PROJECTS.indexOf(id) >= 0) {
          config.blacklist = true;
        } else {
          config.blacklist = false;
        }

        // Normalize the formatting of "pages"
        if (config.pages) {
          const normalizedPages: PageConfig[] = [];

          if (Array.isArray(config.pages)) {
            // In v0 pages was just an array of paths
            for (const path of config.pages) {
              normalizedPages.push({
                path
              });
            }
          } else {
            // In v1 it is a map of { path: title }
            Object.keys(config.pages).forEach((path: string) => {
              const name = config.pages[path];
              normalizedPages.push({
                name,
                path
              });
            });
          }

          config.pages = normalizedPages;
        }

        // Merge the config with repo metadata like stars
        // and updated time.
        return this.github
          .getRepoMetadata(idParsed.owner, idParsed.repo)
          .then(meta => {
            if (meta.description) {
              config.description = meta.description;
            }

            config.fork = meta.fork;
            config.stars = meta.stars;
            config.last_updated = meta.last_updated;

            return config;
          });
      })
      .then(config => {
        return this.sanitizeForStorage(config);
      });
  }