polish: Added scripts to package.json

To get wrangler init projects up and running with good ergonomics for deploying and development,
added default scripts "start" & "deploy" with assumed TS or JS files in generated ./src/index

Author: JacobMGEvans

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

@@ -163,7 +163,7 @@ describe("wrangler", () => {
       const packageJson = JSON.parse(
         fs.readFileSync("./package.json", "utf-8")
       );
-      expect(packageJson.name).toEqual("worker"); // TODO: should we infer the name from the directory?
+      expect(packageJson.name).toContain("wrangler-tests");
       expect(packageJson.version).toEqual("0.0.0");
       expect(packageJson.devDependencies).toEqual({
         wrangler: expect.any(String),
@@ -329,6 +329,76 @@ describe("wrangler", () => {
       expect(fs.existsSync("./src/index.ts")).toBe(true);
     });
 
+    it("should add scripts for a typescript project with .ts extension", async () => {
+      mockConfirm(
+        {
+          text: "No package.json found. Would you like to create one?",
+          result: true,
+        },
+        {
+          text: "Would you like to install wrangler into your package.json?",
+          result: false,
+        },
+        {
+          text: "Would you like to use TypeScript?",
+          result: true,
+        },
+        {
+          text: "Would you like to create a Worker at src/index.ts?",
+          result: true,
+        }
+      );
+      await runWrangler("init");
+
+      expect(fs.existsSync("./package.json")).toBe(true);
+      const packageJson = JSON.parse(
+        fs.readFileSync("./package.json", "utf-8")
+      );
+
+      expect(fs.existsSync("./src/index.js")).toBe(false);
+      expect(fs.existsSync("./src/index.ts")).toBe(true);
+
+      expect(packageJson.scripts.start).toBe("wrangler dev src/index.ts");
+      expect(packageJson.scripts.deploy).toBe("wrangler publish src/index.ts");
+      expect(packageJson.name).toContain("wrangler-tests");
+      expect(packageJson.version).toEqual("0.0.0");
+    });
+
+    it("should add scripts for a non-ts project with .js extension", async () => {
+      mockConfirm(
+        {
+          text: "No package.json found. Would you like to create one?",
+          result: true,
+        },
+        {
+          text: "Would you like to install wrangler into your package.json?",
+          result: false,
+        },
+        {
+          text: "Would you like to use TypeScript?",
+          result: false,
+        },
+        {
+          text: "Would you like to create a Worker at src/index.js?",
+          result: true,
+        }
+      );
+      await runWrangler("init");
+
+      expect(fs.existsSync("./package.json")).toBe(true);
+      const packageJson = JSON.parse(
+        fs.readFileSync("./package.json", "utf-8")
+      );
+
+      expect(fs.existsSync("./src/index.js")).toBe(true);
+      expect(fs.existsSync("./src/index.ts")).toBe(false);
+
+      expect(packageJson.scripts.start).toBe("wrangler dev src/index.js");
+      expect(packageJson.scripts.deploy).toBe("wrangler publish src/index.js");
+      expect(packageJson.name).toContain("wrangler-tests");
+      expect(packageJson.version).toEqual("0.0.0");
+    });
+
     it("should not offer to create a worker in a non-ts project if a file already exists at the location", async () => {
       mockConfirm(
         {

packages/wrangler/src/index.tsx

@@ -227,7 +227,7 @@ export async function main(argv: string[]): Promise<void> {
             "./package.json",
             JSON.stringify(
               {
-                name: "worker",
+                name: args.name || path.basename(path.resolve(process.cwd())),
                 version: "0.0.0",
                 devDependencies: {
                   wrangler: wranglerVersion,
@@ -347,6 +347,18 @@ export async function main(argv: string[]): Promise<void> {
                 "utf-8"
               )
             );
+
+            await writeFile(
+              pathToPackageJson,
+              JSON.stringify({
+                ...JSON.parse(await readFile(pathToPackageJson, "utf-8")),
+                scripts: {
+                  start: "wrangler dev src/index.ts",
+                  deploy: "wrangler publish src/index.ts",
+                },
+              })
+            );
+
             console.log(`✨ Created src/index.ts`);
           }
         }
@@ -364,6 +376,18 @@ export async function main(argv: string[]): Promise<void> {
                 "utf-8"
               )
             );
+
+            await writeFile(
+              pathToPackageJson,
+              JSON.stringify({
+                ...JSON.parse(await readFile(pathToPackageJson, "utf-8")),
+                scripts: {
+                  start: "wrangler dev src/index.js",
+                  deploy: "wrangler publish src/index.js",
+                },
+              })
+            );
+
             console.log(`✨ Created src/index.js`);
           }
         }