Google staticmaps Router implementation. Used for map images downloading using Nodejs + ExpressJS

google_staticmaps_router.js

/** 
 * Google staticmaps Router implementation.
 */
const express = require('express'),
    request = require('request'),
    router = express.Router(),
    StaticMaps = {
        baseHost: "https://maps.googleapis.com/maps/api"
    };

/**
 * Download google staticmaps image.
 */
router.get('/staticmap', (req, resp) => {
    let map_position = req.query.center,
        marker_label = req.query.marker_label, 
        image_url = StaticMaps.baseHost
            .concat('/staticmap?center=#MAP_LOCATION&zoom=16&scale=1&size=260x200&maptype=roadmap&format=jpg&visual_refresh=true&markers=size:small%7Ccolor:0xff0000%7Clabel:#MARKER_LABEL')
            .replace('#MARKER_LABEL', encodeURIComponent(marker_label))
            .replace('#MAP_LOCATION', map_position);

    request(image_url).pipe(resp);
});


module.exports = router;

Available request url parameters:

• center = location (text as "latitude,longitude")
• marker_label=marker title

Usage:

Adds as a router to ExpressJS Server implementation.

const express = require('express');
const app = express();
const port = process.env.PORT || 8090;

...

app.use('/', require('./google_staticmaps'));
...

Then, in a web browser:

<server_url>/staticmap?center=#center&marker_label=#marker_label

Feel free to use and extend.