jsdoc3 plugin to use plantuml inside javascript documentation
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jsdoc-plantuml

npm Known Vulnerabilities Dependency Status

NPM

This package contains a jsdoc3 plugin to use plantuml inside javascript documentation.

This plugin allows using the plantuml syntax with "@startuml ... @enduml" to use inside your normal JSDoc source code comments. This plugins parses them and either writes it into seperate failes for external processing/displaying in ticket systems/... or generates image files to include in your generated documentation.

Extracting the plantuml source into extra files works without extra dependnecies, Creating image files need a installation of the "node-plantuml" package as well as the "graphviz" tool to actually generate some of the image formats. For further documentation check https://www.npmjs.com/package/node-plantuml.

Usage

install jsdoc and this plugin

Now write some uml diagrams inside your regular jsdocs.

Attention - The @startuml tag must have one parameter - the filename to safe this uml diagram at.

/**
 *  my normal jsdoc comments...
 *  and here i reference my image generated with <img src=filename.png">
 *  inside generate html docs
 *
 * @startuml filename.png
 *  Alice --> Bob
 * @enduml
 *
 * some more comments as you like...
 */

The filename given after @startuml can either be a relative filename with or without paths or an absolute filename. @startuml tags without filename are ignored by this plugin.

The filename should either end with the graphic format needed (png, svg, eps) or with "puml" as format for the plant uml source code files. If puml is used the defaultFormat from the configuration is used to determined the image file format created.

  • @startuml <filename> can contain paths, allowed file formats are "png, svg, eps, puml" examples "@startuml file.png" or "@startuml my/path/file.puml" etc.pp.

Inside the jsdoc configuration this plugin must be registered as plugins and can be optionally configured with a plantuml object. The following configuration gives the default config used if no plantuml object is added to your jsdoc-config.

{
  ...
  "plugins": [ "jsdoc-plantuml"],
  "plantuml": {
    "puml": {
      "create": true,
      "destination": "jsDoc/puml"
    },
    "images": {
      "create": true,
      "destination": "jsDoc/images",
      "defaultFormat": "png"
    }
  }
}

Configuration parameters

puml: {} Object containing all parameters related to the creation of the puml files from jsdoc comments.

  • puml.create Boolean flag to indicate if puml files shall be created or not
  • puml.destination Path (absolute or relative to working dir) where the puml files will be stored. If the filename at the @startuml tag contains some paths too these to will be concatened. All files will be created with the '.puml' extension.

images: {} Object containing all parameters related to the creation of the image files from jsdoc comments.

  • images.create Boolean flag to indicate if image files shall be created or not
  • images.destination Path (absolute or relative to working dir) where the image files will be stored. If the filename at the @startuml tag contains some paths too these to will be concatened.
  • images.defaultFormat If the filename given at the @startuml tag ends with the '.puml' file suffix this format will be used to create images. If the filename already contains a file format this one is ignore.

Examples

JSDoc comment with one uml diagram, only puml code file should be saved, no image

jsdoc-config.json

{
  ...
  "plugins": [ "jsdoc-plantuml"],
  "plantuml": {
    "puml": {
      "create": true,
      "destination": "jsdoc/puml"
    },
    "images": {
      "create": false
    }
  }
}

Javascript source file. The filename and format is taken from the image file name at the @startuml tag. For the puml file the filename replaces the graphics suffix ("png") by "puml"

/** This file does some magic yada-blah
  @requires 'module:yada'
  
  @startuml images/yadablah.png
    Alice --> Bob
  @enduml
 */
function yadablah() {
    ...
}

The File safed is "jsdoc/puml/images/yadablah.svg" inside current working directory.

JSDoc comment with one uml diagram, only image file should be saved, not the puml file

jsdoc-config.json

{
  ...
  "plugins": [ "jsdoc-plantuml"],
  "plantuml": {
    "puml": {
      "create": false
    },
    "images": {
      "create": true
    }
  }
}

Javascript source file. The filename and format is taken from the image file name at the @startuml tag.

/** This file does some magic yada-blah
  @requires 'module:yada'
  
  @startuml images/yadablah.png
    Alice --> Bob
  @enduml
 */
function yadablah() {
    ...
}

The File safed is "images/yadablah.svg" inside current working directory.

JSDoc comment with one uml diagram, create image and puml file

jsdoc-config.json, set default format for images to "svg" instead of "png"

{
  ...
  "plugins": [ "jsdoc-plantuml"],
  "plantuml": {
    "puml": {
      "create": false
    },
    "images": {
      "create": true,
      "defaultFormat": "svg"
    }
  }
}

Javascript source file. The filename is taken from the image file name at the @startuml tag, but format/extension replaced by config param "defaultFormat" as "puml" is no image format

/** This file does some magic yada-blah
  @requires 'module:yada'
  
  @startuml images/yadablah.puml
    Alice --> Bob
  @enduml
 */
function yadablah() {
    ...
}

Files safed are "images/yadablah.puml" and "images/yadablah.svg" inside current working directory.

Copyright

Trilobyte GmbH / Stefan Seide, 2019