also format's default

Author: JoshuaKGoldberg

src/blocks/blockTSDown.test.ts

@@ -96,7 +96,7 @@ describe("blockTSDown", () => {
 			  "files": {
 			    "tsdown.config.ts": "import { defineConfig } from "tsdown";
 
-			export default defineConfig({"clean":true,"dts":true,"entry":["src/**/*.ts"],"format":"esm","outDir":"lib","unbundle":true});
+			export default defineConfig({"dts":true,"entry":["src/**/*.ts"],"outDir":"lib","unbundle":true});
 			",
 			  },
 			  "scripts": undefined,
@@ -224,7 +224,7 @@ describe("blockTSDown", () => {
 			  "files": {
 			    "tsdown.config.ts": "import { defineConfig } from "tsdown";
 
-			export default defineConfig({"clean":true,"dts":true,"entry":["src/**/*.ts"],"format":"esm","outDir":"lib","unbundle":true});
+			export default defineConfig({"dts":true,"entry":["src/**/*.ts"],"outDir":"lib","unbundle":true});
 			",
 			  },
 			}
@@ -321,7 +321,7 @@ describe("blockTSDown", () => {
 			  "files": {
 			    "tsdown.config.ts": "import { defineConfig } from "tsdown";
 
-			export default defineConfig({"clean":true,"dts":true,"entry":["src/**/*.ts","!src/**/*.test.ts"],"format":"esm","outDir":"lib","unbundle":true});
+			export default defineConfig({"dts":true,"entry":["src/**/*.ts","!src/**/*.test.ts"],"outDir":"lib","unbundle":true});
 			",
 			  },
 			  "scripts": undefined,

src/blocks/blockTSDown.ts

@@ -108,10 +108,8 @@ pnpm build --watch
 				"tsdown.config.ts": `import { defineConfig } from "tsdown";
 
 export default defineConfig(${JSON.stringify({
-					clean: true,
 					dts: true,
 					entry: Array.from(new Set(["src/**/*.ts", ...entry])),
-					format: "esm",
 					outDir: "lib",
 					unbundle: true,
 					...properties,

tsdown.config.ts

@@ -3,7 +3,6 @@ import { defineConfig } from "tsdown";
 export default defineConfig({
 	dts: true,
 	entry: ["src/**/*.ts", "!src/**/*.test.*"],
-	format: "esm",
 	outDir: "lib",
 	unbundle: true,
 });