Install

 > npm install documentjs -S

Configure documentjs.json

{
  "sites": {
    "docs": {
      "glob" : "**/*.{js,md}"
    }
  }
}

Document with tags

/**
 * @module {function(new:lib/graph)} lib/graph
 * 
 * @signature `new Graph(graphData)`
 * @param {Object} graphData
 * @return {lib/graph}
 */
function Graph(graphData){ … }
/**
 * @prototype
 */
Graph.prototype = {
    /**
     * Converts the graph to a chart.
     * @param {String} type
     */
    toChart: function(type){ ... }
};
module.exports = Graph;

Generate your docs and watch for changes

> ./node_modules/.bin/documentjs --watch