feat(vitest): support vitest

Author: djMax

src/eslint.ts

@@ -1,3 +1,5 @@
+import { hasPackage } from './has-package';
+
 export const eslintRc = {
   root: true,
   env: {
@@ -10,7 +12,7 @@ export const eslintRc = {
     'plugin:import/typescript',
     'prettier',
   ],
-  plugins: ['jest'],
+  plugins: hasPackage('jest') ? ['jest'] : [],
   parserOptions: {
     project: './tsconfig.json',
     sourceType: 'module',

src/has-package.ts

@@ -0,0 +1,8 @@
+export function hasPackage(name: string) {
+  try {
+    require.resolve(name);
+    return true;
+  } catch (error) {
+    return false;
+  }
+}

src/index.ts

@@ -5,28 +5,44 @@ import type { CoConfigPassthroughEntry } from 'coconfig';
 
 import { tsconfig, tsconfigBuild } from './tsconfig';
 import { jestConfig } from './jest';
+import { vitestConfig } from './vitest';
 import { prettierConfig } from './prettier';
 import { eslintRc } from './eslint';
 import { commitLint } from './commitlint';
+import { hasPackage } from './has-package';
 
 interface OtiCoConfig {
   '.eslintignore': string,
   '.npmignore': string,
   'tsconfig.json': CoConfigPassthroughEntry<typeof tsconfig>,
   'tsconfig.build.json': CoConfigPassthroughEntry<typeof tsconfigBuild>,
-  'jest.config.js': CoConfigPassthroughEntry,
+  'jest.config.js'?: CoConfigPassthroughEntry,
+  'vitest.config.ts'?: CoConfigPassthroughEntry,
   '.prettierrc.js': CoConfigPassthroughEntry,
   '.eslintrc.js': CoConfigPassthroughEntry,
   '.commitlintrc.json': CoConfigPassthroughEntry,
 }
 
-export const config: OtiCoConfig = {
+const baseConfig: OtiCoConfig = {
   '.eslintignore': fs.readFileSync(path.resolve(__dirname, '../templates/eslintignore'), 'utf8'),
   '.npmignore': fs.readFileSync(path.resolve(__dirname, '../templates/npmignore'), 'utf8'),
   'tsconfig.json': { configuration: tsconfig, stringify: true },
   'tsconfig.build.json': { configuration: tsconfigBuild, stringify: true },
-  'jest.config.js': { configuration: jestConfig },
   '.prettierrc.js': { configuration: prettierConfig },
   '.eslintrc.js': { configuration: eslintRc },
   '.commitlintrc.json': { configuration: commitLint, stringify: true },
 };
+
+if (hasPackage('jest')) {
+  Object.assign(baseConfig, {
+    'jest.config.js': { configuration: jestConfig },
+  });
+}
+
+if (hasPackage('vitest')) {
+  Object.assign(baseConfig, {
+    'vitest.config.ts': { configuration: vitestConfig },
+  });
+}
+
+export const config = baseConfig;

src/jest.ts

@@ -7,5 +7,5 @@ export const jestConfig: JestConfigWithTsJest = {
   testRegex: '(\\.|/)(test|spec)\\.[jt]sx?$',
   moduleNameMapper: {
     '^@/(.*)$': '<rootDir>/$1'
-  }
+  },
 };

src/tsconfig.ts

@@ -1,5 +1,5 @@
 export const tsconfig = {
-  include: ['@types/**/*', 'src/**/*', '__tests__/**/*', '__mocks__/**/*', 'coconfig.ts'],
+  include: ['@types/**/*', 'src/**/*', '__tests__/**/*', '__mocks__/**/*', 'coconfig.ts', 'vitest.config.ts'],
   exclude: ['node_modules', 'build'],
   'ts-node': {
     transpileOnly: true,

src/vitest.ts

@@ -0,0 +1,11 @@
+export function vitestConfig() {
+  // eslint-disable-next-line @typescript-eslint/no-var-requires
+  const { configDefaults, defineConfig } = require('vitest/config');
+
+  return defineConfig({
+    test: {
+      watch: false,
+      exclude: ['.trunk', ...configDefaults.exclude],
+    },
+  });
+}