Mocha/Vitest/Migrate Config

Made for

Mocha

Last update

Jan 10, 2025

Run this codemod to upgrade configuration files that need to be changed after migrating from mocha to vitest.

Example

`package.json`

Before

{
  "name": "package-name",
  "dependencies": {
    "mocha": "^10.2.0",
    "some-mocha-plugin": "^10.0.4"
  },
  "devDependencies": {
    "mocha": "^10.2.0",
    "@types/mocha": "^10.0.4"
  },
  "main": "./dist/index.cjs",
  "scripts": {
    "test": "mocha"
  },
  "mocha": {
    "config-key": "config-value"
  },
  "files": ["README.md", ".codemodrc.json", "./dist/index.cjs"],
  "type": "module"
}

After

{
  "name": "package-name",
  "dependencies": {},
  "devDependencies": {
    "vitest": "^1.0.1",
    "@vitest/coverage-v8": "^1.0.1"
  },
  "main": "./dist/index.cjs",
  "scripts": {
    "test": "vitest run",
    "coverage": "vitest run --coverage"
  },
  "files": ["README.md", ".codemodrc.json", "./dist/index.cjs"],
  "type": "module"
}

`tsconfig.json`

Before

{
  "compilerOptions": { "types": ["mocha"] },
  "include": [
    "./src/**/*.ts",
    "./src/**/*.js",
    "./test/**/*.ts",
    "./test/**/*.js"
  ]
}

After

{
  "compilerOptions": {},
  "include": [
    "./src/**/*.ts",
    "./src/**/*.js",
    "./test/**/*.ts",
    "./test/**/*.js"
  ]
}

`.mocharc`

Before

{
  "loader": ["ts-node/esm"],
  "full-trace": true,
  "failZero": false,
  "bail": true,
  "spec": "./**/test.ts",
  "timeout": 5000
}

After

Removed

Run this codemod to upgrade configuration files that need to be changed after migrating from mocha to vitest.

Example

`package.json`

Before

{
  "name": "package-name",
  "dependencies": {
    "mocha": "^10.2.0",
    "some-mocha-plugin": "^10.0.4"
  },
  "devDependencies": {
    "mocha": "^10.2.0",
    "@types/mocha": "^10.0.4"
  },
  "main": "./dist/index.cjs",
  "scripts": {
    "test": "mocha"
  },
  "mocha": {
    "config-key": "config-value"
  },
  "files": ["README.md", ".codemodrc.json", "./dist/index.cjs"],
  "type": "module"
}

After

{
  "name": "package-name",
  "dependencies": {},
  "devDependencies": {
    "vitest": "^1.0.1",
    "@vitest/coverage-v8": "^1.0.1"
  },
  "main": "./dist/index.cjs",
  "scripts": {
    "test": "vitest run",
    "coverage": "vitest run --coverage"
  },
  "files": ["README.md", ".codemodrc.json", "./dist/index.cjs"],
  "type": "module"
}

`tsconfig.json`

Before

{
  "compilerOptions": { "types": ["mocha"] },
  "include": [
    "./src/**/*.ts",
    "./src/**/*.js",
    "./test/**/*.ts",
    "./test/**/*.js"
  ]
}

After

{
  "compilerOptions": {},
  "include": [
    "./src/**/*.ts",
    "./src/**/*.js",
    "./test/**/*.ts",
    "./test/**/*.js"
  ]
}

`.mocharc`

Before

{
  "loader": ["ts-node/esm"],
  "full-trace": true,
  "failZero": false,
  "bail": true,
  "spec": "./**/test.ts",
  "timeout": 5000
}

After

Removed

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