feat: add topics command for listing customer topics

Author: joakimen

src/cli/commands/topics.ts

@@ -0,0 +1,42 @@
+import type { CommandModule } from "yargs"
+import { createGitHubService } from "../../github"
+import { createCacheProvider, createConfig, createReporter } from "../util"
+
+const command: CommandModule = {
+  command: "topics",
+  describe: "List customer topics in a GitHub organization",
+  builder: (yargs) =>
+    yargs.options("org", {
+      alias: "o",
+      default: "capralifecycle",
+      requiresArg: true,
+      describe: "GitHub organization",
+      type: "string",
+    }),
+  handler: async (argv) => {
+    const config = createConfig()
+    const reporter = createReporter()
+    const github = await createGitHubService({
+      cache: createCacheProvider(config, argv),
+    })
+
+    const repos = await github.getOrgRepoList({ org: argv.org as string })
+
+    const topics = new Set<string>()
+    for (const repo of repos) {
+      for (const edge of repo.repositoryTopics.edges) {
+        const name = edge.node.topic.name
+        if (name.startsWith("customer-")) {
+          topics.add(name)
+        }
+      }
+    }
+
+    const sorted = [...topics].sort((a, b) => a.localeCompare(b))
+    for (const topic of sorted) {
+      reporter.log(topic)
+    }
+  },
+}
+
+export default command

src/cli/index.ts

@@ -7,6 +7,7 @@ import clone from "./commands/clone"
 import groups from "./commands/groups"
 import repos from "./commands/repos"
 import sync from "./commands/sync"
+import topics from "./commands/topics"
 
 declare const BUILD_TIMESTAMP: string
 
@@ -52,6 +53,7 @@ Before using, authenticate with: cals auth`)
     .command(groups)
     .command(repos)
     .command(sync)
+    .command(topics)
     .version(version)
     .demandCommand()
     .option("no-cache", {
@@ -61,6 +63,7 @@ Before using, authenticate with: cals auth`)
     .example("cals auth", "Set GitHub token")
     .example("cals repos", "List repositories")
     .example("cals groups", "List repository groups")
+    .example("cals topics", "List customer topics")
     .example("cals clone --all | bash", "Clone all repos")
     .example("cals sync", "Pull latest changes")
     .parse()