From baafe94821deda8af42594e148b5a389332863ed Mon Sep 17 00:00:00 2001
From: Trivikram Kamat <16024985+trivikr@users.noreply.github.com>
Date: Wed, 2 Mar 2022 10:35:40 -0800
Subject: [PATCH] Write a basic wrapper over jscodeshift (#4)

---
 .changeset/tall-games-knock.md |  5 +++++
 LICENSE                        | 21 ---------------------
 package.json                   |  4 +++-
 src/__tests__/cli.spec.ts      | 34 ++++++++++++++++++++++++++++++++++
 src/cli.ts                     | 21 +++++++++++++++++++++
 src/index.spec.ts              |  5 -----
 src/index.ts                   |  1 -
 tsconfig.json                  |  1 +
 yarn.lock                      |  2 ++
 9 files changed, 66 insertions(+), 28 deletions(-)
 create mode 100644 .changeset/tall-games-knock.md
 delete mode 100644 LICENSE
 create mode 100644 src/__tests__/cli.spec.ts
 create mode 100755 src/cli.ts
 delete mode 100644 src/index.spec.ts
 delete mode 100644 src/index.ts

diff --git a/.changeset/tall-games-knock.md b/.changeset/tall-games-knock.md
new file mode 100644
index 000000000..03e7e63e9
--- /dev/null
+++ b/.changeset/tall-games-knock.md
@@ -0,0 +1,5 @@
+---
+"aws-sdk-js-codemod": patch
+---
+
+Add a basic wrapper over jscodeshift
diff --git a/LICENSE b/LICENSE
deleted file mode 100644
index 81d37a79d..000000000
--- a/LICENSE
+++ /dev/null
@@ -1,21 +0,0 @@
-MIT License
-
-Copyright (c) 2022 Trivikram Kamat
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
diff --git a/package.json b/package.json
index 87426c52d..06f279950 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,9 @@
   "files": [
     "dist"
   ],
-  "main": "dist/index.js",
+  "main": "dist/cli.js",
+  "types": "dist/cli.d.ts",
+  "bin": "dist/cli.js",
   "repository": {
     "type": "git",
     "url": "https://github.com/trivikr/aws-sdk-js-codemod.git"
diff --git a/src/__tests__/cli.spec.ts b/src/__tests__/cli.spec.ts
new file mode 100644
index 000000000..b0436c57e
--- /dev/null
+++ b/src/__tests__/cli.spec.ts
@@ -0,0 +1,34 @@
+import { spawn } from "child_process";
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: package.json will be imported from dist folders
+import { version } from "../../package.json"; // eslint-disable-line
+import { run } from "../cli";
+
+jest.mock("child_process");
+
+describe("cli", () => {
+  const jscodeshiftPath = "./node_modules/.bin/jscodeshift";
+
+  afterEach(() => {
+    jest.clearAllMocks();
+  });
+
+  it("should print aws-sdk-js-codemod version", async () => {
+    jest.spyOn(process.stdout, "write");
+
+    const mockArgs = ["--version"];
+    await run(mockArgs);
+
+    expect(process.stdout.write).toHaveBeenCalledWith(
+      expect.stringMatching(`aws-sdk-js-codemod: ${version}`)
+    );
+    expect(spawn).toHaveBeenCalledWith(jscodeshiftPath, mockArgs, { stdio: "inherit" });
+  });
+
+  it("should pass args to jscodeshift", async () => {
+    const mockArgs = ["random", "args", "one", "two", "three"];
+    await run(mockArgs);
+    expect(spawn).toHaveBeenCalledWith(jscodeshiftPath, mockArgs, { stdio: "inherit" });
+  });
+});
diff --git a/src/cli.ts b/src/cli.ts
new file mode 100755
index 000000000..50e9abefc
--- /dev/null
+++ b/src/cli.ts
@@ -0,0 +1,21 @@
+#!/usr/bin/env node
+
+import { spawn } from "child_process";
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: package.json will be imported from dist folders
+import { version } from "../package.json"; // eslint-disable-line
+
+const [, , ...args] = process.argv;
+const jscodeshiftPath = "./node_modules/.bin/jscodeshift";
+
+export const run = async (args): Promise<void> => {
+  if (args[0] === "--version") {
+    process.stdout.write(`aws-sdk-js-codemod: ${version}\n\n`);
+    spawn(jscodeshiftPath, ["--version"], { stdio: "inherit" });
+  } else {
+    spawn(jscodeshiftPath, args, { stdio: "inherit" });
+  }
+};
+
+run(args);
diff --git a/src/index.spec.ts b/src/index.spec.ts
deleted file mode 100644
index 1c57ba8b6..000000000
--- a/src/index.spec.ts
+++ /dev/null
@@ -1,5 +0,0 @@
-import { answer } from "./index";
-
-it("answer is 42", () => {
-  expect(answer).toBe(42);
-});
diff --git a/src/index.ts b/src/index.ts
deleted file mode 100644
index 64a32fd29..000000000
--- a/src/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-export const answer = 42;
diff --git a/tsconfig.json b/tsconfig.json
index 21a4873c0..a787b099e 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -4,6 +4,7 @@
     "declaration": true,
     "esModuleInterop": true,
     "outDir": "dist",
+    "resolveJsonModule": true,
     "rootDir": "src"
   },
   "exclude": ["**/dist/**", "**/__tests__/**", "**/__testfixtures__/**"]
diff --git a/yarn.lock b/yarn.lock
index d54e4edd7..6c0b4316d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1835,6 +1835,8 @@ __metadata:
     simple-git-hooks: 2.7.0
     ts-jest: 27.1.3
     typescript: 4.5.5
+  bin:
+    aws-sdk-js-codemod: dist/cli.js
   languageName: unknown
   linkType: soft