Add integration workflow w/ Bun

.github/workflows/integration.yml

@@ -0,0 +1,26 @@
+name: Run Knip in external projects
+
+on:
+  workflow_dispatch:
+  push:
+
+jobs:
+  integration:
+    name: integration
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: oven-sh/setup-bun@v1
+      - run: git apply bun-compat.diff
+      - run: bun install
+      - run: bun run build
+      - run: bun link
+
+      - name: Test Knip against create-typescript-app
+        uses: actions/checkout@v3
+        with:
+          repository: JoshuaKGoldberg/create-typescript-app
+          path: create-typescript-app
+      - run: bun install
+      - run: bun link knip
+      - run: bun knip

bun-compat.diff

@@ -0,0 +1,42 @@
+diff --git a/package.json b/package.json
+index bba0020..4077490 100644
+--- a/package.json
++++ b/package.json
+@@ -44,6 +44,7 @@
+   "dependencies": {
+     "@ericcornelissen/bash-parser": "^0.5.2",
+     "@npmcli/map-workspaces": "^3.0.4",
++    "@pkgjs/parseargs": "0.11.0",
+     "@snyk/github-codeowners": "^1.1.0",
+     "chalk": "^5.2.0",
+     "easy-table": "^1.2.0",
+@@ -72,6 +73,7 @@
+     "@types/minimist": "1.2.3",
+     "@types/node": "20.8.3",
+     "@types/npmcli__map-workspaces": "3.0.2",
++    "@types/pkgjs__parseargs": "0.10.1",
+     "@types/webpack": "5.28.3",
+     "@typescript-eslint/eslint-plugin": "6.7.4",
+     "@typescript-eslint/parser": "6.7.4",
+diff --git a/scripts/create-new-plugin.ts b/scripts/create-new-plugin.ts
+index 84ddd28..5e56a5e 100644
+--- a/scripts/create-new-plugin.ts
++++ b/scripts/create-new-plugin.ts
+@@ -1,6 +1,6 @@
+ import fs from 'node:fs/promises';
+ import path from 'node:path';
+-import { parseArgs } from 'node:util';
++import { parseArgs } from '@pkgjs/parseargs';
+
+ const {
+   values: { name },
+diff --git a/src/util/cli-arguments.ts b/src/util/cli-arguments.ts
+index 48be9e8..77c1b01 100644
+--- a/src/util/cli-arguments.ts
++++ b/src/util/cli-arguments.ts
+@@ -1,4 +1,4 @@
+-import { parseArgs } from 'node:util';
++import { parseArgs } from '@pkgjs/parseargs';
+
+ export const helpText = `✂️  Find unused files, dependencies and exports in your JavaScript and TypeScript projects
+