fix(cli): resolve dependency issues for npx usage (#52)

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: jheddings

cli/package-lock.json

@@ -33,7 +33,6 @@
   "dependencies": {
     "@oclif/core": "4.10.4",
     "chalk": "^5.6.2",
-    "jiti": "^2.6.1",
     "jszip": "^3.10.1"
   },
   "devDependencies": {

cli/package.json

@@ -1,4 +1,5 @@
 import chalk from 'chalk';
+import { spawn } from 'node:child_process';
 import * as fs from 'node:fs';
 import * as path from 'node:path';
 import { fileURLToPath } from 'node:url';
@@ -16,6 +17,26 @@ function getSdkVersion(): string {
   return pkg.version;
 }
 
+export function runNpmInstall(cwd: string): Promise<void> {
+  return new Promise((resolve, reject) => {
+    const child = spawn('npm', ['install'], {
+      cwd,
+      stdio: 'inherit',
+      shell: true,
+    });
+    child.on('error', (err) => {
+      reject(new Error(`Failed to start npm install: ${err.message}`));
+    });
+    child.on('close', (code) => {
+      if (code === 0) {
+        resolve();
+      } else {
+        reject(new Error(`npm install failed with exit code ${code}`));
+      }
+    });
+  });
+}
+
 export default class InitCommand extends EverywhereBaseCommand {
   static description = 'Scaffold a stub Workday Everywhere plugin in an existing npm project.';
 
@@ -110,7 +131,8 @@ export default class InitCommand extends EverywhereBaseCommand {
     fs.writeFileSync(tsxPath, renderStub(pkg.name));
     this.log(chalk.green('Created plugin.tsx'));
 
-    // Next-steps hint
-    this.log('Run `npm install` to install dependencies.');
+    // Run npm install
+    this.log('Installing dependencies...');
+    await runNpmInstall(pluginDir);
   }
 }

cli/src/commands/everywhere/init.ts

@@ -1,4 +1,4 @@
-import { describe, it, expect } from 'vitest';
+import { describe, it, expect, vi, beforeEach } from 'vitest';
 import InitCommand from '../../../src/commands/everywhere/init.js';
 import EverywhereBaseCommand from '../../../src/commands/everywhere/base.js';
 
@@ -25,3 +25,58 @@ describe('everywhere init', () => {
     });
   });
 });
+
+describe('runNpmInstall', () => {
+  beforeEach(() => {
+    vi.resetModules();
+  });
+
+  describe('when npm install succeeds', () => {
+    it('resolves the promise', async () => {
+      const mockOn = vi.fn().mockImplementation((event, cb) => {
+        if (event === 'close') cb(0);
+      });
+      const mockSpawn = vi.fn().mockReturnValue({ on: mockOn });
+
+      vi.doMock('node:child_process', () => ({ spawn: mockSpawn }));
+
+      const { runNpmInstall } = await import('../../../src/commands/everywhere/init.js');
+
+      await expect(runNpmInstall('/fake/dir')).resolves.toBeUndefined();
+    });
+  });
+
+  describe('when npm install fails', () => {
+    it('rejects with the exit code in the error message', async () => {
+      const mockOn = vi.fn().mockImplementation((event, cb) => {
+        if (event === 'close') cb(1);
+      });
+      const mockSpawn = vi.fn().mockReturnValue({ on: mockOn });
+
+      vi.doMock('node:child_process', () => ({ spawn: mockSpawn }));
+
+      const { runNpmInstall } = await import('../../../src/commands/everywhere/init.js');
+
+      await expect(runNpmInstall('/fake/dir')).rejects.toThrow(
+        'npm install failed with exit code 1'
+      );
+    });
+  });
+
+  describe('when spawn emits an error', () => {
+    it('rejects with the error message', async () => {
+      const mockOn = vi.fn().mockImplementation((event, cb) => {
+        if (event === 'error') cb(new Error('spawn ENOENT'));
+      });
+      const mockSpawn = vi.fn().mockReturnValue({ on: mockOn });
+
+      vi.doMock('node:child_process', () => ({ spawn: mockSpawn }));
+
+      const { runNpmInstall } = await import('../../../src/commands/everywhere/init.js');
+
+      await expect(runNpmInstall('/fake/dir')).rejects.toThrow(
+        'Failed to start npm install: spawn ENOENT'
+      );
+    });
+  });
+});

cli/tests/commands/everywhere/init.test.ts

@@ -56,6 +56,7 @@
   },
   "dependencies": {
     "@oclif/core": "4.10.5",
+    "chalk": "^5.6.2",
     "esbuild": "^0.28",
     "jszip": "^3.10.1",
     "vite": "^8"