feat: initial implementation

.github/workflows/check.yml

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+on: push
+jobs:
+  check-yarn:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: "16.x"
+          registry-url: "https://registry.npmjs.org"
+      - run: yarn install
+      - run: |
+          git config --global user.email "test@test.com"
+          git config --global user.name "CI Test"
+      - run: yarn test:yarn
+  check-npm:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: "16.x"
+          registry-url: "https://registry.npmjs.org"
+      - run: yarn install
+      - run: |
+          git config --global user.email "test@test.com"
+          git config --global user.name "CI Test"
+      - run: yarn test:npm

.github/workflows/release.yml

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+on:
+  push:
+    branches:
+      - main
+      - dev
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: "16.x"
+          registry-url: "https://registry.npmjs.org"
+      - run: yarn install
+      - run: npx semantic-release
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.gitignore

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+node_modules/
+dist/

bin/test-npm.sh

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+#!/usr/bin/env bash
+
+set -ue pipefail
+
+ORIGINAL_DIRECTORY="$(pwd)"
+PACKAGE_NAME="create-functionless"
+PACKED_NAME="${PACKAGE_NAME}.tgz"
+TEST_PROJECT="test-project"
+
+function cleanup() {
+  cd $ORIGINAL_DIRECTORY
+  yarn global remove create-functionless || true
+  rm -fr ${PACKED_NAME} || true
+  rm -fr ${TEST_PROJECT} || true
+}
+
+trap cleanup EXIT
+
+npm run release
+npm pack
+mv ${PACKAGE_NAME}*.tgz ${PACKED_NAME}
+npm i -g ${PACKED_NAME}
+
+# Use the create script to create a new project
+create-functionless ${TEST_PROJECT}
+cd ${TEST_PROJECT}
+
+# Verify new project can synth
+npm run synth

bin/test-yarn.sh

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+#!/usr/bin/env bash
+
+set -ue pipefail
+
+ORIGINAL_DIRECTORY="$(pwd)"
+PACKAGE_NAME="create-functionless"
+PACKED_NAME="${PACKAGE_NAME}.tgz"
+TEST_PROJECT="test-project"
+
+function cleanup() {
+  cd $ORIGINAL_DIRECTORY
+  yarn global remove create-functionless || true
+  rm -fr ${PACKED_NAME} || true
+  rm -fr ${TEST_PROJECT} || true
+}
+
+trap cleanup EXIT
+
+# Clean up installs of create-functionless if they exist
+yarn cache clean
+
+yarn run release
+yarn pack -f ${PACKED_NAME}
+yarn global add --skip-integrity-check --offline "file:$(pwd)/${PACKED_NAME}"
+
+# Use the create script to create a new project
+yarn create --offline functionless ${TEST_PROJECT}
+cd ${TEST_PROJECT}
+
+# Verify new project can synth
+yarn synth

package.json

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+{
+  "name": "create-functionless",
+  "version": "0.1.0",
+  "description": "Create a Functionless CDK app.",
+  "files": [
+    "dist",
+    "templates/**/*"
+  ],
+  "bin": {
+    "create-functionless": "./dist/index.js"
+  },
+  "scripts": {
+    "test:npm": "./bin/test-npm.sh",
+    "test:yarn": "./bin/test-yarn.sh",
+    "prerelease": "rimraf ./dist/",
+    "release": "esbuild --bundle src/index.ts --outfile=dist/index.js --platform=node",
+    "prepublishOnly": "npm run release"
+  },
+  "keywords": [
+    "functionless"
+  ],
+  "author": "Functionless",
+  "license": "Apache-2.0",
+  "devDependencies": {
+    "@types/cross-spawn": "^6.0.2",
+    "@types/mustache": "^4.2.1",
+    "@types/node": "^18.7.14",
+    "@types/prompts": "^2.0.14",
+    "@types/validate-npm-package-name": "^4.0.0",
+    "aws-cdk-lib": "^2.40.0",
+    "chalk": "^5.0.1",
+    "commander": "^9.4.0",
+    "cross-spawn": "^7.0.3",
+    "esbuild": "^0.15.6",
+    "functionless": "^0.22.6",
+    "mustache": "^4.2.0",
+    "prompts": "^2.4.2",
+    "rimraf": "^3.0.2",
+    "semantic-release": "^19.0.5",
+    "typescript": "^4.8.2",
+    "validate-npm-package-name": "^4.0.0"
+  },
+  "release": {
+    "branches": [
+      "main",
+      {
+        "name": "dev",
+        "prerelease": true
+      }
+    ]
+  }
+}

src/index.ts

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+#!/usr/bin/env node
+import chalk from "chalk";
+import { Command } from "commander";
+import spawn from "cross-spawn";
+import fs from "fs";
+import mustache from "mustache";
+import path from "path";
+
+import packageJson from "../package.json";
+import {
+  askProjectName,
+  failOnError,
+  getPackageManager,
+  installPackages,
+} from "./util";
+
+const program = new Command();
+
+let projectName: string | undefined;
+
+program
+  .name(packageJson.name)
+  .version(packageJson.version)
+  .arguments("[projectName]")
+  .action((name) => {
+    if (typeof name === "string") {
+      projectName = name;
+    }
+  })
+  .parse(process.argv);
+
+run().catch((err) => {
+  console.error(err);
+  process.exit(1);
+});
+
+async function run() {
+  const packageMangager = getPackageManager();
+
+  const templateName = "default";
+  const templateRoot = path.join(__dirname, "..", "templates", templateName);
+  const templateManifestPath = path.join(templateRoot, "manifest.json");
+  const templateManifest: string[] = JSON.parse(
+    await fs.promises.readFile(templateManifestPath, "utf-8")
+  );
+
+  if (!projectName) {
+    projectName = await askProjectName();
+  }
+
+  console.log();
+  console.log(`Creating ${chalk.green(projectName)}...`);
+
+  const root = path.resolve(projectName);
+
+  try {
+    await fs.promises.mkdir(root);
+  } catch (err: any) {
+    if (err.code === "EEXIST") {
+      console.error(`${chalk.red(`Folder already exists: ${projectName}`)}`);
+    }
+    process.exit(1);
+  }
+
+  const renderTemplate = async (
+    localPath: string,
+    data: Record<string, unknown>
+  ) => {
+    const templateFilePath = path.join(templateRoot, localPath);
+    const templateContent = mustache.render(
+      await fs.promises.readFile(templateFilePath, "utf-8"),
+      data
+    );
+    // Npm won't include `.gitignore` files in a package.
+    // This allows you to add .template as a file ending
+    // and it will be removed when rendered in the end
+    // project.
+    const destinationPath = path.join(root, localPath.replace(".template", ""));
+    await fs.promises.mkdir(path.dirname(destinationPath), {
+      recursive: true,
+    });
+    await fs.promises.writeFile(destinationPath, templateContent);
+  };
+
+  const templateData = {
+    projectName,
+  };
+
+  await Promise.all(
+    templateManifest.map((path) => renderTemplate(path, templateData))
+  );
+
+  process.chdir(root);
+
+  console.log();
+  console.log("Installing packages...");
+  console.log();
+
+  const dependencies = [
+    "@aws-cdk/aws-appsync-alpha",
+    "@functionless/ast-reflection",
+    "@functionless/language-service",
+    "aws-cdk",
+    "aws-cdk-lib",
+    "aws-sdk",
+    "constructs",
+    "esbuild",
+    "functionless",
+    "typesafe-dynamodb",
+    "typescript",
+  ];
+
+  installPackages(packageMangager, dependencies);
+
+  console.log();
+  console.log("Initializing git repository...");
+  console.log();
+
+  const gitErrorMessage = "Error initializing git repository.";
+
+  failOnError(
+    spawn.sync("git", ["init", "-q"], {
+      stdio: "inherit",
+    }),
+    gitErrorMessage
+  );
+
+  failOnError(
+    spawn.sync("git", ["add", "."], {
+      stdio: "inherit",
+    }),
+    gitErrorMessage
+  );
+
+  failOnError(
+    spawn.sync("git", ["commit", "-q", "-m", "initial commit"], {
+      stdio: "inherit",
+    }),
+    gitErrorMessage
+  );
+
+  console.log(chalk.green("Project ready!"));
+  console.log();
+  console.log(`Run ${chalk.yellow(`cd ./${projectName}`)} to get started.`);
+
+  process.exit(0);
+}

src/util.ts

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+import chalk from "chalk";
+import spawn from "cross-spawn";
+import prompts from "prompts";
+import validateProjectName from "validate-npm-package-name";
+
+export function failOnError(
+  response: ReturnType<typeof spawn.sync>,
+  message: string
+) {
+  if (response.status !== 0) {
+    console.error(chalk.red(message));
+    process.exit(1);
+  }
+}
+
+export async function askProjectName() {
+  const defaultName = "new-project";
+
+  const answer = await prompts({
+    type: "text",
+    name: "projectName",
+    message: "Project name:",
+    initial: defaultName,
+    validate: (name) => {
+      const result = validateProjectName(name);
+      if (result.validForNewPackages) {
+        return true;
+      }
+      return `Invalid project name: ${name}`;
+    },
+  });
+
+  if (typeof answer.projectName === "string") {
+    return answer.projectName.trim();
+  }
+
+  return defaultName;
+}
+
+export type PackageManager = "yarn" | "pnpm" | "npm";
+
+export function getPackageManager(): PackageManager {
+  const packageManager = process.env.npm_config_user_agent;
+
+  if (packageManager?.startsWith("yarn")) {
+    return "yarn";
+  } else if (packageManager?.startsWith("pnpm")) {
+    return "pnpm";
+  } else {
+    return "npm";
+  }
+}
+
+export function installPackages(
+  manager: PackageManager,
+  dependencies: string[]
+) {
+  let executable = "npm";
+  let command = "install";
+
+  if (manager === "yarn") {
+    executable = "yarn";
+    command = "add";
+  }
+
+  if (manager == "pnpm") {
+    executable = "pnpm";
+  }
+
+  failOnError(
+    spawn.sync(executable, [command, "-D", ...dependencies], {
+      stdio: "inherit",
+    }),
+    "Unable to install dependencies"
+  );
+}

templates/default/.gitignore.template

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+.swc/
+cdk.out/
+node_modules/