mjolnir: refactor, 1.9.1 -> 1.9.2, fix building

pkgs/by-name/mj/mjolnir/package.json

···
-{
-  "name": "mjolnir",
-  "version": "1.9.1",
-  "description": "A moderation tool for Matrix",
-  "main": "lib/index.js",
-  "repository": "[e-mail]:matrix-org/mjolnir.git",
-  "author": "The Matrix.org Foundation C.I.C.",
-  "license": "Apache-2.0",
-  "private": true,
-  "scripts": {
-    "build": "tsc",
-    "postbuild": "rm -rf lib/test/ && cp -r lib/src/* lib/ && rm -rf lib/src/",
-    "lint": "tslint --project ./tsconfig.json -t stylish && npx prettier . --check",
-    "start:dev": "yarn build && node --async-stack-traces lib/index.js",
-    "test": "ts-mocha --project ./tsconfig.json test/commands/**/*.ts",
-    "test:integration": "NODE_ENV=harness ts-mocha --async-stack-traces --require test/integration/fixtures.ts --timeout 300000 --project ./tsconfig.json \"test/integration/**/*Test.ts\"",
-    "test:integration:single": "NODE_ENV=harness npx ts-mocha --require test/integration/fixtures.ts --timeout 300000 --project ./tsconfig.json",
-    "test:appservice:integration": "NODE_ENV=harness ts-mocha --async-stack-traces --timeout 300000 --project ./tsconfig.json \"test/appservice/integration/**/*Test.ts\"",
-    "test:appservice:integration:single": "NODE_ENV=harness npx ts-mocha --timeout 300000 --project ./tsconfig.json",
-    "test:manual": "NODE_ENV=harness ts-node test/integration/manualLaunchScript.ts",
-    "version": "sed -i '/# version automated/s/[0-9][0-9]*\\.[0-9][0-9]*\\.[0-9][0-9]*/'$npm_package_version'/' synapse_antispam/setup.py && git add synapse_antispam/setup.py && cat synapse_antispam/setup.py"
-  },
-  "devDependencies": {
-    "@types/config": "^3.3.0",
-    "@types/crypto-js": "^4.0.2",
-    "@types/express": "^4.17.13",
-    "@types/html-to-text": "^8.0.1",
-    "@types/humanize-duration": "^3.27.1",
-    "@types/js-yaml": "^4.0.5",
-    "@types/jsdom": "^16.2.11",
-    "@types/mocha": "^9.0.0",
-    "@types/nedb": "^1.8.12",
-    "@types/node": "^18.0.0",
-    "@types/pg": "^8.6.5",
-    "@types/request": "^2.48.8",
-    "@types/shell-quote": "1.7.1",
-    "crypto-js": "^4.2.0",
-    "eslint": "^7.32",
-    "expect": "^27.0.6",
-    "mocha": "^9.0.1",
-    "ts-mocha": "^9.0.2",
-    "tslint": "^6.1.3",
-    "typescript": "^4.8.4",
-    "typescript-formatter": "^7.2"
-  },
-  "dependencies": {
-    "@sentry/node": "^7.17.2",
-    "@sentry/tracing": "^7.17.2",
-    "@tensorflow/tfjs-node": "^4.21.0",
-    "@vector-im/matrix-bot-sdk": "^0.7.1-element.6",
-    "await-lock": "^2.2.2",
-    "axios": "^1.7.6",
-    "body-parser": "^1.20.1",
-    "config": "^3.3.8",
-    "express": "^4.20",
-    "html-to-text": "^8.0.0",
-    "humanize-duration": "^3.27.1",
-    "humanize-duration-ts": "^2.1.1",
-    "js-yaml": "^4.1.0",
-    "jsdom": "^16.6.0",
-    "lru-cache": "^11.0.1",
-    "matrix-appservice-bridge": "10.3.1",
-    "nsfwjs": "^4.1.0",
-    "parse-duration": "^1.0.2",
-    "pg": "^8.8.0",
-    "prom-client": "^14.1.0",
-    "shell-quote": "^1.7.3",
-    "ulidx": "^0.3.0",
-    "yaml": "^2.2.2"
-  },
-  "engines": {
-    "node": ">=20.0.0"
-  },
-  "packageManager": "yarn@1.22.22+sha512.a6b2f7906b721bba3d67d4aff083df04dad64c399707841b7acf00f6b133b7ac24255f2652fa22ae3534329dc6180534e98d17432037ff6fd140556e2bb3137e"
-}

pkgs/by-name/mj/mjolnir/package.nix

···
 {
   lib,
-  mkYarnPackage,
+  stdenv,
+  yarnConfigHook,
+  yarnBuildHook,
+  yarnInstallHook,
+  nodejs,
   fetchFromGitHub,
   fetchYarnDeps,
   matrix-sdk-crypto-nodejs,
   makeWrapper,
-  nodejs,
   nixosTests,
 }:
 
-mkYarnPackage rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "mjolnir";
-  version = "1.9.1";
+  version = "1.9.2";
 
   src = fetchFromGitHub {
     owner = "matrix-org";
     repo = "mjolnir";
-    tag = "v${version}";
-    hash = "sha256-LK2CgMLDJHfr1+ejHYeJNw2ekCnUA8GHufZ6vbifzGQ=";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-OxHnCMP6IP0EaAs4YQgmV04tq6IdAYmKQX8O9Q48CPk=";
   };
 
   patches = [
···
     ./001-disable-nsfwprotection.patch
   ];
 
-  packageJSON = ./package.json;
-
   offlineCache = fetchYarnDeps {
-    yarnLock = src + "/yarn.lock";
+    yarnLock = "${finalAttrs.src}/yarn.lock";
     hash = "sha256-1V7ooONt9j+4hk/3w6Dsv/SdWwa1xsLk97EwhuPegNo=";
   };
 
-  packageResolutions = {
-    "@matrix-org/matrix-sdk-crypto-nodejs" =
-      "${matrix-sdk-crypto-nodejs}/lib/node_modules/@matrix-org/matrix-sdk-crypto-nodejs";
-  };
+  nativeBuildInputs = [
+    yarnConfigHook
+    yarnBuildHook
+    yarnInstallHook
+    nodejs
+    makeWrapper
+  ];
 
-  nativeBuildInputs = [ makeWrapper ];
-
-  buildPhase = ''
-    runHook preBuild
+  postInstall = ''
+    cp -r lib/* $out/lib/node_modules/mjolnir/lib/
 
-    pushd deps/${pname}
-    yarn run build
-    popd
+    rm -rf $out/lib/node_modules/mjolnir/node_modules/@matrix-org/matrix-sdk-crypto-nodejs
+    ln -s ${matrix-sdk-crypto-nodejs}/lib/node_modules/@matrix-org/matrix-sdk-crypto-nodejs $out/lib/node_modules/mjolnir/node_modules/@matrix-org/matrix-sdk-crypto-nodejs
 
-    runHook postBuild
-  '';
-
-  postInstall = ''
     makeWrapper ${nodejs}/bin/node "$out/bin/mjolnir" \
-      --add-flags "$out/libexec/mjolnir/deps/mjolnir/lib/index.js"
+      --add-flags "$out/lib/node_modules/mjolnir/lib/index.js"
   '';
 
   passthru = {
···
     };
   };
 
-  meta = with lib; {
+  meta = {
     description = "Moderation tool for Matrix";
     homepage = "https://github.com/matrix-org/mjolnir";
     longDescription = ''
···
       A Synapse module is also available to apply the same rulesets the bot
       uses across an entire homeserver.
     '';
-    license = licenses.asl20;
-    maintainers = with maintainers; [ jojosch ];
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ jojosch ];
     mainProgram = "mjolnir";
   };
-}
+})