Add knip linter and fix all unused dependencies and exports

.github/workflows/dependency-cycle.yml

@@ -0,0 +1,32 @@
+name: Checking package dependencies with knip and lerna
+
+on:
+  # Runs for every pull-requests created
+  pull_request:
+  push:
+    branches: [main]
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+jobs:
+  knip:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v6
+        with:
+          node-version: 24
+          cache: 'npm'
+
+      - name: Build TKO
+        run: make
+
+      - name: Check for dependency cycles and faulty imports/exports with knip
+        run: make knip
+
+      - name: Check lerna packages
+        run: make lerna-check

Makefile

@@ -51,6 +51,9 @@ format-fix:
 tsc:
 	$(NPX) tsc
 
+knip:
+	$(NPX) knip --no-config-hints
+
 eslint:
 	$(NPX) eslint .
 
@@ -63,6 +66,9 @@ dts:
 docker-build:
 	$(DOCKER) build . --tag tko
 
+lerna-check:
+	$(LERNA) exec --stream -- true
+
 # Run the `repackage` target in every directory.  Essentially
 # homogenizes the `package.json`.
 repackage: tools/repackage.mjs

builds/knockout/package.json

@@ -60,8 +60,7 @@
     "@tko/provider.multi": "^4.0.0-beta1.3",
     "@tko/provider.virtual": "^4.0.0-beta1.6",
     "@tko/utils.component": "^4.0.0-beta1.3",
-    "@tko/utils.functionrewrite": "^4.0.0-beta1.3",
-    "tslib": "^2.2.0"
+    "@tko/utils.functionrewrite": "^4.0.0-beta1.3"
   },
   "exports": {
     ".": {

builds/reference/package.json

@@ -31,8 +31,7 @@
     "@tko/provider.native": "^4.0.0-beta1.3",
     "@tko/provider.virtual": "^4.0.0-beta1.6",
     "@tko/utils.component": "^4.0.0-beta1.3",
-    "@tko/utils.jsx": "^4.0.0-beta1.3",
-    "tslib": "^2.2.0"
+    "@tko/utils.jsx": "^4.0.0-beta1.3"
   },
   "files": [
     "dist/",

knip.json

@@ -0,0 +1,21 @@
+{
+  "$schema": "https://unpkg.com/knip@5/schema.json",
+  "ignoreExportsUsedInFile": {
+    "interface": true,
+    "type": true
+  },
+  "tags": [
+    "-lintignore",
+    "-internal"
+  ],
+  "ignoreBinaries": ["make"],
+  "ignoreDependencies": ["@types/mocha", "chai", "electron", "esbuild", "fs-extra", "karma[.]*", "mocha", "nyc", "prettier", "sinon", "lerna"],
+  "workspaces": {
+    "packages/*": {
+      "entry": "src/index.ts",
+      "project": "src/**/*.ts",
+      "ignore": ["/helpers/**"]
+    }
+  },
+  "ignoreWorkspaces": ["builds/**", "docs/**", "tko.io/**", "tools/**"]
+}