OpenStreetBrowserLoader: convert to a ES6 class

src/OpenStreetBrowserLoader.js

@@ -2,26 +2,27 @@ var OverpassLayer = require('overpass-layer')
 
 const Repository = require('./Repository')
 
-function OpenStreetBrowserLoader () {
+class OpenStreetBrowserLoader {
+  constructor () {
     this.types = {}
     this.categories = {}
     this.repoCache = {}
     this.repositories = {}
     this.templates = {}
     this._loadClash = {} // if a category is being loaded multiple times, collect callbacks
-}
+  }
 
-OpenStreetBrowserLoader.prototype.setMap = function (map) {
+  setMap (map) {
     this.map = map
-}
+  }
 
-/**
+  /**
    * @param string id ID of the category
    * @param [object] options Options.
    * @waram {boolean} [options.force=false] Whether repository should be reload or not.
    * @param function callback Callback which will be called with (err, category)
    */
-OpenStreetBrowserLoader.prototype.getCategory = function (id, options, callback) {
+  getCategory (id, options, callback) {
     if (typeof options === 'function') {
       callback = options
       options = {}
@@ -66,15 +67,15 @@ OpenStreetBrowserLoader.prototype.getCategory = function (id, options, callback)
         callback(err, category)
       }.bind(this))
     }.bind(this))
-}
+  }
 
-/**
+  /**
    * @param string repo ID of the repository
    * @parapm [object] options Options.
    * @waram {boolean} [options.force=false] Whether repository should be reload or not.
    * @param function callback Callback which will be called with (err, repoData)
    */
-OpenStreetBrowserLoader.prototype.getRepo = function (repo, options, callback) {
+  getRepo (repo, options, callback) {
     if (options.force) {
       delete this.repoCache[repo]
     }
@@ -125,9 +126,9 @@ OpenStreetBrowserLoader.prototype.getRepo = function (repo, options, callback) {
     req.addEventListener('load', reqListener.bind(this, req))
     req.open('GET', 'repo.php' + param)
     req.send()
-}
+  }
 
-OpenStreetBrowserLoader.prototype.getRepository = function (id, options, callback) {
+  getRepository (id, options, callback) {
     if (id in this.repositories) {
       return callback(null, this.repositories[id])
     }
@@ -139,15 +140,15 @@ OpenStreetBrowserLoader.prototype.getRepository = function (id, options, callbac
 
       callback(null, this.repositories[id])
     })
-}
+  }
 
-/**
+  /**
    * @param string id ID of the template
    * @parapm [object] options Options.
    * @waram {boolean} [options.force=false] Whether repository should be reload or not.
    * @param function callback Callback which will be called with (err, template)
    */
-OpenStreetBrowserLoader.prototype.getTemplate = function (id, options, callback) {
+  getTemplate (id, options, callback) {
     if (typeof options === 'function') {
       callback = options
       options = {}
@@ -185,9 +186,9 @@ OpenStreetBrowserLoader.prototype.getTemplate = function (id, options, callback)
 
       callback(null, this.templates[ids.fullId])
     }.bind(this))
-}
+  }
 
-OpenStreetBrowserLoader.prototype.getCategoryFromData = function (id, options, data, callback) {
+  getCategoryFromData (id, options, data, callback) {
     var ids = this.getFullId(id, options)
 
     if (ids.fullId in this.categories) {
@@ -219,9 +220,9 @@ OpenStreetBrowserLoader.prototype.getCategoryFromData = function (id, options, d
     } else {
       callback(null, layer)
     }
-}
+  }
 
-OpenStreetBrowserLoader.prototype.getFullId = function (id, options) {
+  getFullId (id, options) {
     var result = {}
 
     if (!id) {
@@ -253,17 +254,18 @@ OpenStreetBrowserLoader.prototype.getFullId = function (id, options) {
     result.fullId = result.repositoryId + '/' + (result.sublayerId ? result.sublayerId + ':' : '') + result.entityId
 
     return result
-}
+  }
 
-OpenStreetBrowserLoader.prototype.forget = function (id) {
+  forget (id) {
     var ids = this.getFullId(id, options)
 
     this.categories[ids.fullId].remove()
     delete this.categories[ids.fullId]
-}
+  }
 
-OpenStreetBrowserLoader.prototype.registerType = function (type, classObject) {
+  registerType (type, classObject) {
     this.types[type] = classObject
+  }
 }
 
 module.exports = new OpenStreetBrowserLoader()