remove buffer-from

package.json

@@ -10,7 +10,6 @@
     "test": "mocha"
   },
   "dependencies": {
-    "buffer-from": "^1.0.0",
     "source-map": "^0.6.0"
   },
   "devDependencies": {

source-map-support.js

@@ -12,8 +12,6 @@ try {
   /* nop */
 }
 
-var bufferFrom = require('buffer-from');
-
 /**
  * Requires a module which is protected against bundler minification.
  *
@@ -171,7 +169,7 @@ retrieveMapHandlers.push(function(source) {
   if (reSourceMap.test(sourceMappingURL)) {
     // Support source map URL as a data url
     var rawData = sourceMappingURL.slice(sourceMappingURL.indexOf(',') + 1);
-    sourceMapData = bufferFrom(rawData, "base64").toString();
+    sourceMapData = Buffer.from(rawData, "base64").toString();
     sourceMappingURL = source;
   } else {
     // Support source map URLs relative to the source URL

test.js

@@ -6,7 +6,7 @@ var SourceMapGenerator = require('source-map').SourceMapGenerator;
 var child_process = require('child_process');
 var assert = require('assert');
 var fs = require('fs');
-var bufferFrom = require('buffer-from');
+var bufferFrom = Buffer.from;
 
 function compareLines(actual, expected) {
   assert(actual.length >= expected.length, 'got ' + actual.length + ' lines but expected at least ' + expected.length + ' lines');