doctrine vs jsdoc vs acorn vs esprima
JavaScript Parsing and Documentation Tools
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JavaScript Parsing and Documentation Tools

These packages serve distinct purposes in the JavaScript ecosystem, focusing on parsing, analyzing, and documenting JavaScript code. Acorn is a fast, lightweight JavaScript parser that can handle ECMAScript 6 and beyond, making it ideal for building tools that require syntax analysis. Doctrine is a library for parsing JSDoc comments, enabling developers to extract and manipulate documentation metadata from their code. Esprima is a high-performance, standard-compliant JavaScript parser that generates an abstract syntax tree (AST) for further analysis, making it suitable for static code analysis and transformation tools. JSDoc is a documentation generator that converts comments in your JavaScript code into HTML documentation, enhancing code maintainability and usability.

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doctrine96,891,246459-07 years agoApache-2.0
jsdoc2,854,48015,4211.47 MB4545 months agoApache-2.0
acorn011,334559 kB1519 days agoMIT
esprima07,133-1498 years agoBSD-2-Clause

Feature Comparison: doctrine vs jsdoc vs acorn vs esprima

Parsing Capability

  • doctrine:

    Doctrine focuses specifically on parsing JSDoc comments, allowing developers to extract structured information from documentation comments seamlessly. It does not parse JavaScript code itself but rather the comments associated with it.

  • jsdoc:

    JSDoc does not parse JavaScript code but rather processes comments within the code to generate documentation. It transforms JSDoc comments into well-structured HTML documentation, focusing on usability and clarity.

  • acorn:

    Acorn is designed for speed and efficiency, providing a minimalistic approach to parsing JavaScript code. It supports the latest ECMAScript features, making it suitable for modern JavaScript applications and tools.

  • esprima:

    Esprima is a full-fledged JavaScript parser that adheres to the ECMAScript standards. It generates a detailed abstract syntax tree (AST), making it ideal for tools that require in-depth analysis of JavaScript code structures.

Performance

  • doctrine:

    Doctrine is lightweight and efficient for parsing JSDoc comments, but its performance is contingent on the complexity of the comments being parsed rather than the JavaScript code itself.

  • jsdoc:

    JSDoc's performance is primarily dependent on the size of the codebase and the complexity of the comments. It efficiently generates documentation but may take longer with extensive comments.

  • acorn:

    Acorn is known for its high performance and low memory usage, making it suitable for applications that require fast parsing of large JavaScript files or real-time analysis.

  • esprima:

    Esprima is optimized for performance and can handle large codebases effectively. However, it may not be as fast as Acorn due to its comprehensive parsing capabilities.

Use Cases

  • doctrine:

    Best suited for projects that heavily utilize JSDoc for documentation, Doctrine allows developers to extract and manipulate documentation metadata for better code understanding and maintenance.

  • jsdoc:

    JSDoc is specifically designed for generating documentation from JavaScript code comments, making it essential for projects that prioritize maintainable and user-friendly documentation.

  • acorn:

    Ideal for building tools that require fast parsing, such as linters, compilers, or code transformation utilities, Acorn is versatile for various JavaScript tooling needs.

  • esprima:

    Esprima is perfect for static analysis tools, code transformation utilities, and any application that requires a detailed understanding of JavaScript code structure through AST generation.

Community and Support

  • doctrine:

    Doctrine is less commonly used compared to other libraries but is well-supported within the context of JSDoc. It benefits from the larger JSDoc community for documentation-related queries.

  • jsdoc:

    JSDoc has a large user base and extensive documentation, providing ample resources for developers looking to implement documentation generation in their projects.

  • acorn:

    Acorn has a strong community and is widely used in various JavaScript tools, ensuring good support and regular updates. Its simplicity makes it easy to integrate into projects.

  • esprima:

    Esprima has a robust community and is frequently updated to align with the latest ECMAScript standards, making it a reliable choice for developers needing a compliant parser.

Extensibility

  • doctrine:

    Doctrine is focused on JSDoc parsing and does not offer extensive extensibility options, but it can be integrated into larger documentation workflows.

  • jsdoc:

    JSDoc supports plugins and custom templates, enabling developers to extend its functionality and tailor the generated documentation to meet specific project requirements.

  • acorn:

    Acorn is designed to be extensible, allowing developers to create custom plugins and features tailored to specific parsing needs, enhancing its functionality.

  • esprima:

    Esprima can be extended through its AST, allowing developers to build custom analysis tools or transformations based on the generated syntax tree.

How to Choose: doctrine vs jsdoc vs acorn vs esprima

  • doctrine:

    Opt for Doctrine when you need to parse JSDoc comments specifically, allowing you to extract and utilize documentation metadata effectively in your projects.

  • jsdoc:

    Use JSDoc if your primary goal is to generate documentation from your JavaScript code comments, providing a straightforward way to create user-friendly documentation.

  • acorn:

    Choose Acorn if you need a fast and efficient JavaScript parser that supports modern ECMAScript features and is lightweight for building custom tools or compilers.

  • esprima:

    Select Esprima for a comprehensive and standards-compliant parsing solution that generates an AST, making it suitable for static analysis and tooling that requires deep code inspection.

Similar Npm Packages to doctrine

doctrine is a JavaScript library used for parsing and interpreting JSDoc comments. It provides a way to extract structured information from comments in JavaScript code, enabling developers to generate documentation or perform static analysis. By leveraging doctrine, developers can easily work with JSDoc annotations, making it a valuable tool for projects that rely on JSDoc for documentation purposes. While doctrine is a powerful option for parsing JSDoc comments, there are other libraries in the JavaScript ecosystem that serve related purposes. Here are a few alternatives:

  • acorn is a small, fast, and efficient JavaScript parser that can be used to parse JavaScript code into an Abstract Syntax Tree (AST). While it is not specifically designed for parsing JSDoc comments, it can be extended to analyze JavaScript code and extract comments, including JSDoc annotations. If you need a lightweight parser for JavaScript that can be customized for various needs, acorn is a great choice.
  • esprima is another popular JavaScript parser that produces an AST from JavaScript code. Like acorn, esprima is not specifically focused on JSDoc but can be used to analyze JavaScript code and extract comments. It is known for its compliance with the ECMAScript specification and is widely used in various tools and libraries. If you require a robust and standards-compliant parser for JavaScript, esprima is an excellent option.
  • jsdoc is a documentation generator for JavaScript that parses JSDoc comments and generates HTML documentation. While it is not a direct alternative to doctrine for parsing comments, it serves a similar purpose by working with JSDoc annotations to create comprehensive documentation for JavaScript projects. If your primary goal is to generate documentation from JSDoc comments, using jsdoc is the way to go.

To see how doctrine compares with acorn, esprima, and jsdoc, check out the comparison: Comparing acorn vs doctrine vs esprima vs jsdoc.

Similar Npm Packages to jsdoc

jsdoc is a popular documentation generator for JavaScript projects. It allows developers to create comprehensive and structured documentation directly from the comments in their source code. By using JSDoc annotations, developers can provide detailed descriptions of functions, classes, and methods, which can then be transformed into HTML documentation. This tool is widely used in the JavaScript community due to its simplicity and effectiveness in generating documentation that is easy to navigate and understand.

While JSDoc is a powerful tool, there are several alternatives available that cater to different needs and preferences:

  • documentation is a documentation generator that focuses on simplicity and ease of use. It parses your JavaScript code and generates documentation in various formats, including HTML and Markdown. Unlike JSDoc, which relies heavily on comments, documentation can also infer information from the code itself, making it a good choice for projects where comments may be sparse. It is particularly useful for developers looking for a straightforward solution to generate clean and readable documentation.

  • esdoc is another documentation generator that is specifically designed for ES6 (ECMAScript 2015) and later versions. It provides a rich set of features, including support for plugins, automatic API documentation generation, and the ability to generate documentation in multiple formats. esdoc is ideal for projects that utilize modern JavaScript features and require a robust documentation solution that can keep pace with the evolving language.

  • typedoc is a documentation generator for TypeScript projects. It extracts type information from TypeScript code and generates documentation that reflects the types and interfaces used in the codebase. If you are working on a TypeScript project and want to leverage the type information to create comprehensive documentation, typedoc is the best choice. It provides a seamless integration with TypeScript, ensuring that your documentation is always up to date with the code.

To see how these packages compare, check out the comparison: Comparing documentation vs esdoc vs jsdoc vs typedoc.

Similar Npm Packages to acorn

acorn is a small, fast, and efficient JavaScript parser written in JavaScript. It is designed to parse ECMAScript (JavaScript) code and generate an Abstract Syntax Tree (AST) that can be used for various purposes, such as code analysis, transformation, or linting. Acorn is known for its speed and flexibility, making it a popular choice among developers who need a lightweight solution for parsing JavaScript.

While Acorn is a powerful tool, there are alternatives available that also serve the purpose of parsing JavaScript code. Here are a couple of notable alternatives:

  • esprima is another popular JavaScript parser that is known for its compliance with the ECMAScript specification. It generates a comprehensive AST and is often used in tools that require a deep understanding of JavaScript syntax. Esprima is particularly valued for its accuracy and adherence to the latest ECMAScript standards. If you need a parser that strictly follows the ECMAScript specification and provides detailed error reporting, Esprima is a solid choice.
  • typescript is primarily known as a superset of JavaScript that adds static typing to the language. However, it also includes a powerful parser that can analyze and transform JavaScript and TypeScript code. TypeScript's parser is particularly useful if you are working in a TypeScript environment or need to handle both TypeScript and JavaScript codebases. Its type-checking capabilities can help catch errors early in the development process, making it a great option for larger projects.

To see how Acorn compares with Esprima and TypeScript, check out the comparison: Comparing acorn vs esprima vs typescript.

Similar Npm Packages to esprima

esprima is a high-performance, standard-compliant JavaScript parser that can analyze JavaScript code and produce an Abstract Syntax Tree (AST). It is widely used in various tools and libraries for tasks such as code analysis, linting, and transformation. Esprima is known for its speed and accuracy, making it a popular choice among developers who need to parse JavaScript code efficiently.

While Esprima is a powerful tool, there are alternatives that also serve the purpose of parsing JavaScript. Here are a couple of notable options:

  • acorn is a small, fast, and efficient JavaScript parser that is designed to be easy to extend. It is particularly well-suited for projects that require a lightweight solution for parsing JavaScript. Acorn supports the latest ECMAScript features and can be easily integrated into various tools and workflows. Its modular architecture allows developers to customize the parser to fit their specific needs, making it a flexible option for those who want to create their own tools or integrate parsing capabilities into existing projects.

  • typescript is primarily known as a superset of JavaScript that adds static typing to the language. However, TypeScript also includes a powerful compiler that can parse JavaScript code and produce an AST. This makes it a viable alternative for projects that already use TypeScript and want to leverage its parsing capabilities. TypeScript's parser is designed to handle modern JavaScript features and provides type information, which can be beneficial for developers looking to perform static analysis or transformations on their code.

To explore how Esprima compares with Acorn and TypeScript, check out the comparison: Comparing acorn vs esprima vs typescript.

README for doctrine

NPM version build status Test coverage Downloads Join the chat at https://gitter.im/eslint/doctrine

Doctrine

Doctrine is a JSDoc parser that parses documentation comments from JavaScript (you need to pass in the comment, not a whole JavaScript file).

Installation

You can install Doctrine using npm:

$ npm install doctrine --save-dev

Doctrine can also be used in web browsers using Browserify.

Usage

Require doctrine inside of your JavaScript:

var doctrine = require("doctrine");

parse()

The primary method is parse(), which accepts two arguments: the JSDoc comment to parse and an optional options object. The available options are:

  • unwrap - set to true to delete the leading /**, any * that begins a line, and the trailing */ from the source text. Default: false.
  • tags - an array of tags to return. When specified, Doctrine returns only tags in this array. For example, if tags is ["param"], then only @param tags will be returned. Default: null.
  • recoverable - set to true to keep parsing even when syntax errors occur. Default: false.
  • sloppy - set to true to allow optional parameters to be specified in brackets (@param {string} [foo]). Default: false.
  • lineNumbers - set to true to add lineNumber to each node, specifying the line on which the node is found in the source. Default: false.
  • range - set to true to add range to each node, specifying the start and end index of the node in the original comment. Default: false.

Here's a simple example:

var ast = doctrine.parse(
    [
        "/**",
        " * This function comment is parsed by doctrine",
        " * @param {{ok:String}} userName",
        "*/"
    ].join('\n'), { unwrap: true });

This example returns the following AST:

{
    "description": "This function comment is parsed by doctrine",
    "tags": [
        {
            "title": "param",
            "description": null,
            "type": {
                "type": "RecordType",
                "fields": [
                    {
                        "type": "FieldType",
                        "key": "ok",
                        "value": {
                            "type": "NameExpression",
                            "name": "String"
                        }
                    }
                ]
            },
            "name": "userName"
        }
    ]
}

See the demo page more detail.

Team

These folks keep the project moving and are resources for help:

Contributing

Issues and pull requests will be triaged and responded to as quickly as possible. We operate under the ESLint Contributor Guidelines, so please be sure to read them before contributing. If you're not sure where to dig in, check out the issues.

Frequently Asked Questions

Can I pass a whole JavaScript file to Doctrine?

No. Doctrine can only parse JSDoc comments, so you'll need to pass just the JSDoc comment to Doctrine in order to work.

License

doctrine

Copyright JS Foundation and other contributors, https://js.foundation

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

esprima

some of functions is derived from esprima

Copyright (C) 2012, 2011 Ariya Hidayat (twitter: @ariyahidayat) and other contributors.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

  • Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

  • Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

closure-compiler

some of extensions is derived from closure-compiler

Apache License Version 2.0, January 2004 http://www.apache.org/licenses/

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