Add wrangler plugin (#572)

* Add wrangler plugin

* Clean up wrangler plugin

* Add wrangler script

* Add wrangler pkg + bin

* Wrap up

---------

Co-authored-by: Lars Kappert <[email protected]>

packages/knip/fixtures/plugins/wrangler/package.json

@@ -0,0 +1,10 @@
+{
+  "name": "@fixtures/wrangler",
+  "version": "*",
+  "scripts": {
+    "dev": "wrangler dev"
+  },
+  "dependencies": {
+    "wrangler": "^3.37.0"
+  }
+}

packages/knip/fixtures/plugins/wrangler/wrangler.toml

@@ -0,0 +1,2 @@
+name = 'test'
+main = 'worker-test-entry.ts'

packages/knip/schema.json

@@ -491,6 +491,10 @@
           "title": "Wireit plugin configuration (https://github.com/webpro/knip/blob/main/src/plugins/wireit/README.md)",
           "$ref": "#/definitions/plugin"
         },
+        "wrangler": {
+          "title": "wrangler plugin configuration (https://github.com/webpro/knip/blob/main/src/plugins/wrangler/README.md)",
+          "$ref": "#/definitions/plugin"
+        },
         "yorkie": {
           "title": "yorkie plugin configuration (https://github.com/webpro/knip/blob/main/src/plugins/yorkie/README.md)",
           "$ref": "#/definitions/plugin"

packages/knip/src/ConfigurationValidator.ts

@@ -131,6 +131,7 @@ const pluginsSchema = z.object({
   vitest: pluginSchema,
   webpack: pluginSchema,
   wireit: pluginSchema,
+  wrangler: pluginSchema,
   yorkie: pluginSchema,
 });
 

packages/knip/src/plugins/index.ts

@@ -53,4 +53,5 @@ export { default as vitest } from './vitest/index.js';
 export { default as vue } from './vue/index.js';
 export { default as webpack } from './webpack/index.js';
 export { default as wireit } from './wireit/index.js';
+export { default as wrangler } from './wrangler/index.js';
 export { default as yorkie } from './yorkie/index.js';

packages/knip/src/plugins/wrangler/index.ts

@@ -0,0 +1,25 @@
+import { hasDependency } from '#p/util/plugin.js';
+import type { IsPluginEnabled, Plugin, ResolveEntryPaths } from '#p/types/plugins.js';
+import type { WranglerConfig } from './types.js';
+
+// https://developers.cloudflare.com/workers/wrangler/configuration/
+
+const title = 'Wrangler';
+
+const enablers = ['wrangler'];
+
+const isEnabled: IsPluginEnabled = ({ dependencies }) => hasDependency(dependencies, enablers);
+
+const config = ['wrangler.{json,toml}'];
+
+const resolveEntryPaths: ResolveEntryPaths<WranglerConfig> = async config => {
+  return config.main ? [config.main] : [];
+};
+
+export default {
+  title,
+  enablers,
+  isEnabled,
+  config,
+  resolveEntryPaths,
+} satisfies Plugin;

packages/knip/src/plugins/wrangler/types.ts

@@ -0,0 +1,3 @@
+export type WranglerConfig = {
+  main?: string;
+};

packages/knip/test/plugins/wrangler.test.ts

@@ -0,0 +1,21 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import { main } from '../../src/index.js';
+import { resolve } from '../../src/util/path.js';
+import baseArguments from '../helpers/baseArguments.js';
+import baseCounters from '../helpers/baseCounters.js';
+
+const cwd = resolve('fixtures/plugins/wrangler');
+
+test('Find dependencies with the wrangler plugin', async () => {
+  const { counters } = await main({
+    ...baseArguments,
+    cwd,
+  });
+
+  assert.deepEqual(counters, {
+    ...baseCounters,
+    processed: 0,
+    total: 0,
+  });
+});