feat: add yes flag as automatic answer to all prompts and run non-interactively.

- flag can be used with `--yes` or `--y`

Author: JacobMGEvans

.changeset/olive-maps-promise.md

@@ -0,0 +1,10 @@
+---
+"wrangler": patch
+---
+
+feat: add `--yes` with alias `--y` flag as automatic answer to all prompts and run `wrangler init` non-interactively.
+generated during setup:
+
+- package.json
+- TypeScript, which includes tsconfig.json & @cloudflare/workers-types
+- Template "hello world" Worker at src/index.ts

packages/wrangler/src/__tests__/index.test.ts

@@ -716,6 +716,26 @@ describe("wrangler", () => {
       expect(tsconfigJson.compilerOptions).toEqual({});
     });
 
+    it("should initialize with no interactive prompts if `--yes` is used", async () => {
+      await runWrangler("init --yes");
+
+      expect(fs.existsSync("./src/index.js")).toBe(false);
+      expect(fs.existsSync("./src/index.ts")).toBe(true);
+      expect(fs.existsSync("./tsconfig.json")).toBe(true);
+      expect(fs.existsSync("./package.json")).toBe(true);
+      expect(fs.existsSync("./wrangler.toml")).toBe(true);
+    });
+
+    it("should initialize with no interactive prompts if `--y` is used", async () => {
+      await runWrangler("init --y");
+
+      expect(fs.existsSync("./src/index.js")).toBe(false);
+      expect(fs.existsSync("./src/index.ts")).toBe(true);
+      expect(fs.existsSync("./tsconfig.json")).toBe(true);
+      expect(fs.existsSync("./package.json")).toBe(true);
+      expect(fs.existsSync("./wrangler.toml")).toBe(true);
+    });
+
     it("should error if `--type` is used", async () => {
       await expect(
         runWrangler("init --type")

packages/wrangler/src/index.tsx

@@ -211,10 +211,17 @@ export async function main(argv: string[]): Promise<void> {
     "init [name]",
     "📥 Create a wrangler.toml configuration file",
     (yargs) => {
-      return yargs.positional("name", {
-        describe: "The name of your worker.",
-        type: "string",
-      });
+      return yargs
+        .positional("name", {
+          describe: "The name of your worker.",
+          type: "string",
+        })
+        .option("yes", {
+          describe:
+            "Skip confirmation prompt, automatic yes to prompts; assume 'yes' as answer to all prompts and run non-interactively.",
+          type: "boolean",
+          alias: "y",
+        });
     },
     async (args) => {
       if ("type" in args) {
@@ -259,11 +266,15 @@ export async function main(argv: string[]): Promise<void> {
 
       let pathToPackageJson = await findUp("package.json");
       let shouldCreatePackageJson = false;
+      const yesFlag = args.yes ?? false;
       if (!pathToPackageJson) {
         // If no package.json exists, ask to create one
-        shouldCreatePackageJson = await confirm(
-          "No package.json found. Would you like to create one?"
-        );
+        shouldCreatePackageJson = yesFlag
+          ? yesFlag
+          : await confirm(
+              "No package.json found. Would you like to create one?"
+            );
+
         if (shouldCreatePackageJson) {
           await writeFile(
             "./package.json",
@@ -298,9 +309,11 @@ export async function main(argv: string[]): Promise<void> {
             packageJson.dependencies?.wrangler
           )
         ) {
-          const shouldInstall = await confirm(
-            "Would you like to install wrangler into your package.json?"
-          );
+          const shouldInstall = yesFlag
+            ? yesFlag
+            : await confirm(
+                "Would you like to install wrangler into your package.json?"
+              );
           if (shouldInstall) {
             await packageManager.addDevDeps(`wrangler@${wranglerVersion}`);
             console.log(`✨ Installed wrangler`);
@@ -313,7 +326,7 @@ export async function main(argv: string[]): Promise<void> {
       if (!pathToTSConfig) {
         // If there's no tsconfig, offer to create one
         // and install @cloudflare/workers-types
-        if (await confirm("Would you like to use TypeScript?")) {
+        if (yesFlag || (await confirm("Would you like to use TypeScript?"))) {
           isTypescriptProject = true;
           await writeFile(
             "./tsconfig.json",
@@ -418,9 +431,14 @@ export async function main(argv: string[]): Promise<void> {
       }
       if (isTypescriptProject) {
         if (!fs.existsSync("./src/index.ts")) {
-          const shouldCreateSource = await confirm(
-            `Would you like to create a Worker at src/index.ts?`
-          );
+          let shouldCreateSource = false;
+
+          shouldCreateSource = yesFlag
+            ? yesFlag
+            : await confirm(
+                `Would you like to create a Worker at src/index.ts?`
+              );
+
           if (shouldCreateSource) {
             await mkdir("./src", { recursive: true });
             await writeFile(