Migrate linting and tests away from tsdx (#29)

* Bump Node, dependencies, and devDependencies

* Fix issues from update

* Downgrade find-up

* Migrate from tsdx test to plain Jest

* Begin migrating from tsdx lint to plain eslint

* Address all eslint warnings and errors

* Add Node 17 to ci

* Drop Node 15 from ci

.eslintrc.js

@@ -1,17 +1,36 @@
+/* eslint-env node */
+
 module.exports = {
   root: true,
-  extends: ['eslint:recommended', 'prettier/@typescript-eslint', 'prettier'],
+  parser: '@typescript-eslint/parser',
+  plugins: ['@typescript-eslint'],
+  extends: ['eslint:recommended', 'prettier'],
 
-  parserOptions: {
-    ecmaVersion: 2020,
+  rules: {
+    '@typescript-eslint/explicit-module-boundary-types': 'error',
   },
 
+  overrides: [
+    {
+      files: ['**/*.test.*', '**/tests/*.*'],
+      env: {
+        jest: true,
+      },
+    },
+    {
+      // Only add typescript rules for typescript files
+      files: ['**/*.ts', '**/*.tsx'],
+      extends: ['eslint:recommended', 'plugin:@typescript-eslint/recommended', 'prettier'],
+    },
+  ],
+
   ignorePatterns: [
     'build/',
     'dist/',
     'coverage/',
     'coverage-local/',
     'dist/',
+    'legacy-types/',
     'lib-dist/',
     'node_modules/',
   ],

.github/workflows/ci.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [ 12.x, 14.x, 15.x, 16.x ]
+        node-version: [ 12.x, 14.x, 16.x, 17.x ]
 
     steps:
       - uses: actions/checkout@v2

.nvmrc

@@ -1 +1 @@
-16.2.0
+16.13.0

examples/example-library/src/index.ts

@@ -1,4 +1,4 @@
-const exampleLibraryFn = () => {
+const exampleLibraryFn = (): void => {
   console.log('exampleLibraryFn!');
 };
 

jest-base.config.js

@@ -1,8 +1,13 @@
 /* eslint-env node */
 
 module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: 'jsdom',
+  collectCoverage: true,
+  coverageReporters: ['json', 'html', 'lcov'],
+
   testPathIgnorePatterns: ['/build/', '/dist/', '/lib-dist/', '/node_modules/'],
   coveragePathIgnorePatterns: ['.*\\.(ignored|stories|test)\\.*'],
-  // coverageDirectory should be set by consumer
-  // collectCoverageFrom should be set by consumer
+
+  // This base config is incomplete: the consumer should set `roots`, `coverageDirectory`, and `collectCoverageFrom`
 };

package.json

@@ -15,7 +15,7 @@
     "url": "http://stevenpautz.com/"
   },
   "engines": {
-    "node": "^12 || >=14",
+    "node": "^12 || ^14 || ^15 || ^16 || ^17",
     "yarn": "1.*"
   },
   "scripts": {
@@ -42,42 +42,45 @@
     "bootstrap": "lerna bootstrap",
     "format": "prettier --write .",
     "format:verify": "prettier --list-different .",
-    "lint": "tsdx lint . --max-warnings 0",
+    "lint": "eslint . --max-warnings 0",
+    "lint:fix": "eslint . --fix --max-warnings 0",
     "lint-staged": "lint-staged",
     "packagelint": "packagelint",
     "release:version": "yarn lerna version --no-changelog --no-push --no-git-tag-version ",
     "release:tag": "cross-env HUSKY_BYPASS=true yarn lerna version --no-changelog --no-push --sign-git-commit --amend ",
     "release:postpublish": "standard-version --commit-all --sign --skip.changelog --release-as ",
     "test": "yon run test:coverage",
     "test:clean": "rimraf ./coverage",
-    "test:coverage": "yon run test:clean && tsdx test --coverage",
-    "test:nowatch": "yon run test:clean && tsdx test",
-    "test:watch": "yon run test:clean && tsdx test --watch",
-    "test:watchcoverage": "yon run test:clean && tsdx test --watchAll --coverage",
+    "test:coverage": "yon run test:clean && jest --coverage",
+    "test:nowatch": "yon run test:clean && jest --coverage=false --bail",
+    "test:watch": "yon run test:clean && jest --coverage=false --watch",
+    "test:watchcoverage": "yon run test:clean && jest --coverage --watchAll",
     "types": "tsc --noEmit --p tsconfig.json"
   },
   "dependencies": {},
   "devDependencies": {
     "@tsconfig/recommended": "1.0.1",
-    "@types/node": "16.4.0",
+    "@types/node": "16.11.6",
+    "@typescript-eslint/eslint-plugin": "5.3.0",
+    "@typescript-eslint/parser": "5.3.0",
     "cross-env": "7.0.3",
     "downlevel-dts": "0.7.0",
-    "eslint-plugin-prettier": "3.4.0",
+    "eslint": "8.2.0",
+    "eslint-config-prettier": "8.3.0",
     "gh-pages": "3.2.3",
-    "husky": "7.0.1",
+    "husky": "7.0.4",
+    "jest": "27.3.1",
     "lerna": "4.0.0",
-    "lint-staged": "11.0.1",
-    "prettier": "2.3.2",
+    "lint-staged": "11.2.6",
+    "prettier": "2.4.1",
     "rimraf": "3.0.2",
-    "standard-version": "9.3.1",
+    "standard-version": "9.3.2",
+    "ts-jest": "27.0.7",
     "tsdx": "0.14.1",
-    "typescript": "4.3.5",
+    "tslib": "2.3.1",
+    "typescript": "4.4.4",
     "yarn-or-npm": "3.0.1"
   },
-  "resolutions": {
-    "**/@typescript-eslint/eslint-plugin": "^4.28.4",
-    "**/@typescript-eslint/parser": "^4.28.4"
-  },
   "lint-staged": {
     "**/*.{css,html,js,jsx,json,less,md,scss,ts,tsx}": [
       "prettier --write"

packages/core/package.json

@@ -53,14 +53,15 @@
     "build:watch": "tsdx watch",
     "format": "prettier --write .",
     "format:verify": "prettier --list-different .",
-    "lint": "tsdx lint . --max-warnings 0",
+    "lint": "eslint . --max-warnings 0",
+    "lint:fix": "eslint . --fix --max-warnings 0",
     "release:changelog": "standard-version --skip.commit --skip.tag --release-as ",
     "test": "yon run test:coverage",
     "test:clean": "rimraf ./coverage-local",
-    "test:coverage": "yon run test:clean && tsdx test --coverage --passWithNoTests",
-    "test:nowatch": "yon run test:clean && tsdx test",
-    "test:watch": "yon run test:clean && tsdx test --watch",
-    "test:watchcoverage": "yon run test:clean && tsdx test --watchAll --coverage",
+    "test:coverage": "yon run test:clean && jest --coverage",
+    "test:nowatch": "yon run test:clean && jest --coverage=false --bail",
+    "test:watch": "yon run test:clean && jest --coverage=false --watch",
+    "test:watchcoverage": "yon run test:clean && jest --coverage --watchAll",
     "types": "tsc --p tsconfig.json --noEmit"
   },
   "dependencies": {

packages/core/src/__tests__/todo.test.ts

@@ -0,0 +1,5 @@
+describe('@TODO', () => {
+  it('@TODO', () => {
+    expect('@TODO').toEqual('@TODO');
+  });
+});

packages/core/src/index.ts

@@ -12,10 +12,11 @@ import {
   nvmrcRuleDefinition,
 } from './rules';
 
-const packagelintReporters: Record<string, PackagelintReporterConstructor<any>> = {
+const packagelintReporters: Record<string, PackagelintReporterConstructor> = {
   internalDebugReporter: InternalDebugReporter,
 };
 
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
 const packagelintRules: Record<string, PackagelintRuleDefinition<any>> = {
   'always-fail': alwaysFailRuleDefinition,
   'always-pass': alwaysPassRuleDefinition,

packages/core/src/reporters/internalDebugReporter/InternalDebugReporter.ts

@@ -67,7 +67,7 @@ class InternalDebugReporter implements PackagelintReporterInstance {
     this._logEvent('getLastError', ...args);
   }
 
-  _logEvent(eventName: PackagelintReporterEventName, ...args: Array<any>): void {
+  _logEvent(eventName: PackagelintReporterEventName, ...args: Array<unknown>): void {
     if (this._eventsToLog[eventName]) {
       this._callback(`${this._prefix}: ${eventName}`, ...args);
     }

packages/core/src/rules/always-fail/always-fail.ts

@@ -1,6 +1,10 @@
-import { PackagelintRuleDefinition, PackagelintValidationContext } from '@packagelint/types';
+import {
+  PackagelintRuleDefinition,
+  PackagelintValidationContext,
+  PackagelintValidationFnReturn,
+} from '@packagelint/types';
 
-export type AlwaysFailRuleOptions = {};
+export type AlwaysFailRuleOptions = Record<never, never>;
 
 const alwaysFailRuleDefinition: PackagelintRuleDefinition<AlwaysFailRuleOptions> = {
   name: 'always-fail',
@@ -19,7 +23,7 @@ const alwaysFailRuleDefinition: PackagelintRuleDefinition<AlwaysFailRuleOptions>
 function alwaysFailRuleValidationFn(
   _options: AlwaysFailRuleOptions,
   packageContext: PackagelintValidationContext,
-) {
+): PackagelintValidationFnReturn {
   return packageContext.createErrorToReturn('alwaysFail');
 }
 

packages/core/src/rules/always-pass/always-pass.ts

@@ -1,6 +1,6 @@
-import { PackagelintRuleDefinition, PackagelintValidationContext } from '@packagelint/types';
+import { PackagelintRuleDefinition } from '@packagelint/types';
 
-export type AlwaysPassRuleOptions = {};
+export type AlwaysPassRuleOptions = Record<never, never>;
 
 const alwaysPassRuleDefinition: PackagelintRuleDefinition<AlwaysPassRuleOptions> = {
   name: 'always-pass',
@@ -16,10 +16,7 @@ const alwaysPassRuleDefinition: PackagelintRuleDefinition<AlwaysPassRuleOptions>
   doValidation: alwaysPassRuleValidationFn,
 };
 
-function alwaysPassRuleValidationFn(
-  _options: AlwaysPassRuleOptions,
-  _packageContext: PackagelintValidationContext,
-) {
+function alwaysPassRuleValidationFn(/* _options: AlwaysPassRuleOptions, _packageContext: PackagelintValidationContext */): null {
   return null;
 }
 

packages/core/src/rules/always-throw/always-throw.ts

@@ -1,6 +1,6 @@
-import { PackagelintRuleDefinition, PackagelintValidationContext } from '@packagelint/types';
+import { PackagelintRuleDefinition } from '@packagelint/types';
 
-export type AlwaysThrowRuleOptions = {};
+export type AlwaysThrowRuleOptions = Record<never, never>;
 
 const alwaysThrowRuleDefinition: PackagelintRuleDefinition<AlwaysThrowRuleOptions> = {
   name: 'always-throw',
@@ -14,10 +14,7 @@ const alwaysThrowRuleDefinition: PackagelintRuleDefinition<AlwaysThrowRuleOption
   doValidation: alwaysThrowRuleValidationFn,
 };
 
-function alwaysThrowRuleValidationFn(
-  _options: AlwaysThrowRuleOptions,
-  _packageContext: PackagelintValidationContext,
-): null {
+function alwaysThrowRuleValidationFn(/* _options: AlwaysThrowRuleOptions, _packageContext: PackagelintValidationContext, */): null {
   throw new Error('This rule will always throw an error');
 }
 

packages/core/src/rules/nvmrc/nvmrc.ts

@@ -1,7 +1,7 @@
 import fs from 'fs';
 import semver from 'semver';
 
-import { PackagelintRuleDefinition, PackagelintValidationContext } from '@packagelint/types';
+import { PackagelintRuleDefinition, PackagelintValidationFn } from '@packagelint/types';
 
 const { readFile } = fs.promises;
 
@@ -10,28 +10,10 @@ export type NvmrcRuleOptions = {
   version: string;
 };
 
-const nvmrcRuleDefinition: PackagelintRuleDefinition<NvmrcRuleOptions> = {
-  name: 'nvmrc',
-  docs: {
-    description: 'Require a .nvmrc file, maybe with a specific version range',
-    url: 'https://github.com/spautz/packagelint',
-  },
-  defaultOptions: {
-    fileName: '.nvmrc',
-    version: '>=10',
-  },
-  messages: {
-    fileNotFound: '{{fileName}} not found',
-    invalidNvmrc: 'Invalid {{fileName}}: must contain a version number',
-    invalidVersion: 'Invalid Node version in {{fileName}}: must match "{{version}}"',
-  },
-  doValidation: nvmrcRuleValidation,
-};
-
-async function nvmrcRuleValidation(
-  options: NvmrcRuleOptions,
-  packageContext: PackagelintValidationContext,
-) {
+const nvmrcRuleValidation: PackagelintValidationFn<NvmrcRuleOptions> = async (
+  options,
+  packageContext,
+) => {
   const { fileName, version } = options;
   const { findFileUp, createErrorToReturn, setErrorData } = packageContext;
 
@@ -52,6 +34,24 @@ async function nvmrcRuleValidation(
   }
 
   return null;
-}
+};
+
+const nvmrcRuleDefinition: PackagelintRuleDefinition<NvmrcRuleOptions> = {
+  name: 'nvmrc',
+  docs: {
+    description: 'Require a .nvmrc file, maybe with a specific version range',
+    url: 'https://github.com/spautz/packagelint',
+  },
+  defaultOptions: {
+    fileName: '.nvmrc',
+    version: '>=10',
+  },
+  messages: {
+    fileNotFound: '{{fileName}} not found',
+    invalidNvmrc: 'Invalid {{fileName}}: must contain a version number',
+    invalidVersion: 'Invalid Node version in {{fileName}}: must match "{{version}}"',
+  },
+  doValidation: nvmrcRuleValidation,
+};
 
 export { nvmrcRuleDefinition, nvmrcRuleValidation };

packages/packagelint-cli/package.json

@@ -24,7 +24,7 @@
     "*.md"
   ],
   "engines": {
-    "node": "^12 || >=14"
+    "node": "^12 || ^14 || ^15 || ^16 || ^17"
   },
   "preferGlobal": true,
   "bin": {
@@ -44,7 +44,8 @@
     "____ INDIVIDUAL COMMANDS ___________________________________________": "",
     "format": "prettier --write .",
     "format:verify": "prettier --list-different .",
-    "lint": "tsdx lint . --max-warnings 0",
+    "lint": "eslint . --max-warnings 0",
+    "lint:fix": "eslint . --fix --max-warnings 0",
     "release:changelog": "standard-version --skip.commit --skip.tag --release-as "
   },
   "dependencies": {

packages/packagelint/bin/packagelint.js

@@ -16,9 +16,9 @@ const onFatalError = (...args) => {
 
   const { packagelintCli } = require('../lib-dist/cli');
   try {
-    const [exitCode, validationOutput] = await packagelintCli(process.argv);
+    const [exitCode, validationOutput, error] = await packagelintCli(process.argv);
 
-    console.log('packagelintCli() ', exitCode, validationOutput);
+    console.log('packagelintCli() ', exitCode, validationOutput, error);
 
     process.exitCode = exitCode;
   } catch (e) {

packages/packagelint/lib-src/api.ts

@@ -1,5 +1,5 @@
 import findUp from 'find-up';
-import { PackagelintUserConfig } from '@packagelint/types';
+import { PackagelintOutput, PackagelintUserConfig } from '@packagelint/types';
 
 import { prepareConfig } from './prepare';
 import { validatePreparedConfig } from './validate';
@@ -13,13 +13,13 @@ export * from './exitCodes';
 export * from './util';
 
 async function findPackagelintConfigFile(
-  configFileName: string = '.packagelint.js',
+  configFileName = '.packagelint.js',
   pathToSearchFrom: string = process.cwd(),
 ): Promise<string | undefined> {
   return findUp(configFileName, { cwd: pathToSearchFrom });
 }
 
-async function runPackagelint(userConfig: PackagelintUserConfig) {
+async function runPackagelint(userConfig: PackagelintUserConfig): Promise<PackagelintOutput> {
   const preparedConfig = await prepareConfig(userConfig);
   const validationOutput = await validatePreparedConfig(preparedConfig);
   return validationOutput;