update node modules

node_modules/iconv-lite/lib/extend-node.js

@@ -1,5 +1,6 @@
 "use strict";
 var Buffer = require("buffer").Buffer;
+// Note: not polyfilled with safer-buffer on a purpose, as overrides Buffer
 
 // == Extend Node primitives to use iconv-lite =================================
 
@@ -8,7 +9,8 @@ module.exports = function (iconv) {
 
     // Node authors rewrote Buffer internals to make it compatible with
     // Uint8Array and we cannot patch key functions since then.
-    iconv.supportsNodeEncodingsExtension = !(new Buffer(0) instanceof Uint8Array);
+    // Note: this does use older Buffer API on a purpose
+    iconv.supportsNodeEncodingsExtension = !(Buffer.from || new Buffer(0) instanceof Uint8Array);
 
     iconv.extendNodeEncodings = function extendNodeEncodings() {
         if (original) return;

node_modules/iconv-lite/lib/index.d.ts

@@ -6,9 +6,9 @@
  *--------------------------------------------------------------------------------------------*/
 
 declare module 'iconv-lite' {
-	export function decode(buffer: NodeBuffer, encoding: string, options?: Options): string;
+	export function decode(buffer: Buffer, encoding: string, options?: Options): string;
 
-	export function encode(content: string, encoding: string, options?: Options): NodeBuffer;
+	export function encode(content: string, encoding: string, options?: Options): Buffer;
 
 	export function encodingExists(encoding: string): boolean;
 

node_modules/iconv-lite/lib/index.js

@@ -2,7 +2,7 @@
 
 // Some environments don't have global Buffer (e.g. React Native).
 // Solution would be installing npm modules "buffer" and "stream" explicitly.
-var Buffer = require("buffer").Buffer;
+var Buffer = require("safer-buffer").Buffer;
 
 var bomHandling = require("./bom-handling"),
     iconv = module.exports;
@@ -34,7 +34,7 @@ iconv.decode = function decode(buf, encoding, options) {
             iconv.skipDecodeWarning = true;
         }
 
-        buf = new Buffer("" + (buf || ""), "binary"); // Ensure buffer.
+        buf = Buffer.from("" + (buf || ""), "binary"); // Ensure buffer.
     }
 
     var decoder = iconv.getDecoder(encoding, options);
@@ -65,7 +65,7 @@ iconv.getCodec = function getCodec(encoding) {
         iconv.encodings = require("../encodings"); // Lazy load all encoding definitions.
     
     // Canonicalize encoding name: strip all non-alphanumeric chars and appended year.
-    var enc = (''+encoding).toLowerCase().replace(/[^0-9a-z]|:\d{4}$/g, "");
+    var enc = iconv._canonicalizeEncoding(encoding);
 
     // Traverse iconv.encodings to find actual codec.
     var codecOptions = {};
@@ -108,6 +108,11 @@ iconv.getCodec = function getCodec(encoding) {
     }
 }
 
+iconv._canonicalizeEncoding = function(encoding) {
+    // Canonicalize encoding name: strip all non-alphanumeric chars and appended year.
+    return (''+encoding).toLowerCase().replace(/:\d{4}$|[^0-9a-z]/g, "");
+}
+
 iconv.getEncoder = function getEncoder(encoding, options) {
     var codec = iconv.getCodec(encoding),
         encoder = new codec.encoder(options, codec);