gitbook/lib/plugins/findForBook.js

var path = require('path');
var Immutable = require('immutable');

var Promise = require('../utils/promise');
var timing = require('../utils/timing');
var findInstalled = require('./findInstalled');

/**
    List all plugins installed in a book

    @param {Book}
    @return {Promise<OrderedMap<String:Plugin>>}
*/
function findForBook(book) {
    return timing.measure(
        'plugins.findForBook',

        Promise.all([
            findInstalled(path.resolve(__dirname, '../..')),
            findInstalled(book.getRoot())
        ])

        // Merge all plugins
        .then(function(results) {
            return Immutable.List(results)
                .reduce(function(out, result) {
                    return out.merge(result);
                }, Immutable.OrderedMap());
        })
    );
}


module.exports = findForBook;