Function create

src/create.ts:39–153

(effects: CreateEffects = defaultEffects)

};

export async function create(effects: CreateEffects = defaultEffects): Promise<void> {
  const {clack} = effects;
  clack.intro(`${inverse(" observable create ")} ${faint(`v${process.env.npm_package_version}`)}`);
  const defaultRootPath = `.${op.sep}hello-framework`;
  const defaultRootPathError = validateRootPath(defaultRootPath);
  clack.log.success(
    wrapAnsi(
      "Welcome to Observable Framework! 👋 This command will help you create a new app. When prompted, you can press Enter to accept the default value.",
      Math.min(80, effects.outputColumns)
    ) + `\n\nWant help? ${link("https://observablehq.com/framework/getting-started")}`
  );
  await clack.group(
    {
      rootPath: () =>
        clack.text({
          message: "Where should we create your project?",
          placeholder: defaultRootPath,
          defaultValue: defaultRootPathError ? undefined : defaultRootPath,
          validate: (input) => validateRootPath(input, defaultRootPathError)
        }),
      appTitle: ({results: {rootPath}}) =>
        clack.text({
          message: "What should we title your app?",
          placeholder: inferTitle(rootPath),
          defaultValue: inferTitle(rootPath)
        }),
      includeSampleFiles: () =>
        clack.select({
          message: "Include sample files to help you get started?",
          options: [
            {value: true, label: "Yes, include sample files", hint: "recommended"},
            {value: false, label: "No, create an empty project"}
          ],
          initialValue: true
        }),
      packageManager: () =>
        clack.select({
          message: "Install dependencies?",
          options: [
            {value: "npm", label: "Yes, via npm", hint: "recommended"},
            {value: "yarn", label: "Yes, via yarn", hint: "recommended"},
            {value: null, label: "No"}
          ],
          initialValue: inferPackageManager("npm")
        }),
      initializeGit: () =>
        clack.confirm({
          message: "Initialize git repository?"
        }),
      installing: async ({results: {rootPath, appTitle, includeSampleFiles, packageManager, initializeGit}}) => {
        rootPath = untildify(rootPath!);
        let spinning = true;
        const s = clack.spinner();
        s.start("Copying template files");
        const template = includeSampleFiles ? "default" : "empty";
        const templateDir = op.resolve(fileURLToPath(import.meta.url), "..", "..", "templates", template);
        const runCommand = packageManager === "yarn" ? "yarn" : `${packageManager ?? "npm"} run`;
        const installCommand = `${packageManager ?? "npm"} install`;