ESDoc

ESDoc is a good documentation generator for JavaScript.

Features

  • Generates good documentation.
  • Measures documentation coverage.
  • Integrate test codes into documentation.
  • Integrate manual into documentation.
  • Parse ECMAScript proposals.
  • ESDoc Hosting Service

Users

And more.

Quick Start

# install ESDoc from npm
npm install -g esdoc

# move to a your project directory
cd your-project/

# write a configuration file.
echo '{"source": "./src", "destination": "./doc"}' > .esdoc.json

# run ESDoc
esdoc

# see a documentation
open ./doc/index.html

License

MIT

Author

Ryo [email protected]

Usage

Usage

Installation

Install ESDoc from npm.

# install to a global
npm install --global esdoc
esdoc -h

# install to a project
cd your-project/
npm install --save-dev esdoc
./node_modules/.bin/esdoc -h

If you want to use latest developing version, you can install from GitHub.

git clone [email protected]:esdoc/esdoc.git
cd esdoc/
npm install
npm run test
npm run build
npm install --global ./
esdoc -h

Configuration

The minimum configuration is the following JSON. All configurations are here.

.esdoc.json

{
  "source": "./src",
  "destination": "./doc"
}

ESDoc automatically finds the configuration file path by the order, if you don't specify -c esdoc.json.

  1. .esdoc.json in the current directory
  2. .esdoc.js in the current directory
  3. esdoc property in package.json

Writing Tags

ESDoc supports some documentation tags(aka. jsdoc tags). All tags are here.

/**
 * this is MyClass.
 */
export default class MyClass {
  /**
   * @param {number} a - this is a value.
   * @param {number} b - this is a value.
   * @return {number} result of the sum value.
   */
  sum(a, b){
    return a + b;
  }
}

And run ESDoc.

esdoc
open ./doc/index.html

Features

Features

ESDoc has some useful features.

Automatically Features

Optional Features

Other Features

ES2015 Class

ESDoc supports ES2015 Class syntax and targets codes that are written by it.

ES2015 Class syntax makes the clear relation of class, method, member, constructor and inheritance.
This means that ESDoc can generate a document without using a tag for these. In other words, you don't need to write tags for classes.

ESDoc automatically generates the under contents by Class syntax.

  • Super classes
  • Direct Subclasses and Indirect Subclasses.
  • Inherited methods and members from super class.
  • Override methods and members from super class.

Note: ESDoc doesn't support prototype base codes and function base codes.

ES2015 Module

ESDoc supports ES2015 Modules syntax and targets codes that are written by it.
ES2015 Modules syntax is file base. So ESDoc treats as one file = one module.

ESDoc displays a import style in accordance with the export style.

  • If export default class Foo{}, displays import Foo from './Foo.js' in Foo class documentation.
  • If export class Foo{}, displays import {Foo} from './Foo.js'in Foo class documentation.

This is useful because you not need to see export style in source code.

And you may as well as use esdoc-importpath-plugin to transform path.

Note: ESDoc doesn't support module/require of Node.js.

Built-in Search Documentation

ESDoc supports built-in searching in document with only JavaScript(without server implementation).

The implementation of searching:

  • ESDoc made the index(JSON) at the time of document generation.
  • The user search from the index.

Note: This implementation is very naive. There might be a problem in search performance. For now, no problem in 500 indexes.

Guess Type of Variables

ESDoc guesses type of variables using codes if those have no @param.

The following variables are supported.

  • A class type using class syntax(ES2015).
  • A method/function arguments type using default argument syntax(ES2015).
  • A property type using assignment value.
  • A return type using return value.

Note: This implementation is very simple. So ESDoc guesses only primitive values(number, boolean, string).

Documentation Coverage

ESDoc measures a documentation coverage. This is useful information for the following.

  • This leads the motivation of documentation.
  • This inspects a missing of documentation.

ESDoc processes only top-level class, function and variable.
This is based on, ESDoc measures coverage by how much the document is being written out of all the processing target.
And, ESDoc is also to measure coverage of each module, you will have become easier to also find a missing of the document.

For example, this is coverage of ESDoc itself.

If you want to disable coverage, you need to specify false at configuration.

{
  "source": "./path/to/src",
  "destination": "./path/to/esdoc",
  "coverage": false
}

Documentation Lint

If documentation is invalid, ESDoc shows warning log.

export default class Foo {
  /**
   * @param {number} x
   */
  method(p){}
}

If you want to disable this lint, you need to specify false at configuration.

{
  "source": "./path/to/src",
  "destination": "./path/to/esdoc",
  "lint": false
}

Note: For now, ESDoc lints only method/function signature.

Integration Test Codes

Test codes are important information.
So, ESDoc generates a cross reference of test codes and document.

You need to write configurations.

{
  "source": "./src",
  "destination": "./doc",
  "test": {
    "type": "mocha",
    "source": "./test"
  }
}

And write @test tag.

/** @test {MyClass} */
describe('MyClass is super useful class.', ()=>{

  /** @test {MyClass#sayMyName} */
  it('say my name', ()=>{
    let foo = new MyClass('Alice');
    assert.equal(foo.sayMyName(), 'My name is Alice');
  })
});

Note: For now, ESDoc supports only Mocha style(describe/it).

Integration Manual

You can integrate a manual of a your project into documentation. The manual is:

  • Overview
  • Design
  • Installation
  • Usage
  • Tutorial
  • Configuration
  • Example
  • Advanced
  • FAQ
  • Changelog

You need to write configurations. All configurations are here.

{
  "source": "./src",
  "destination": "./doc",
  "manual": {
    "overview": ["./manual/overview.md"],
    "usage": ["./manual/usage.md"],
    "example": ["./manual/example.md"]
  }
}

And write manual file using markdown.

# Overview
This is my project overview.
...

Note: ESDoc doesn't support free-style manual sections.

If you want to use asset(image) for manual, you can specify asset directory path.

{
  "source": "./src",
  "destination": "./doc",
  "manual": {
    "asset": "./manual/asset",
    "overview": ["./manual/overview.md"],
    "usage": ["./manual/usage.md"],
    "example": ["./manual/example.md"]
  }
}

If you want to write index of manual, you can specify index file path.

{
  "source": "./src",
  "destination": "./doc",
  "manual": {
    "index": "./manual/index.md",
    "asset": "./manual/asset",
    "overview": ["./manual/overview.md"],
    "usage": ["./manual/usage.md"],
    "example": ["./manual/example.md"]
  }
}

If you want to use manual as documentation index, you can specify global index.

{
  "source": "./src",
  "destination": "./doc",
  "manual": {
    "globalIndex": true,
    "index": "./manual/index.md",
    "asset": "./manual/asset",
    "overview": ["./manual/overview.md"],
    "usage": ["./manual/usage.md"],
    "example": ["./manual/example.md"]
  }
}

ECMAScript Proposal

ESDoc supports a part of ECMAScript Proposal that are implemented by Babel.

If you want to use this, you need to specify experimentalProposal at configuration.
All configurations are here.

{
  "source": "./src",
  "destination": "./doc",
  "experimentalProposal": {
    "classProperties": true,
    "objectRestSpread": true
  }
}

/**
 * this is Foo class.
 */
export default class Foo {
  /**
   * this is static p.
   * @type {number}
   */
  static p = 123;

  /**
   * this is p.
   * @type {number}
   */
  p = 123;

  /**
  * this is method.
  * @param {Object} config - this is config.
  * @param {number} config.x - this is number x.
  * @param {string} config.y - this is string y.
  * @param {number[]} config.a - thi is number[] a.
  * @param {string[]} config.b - thi is number[] b.
  */
  method({x, y, ...z}){}
}

Customize Documentation

If you want to customize a document, you can includes your stylesheets and scripts to the document.
And, ESDoc supports plugin feature. Please read API for more information.

ESDoc Hosting Service

ESDoc Hosting Service generates your documentation via GitHub and hosts it.

Tags

Tags

Documentation tags are similar to JSDoc tags.

e.g.

/**
 * this is MyClass description.
 * @example
 * let myClass = new MyClass();
 */
export default class MyClass {
  /**
   * this is constructor description.
   * @param {number} arg1 this is arg1 description.
   * @param {string[]} arg2 this is arg2 description.
   */ 
  constructor(arg1, arg2) {...}
}

All Tags

For Common

@access

syntax: @access <public|protected|private>

Alias are @public, @protected and @private.

/**
 * @access public
 */
class MyClass {
  /**
   * @private
   */
  _method(){...}
}

@deprecated

syntax: @deprecated [description]

/**
 * @deprecated use MyClassEx instead of this.
 */
class MyClass{...}

@desc

syntax: @desc <description>

<description> supports markdown.

Normally you don't need to use @desc, because first section in doc comment is determined automatically as @desc.

/**
 * @desc this is description.
 */
class MyClass{...}

/**
 * this is description.
 */
class MyClass{...}

@example

syntax: @example <JavaScript>

/**
 * @example
 * let myClass = new MyClass();
 * let result = myClass.foo();
 * console.log(result);
 * 
 * @example
 * let result = MyClass.bar();
 * console.log(result);
 */
class MyClass{...}

And you can use <caption>...</caption> at first line.

/**
 * @example <caption>This is caption</caption>
 * let myClass = new MyClass();
 */
class MyClass{...}

@experimental

syntax: @experimental [description]

/**
 * @experimental this class includes breaking change.
 */
class MyClass{...}

@ignore

syntax: @ignore

The identifier is not displayed in document.

/**
 * @ignore
 */
class MyClass{...}

@link

syntax: [email protected] <identifier>}

link other identifier

/**
 * this is MyClass.
 * If device spec is low, you can use [email protected] MySimpleClass}.
 */
class MyClass{...}

@see

syntax: @see <URL>

/**
 * @see http://example.com
 * @see http://example.org
 */
class MyClass{...}

@since

syntax: @since <version>

/**
 * @since 0.0.1
 */
class MyClass{...}

@todo

syntax: @todo <description>

/**
 * @todo support multi byte character.
 * @todo cache calculation result.
 */
class MyClass{...}

@version

syntax: @version <version>

/**
 * @version 1.2.3
 */
class MyClass{...}

For Class

@extends

syntax: @extends <identifier>

Normally you don't need to use @extends. because ES2015 has the Class-Extends syntax. however, you can use this tag if you want to explicitly specify.

/**
 * @extends {SuperClass1}
 * @extends {SuperClass2}
 */
class MyClass extends mix(SuperClass1, SuperClass2) {...}

@implements

syntax: @implements <identifier>

/**
 * @implements {MyInterface1}
 * @implements {MyInterface2}
 */
class MyClass {...}

@interface

syntax: @interface

/**
 * @interface
 */
class MyInterface {...}

For Method And Function

@abstract

syntax: @abstract

class MyClass {
  /**
   * this method must be overridden by sub class.
   * @abstract
   */
  method(){...}
}

@emits

syntax: @emits <identifier> [description]

class MyClass {
  /**
   * @emits {MyEvent1} emit event when foo.
   * @emits {MyEvent2} emit event when bar.
   */
  method(){...}
}

@listens

syntax: @listens <identifier> [description]

class MyClass {
  /**
   * @listens {MyEvent1} listen event because foo.
   * @listens {MyEvent2} listen event because bar.
   */
  method(){...}
}

@override

syntax: @override

class MyClass extends SuperClass {
  /**
   * @override
   */
  method(){...}
}

@param

syntax: @param <type> <name> [-] [description]

About <type> to see Type Syntax

class MyClass {
  /**
   * @param {number} p - this is p description.
   */
  method(p){...}
}

@return

syntax: @return <type> [description]

About <type> to see Type Syntax

class MyClass {
  /**
   * @return {number} this is description.
   */
  method(){...}
}

If return Object, you can use @property <type> <name> [description] for each properties.

class MyClass {
  /**
   * @return {Object} this is description.
   * @property {number} foo this is description.
   * @property {number} bar this is description.
   */
  method(){...}
}

@throws

syntax: @throws <identifier> [description]

class MyClass {
  /**
   * @throws {MyError1} throw error when foo.
   * @throws {MyError2} throw error when bar.
   */
  method(){...}
}

For Member And Variable

@type

syntax: @type <type>

About <type> to see Type Syntax

class MyClass {
  constructor() {
    /**
     * @type {number}
     */
    this.p = 123;
  }
}

If you use get/set syntax, you can specify @type.

class MyClass {
  /** @type {string} */
  get value() {}

  /** @type {string} */
  set value(v){}
}

If <type> is Object, you can use @property <type> <name> [description] for each properties.

class MyClass {
  constructor() {
    /**
     * @type {Object}
     * @property {number} p.foo
     * @property {string} p.bar
     */
    this.p = {foo: 123, bar: "abc"};
  }
}

For Virtual

@external

syntax: @external <identifier> <URL>

/**
 * @external {XMLHttpRequest} https://developer.mozilla.org/en/docs/Web/API/XMLHttpRequest
 */

@typedef

syntax: @typedef <type> <name>

About <type> to see Type Syntax

/**
 * @typedef {number|string} MyType
 */

If <type> is Object, you can use @property <type> <name> [description] for each properties.

/**
 * @typedef {Object} MyType
 * @property {number} foo this is description.
 * @property {string} bar this is description.
 */

For Test

@test

syntax: @test <identifier>

/** @test {MyClass} */
describe('MyClass has foo bar feature', ()=>{

  /** @test {MyClass#baz} */
  it('MyClass#baz returns magic value', ()=>{
    assert(true);
  });
});

Type Syntax

@param, @return, @type and @typedef are support the following type syntax.

Simple

/**
 * @param {number} param - this is simple param.
 */
function myFunc(param){...}

Array

/**
 * @param {number[]} param - this is array param.
 */
function myFunc(param){...}

Object

/**
 * @param {Object} param - this is object param.
 * @param {number} param.foo - this is property param.
 * @param {string} param.bar - this is property param.
 */
function myFunc(param){...}

/**
 * this is object destructuring.
 * @param {Object} param - this is object param.
 * @param {number} param.foo - this is property param.
 * @param {string} param.bar - this is property param.
 */
function myFunc({foo, bar}){...}

Record

/**
 * @param {{foo: number, bar: string}} param - this is object param.
 */
function myFunc(param){...}

/**
 * this is nullable property
 * @param {{foo: ?number, bar: string}} param - this is object param.
 */
function myFunc(param){...}

/**
 * this is object destructuring.
 * @param {{foo: number, bar: string}} param - this is object param.
 */
function myFunc({foo, bar}){...}

Generics

/**
 * @param {Array<string>} param - this is Array param.
 */
function myFunc(param){...}

/**
 * @param {Map<number, string>} param - this is Map param.
 */
function myFunc(param){...}

/**
 * @return {Promise<string[], MyError>} this is Promise return value.
 */
function myFunc(){...}

Function

/**
 * @param {function(foo: number, bar: string): boolean} param - this is function param.
 */
function myFunc(param){...}

Union

/**
 * @param {number|string} param - this is union param.
 */
function myFunc(param){...}

Nullable And Not Nullable

/**
 * @param {?number} param - this is nullable param.
 */
function myFunc(param){...}

/**
 * @param {!Object} param - this is not nullable param.
 */
function myFunc(param){...}

/**
 * @param {?(number|string)} param - this is nullable and union param.
 */
function myFunc(param){...}

Spread

/**
 * @param {...number} param - this is spread param.
 */
function myFunc(...param){...}

Optional And Default

/**
 * @param {number} [param] - this is optional param.
 */
function myFunc(param){...}

/**
 * @param {number} [param=10] - this is default param.
 */
function myFunc(param){...}

Identifier Syntax

<identifier> supports following syntax.

  • class: MyClass
  • method and member: MyClass#foo
  • static method and member: MyClass.bar
  • function and variable: myFunc, myVariable

if same names in your project, you can use full identifier syntax. full identifier is filePath~identifier.

e.g. If MyClass in src/foo1.js and src/foo2.js, you can write following,

  • src/foo1.js~MyClass
  • src/foo2.js~MyClass

Config

Config

ESDoc config example files.

Minimum Config

{
  "source": "./path/to/src",
  "destination": "./path/to/esdoc"
}

Integrate Test Codes Config

{
  "source": "./src",
  "destination": "./doc",
  "test": {
    "type": "mocha",
    "source": "./test"
  }
}

And if use @test, more better integration.

/** @test {MyClass} */
describe('MyClass has foo bar feature', ()=>{

  /** @test {MyClass#baz} */
  it('MyClass#baz returns magic value', ()=>{
    assert(true);
  });
});

Integrate Manual Config

{
  "source": "./src",
  "destination": "./doc",
  "manual": {
    "overview": ["./manual/overview.md"],
    "design": ["./manual/design.md"],
    "installation": ["./manual/installation.md"],
    "usage": ["./manual/usage.md"],
    "tutorial": ["./manual/tutorial.md"],
    "configuration": ["./manual/configuration.md"],
    "example": ["./manual/example.md"],
    "advanced": ["./manual/advanced.md"],
    "faq": ["./manual/faq.md"],
    "changelog": ["./CHANGELOG.md"]
  }
}

Use ECMAScript Proposal

{
  "source": "./src",
  "destination": "./doc",
  "experimentalProposal": {
    "classProperties": true,
    "objectRestSpread": true,
    "decorators": true,
    "doExpressions": true,
    "functionBind": true,
    "asyncGenerators": true,
    "exportExtensions": true,
    "dynamicImport": true
  }
}

Full Config

{
  "source": "./path/to/src",
  "destination": "./path/to/esdoc",
  "includes": ["\\.(js|es6)$"],
  "excludes": ["\\.config\\.(js|es6)$"],
  "access": ["public", "protected"],
  "autoPrivate": true,
  "unexportIdentifier": false,
  "undocumentIdentifier": true,
  "builtinExternal": true,
  "index": "./README.md",
  "package": "./package.json",
  "coverage": true,
  "includeSource": true,
  "test": {
    "type": "mocha",
    "source": "./test/src",
    "includes": ["Test\\.(js|es6)$"],
    "excludes": ["\\.config\\.(js|es6)$"]
  },
  "title": "My Software Name",
  "styles": ["./path/to/style.css"],
  "scripts": ["./path/to/script.js"],
  "plugins": [
    {"name": "plugin-name-or-file-path", "option": null}
  ],
  "manual": {
    "globalIndex": true,
    "index": "./manual/index.md",
    "asset": "./manual/asset",
    "overview": ["./manual/overview.md"],
    "design": ["./manual/design.md"],
    "installation": ["./manual/installation.md"],
    "usage": ["./manual/usage.md"],
    "tutorial": ["./manual/tutorial.md"],
    "configuration": ["./manual/configuration.md"],
    "example": ["./manual/example.md"],
    "advanced": ["./manual/advanced.md"],
    "faq": ["./manual/faq.md"],
    "changelog": ["./CHANGELOG.md"]
  },
  "lint": true,
  "experimentalProposal": {
    "classProperties": true,
    "objectRestSpread": true,
    "decorators": true,
    "doExpressions": true,
    "functionBind": true,
    "asyncGenerators": true,
    "exportExtensions": true,
    "dynamicImport": true
  }
}
Name Required Default Description
source true - JavaScript source codes directory path.
destination true - Output directory path.
includes - ["\\.(js|es6)$"] Process files that are matched with the regexp at any one.
excludes - ["\\.config\\.(js|es6)$"] Not process files that are matched with the regexp at any one.
access - ["public", "protected"] Process only identifiers(class, method, etc...) that are have the access(public, protected and private).
autoPrivate - true Deal with identifiers beginning with "_" as a private.
e.g. this._foo is private. but /** @public */ this._foo is public.
unexportIdentifier - false If true, also process unexported Identifiers.
e.g. export class MyClass is exported, class MyClass is not exported.
undocumentIdentifier - true If true, also process undocument Identifiers.
e.g. /** @foo bar */ class MyClass is document identifier, class MyClass is undocument identifier.
builtinExternal - true If true, use built-in external tag. The built-in external has number, string, boolean, Promise, Map, etc...
index - ./README.md Includes file into index page of document
package - ./package.json Use package.json info.
coverage - true If true, output document coverage.
includeSource - true If true, output includes source codes.
test - null If specified, generate document from test code.
test.type true - Test code type. Now only support "mocha".
test.source true - Test codes directory path.
test.includes - ["(spec|Spec|test|Test)\\.(js|es6)$"] Process files that are matched with the regexp at any one.
test.excludes - ["\\.config\\.(js|es6)$"] Not process files that are matched with the regexp at any one.
title - "" Use title for output.
styles - null Includes styles into output document.
scripts - null Includes scripts into output document.
plugins - null If specified, use each plugins. To see Plugin Feature for more information.
plugins[].name true - Plugin module name(e.g. your-awesome-plugin) or plugin file path(e.g. ./your-awesome-plugin.js).
plugins[].option - null If specified, the plugin get the option.
manual - null If specified, generate manual from markdown.
manual.globalIndex - false If specify true, ESDoc generates global index using the manual. In other words, it means to replace config.index to config.manual.index
manual.index - null If specify markdown file, show manual index using the file.
manual.asset - null if specify asset(image) directory path, include the directory into manual.
manual.badge - true if specify true, show manual coverage badge.
manual.overview - null If specify markdown files, show overview.
manual.design - null If specify markdown files, show design.
manual.installation - null If specify markdown files, show installation.
manual.usage - null If specify markdown files, show usage.
manual.tutorial - null If specify markdown files, show tutorial.
manual.configuration - null If specify markdown files, show configuration.
manual.example - null If specify markdown files, show example.
manual.advanced - null If specify markdown files, show advanced.
manual.faq - null If specify markdown files, show FAQ.
manual.changelog - null If specify markdown files, show changelog.
lint - true If specified, execute documentation lint.
experimentalProposal - null Enable ECMAScript experimental proposal features
experimentalProposal.classProperties - false If specify true, enable Class Properties(Babel).
experimentalProposal.objectRestSpread - false If specify true, enable Object Rest/Spread(Babel).
experimentalProposal.decorators - false If specify true, enable Decorators(Babel).
experimentalProposal.doExpressions - false If specify true, enable Do Expressions(Babel).
experimentalProposal.functionBind - false If specify true, enable Function Bind(Babel).
experimentalProposal.asyncGenerators - false If specify true, enable Async Generators(Babel).
experimentalProposal.exportExtensions - false If specify true, enable Export Extensions(Babel).
experimentalProposal.dynamicImport - false If specify true, enable Dynamic Import(Babel).

Note: A file path in config is based on current directory.

API

API

If you want to customize output, you can choose following way.

Style Sheets and Scripts

You can includes your style sheets and scripts into output documentation. To see styles and scripts in Config

Plugin Feature

You can modify data(config, code, parser, AST, tag and HTML) at hook points with plugins.

First, you set plugins property in config.

  • specify directly JavaScript file (e.g. ./my-plugin.js)
  • specify npm module name (e.g. esdoc-foo-plugin), before you need to install the module.
{
  "source": "./src",
  "destination": "./doc",
  "plugins": [
    {"name": "./my-plugin.js"},
    {"name": "esdoc-foo-plugin", "option": {"foo": 123}}
  ]
}

Second, you write plugin code.

my-plugin.js

exports.onStart = function(ev) {
  // take option
  ev.data.option;
};

exports.onHandleConfig = function(ev) {
  // modify config
  ev.data.config.title = ...;
};

exports.onHandleCode = function(ev) {
  // modify code
  ev.data.code = ...;
};

exports.onHandleCodeParser = function(ev) {
  // modify parser
  ev.data.parser = function(code){ ... };
};

exports.onHandleAST = function(ev) {
  // modify AST
  ev.data.ast = ...;
};

exports.onHandleTag = function(ev) {
  // modify tag
  ev.data.tag = ...;
};

exports.onHandleHTML = function(ev) {
  // modify HTML
  ev.data.html = ...;
};

exports.onComplete = function(ev) {
  // complete
};

Note: esdoc-importpath-plugin is helpful for writing plugins.

Publisher

This is useful for programmable operation ESDoc(e.g. making grunt plugin of ESDoc)

import ESDoc from 'esdoc/out/src/ESDoc.js';
import publisher from 'esdoc/out/src/Publisher/publish.js';

const config = {source: './src', destination: './doc'};

ESDoc.generate(config, publisher);

// if you want to use own publisher
// function publisher(results, config) {
//  console.log(results);
// }
// ESDoc.generate(config, publisher);

Internal Data

TODO: describe internal data.

References

References

FAQ

FAQ

Goal

ESDoc has two goals. The first goal is reducing the cost to write an documentation, it is able to continuously maintenance. The second goal is without looking the source code of a library, it is to be able to use the library.

In order to achieve this two goals, ESDoc produces a practical document, measures the coverage, integrates the test code and more.

Difference between ESDoc and JSDoc

JSDoc is most popular JavaScript API Documentation tool. ESDoc is inspired by JSDoc.

  • ESDoc
    • supports ES2015 and later
    • targets at ES2015 class and import/export style
    • easy to use with fewer tags, because understand information from ES syntax.
    • generates detailed document
    • measures document coverage
    • integrates test codes
    • integrates manual
  • JSDoc
    • supports ES3/ES5 and ES2015
    • targets Class-base OOP and Prototype-base OOP
    • has many flexible document tags

Supported Languages

ESDoc supports ES2015 and later.

Version Y/N
ES2015 Support all features. But a part of export syntax is not supported.
ES2016 Support all features.
ES2017 Support all features.
ES Proposal Support a part of proposals. See Use ECMAScript Proposal.
ES3 Not support. Please use other tools.
ES5 Not support. Please use other tools.
Alt-JS(TypeScript, Dart, etc...) Not support. Please use other tools.

Supported Environment

ESDoc supports Node.js(v6 or later)

Import Path In Documentation

ESDoc displays the import path of class/function into the document. However, the import path may be different from real import path because usually ES modules is transpiled to use it.

So, ESDoc Import Path Plugin converts import path to real import path.

Who's Using ESDoc

And more.

Articles

Changelog

Changelog

0.5.2 (2017-01-02)

  • Fix
    • Display error message when invalid function type (#351) Thanks @LukasHechenberger
    • Crash when destructure sparse array (#350)
    • Crash when guess type of array detructuring (#301)
    • A union type in a generics type (eb051e7)
    • A union type with a spread type (199d834)
    • Crash when function was assigned by member expression (e59820a)
    • Broken to guess type when property has null value or object expression using string key (5920c1f)
    • Crash when guess type of return value that has object spread (#364) Thanks vovkasm
  • Feat
    • Automatically take a super class description if the method override a super class method. (7b515f0)

0.5.1 (2016-12-26)

  • Fix
    • Fix a message when could not parse the codes (a98a83c)
    • Fix a help message (a16e2c1)

0.5.0 (2016-12-25)

ESDoc logo was out!

  • Breaking
  • Feature: ES2015
  • Feature: ES2016
    • Support exponentiation operator (29f6ccc)
  • Feature: ES2017
  • Feature: ECMAScript Proposal (see here)
    • Support class properties (c7b4d9b)
    • Support object rest spread (b58aa05)
    • Support do expressions (33daf5a)
    • Support function bind (5b7a7d0)
    • Support function sent (fe8a265)
    • Support async generators (e6dc2f2)
    • Support decorators (c941951)
    • Support export extensions (parsing syntax only) (8803005)
    • Support dynamic import (d729f5f)
  • Feature: Manual (see here)
    • Support new sections(advanced and design) to manual (2ebb2c6)
    • Improve new manual index page (0d30880)
    • Use manual as global index (a887852)
  • Feature: Config
    • Support automatically finding config (08fa2bc)
      • .esdoc.json in current directory
      • .esdoc.js in current directory
      • esdoc property in package.json
  • Internal
    • Update to babel6 (149914e)
    • Refactor test codes (#324)
    • Remove internal private tags (#325)
    • Use ESLint (#326)

0.4.8 (2016-08-07)

  • Feat
  • Fix
    • Not work @link at property description (#246)
    • Crash when function name includes member expression (#297)

0.4.7 (2016-05-02)

  • Fix
    • Broken if identifier name is stared with B (#224)
    • Broken dependency package

0.4.6 (2016-03-06)

0.4.5 (2016-02-14)

  • Fix
    • Make a mistake lint for array destructuring (#178)
    • Comment syntax(white space) is too strict (#181)
    • Broken param parsed result if description has {} (#185)
    • Link does not work when identifier name has $ (#218)

0.4.4 (2016-02-06)

  • Feat
    • Can resolve import file path that has no file extension (#160)
    • onHandleHTML has the target filename (#175) Thanks @skratchdot
  • Fix

0.4.3 (2015-11-02)

  • Fix
    • Lock npm modules

0.4.2 (2015-11-01)

  • Fix
    • Crash when not initialized declaration (#126)
    • Crash when @param description has [email protected] foo} (#129)
    • Allow particular HTML tags in each descriptions (#130)
    • Crash when record + union type is exists (#152)

0.4.1 (2015-10-18)

  • Breaking
    • Support multi files in manual (#124)
  • Feat
    • Support tutorial and configuration in manual (#122)
    • Support image in manual (#123)
  • Fix
    • Crash if method is generator + computed + member-expression (#107)
    • Not resolved @link in summary (#110)
    • Invalid param name when description has @link (#119)

0.4.0 (2015-10-04)

  • Feat
    • Support manual(overview, installation, usage, etc) into documentation (#102)
    • Support documentation lint (#103)

0.3.1 (2015-09-27)

  • Fix
    • Multi-line description truncated in summary (#85)

0.3.0 (2015-09-21)

  • Breaking
    • Change side bar navigation style (#84)
  • Fix
    • Inner link in user markdown (#80)

0.2.6 (2015-09-13)

  • Fix
    • Crash when array destructuring is exist (#77 Thanks @noraesae, #76)
    • Crash when computed property method is exist (#78 Thanks @noraesae, #73)
    • Crash when loading config without .js and .json (#74)
    • Crash when unknown class new expression variable is exist (#75)

0.2.5 (2015-09-06)

  • Feat
    • Support JavaScript code as esdoc config (#71 Thanks @raveclassic)
    • Add config.includeSource (#67, #68)
      • If you do not want to include source code into documentation, set config.includeSource: false
    • Display undocument lines in source file (#61)
  • Fix
    • Excludes member that has same name getter/setter/method (#64, #70)
    • Crash when destructuring is exist at top (#65)

0.2.4 (2015-08-30)

  • Fix
    • Crash if un-initialized let/const variables are exist (#60)
    • Invalid documentation when computed members(this[prop] = 123) are exist (#59)

0.2.3 (2015-08-29)

  • Fix
    • Fail if config.source is ./ (#56)
    • Not match includes, excludes in config (#57)
    • Not process @param in @typedef of function (#58)

0.2.2 (2015-08-23)

  • Fix
    • Badge color (645a256)
    • Crash if package.json is not exits (#50)
  • Deprecated
    • config.importPathPrefix (#46)
    • coverage badge in README.md (#47)

0.2.1 (2015-08-09)

  • Fix
    • Fail loading plugin (#44)

0.2.0 (2015-08-03)

  • Feat
    • Support coverage badge (#34)
    • Plugin feature (#27)
  • Fix
    • Anonymous class document tag (#38)
    • Repository style in package.json (#39) Thanks @r7kamura
    • Repeat @typedef in document (#40)

0.1.4 (2015-07-20)

  • Feat
    • Support Complex class extends (#26)
    • Support caption tag in @example (#33)
    • Support separated function and variable exporting (#30)
  • Fix
    • Crash when object pattern argument does not have @param (#24)

0.1.3 (2015-07-05)

  • Feat
    • Support instance export(#11, #19)
      • export default new Foo()
      • export let foo = new Foo()
    • Support anonymous class/function export (#13)
      • export default class{} and export default function(){}
    • Show a detail log when ESDoc could not process a input code (#14)
    • Support [email protected]:foo/bar.git style url (#22)
  • Fix
    • Broken @desc when it has html code (#12)
    • Crash complex ExportDefaultDeclaration and ExportNamedDeclaration(957d61a)
    • Crash when a class extends unexported class (bf87643)
    • Tab in document tag (#20)
  • Internal
    • Change internal tags name (#23)

0.1.2 (2015-06-06)

  • Breaking Changes
    • drop esdoc ./path/to/dir implementation (b4d2121)
  • Fix
    • Fail parsing of React JSX syntax (#3). Thank you @koba04
    • Home link does not work as expected (97f47cf)
    • Separated export is not shown in document (6159c3a)
    • Crash when a class extends nested super class. (2d634d0)
    • Web font loading protocol (5ba8d82)

0.1.1 (2015-05-10)

0.1.0 (2015-05-05)

  • First release