Package Exports

vue-docgen-api

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Readme

vue-docgen-api

vue-docgen-api is a toolbox to help extracting information from Vue components, and generate documentation from it.

Use babel and jsdoc-api to compile the code and analyze the contents of the component extracting methods and props. The output is a JavaScript object.

Install

Install the module directly from npm:

npm install vue-docgen-api --save-dev

API

The tool can be used programmatically to extract component information and customize the extraction process:

var vueDocs = require('vue-docgen-api');
var componentInfo = vueDocs.parse(filePath);

parse(filePath)

Parameter	Type	Description
filePath	string	The file path

Using JSDoc tags

You can use the following JSDoc tags when documenting components, props and methods.

Example

For the following component

<template>
  <div>
    <!-- @slot Use this slot header -->
    <slot name="header"></slot>

    <table class="grid">
      <!-- -->
    </table>

    <!-- @slot Use this slot footer -->
    <slot name="footer"></slot>
  </div>
</template>

<script>
import { text } from './utils';

/**
 * This is an example of creating a reusable grid component and using it with external data.
 * @version 1.0.5
 * @author [Rafael](https://github.com/rafaesc92)
 * @since Version 1.0.1
 */
export default {
  name: 'grid',
  props: {

    /**
     * object/array defaults should be returned from a factory function
     * @version 1.0.5
     * @since Version 1.0.1
     * @see See [Wikipedia](https://en.wikipedia.org/wiki/Web_colors#HTML_color_names) for a list of color names
     * @link See [Wikipedia](https://en.wikipedia.org/wiki/Web_colors#HTML_color_names) for a list of color names
     */
    msg: {
      type: [String, Number],
      default: text
    },
    /**
     * Model example
     * @model
     */
    value: {
      type: String
    }
    /**
     * describe data
     * @version 1.0.5
     */
    data: [Array],
    /**
     * get columns list
     */
    columns: [Array],
    /**
     * filter key
     * @ignore
     */
    filterKey: {
      type: String,
      default: 'example'
    }
  },
  data () {
    var sortOrders = {}
    this.columns.forEach(function (key) {
      sortOrders[key] = 1
    })
    return {
      sortKey: '',
      sortOrders: sortOrders
    }
  },
  computed: {
    filteredData: function () {
      var sortKey = this.sortKey
      var filterKey = this.filterKey && this.filterKey.toLowerCase()
      var order = this.sortOrders[sortKey] || 1
      var data = this.data
      if (filterKey) {
        data = data.filter(function (row) {
          return Object.keys(row).some(function (key) {
            return String(row[key]).toLowerCase().indexOf(filterKey) > -1
          })
        })
      }
      if (sortKey) {
        data = data.slice().sort(function (a, b) {
          a = a[sortKey]
          b = b[sortKey]
          return (a === b ? 0 : a > b ? 1 : -1) * order
        })
      }
      return data
    }
  },
  filters: {
    capitalize: function (str) {
      return str.charAt(0).toUpperCase() + str.slice(1)
    }
  },
  methods: {

    /**
     * Sets the order
     *
     * @public
     * @version 1.0.5
     * @since Version 1.0.1
     * @param {string} key Key to order
     * @returns {string} Test
     */
    sortBy: function (key) {
      this.sortKey = key
      this.sortOrders[key] = this.sortOrders[key] * -1;

      /**
       * Success event.
       *
       * @event success
       * @type {object}
       */
      this.$emit('success', {
        demo: 'example',
      })
    },

    hiddenMethod: function(){

    }
  }
}
</script>

we are getting this output:

{
  "description": "This is an example of creating a reusable grid component and using it with external data.",
  "methods": [
    {
      "name": "sortBy",
      "comment": "/**\n   * Sets the order\n   *\n   * @public\n   * @version 1.0.5\n   * @since Version 1.0.1\n   * @param {string} key Key to order\n   * @returns {string} Test\n   */",
      "modifiers": [],
      "params": [
        {
          "name": "key",
          "description": "Key to order",
          "type": {
            "name": "string"
          }
        }
      ],
      "returns": {
        "description": "Test",
        "type": {
          "name": "string"
        }
      },
      "description": "Sets the order",
      "tags": {
        "access": [
          {
            "title": "access",
            "description": "public"
          }
        ],
        "params": [
          {
            "title": "param",
            "description": "Key to order",
            "name": "key",
            "type": {
              "type": "NameExpression",
              "name": "string"
            }
          }
        ],
        "returns": [
          {
            "title": "returns",
            "description": "Test",
            "type": {
              "type": "NameExpression",
              "name": "string"
            }
          }
        ],
        "since": [
          {
            "title": "since",
            "description": "Version 1.0.1"
          }
        ],
        "version": [
          {
            "title": "version",
            "description": "1.0.5"
          }
        ]
      }
    }
  ],
  "displayName": "grid",
  "props": {
    "msg": {
      "type": {
        "name": "string|number"
      },
      "required": "",
      "defaultValue": {
        "value": "\"this is a secret\"",
        "computed": false
      },
      "tags": {
        "see": [
          {
            "title": "see",
            "description": "See [Wikipedia](https://en.wikipedia.org/wiki/Web_colors#HTML_color_names) for a list of color names"
          }
        ],
        "since": [
          {
            "title": "since",
            "description": "Version 1.0.1"
          }
        ],
        "version": [
          {
            "title": "version",
            "description": "1.0.5"
          }
        ],
        "link": [
          {
            "title": "link",
            "description": "See [Wikipedia](https://en.wikipedia.org/wiki/Web_colors#HTML_color_names) for a list of color names"
          }
        ]
      },
      "comment": "/**\n     * object/array defaults should be returned from a factory function\n     * @version 1.0.5\n     * @since Version 1.0.1\n     * @see See [Wikipedia](https://en.wikipedia.org/wiki/Web_colors#HTML_color_names) for a list of color names\n     * @link See [Wikipedia](https://en.wikipedia.org/wiki/Web_colors#HTML_color_names) for a list of color names\n     */",
      "description": "object/array defaults should be returned from a factory function"
    },
    "v-model": {
      "type": {
        "name": "string"
      },
      "description": "Model example"
    },
    "data": {
      "type": {
        "name": "array"
      },
      "description": "describe data"
    },
    "columns": {
      "type": {
        "name": "array"
      },
      "description": "get columns list"
    },
    "filterKey": {
      "type": {
        "name": "string"
      },
      "required": "",
      "defaultValue": {
        "value": "\"example\"",
        "computed": false
      },
      "tags": {
        "ignore": [
          {
            "title": "ignore",
            "description": true
          }
        ]
      },
      "comment": "/**\n     * filter key\n     * @ignore\n     */",
      "description": "filter key"
    }
  },
  "comment": "/**\n * This is an example of creating a reusable grid component and using it with external data.\n * @version 1.0.5\n * @author [Rafael](https://github.com/rafaesc92)\n * @since Version 1.0.1\n */",
  "tags": {
    "author": [
      {
        "title": "author",
        "description": "[Rafael](https://github.com/rafaesc92)"
      }
    ],
    "since": [
      {
        "title": "since",
        "description": "Version 1.0.1"
      }
    ],
    "version": [
      {
        "title": "version",
        "description": "1.0.5"
      }
    ]
  },
  "events": {
    "success": {
      "description": "Success event.",
      "type": {
        "names": [
          "object"
        ]
      },
      "comment": "/**\n     * Success event.\n     *\n     * @event success\n     * @type {object}\n     */"
    }
  },
  "slots": {
    "header": {
      "description": "Use this slot header"
    },
    "footer": {
      "description": "Use this slot footer"
    }
  }
}

Mixins or Extends

If you import a mixin or extends, for it to be documented you need to add in the header the mixin tag @mixin, for example

Case Mixin:

// src/mixins/colorMixin.js

/**
 * @mixin
 */
module.exports = {
  props: {
    /**
    * The color for the button example
    */
    color: {
      type: String,
      default: '#333'
    },
  }
}

Case Extends:

// src/extends/Base.vue

<template>
  <div>
    <h4>{{ color }}</h4>
    <!--the appropriate input should go here-->
  </div>
</template>
<script>
/**
 * @mixin
 */
export default {
  props: {
    /**
    * The color for the button example
    */
    colorExtends: {
      type: String,
      default: '#333'
    },
  },
}
</script>

<template>
<!-- -->
</template>
<script>
// src/components/Button/Button.vue

import colorMixin from '../../mixins/colorMixin';
import Base from '../../extends/Base';
export default {
  name: 'buttonComponent',
  mixins: [colorMixin],
  extends: Base,
  props: {
    /**
    * The size of the button
    * `small, normal, large`
    */
    size: {
      default: 'normal'
    },
    /**
    * Add custom click actions.
    **/
    onCustomClick: {
      default: () => () => null,
    },
  },
  /* ... */
}
</script>

Events

/**
 * Success event.
 *
 * @event success
 * @type {object}
 */
this.$emit('success', {
  demo: 'example',
})

Slots

<template>
  <div>
    <!-- @slot Use this slot header -->
    <slot name="header"></slot>

    <!-- @slot Use this slot footer -->
    <slot name="footer"></slot>
  </div>
</template>

Change log

The change log can be found on the Releases page.

Authors and license

Rafael Escala

MIT License.