Updated dependencies, more tidy up

Author: alvinometric

lib/save.js

@@ -1,5 +1,4 @@
 import dateformat from 'dateformat';
-import assign from 'object-assign';
 import padLeft from 'pad-left';
 import { getClientAPI } from './util';
 
@@ -21,15 +20,15 @@ const supportedEncodings = [
 
 function stream (isStart, opts = {}) {
   return new Promise((resolve, reject) => {
-    opts = assign({}, defaultExts, opts);
+    opts = Object.assign({}, defaultExts, opts);
     const filename = resolveFilename(Object.assign({}, opts, {
       extension: '',
       frame: undefined
     }));
     const func = isStart ? 'streamStart' : 'streamEnd';
     const client = getClientAPI();
     if (client && client.output && typeof client[func] === 'function') {
-      return client[func](assign({}, opts, { filename }))
+      return client[func](Object.assign({}, opts, { filename }))
         .then(ev => resolve(ev));
     } else {
       return resolve({ filename, client: false });
@@ -85,13 +84,13 @@ export function saveDataURL (dataURL, opts = {}) {
 
 export function saveBlob (blob, opts = {}) {
   return new Promise(resolve => {
-    opts = assign({}, defaultExts, opts);
+    opts = Object.assign({}, defaultExts, opts);
     const filename = opts.filename;
 
     const client = getClientAPI();
     if (client && typeof client.saveBlob === 'function' && client.output) {
       // native saving using a CLI tool
-      return client.saveBlob(blob, assign({}, opts, { filename }))
+      return client.saveBlob(blob, Object.assign({}, opts, { filename }))
         .then(ev => resolve(ev));
     } else {
       // force download
@@ -135,7 +134,7 @@ export function getDefaultFile (prefix = '', suffix = '', ext) {
 }
 
 export function resolveFilename (opt = {}) {
-  opt = assign({}, opt);
+  opt = Object.assign({}, opt);
 
   // Custom filename function
   if (typeof opt.file === 'function') {