Support wrangler types for Pipelines (#8528)

* Support wrangler types for Pipelines

Adds support for `wrangler types` command to generate the necessary types for Workers Pipelines.

Closes: https://jira.cfdata.org/browse/PIPE-181

Create swift-beers-battle.md

* fix type generic

---------

Co-authored-by: Samuel Macleod <smacleod@cloudflare.com>

Author: cmackenzie1

.changeset/swift-beers-battle.md

@@ -0,0 +1,5 @@
+---
+"wrangler": patch
+---
+
+Support wrangler types for Pipelines

packages/wrangler/src/__tests__/type-generation.test.ts

@@ -203,7 +203,7 @@ const bindingsConfigMock: Omit<
 		},
 		{ type: "CompiledWasm", globs: ["**/*.wasm"], fallthrough: true },
 	],
-	pipelines: [],
+	pipelines: [{ binding: "PIPELINE", pipeline: "my-pipeline" }],
 	assets: {
 		binding: "ASSETS_BINDING",
 		directory: "/assets",
@@ -437,6 +437,7 @@ describe("generate types", () => {
 					IMAGES_BINDING: ImagesBinding;
 					VERSION_METADATA_BINDING: { id: string; tag: string };
 					ASSETS_BINDING: Fetcher;
+					PIPELINE: import(\\"cloudflare:pipelines\\").Pipeline<import(\\"cloudflare:pipelines\\").PipelineRecord>;
 				}
 			}
 			interface Env extends Cloudflare.Env {}
@@ -525,6 +526,7 @@ describe("generate types", () => {
 					IMAGES_BINDING: ImagesBinding;
 					VERSION_METADATA_BINDING: { id: string; tag: string };
 					ASSETS_BINDING: Fetcher;
+					PIPELINE: import(\\"cloudflare:pipelines\\").Pipeline<import(\\"cloudflare:pipelines\\").PipelineRecord>;
 				}
 			}
 			interface Env extends Cloudflare.Env {}

packages/wrangler/src/type-generation/index.ts

@@ -294,6 +294,7 @@ export async function generateEnvTypes(
 		secrets,
 		assets: config.assets,
 		workflows: config.workflows,
+		pipelines: config.pipelines,
 	};
 
 	const entrypointFormat = entrypoint?.format ?? "modules";
@@ -511,6 +512,15 @@ export async function generateEnvTypes(
 		}
 	}
 
+	if (configToDTS.pipelines) {
+		for (const pipeline of configToDTS.pipelines) {
+			envTypeStructure.push([
+				constructTypeKey(pipeline.binding),
+				`import("cloudflare:pipelines").Pipeline<import("cloudflare:pipelines").PipelineRecord>`,
+			]);
+		}
+	}
+
 	const modulesTypeStructure: string[] = [];
 	if (configToDTS.rules) {
 		const moduleTypeMap = {