feat: add knip core logic

.github/workflows/ci.yml

@@ -33,5 +33,5 @@ jobs:
       - run: git branch --track main origin/main
         if: ${{ github.event_name == 'pull_request' }}
 
-      - run: npx nx-cloud record -- nx format:check
-      - run: npx nx affected -t lint test build
+      - run: npx nx format:check
+      - run: npx nx affected -t lint unit-test integration-test build

package.json

@@ -46,14 +46,20 @@
     "packages/*"
   ],
   "dependencies": {
-    "@code-pushup/cli": "^0.47.0",
-    "@code-pushup/core": "^0.47.0",
-    "@code-pushup/models": "^0.47.0",
-    "@code-pushup/utils": "^0.47.0",
+    "@code-pushup/cli": "^0.57.0",
+    "@code-pushup/core": "^0.57.0",
+    "@code-pushup/models": "^0.57.0",
+    "@code-pushup/utils": "^0.57.0",
     "@nx/devkit": "19.4.3",
+    "@poppinss/cliui": "^6.4.1",
     "ansis": "^3.8.1",
     "knip": "^5.42.0",
     "memfs": "^4.17.0",
     "zod": "^3.24.1"
+  },
+  "optionalDependencies": {
+    "@nx/nx-darwin-arm64": "^16.9.1",
+    "@nx/nx-darwin-x64": "^16.10.0",
+    "@nx/nx-linux-x64-gnu": "16.7.4"
   }
 }

packages/plugin-knip/.eslintrc.json

@@ -12,7 +12,12 @@
       "files": ["*.json"],
       "parser": "jsonc-eslint-parser",
       "rules": {
-        "@nx/dependency-checks": ["error"]
+        "@nx/dependency-checks": [
+          "error",
+          {
+            "ignoredDependencies": ["@code-pushup/test-utils"]
+          }
+        ]
       }
     }
   ]

packages/plugin-knip/CONTRIBUTING.MD

@@ -3,5 +3,5 @@
 The [knip](https://knip.dev/) plugin implementation is restricted due to [a bug that wont get fixed](https://github.com/webpro/knip/issues/551).
 
 As we can't consume knip core logic because it produces an unwanted side effect (linked above), we have to implement a `RunnerConfig` instead of a  `RunnerFunction`.
-Our current solution is to implement a [custom knip reporter](https://knip.dev/features/reporters#custom-reporters) which is bundled as an [additional entry point](./src/reporter.ts).
+Our current solution is to implement a [custom knip reporter](https://knip.dev/features/reporters#custom-reporters) which is bundled as an [additional entry point](src/lib/reporter.ts).
 The produced output is internally consumed by the `RunnerConfig` and wrapped into a `PluginReport`.

packages/plugin-knip/mocks/fixtures/raw-knip.report.ts

@@ -150,7 +150,7 @@ export const rawReport: Pick<ReporterOptions, 'report' | 'issues' | 'options'> =
           'configurationGenerator|default': {
             type: 'duplicates',
             filePath:
-              '/Users/michael_hladky/WebstormProjects/quality-metrics-cli/packages/nx-plugin/src/generators/configuration/generator.ts',
+              '/Users/username/Projects/quality-metrics-cli/packages/nx-plugin/src/generators/configuration/generator.ts',
             symbol: 'configurationGenerator|default',
             symbols: [
               {

packages/plugin-knip/package.json

@@ -2,6 +2,17 @@
   "name": "@code-pushup/knip-plugin",
   "version": "0.0.0",
   "license": "MIT",
-  "dependencies": {},
-  "peerDependencies": {}
+  "dependencies": {
+    "@code-pushup/models": "^0.57.0",
+    "@code-pushup/utils": "^0.57.0",
+    "ansis": "^3.8.1",
+    "knip": "^5.42.0",
+    "memfs": "^4.17.0",
+    "tslib": "^2.3.0",
+    "vite": "^5.0.0",
+    "vitest": "^1.3.1",
+    "zod": "^3.24.1"
+  },
+  "peerDependencies": {},
+  "devDependencies": {}
 }

packages/plugin-knip/project.json

@@ -27,13 +27,14 @@
     "unit-test": {
       "executor": "@nx/vite:test",
       "options": {
-        "config": "packages/plugin-knip/vite.config.unit.ts"
+        "configFile": "packages/plugin-knip/vite.config.unit.ts"
       }
     },
     "integration-test": {
+      "dependsOn": ["build"],
       "executor": "@nx/vite:test",
       "options": {
-        "config": "packages/plugin-knip/vite.config.integration.ts"
+        "configFile": "packages/plugin-knip/vite.config.integration.ts"
       }
     }
   },

packages/plugin-knip/src/lib/constants.integration.test.ts

@@ -0,0 +1,36 @@
+import { describe, expect, it } from 'vitest';
+import { auditSchema, groupSchema } from '@code-pushup/models';
+import {
+  KNIP_AUDITS,
+  KNIP_GROUP_ALL,
+  KNIP_GROUP_DEPENDENCIES,
+  KNIP_GROUP_EXPORTS,
+  KNIP_GROUP_FILES,
+} from './constants';
+
+describe('constants-AUDITS', () => {
+  it.each(KNIP_AUDITS.map((audit) => [audit.slug, audit]))(
+    'should be a valid %s audit meta info',
+    (_, audit) => {
+      expect(() => auditSchema.parse(audit)).not.toThrow();
+    },
+  );
+});
+
+describe('constants-KNIP_GROUPS', () => {
+  it('should be a valid file group info', () => {
+    expect(() => groupSchema.parse(KNIP_GROUP_FILES)).not.toThrow();
+  });
+
+  it('should be a valid exports group info', () => {
+    expect(() => groupSchema.parse(KNIP_GROUP_EXPORTS)).not.toThrow();
+  });
+
+  it('should be a valid dependencies group info', () => {
+    expect(() => groupSchema.parse(KNIP_GROUP_DEPENDENCIES)).not.toThrow();
+  });
+
+  it('should be a valid all group info', () => {
+    expect(() => groupSchema.parse(KNIP_GROUP_ALL)).not.toThrow();
+  });
+});

packages/plugin-knip/src/lib/constants.ts

@@ -1,3 +1,189 @@
+import { Audit, Group } from '@code-pushup/models';
+
+export const KNIP_PLUGIN_SLUG = 'knip';
+export const KNIP_RAW_REPORT_NAME = 'knip-raw-report.json';
+export const KNIP_REPORT_NAME = 'knip-code-pushup-report.json';
+
+const audits = [
+  {
+    slug: 'files',
+    title: 'Unused Files',
+    description: 'Unable to find a reference to this file',
+  },
+  {
+    slug: 'dependencies',
+    title: 'Unused Dependencies',
+    description: 'Unable to find a reference to this dependency',
+  },
+  {
+    slug: 'devdependencies',
+    title: 'Unused Development Dependencies',
+    description: 'Unable to find a reference to this devDependency',
+  },
+  {
+    slug: 'optionalpeerdependencies',
+    title: 'Referenced optional peerDependencies',
+    description: 'Optional peer dependency is referenced',
+  },
+  {
+    slug: 'unlisted',
+    title: 'Unlisted dependencies',
+    description: 'Used dependencies not listed in package.json',
+  },
+  {
+    slug: 'binaries',
+    title: 'Unlisted binaries',
+    description: 'Binaries from dependencies not listed in package.json',
+  },
+  {
+    slug: 'unresolved',
+    title: 'Unresolved imports',
+    description: 'Unable to resolve this (import) specifier',
+  },
+  {
+    slug: 'exports',
+    title: 'Unused exports',
+    description: 'Unable to find a reference to this export',
+  },
+  {
+    slug: 'types',
+    title: 'Unused exported types',
+    description: 'Unable to find a reference to this exported type',
+  },
+  {
+    slug: 'nsexports',
+    title: 'Exports in used namespace',
+    description: 'Namespace with export is referenced, but not export itself',
+  },
+  {
+    slug: 'nstypes',
+    title: 'Exported types in used namespace',
+    description: 'Namespace with type is referenced, but not type itself',
+  },
+  {
+    slug: 'enummembers',
+    title: 'Unused exported enum members',
+    description: 'Unable to find a reference to this enum member',
+  },
+  {
+    slug: 'classmembers',
+    title: 'Unused exported class members',
+    description: 'Unable to find a reference to this class member',
+  },
+  {
+    slug: 'duplicates',
+    title: 'Duplicate exports',
+    description: 'This is exported more than once',
+  },
+] as const satisfies Audit[]; // we use `as const satisfies` to get strict slug typing
+
+export type KnipAudits = (typeof audits)[number]['slug'];
+
+function docsLink(slug: KnipAudits): string {
+  let anchor = '#';
+  const base = 'https://knip.dev/guides/handling-issues';
+
+  switch (slug) {
+    case 'files':
+      anchor = '#unused-files';
+      break;
+    case 'dependencies':
+    case 'devdependencies':
+      anchor = '#unused-dependencies';
+      break;
+    case 'unlisted':
+      anchor = '#unlisted-dependencies';
+      break;
+    case 'optionalpeerdependencies':
+      anchor = '#referenced-optional-peerDependencies';
+      break;
+    case 'unresolved':
+      anchor = '#unresolved-imports';
+      break;
+    case 'exports':
+    case 'types':
+    case 'nsexports':
+    case 'nstypes':
+      anchor = '#unused-exports';
+      break;
+    case 'enummembers':
+      anchor = '#enum-members';
+      break;
+    case 'classmembers':
+      anchor = '#class-members';
+      break;
+    // following cases also default:
+    // - case 'binaries':
+    // - case 'duplicates':
+    default:
+      return base;
+  }
+
+  return `${base}${anchor}`;
+}
+
+export const KNIP_AUDITS = audits.map((audit) => ({
+  ...audit,
+  docsUrl: docsLink(audit.slug),
+}));
+
+export const KNIP_GROUP_FILES = {
+  slug: 'files',
+  title: 'All file audits',
+  description: 'Groups all file related audits',
+  refs: [{ slug: 'files', weight: 1 }],
+} as const satisfies Group;
+
+export const KNIP_GROUP_DEPENDENCIES = {
+  slug: 'dependencies',
+  title: 'All dependency audits',
+  description: 'Groups all dependency related audits',
+  refs: [
+    { slug: 'dependencies', weight: 1 },
+    { slug: 'devdependencies', weight: 1 },
+    { slug: 'binaries', weight: 1 },
+    // critical as potentially breaking
+    { slug: 'optionalpeerdependencies', weight: 2 },
+    { slug: 'unlisted', weight: 2 },
+  ],
+} as const satisfies Group;
+
+export const KNIP_GROUP_EXPORTS = {
+  slug: 'exports',
+  title: 'All exports related audits',
+  description: 'Groups all dependency related knip audits',
+  refs: [
+    { slug: 'unresolved', weight: 10 },
+    { slug: 'exports', weight: 10 },
+    { slug: 'types', weight: 10 },
+    { slug: 'nsexports', weight: 10 },
+    { slug: 'nstypes', weight: 10 },
+    { slug: 'enummembers', weight: 10 },
+    { slug: 'classmembers', weight: 10 },
+    { slug: 'duplicates', weight: 2 },
+  ],
+} as const satisfies Group;
+
+export const KNIP_GROUP_ALL = {
+  slug: 'all',
+  title: 'All knip audits',
+  description: 'Groups all knip audits into a group for easy use',
+  refs: [
+    ...KNIP_GROUP_FILES.refs,
+    ...KNIP_GROUP_EXPORTS.refs,
+    ...KNIP_GROUP_DEPENDENCIES.refs,
+  ],
+} as const satisfies Group;
+
+export const KNIP_GROUPS = [
+  KNIP_GROUP_FILES,
+  KNIP_GROUP_EXPORTS,
+  KNIP_GROUP_DEPENDENCIES,
+  KNIP_GROUP_ALL,
+] as const satisfies Group[]; // we use `as const satisfies` to get strict slug typing;
+
+export type KnipGroups = (typeof KNIP_GROUPS)[number]['slug'];
+
 import { IssueType as KnipIssueType } from 'knip/dist/types/issues';
 
 /**

packages/plugin-knip/src/lib/index.ts

@@ -0,0 +1,16 @@
+import { knipPlugin } from './knip.plugin';
+
+export { knipPlugin } from './knip.plugin';
+
+export {
+  KNIP_GROUP_DEPENDENCIES,
+  KNIP_GROUP_FILES,
+  KNIP_GROUP_ALL,
+  KNIP_AUDITS,
+  KNIP_PLUGIN_SLUG,
+  KNIP_RAW_REPORT_NAME,
+  KNIP_REPORT_NAME,
+} from './constants';
+
+export { knipCategoryAuditRef, knipCategoryGroupRef } from './utils';
+export default knipPlugin;

packages/plugin-knip/src/lib/knip.plugin.ts

@@ -0,0 +1,29 @@
+import { join } from 'node:path';
+import { PluginConfig } from '@code-pushup/models';
+import { KNIP_AUDITS, KNIP_GROUPS, KNIP_PLUGIN_SLUG } from './constants';
+import { RunnerOptions, createRunnerConfig } from './runner';
+
+export type PluginOptions = RunnerOptions;
+
+export function knipPlugin(options: PluginOptions = {}): PluginConfig {
+  const {
+    outputFile = join(
+      '.code-pushup',
+      KNIP_PLUGIN_SLUG,
+      `knip-report-${Date.now()}.json`,
+    ),
+    ...runnerOptions
+  } = options;
+  return {
+    slug: KNIP_PLUGIN_SLUG,
+    title: 'Knip',
+    icon: 'folder-javascript',
+    description: 'A plugin to track dependencies and duplicates',
+    runner: createRunnerConfig({
+      ...runnerOptions,
+      outputFile,
+    }),
+    audits: KNIP_AUDITS,
+    groups: KNIP_GROUPS,
+  };
+}

packages/plugin-knip/src/lib/knip.plugin.unit.test.ts

@@ -0,0 +1,21 @@
+import { describe, expect, it } from 'vitest';
+import { pluginConfigSchema } from '@code-pushup/models';
+import { KNIP_AUDITS, KNIP_GROUPS, KNIP_PLUGIN_SLUG } from './constants';
+import { knipPlugin } from './knip.plugin';
+
+describe('knipPlugin-create-config-object', () => {
+  it('should return valid PluginConfig', () => {
+    const pluginConfig = knipPlugin({});
+    expect(() => pluginConfigSchema.parse(pluginConfig)).not.toThrow();
+    expect(pluginConfig).toEqual(
+      expect.objectContaining({
+        slug: KNIP_PLUGIN_SLUG,
+        title: 'Knip',
+        icon: 'folder-javascript',
+        description: 'A plugin to track dependencies and duplicates',
+        audits: KNIP_AUDITS,
+        groups: KNIP_GROUPS,
+      }),
+    );
+  });
+});