Add compatibility with pre-ES2016 environments (like RN) via `Buffer.…

…subarray` polyfill (#733) * Fix the issue that cannot run in a pre-ES2016 environment. * bump @stellar/js-xdr to 3.1.1
stellar · Mar 20, 2024 · 8565309 · 8565309
1 parent d87eb01
commit 8565309
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Showing 4 changed files with 18 additions and 6 deletions.
diff --git a/config/buffer.js b/config/buffer.js
@@ -0,0 +1,12 @@
+// See https://github.com/stellar/js-xdr/issues/117
+import { Buffer } from 'buffer';
+
+if (!(Buffer.alloc(1).subarray(0, 1) instanceof Buffer)) {
+  Buffer.prototype.subarray = function subarray(start, end) {
+    const result = Uint8Array.prototype.subarray.call(this, start, end);
+    Object.setPrototypeOf(result, Buffer.prototype);
+    return result;
+  };
+}
+
+export default Buffer;
diff --git a/config/webpack.config.browser.js b/config/webpack.config.browser.js
@@ -62,7 +62,7 @@ const config = {
     new webpack.IgnorePlugin({ resourceRegExp: /sodium-native/ }),
     new NodePolyfillPlugin(),
     new webpack.ProvidePlugin({
-      Buffer: ['buffer', 'Buffer']
+      Buffer: [path.resolve(__dirname, 'buffer.js'), 'default']
     })
   ],
   watchOptions: {

diff --git a/package.json b/package.json
@@ -120,7 +120,7 @@
     "webpack-cli": "^5.1.1"
   },
   "dependencies": {
-    "@stellar/js-xdr": "^3.1.0",
+    "@stellar/js-xdr": "^3.1.1",
     "base32.js": "^0.1.0",
     "bignumber.js": "^9.1.2",
     "buffer": "^6.0.3",

diff --git a/yarn.lock b/yarn.lock
@@ -1323,10 +1323,10 @@
   resolved "https://registry.yarnpkg.com/@socket.io/component-emitter/-/component-emitter-3.1.0.tgz#96116f2a912e0c02817345b3c10751069920d553"
   integrity sha512-+9jVqKhRSpsc591z5vX+X5Yyw+he/HCB4iQ/RYxw35CEPaY1gnsNE43nf9n9AaYjAQrTiI/mOwKUKdUs9vf7Xg==
 
-"@stellar/js-xdr@^3.1.0":
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/@stellar/js-xdr/-/js-xdr-3.1.0.tgz#37c23e6c913d011f750808f3d8b60174b633e137"
-  integrity sha512-mYTyFnhgyQgyvpAYZRO1LurUn2MxcIZRj74zZz/BxKEk7zrL4axhQ1ez0HL2BRi0wlG6cHn5BeD/t9Xcyp7CSQ==
+"@stellar/js-xdr@^3.1.1":
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/@stellar/js-xdr/-/js-xdr-3.1.1.tgz#be0ff90c8a861d6e1101bca130fa20e74d5599bb"
+  integrity sha512-3gnPjAz78htgqsNEDkEsKHKosV2BF2iZkoHCNxpmZwUxiPsw+2VaXMed8RRMe0rGk3d5GZe7RrSba8zV80J3Ag==
 
 "@tsconfig/node10@^1.0.7":
   version "1.0.9"