update how buffer is polyfilled to match approach taken by other pack…

…ages in this repo
decentralized-identity · Oct 13, 2023 · e886df7 · e886df7
1 parent 29ecd8c
commit e886df7
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Showing 4 changed files with 19 additions and 4 deletions.
diff --git a/package-lock.json b/package-lock.json
diff --git a/packages/dids/build/buffer-polyfill.cjs b/packages/dids/build/buffer-polyfill.cjs
diff --git a/packages/dids/build/esbuild-browser-config.cjs b/packages/dids/build/esbuild-browser-config.cjs
@@ -1,3 +1,18 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
+const polyfillProviderPlugin = require('node-stdlib-browser/helpers/esbuild/plugin');
+const stdLibBrowser = require('node-stdlib-browser');
+
+const requiredPolyfills = new Set(['buffer']);
+
+// populate object containing lib -> polyfill path
+const polyfills = {};
+for (let lib in stdLibBrowser) {
+  if (requiredPolyfills.has(lib)) {
+    const polyfill = stdLibBrowser[lib];
+    polyfills[lib] = polyfill;
+  }
+}
+
 /** @type {import('esbuild').BuildOptions} */
 module.exports = {
   entryPoints : ['./src/index.ts'],
@@ -7,7 +22,8 @@ module.exports = {
   minify      : true,
   platform    : 'browser',
   target      : ['chrome101', 'firefox108', 'safari16'],
-  inject      : ['./build/buffer-polyfill.cjs'],
+  inject      : [require.resolve('node-stdlib-browser/helpers/esbuild/shim')],
+  plugins     : [polyfillProviderPlugin(polyfills)],
   define      : {
     'global': 'globalThis',
   },

diff --git a/packages/dids/package.json b/packages/dids/package.json
@@ -102,6 +102,7 @@
     "eslint": "8.47.0",
     "karma": "6.4.1",
     "mocha": "10.2.0",
+    "node-stdlib-browser": "1.2.0",
     "rimraf": "4.4.0",
     "sinon": "15.0.2",
     "typescript": "5.1.6"