Point to docs when package.json exists

Author: seancdavis

README.md

@@ -1,3 +1,3 @@
 # create-stackbit-app
 
-Run `npx create-stackbit-app` in your terminal and follow the prompts to create a new Stackbit application or add Stackbit into an existing site.
+Run `npx create-stackbit-app` in your terminal to create a new Stackbit application or add Stackbit into an existing site.

index.js

@@ -1,45 +1,49 @@
 #!/usr/bin/env node
 
-import readline from "readline";
+import chalk from "chalk";
 import { exec } from "child_process";
+import fs from "fs";
+import path from "path";
+import readline from "readline";
 import util from "util";
-import chalk from "chalk";
+import yargs from "yargs";
+import { hideBin } from "yargs/helpers";
 
 /* --- Helpers --- */
 
+const run = util.promisify(exec);
+
 const rl = readline.createInterface({
   input: process.stdin,
   output: process.stdout,
 });
 
 function prompt(question, defaultAnswer) {
   return new Promise((resolve) => {
-    const questionText = `${chalk.bold(question)} (${defaultAnswer}): `;
-    rl.question(questionText, (input) => resolve(input || defaultAnswer));
+    rl.question(question, (input) => resolve(input || defaultAnswer));
   });
 }
 
-const run = util.promisify(exec);
+/* --- Parse CLI Arguments */
 
-/* --- User Input --- */
+const args = yargs(hideBin(process.argv)).parse();
 
-const projectName = await prompt("Project Name", "my-stackbit-site");
-const repoName = await prompt("GitHub Repo", "stackbit/nextjs-starter");
+/* --- New Project --- */
 
-/* --- Run --- */
+async function cloneStarter() {
+  // Clone repo
+  const projectName = args._[0] ?? "my-stackbit-site";
+  const repoUrl = `https://github.com/stackbit/nextjs-starter`;
+  const cloneCommand = `git clone --depth=1 ${repoUrl} ${projectName}`;
+  console.log(`\nCloning into ${projectName} ...`);
+  await run(cloneCommand);
 
-// Clone repo
-const repoUrl = `https://github.com/${repoName}`;
-const cloneCommand = `git clone --depth=1 ${repoUrl} ${projectName}`;
-console.log(`\nCloning into ${projectName} ...`);
-await run(cloneCommand);
+  // Install dependencies
+  console.log(`Installing dependencies ...`);
+  await run(`cd ${projectName} && npm install`);
 
-// Install dependencies
-console.log(`Installing dependencies ...`);
-await run(`cd ${projectName} && npm install`);
-
-// Output next steps:
-console.log(`
+  // Output next steps:
+  console.log(`
 🎉 ${chalk.bold("Welcome to Stackbit!")} 🎉
 
 Run the following commands:
@@ -48,11 +52,36 @@ Run the following commands:
   npm run dev
 
 When your dev server boots, you'll see an ${chalk.bgYellow.black.bold(
-  " app.stackbit.com "
-)} URL in the logs.
+    " app.stackbit.com "
+  )} URL in the logs.
 Open this URL in your browser and start building!
+  `);
+}
+
+/* --- Existing Project --- */
+
+async function integrateStackbit() {
+  return new Promise(async (resolve) => {
+    const integrate = await prompt(`
+  This looks like an existing project.
+  ${chalk.bold("Would you like to install Stackbit in this project?")} [Y/n] `);
+
+    if (!["yes", "y"].includes(integrate?.toLowerCase())) return resolve(false);
+
+    console.log(`
+Visit the following URL to learn more about the integration process:
+
+    https://docs.stackbit.com/how-to-guides/site-management/integrate-stackbit/
 `);
+    return resolve(true);
+  });
+}
+
+/* --- Run --- */
 
-/* --- Clean Up --- */
+const packageJsonFilePath = path.join(process.cwd(), "package.json");
+const hasPackageJson = fs.existsSync(packageJsonFilePath);
+const runFunc = hasPackageJson ? integrateStackbit : cloneStarter;
+await runFunc();
 
 rl.close();