request-promise -> node-fetch

README.md

@@ -64,7 +64,7 @@ If your terminal supports mouse events you can drag the map and use your scroll
 
 #### Handling the flow
 * [`bluebird`](https://github.com/petkaantonov/bluebird) for all the asynchronous [Promise](https://developer.mozilla.org/de/docs/Web/JavaScript/Reference/Global_Objects/Promise) magic
-* [`request-promise`](https://github.com/request/request-promise) for promisified HTTP request handling
+* [`node-fetch`](https://github.com/bitinn/node-fetch) for HTTP requests
 * [`userhome`](https://github.com/shama/userhome) to determine where to persist downloaded tiles
 
 ### TODOs

package.json

@@ -34,10 +34,9 @@
     "coffee-script": "^1.10.0",
     "earcut": "^2.1.1",
     "keypress": "^0.2.1",
+    "node-fetch": "^1.6.3",
     "pbf": "^3.0.0",
     "rbush": "^2.0.1",
-    "request": "^2.76.0",
-    "request-promise": "^4.1.1",
     "simplify-js": "^1.2.1",
     "term-mouse": "^0.1.1",
     "userhome": "^1.0.0",

src/TileSource.coffee

@@ -9,8 +9,7 @@
 
 Promise = require 'bluebird'
 userhome = require 'userhome'
-request = require 'request'
-rp = require 'request-promise'
+fetch = require 'node-fetch'
 fs = require 'fs'
 
 Tile = require './Tile'
@@ -77,9 +76,8 @@ module.exports = class TileSource
       if config.persistDownloadedTiles and tile = @_getPersited z, x, y
         Promise.resolve tile
       else
-        rp
-          uri: @source+[z,x,y].join("/")+".pbf"
-          encoding: null
+        fetch @source+[z,x,y].join("/")+".pbf"
+        .then (res) => res.buffer()
         .then (buffer) =>
           @_persistTile z, x, y, buffer if config.persistDownloadedTiles
           buffer