Packaged it

render.js

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+'use strict';
+/**
+ * Node js script to render and download svg cubes using webdriver
+ */
+
+var webdriverio = require('webdriverio');
+var path = require('path');
+var fs = require('fs');
+var system = require('system')
+var globby = require('globby');
+
+var options = {
+    desiredCapabilities: {
+        browserName: 'chrome'
+    }
+};
+
+
+/** TODO
+ * Need to look at clien bounding box for all parts of cube, then get minLeft, maxRight etc, then crop the screenshot there
+ *
+ **/
+
+// get config
+var config = {
+    debug: false
+}
+
+// get inputs
+var input = process.argv[2];
+console.log('input:', input);
+
+
+/**
+ * Screenshot for debug and notification of screenshots
+ */
+var screenHandler = function (err, screenshot, response) {
+    if (config.debug) {
+        console.log({
+            err, screenshot, response
+        });
+    } else if (err) {
+        console.log('saveScreenshot', err);
+    }
+}
+
+globby(input).then(inputs => {
+
+    console.log('glob(', input, ') ->', inputs);
+
+    for (var i = 0; i < inputs.length; i++) {
+
+        // get input file and components
+        var file = inputs[i];
+        var address = path.join(process.cwd(), file);
+        var ext = path.extname(file);
+        var url = 'file://' + path.join(process.cwd(), file);
+        var outfile = address.replace(ext, '.png');
+
+        console.log('Converting ', file, url, '->', outfile);
+
+        webdriverio
+            .remote(options)
+            .init()
+            .url(url)
+            .getTitle().then(title => {
+                console.log('Title is: ' + title);
+            })
+            .waitForVisible('.front', 1000) //.then(callback);
+            .saveScreenshot(
+                outfile, screenHandler
+            )
+            .end();
+    }
+}, this)