ES module browser fix

config/rollup.browser.esm.config.js

@@ -2,7 +2,6 @@ import { nodeResolve } from "@rollup/plugin-node-resolve";
 import commonJS from "@rollup/plugin-commonjs";
 import virtual from "@rollup/plugin-virtual";
 import replace from "@rollup/plugin-replace";
-import visualizer from "rollup-plugin-visualizer";
 // Needed by fastfile
 import { O_TRUNC, O_CREAT, O_RDWR, O_EXCL, O_RDONLY } from "constants";
 
@@ -20,14 +19,14 @@ export default {
     input: "main.js",
     output: {
         file: "build/esm.js",
-        format: "es"
+        format: "es",
     },
-    external: ['ffjavascript'],
+    external: ["ffjavascript"],
     plugins: [
         replace({
             // The current default is false, but they are changing it next version
             preventAssignment: false,
-            "process.browser": true
+            "process.browser": true,
         }),
         virtual({
             fs: empty,
@@ -43,13 +42,11 @@ export default {
         nodeResolve({
             browser: true,
             preferBuiltins: false,
-            exportConditions: ["module"]
+            exportConditions: ["module"],
         }),
         commonJS(),
-        // terser(),
-        visualizer(),
     ],
     treeshake: {
         preset: "smallest",
-    }
+    },
 };

package.json

@@ -18,20 +18,22 @@
   "files": [
     "COPYING",
     "README.md",
+    "config",
     "build/",
     "cli.js",
     "main.js",
     "src/",
     "templates/"
   ],
   "scripts": {
+    "prepare": "npm run build:browser:esm",
     "test": "mocha",
     "testv12": "mocha test/fflonk.test.js test/fullprocess.js test/keypar_test.js test/polynomial.test.js",
     "build": "rollup -c config/rollup.cjs.config.js",
     "buildcli": "rollup -c config/rollup.cli.config.js",
     "buildiife": "BROWSER=true rollup -c config/rollup.iife.config.js",
     "buildiifemin": "BROWSER=true rollup -c config/rollup.iife_min.config.js",
-    "build:esm": "BROWSER=true rollup -c config/rollup.browser.esm.config"
+    "build:browser:esm": "BROWSER=true rollup -c config/rollup.browser.esm.config"
   },
   "bin": {
     "snarkjs": "build/cli.cjs"
@@ -61,7 +63,7 @@
     "circom_runtime": "0.1.24",
     "ejs": "^3.1.6",
     "fastfile": "0.0.20",
-    "ffjavascript": "file:../ffjavascript",
+    "ffjavascript": "https://github.com/iden3/ffjavascript.git#chore/esm-patch",
     "js-sha3": "^0.8.0",
     "logplease": "^1.2.15",
     "r1csfile": "0.0.47"