browserpass-extension: avoid IFD

pkgs/additional/browserpass-extension/default.nix

@@ -27,8 +27,13 @@ let
   };
   browserpass-extension-yarn-modules = mkYarnModules {
     inherit pname version;
-    packageJSON = "${src}/src/package.json";
-    yarnLock = "${src}/src/yarn.lock";
+    packageJSON = ./package.json;
+    yarnLock = ./yarn.lock;
+    # yarnNix is auto-generated. to update: leave unset, then query the package deps and copy it out of the store.
+    yarnNix = ./yarn.nix;
+    # the following also works, but because it's IFD it's not allowed by some users, like NUR.
+    # packageJSON = "${src}/src/package.json";
+    # yarnLock = "${src}/src/yarn.lock";
   };
   extid = "browserpass@maximbaz.com";
 in stdenv.mkDerivation {

pkgs/additional/browserpass-extension/package.json

@@ -0,0 +1,34 @@
+{
+    "name": "browserpass-extension",
+    "version": "3.7.2",
+    "description": "Browser extension for zx2c4's pass (password manager) - Community Edition.",
+    "homepage": "https://github.com/browserpass/browserpass-extension",
+    "license": "ISC",
+    "author": [
+        {
+            "name": "Maxim Baz",
+            "email": "browserpass@maximbaz.com"
+        },
+        {
+            "name": "Steve Gilberd",
+            "email": "steve@erayd.net"
+        }
+    ],
+    "dependencies": {
+        "@browserpass/url": "^1.1.6",
+        "chrome-extension-async": "^3.4.1",
+        "fuzzysort": "^1.1.4",
+        "hash.js": "^1.1.7",
+        "idb": "^4.0.5",
+        "ignore": "^5.1.8",
+        "mithril": "^1.1.7",
+        "moment": "^2.27.0",
+        "otplib": "^11.0.0",
+        "sha1": "^1.1.1"
+    },
+    "devDependencies": {
+        "browserify": "^16.5.2",
+        "less": "^3.12.2",
+        "prettier": "^2.0.5"
+    }
+}