From f345194c3bb8844dff2b0232da4b59c34c60e0a9 Mon Sep 17 00:00:00 2001
From: Viacheslav Turovskyi <aeworxet@protonmail.com>
Date: Mon, 29 May 2023 15:31:20 +0300
Subject: [PATCH] feat: add `versions` to output versions of AsyncAPI tools
 used (#361) (#555)

---
 src/commands/config/versions.ts       | 56 +++++++++++++++++++++++++++
 test/commands/config/versions.test.ts | 27 +++++++++++++
 2 files changed, 83 insertions(+)
 create mode 100644 src/commands/config/versions.ts
 create mode 100644 test/commands/config/versions.test.ts

diff --git a/src/commands/config/versions.ts b/src/commands/config/versions.ts
new file mode 100644
index 00000000000..76ce1953328
--- /dev/null
+++ b/src/commands/config/versions.ts
@@ -0,0 +1,56 @@
+import { Flags } from '@oclif/core';
+import Command from '../../base';
+
+export default class Versions extends Command {
+  static description = 'Show versions of AsyncAPI tools used';
+
+  static flags = {
+    help: Flags.help({ char: 'h' }),
+  };
+
+  async run() {
+    const dependencies: string[] = [];
+    let dependency = '';
+
+    // Preparation of the array with all dependencies '@asyncapi/*' along with
+    // their versions.
+    for (const key in this.config.pjson.dependencies) {
+      // Making sure with .indexOf() that only package names which START with
+      // string '@asyncapi' are considered.
+      if (key.indexOf('@asyncapi', 0) === 0) {
+        // Avoiding obvious crash on manual removal or alteration of an
+        // '@asyncapi' package.
+        try {
+          // Goofy name `importedPJSON` is chosen to distinguish from name `pjson`
+          // used in `@oclif` source code.
+          const importedPJSON = await import(`${key}/package.json`);
+          dependencies.push(`${key}/${importedPJSON.default.version}`);
+        } catch (e) {
+          dependencies.push(`${key}/` + '`package.json` not found');
+        }
+      }
+    }
+
+    // Showing information available with `--version` flag.
+    this.log(this.config.userAgent);
+
+    // Iteration through the array containing all dependencies '@asyncapi/*'
+    // along with their versions.
+    for (let i = 0; i < dependencies.length; i++) {
+      // Minimization of the theoretical possibility of a Generic Object
+      // Injection Sink, at the same time disabling eslint parsing for this
+      // line since it is actually a false positive.
+      // https://github.com/eslint-community/eslint-plugin-security/issues/21#issuecomment-530184612
+      // https://github.com/eslint-community/eslint-plugin-security/issues/21#issuecomment-1157887653
+      // https://web.archive.org/web/20150430062816/https://blog.liftsecurity.io/2015/01/15/the-dangers-of-square-bracket-notation
+      dependency = dependencies[i]; // eslint-disable-line
+      if (i !== dependencies.length - 1) {
+        this.log(`  ├${dependency}`);
+      } else {
+        this.log(`  └${dependency}\n`);
+      }
+    }
+
+    this.log(`Repository: ${this.config.pjson.homepage}`);
+  }
+}
diff --git a/test/commands/config/versions.test.ts b/test/commands/config/versions.test.ts
new file mode 100644
index 00000000000..cf385a4a75e
--- /dev/null
+++ b/test/commands/config/versions.test.ts
@@ -0,0 +1,27 @@
+import { test } from '@oclif/test';
+
+describe('versions', () => {
+  describe('config:versions', () => {
+    test
+      .stderr()
+      .stdout()
+      .command(['config:versions'])
+      .it('should show versions of AsyncAPI tools used', (ctx, done) => {
+        expect(ctx.stdout).toContain('@asyncapi/cli/');
+        expect(ctx.stdout).toContain('├@asyncapi/');
+        expect(ctx.stdout).toContain('└@asyncapi/');
+        expect(ctx.stderr).toEqual('');
+        done();
+      });
+
+    test
+      .stderr()
+      .stdout()
+      .command(['config:versions'])
+      .it('should show address of repository of AsyncAPI CLI', (ctx, done) => {
+        expect(ctx.stdout).toContain('https://github.com/asyncapi/cli');
+        expect(ctx.stderr).toEqual('');
+        done();
+      });
+  });
+});