fix: create project cross-platform compatibility, properly remove git…

… folder (#67)

src/commands/create/create.ts

@@ -1,10 +1,14 @@
+import chalk from "chalk";
 import { Option } from "commander";
+import fs from "fs";
 import inquirer from "inquirer";
 import path from "path";
 
 import Program from "./command.js";
 import { zeekOption } from "../../common/options.js";
 import { track } from "../../utils/analytics.js";
+import { fileOrDirExists } from "../../utils/files.js";
+import { cloneRepo } from "../../utils/git.js";
 import { optionNameToParam, executeCommand } from "../../utils/helpers.js";
 import Logger from "../../utils/logger.js";
 import zeek from "../../utils/zeek.js";
@@ -41,6 +45,11 @@ export const handler = async (folderName: string, options: CreateOptions) => {
     };
     Logger.debug(`Initial create project options: ${JSON.stringify(options, null, 2)}`);
 
+    const folderLocation = path.join(process.cwd(), options.folderName!);
+    if (fileOrDirExists(folderLocation)) {
+      throw new Error(`Folder at ${folderLocation} already exists. Try a different project name or remove the folder.`);
+    }
+
     const answers: CreateOptions = await inquirer.prompt(
       [
         {
@@ -63,24 +72,43 @@ export const handler = async (folderName: string, options: CreateOptions) => {
 
     const template = templates.find((e) => e.value === options.template)!;
 
-    Logger.info(`\nCreating new project from "${template.name}" template at "${path.join(options.folderName!, "/")}"`);
-    await executeCommand(`git clone ${template.git} ${options.folderName}`);
-    await executeCommand(`cd ${options.folderName} && rm -rf -r .git`); // removes .git folder so new repo can be initialized
-
-    Logger.info("\nInstalling dependencies with yarn...");
-    await executeCommand(`cd ${options.folderName} && yarn`);
+    Logger.info(`\nCreating new project from "${template.name}" template at "${folderLocation}"`);
+    await cloneRepo(template.git, folderLocation);
+    try {
+      fs.rmdirSync(path.join(folderLocation, ".git"), { recursive: true });
+    } catch {
+      Logger.warn("Failed to remove .git folder. Make sure to remove it manually before pushing to a new repo.");
+    }
 
-    Logger.info(`\nAll ready 🎉🎉 
+    const isYarnInstalled = await executeCommand("yarn --version", { silent: true })
+      .then(() => true)
+      .catch(() => false);
+
+    if (isYarnInstalled) {
+      Logger.info("\nInstalling dependencies with yarn...");
+      await executeCommand("yarn", { cwd: folderLocation });
+    } else {
+      Logger.warn("\nYarn is not installed. Install by running: `npm install -g yarn`");
+      Logger.warn(
+        `\nAfter installing Yarn, make sure to install dependencies by running: \`cd ${options.folderName} && yarn\``
+      );
+    }
 
-Run cd ${options.folderName} to enter your project folder.
+    Logger.info(`\n${chalk.green("🎉 All set up! 🎉")}
+    
+${chalk.magentaBright("Navigate to your project:")} cd ${options.folderName}
 
-Contracts are stored in the /contracts folder.
-Deployment scripts go in the /deploy folder.
+${chalk.magentaBright("Directory Overview:")}
+- Contracts: ${path.join(folderName, "/contracts")}
+- Deployment Scripts: ${path.join(folderName, "/deploy")}
 
-- "yarn hardhat compile" to compile your contracts.
-- "yarn hardhat deploy-zksync" to deploy your contract (this command accepts a --script option).
+${chalk.magentaBright("Commands:")}
+- Compile your contracts: \`yarn hardhat compile\`
+- Deploy your contract: \`yarn hardhat deploy-zksync\` 
+  - Note: You can use the \`--script\` option with this command.
 
-Read the ${path.join(options.folderName!, "README.md")} file to learn more.
+${chalk.magentaBright("Further Reading:")}
+Check out the README file for more details: ${path.join(folderLocation, "README.md")}
 `);
 
     track("create", { template: options.template, zeek: options.zeek });