Language Support
- eslint:
ESLintis primarily focused on JavaScript linting but also supports TypeScript through additional plugins. It is highly versatile and can be configured to lint various JavaScript dialects, including ES6, JSX, and more. ESLint's extensibility allows it to adapt to different languages and frameworks. - @typescript-eslint/eslint-plugin:
@typescript-eslint/eslint-pluginprovides linting support for TypeScript code, allowing you to enforce TypeScript-specific rules and best practices alongside general JavaScript linting. It is designed to work seamlessly with ESLint and enhances its capabilities for TypeScript projects. - tslint:
TSLintwas a linting tool specifically designed for TypeScript code. It provided rules and checks tailored for TypeScript, but it has been deprecated in favor of@typescript-eslint, which integrates TypeScript linting into the ESLint ecosystem. - jshint:
JSHintis a linting tool for JavaScript that focuses on identifying potential issues in code. It does not support TypeScript or other languages. JSHint is best suited for traditional JavaScript projects and provides configurable rules to catch common coding mistakes. - jslint:
JSLintis a JavaScript-only linting tool that enforces a strict set of coding standards. It does not support TypeScript or other languages. JSLint is known for its opinionated approach and is best used in projects where adherence to specific coding conventions is required.
Configurability
- eslint:
ESLintis highly configurable, allowing developers to define their own rules, set severity levels, and create custom configurations. It supports configuration files in various formats (JSON, YAML, JavaScript) and allows for per-directory or per-file rule overrides, making it one of the most flexible linting tools available. - @typescript-eslint/eslint-plugin:
@typescript-eslint/eslint-pluginallows for extensive configurability of TypeScript linting rules within the ESLint framework. You can customize rules, set severity levels, and create configuration files to suit your project's needs. It also supports combining TypeScript rules with existing ESLint rules for a more comprehensive linting setup. - tslint:
TSLintwas configurable, allowing users to enable or disable specific rules and set up configuration files. However, it lacked the flexibility and extensibility of ESLint, which is why it has been deprecated in favor of the@typescript-eslintproject, which offers better configurability within the ESLint framework. - jshint:
JSHintoffers a moderate level of configurability, allowing users to enable or disable specific rules and set configuration options through a single file. However, it is less flexible than ESLint in terms of creating custom rules or plugins. JSHint's simplicity makes it easy to configure, but it lacks the depth of customization found in more modern linting tools. - jslint:
JSLintis not configurable; it enforces a strict set of rules defined by its creator, Douglas Crockford. Users cannot change the rules or customize the linting process, which makes JSLint more of a tool for enforcing a specific coding style rather than a flexible linting solution. Its rigidity can be a drawback for teams that want to adapt the tool to their coding standards.
Integration with Build Tools
- eslint:
ESLintintegrates well with various build tools, task runners, and CI/CD pipelines. It can be easily incorporated into workflows using tools like Webpack, Gulp, Grunt, and npm scripts. ESLint also has plugins for popular IDEs and text editors, providing real-time linting feedback during development. - @typescript-eslint/eslint-plugin:
@typescript-eslint/eslint-pluginintegrates seamlessly with ESLint, allowing it to be used alongside other ESLint plugins and tools. It can be easily integrated into build processes, CI/CD pipelines, and code editors to enforce TypeScript linting rules automatically. - tslint:
TSLintintegrated well with build tools and CI/CD pipelines, allowing for automated linting of TypeScript code as part of the build process. However, since TSLint has been deprecated, it is recommended to use@typescript-eslintfor TypeScript linting in modern workflows. - jshint:
JSHintcan be integrated into build processes and CI/CD pipelines, but it is less commonly used in modern workflows compared to ESLint. JSHint can be run as part of automated testing scripts to ensure code quality before deployment. - jslint:
JSLintcan be integrated into build processes and CI/CD pipelines, but it is typically used as a standalone tool. Its strict nature makes it suitable for pre-commit hooks or automated checks to ensure code quality before merging changes.
Community and Ecosystem
- eslint:
ESLinthas a large and active community, making it one of the most popular linting tools for JavaScript and TypeScript. It has a rich ecosystem of plugins, rules, and integrations, which are continuously maintained and updated by the community. ESLint's popularity ensures a wealth of resources, documentation, and support for developers. - @typescript-eslint/eslint-plugin:
@typescript-eslint/eslint-pluginis part of the larger ESLint ecosystem and has a growing community of contributors. It is actively maintained and regularly updated to support the latest TypeScript features and best practices. The plugin benefits from the extensive ecosystem of ESLint, including third-party plugins and integrations. - tslint:
TSLinthad a strong community during its active development, but it has been deprecated in favor of@typescript-eslint. The community has largely migrated to the new project, which offers better support for TypeScript linting within the ESLint ecosystem. - jshint:
JSHinthas a smaller but dedicated community. It is actively maintained, but its popularity has declined in favor of more modern tools like ESLint. JSHint still has a loyal user base and provides good documentation and support for those who prefer its simplicity. - jslint:
JSLinthas a niche community, primarily around its creator, Douglas Crockford. It is not actively developed, and its usage has declined with the rise of more flexible and configurable linting tools. JSLint is still respected for its simplicity and effectiveness in enforcing coding standards, but it lacks the community-driven development of more modern tools.
Ease of Use: Code Examples
- eslint:
JavaScript linting with
ESLintnpm install --save-dev eslint// .eslintrc.json { "extends": "eslint:recommended", "rules": { "no-console": "warn" } }// example.js console.log("Hello, world!");npx eslint example.js - @typescript-eslint/eslint-plugin:
TypeScript linting with
@typescript-eslint/eslint-pluginnpm install --save-dev eslint @typescript-eslint/parser @typescript-eslint/eslint-plugin// .eslintrc.json { "parser": "@typescript-eslint/parser", "extends": ["eslint:recommended", "plugin:@typescript-eslint/recommended"], "rules": { "@typescript-eslint/no-explicit-any": "warn" } }// example.ts const example: any = "Hello, world!"; console.log(example);npx eslint example.ts - tslint:
TypeScript linting with
TSLintnpm install --save-dev tslint// tslint.json { "extends": "tslint:recommended", "rules": { "no-console": true } }// example.ts const x: number = 10; console.log(x);npx tslint example.ts - jshint:
JavaScript linting with
JSHintnpm install --save-dev jshint// .jshintrc { "esversion": 6, "node": true, "browser": true }// example.js var x = 10; console.log(x);npx jshint example.js - jslint:
JavaScript linting with
JSLintnpm install --save-dev jslint// example.js "use strict"; var x = 10; console.log(x);npx jslint example.js
