refactor: extract runtime Core into scripts/core.ts; runtime.mjs becomes a thin shell

Core exposes buildIndex/searchText/executeQuery/executeAttune as the single shared
implementation for all transports. First TypeScript module, run via Node type
stripping in dev. Adds typescript-eslint. lint/typecheck green, test 107/107.

eslint.config.js

@@ -1,12 +1,12 @@
 // Flat ESLint config for the Obelisk root (Core + skill runtime + tests).
-// Scope: the ESM sources under scripts/ and tests/. The Electron app has its own
+// Scope: the ESM/TS sources under scripts/ and tests/. The Electron app has its
-// package and toolchain and is intentionally excluded (see docs/adr/0003).
+// own package and toolchain and is intentionally excluded (see docs/adr/0003).
-// typescript-eslint is deferred to Phase 4, when the first .ts files land.
 
 import js from '@eslint/js';
 import globals from 'globals';
+import tseslint from 'typescript-eslint';
 
-export default [
+export default tseslint.config(
   {
     ignores: [
       'node_modules/**',
@@ -32,4 +32,14 @@ export default [
       'no-unused-vars': ['warn', { argsIgnorePattern: '^_', varsIgnorePattern: '^_' }],
     },
   },
-];
+  {
+    files: ['**/*.ts'],
+    extends: [...tseslint.configs.recommended],
+    languageOptions: {
+      globals: { ...globals.node },
+    },
+    rules: {
+      '@typescript-eslint/no-unused-vars': ['warn', { argsIgnorePattern: '^_', varsIgnorePattern: '^_' }],
+    },
+  },
+);

package-lock.json

@@ -13,7 +13,8 @@
         "@types/node": "^26.1.1",
         "eslint": "^10.6.0",
         "globals": "^17.7.0",
-        "typescript": "^6.0.3"
+        "typescript": "^6.0.3",
+        "typescript-eslint": "^8.63.0"
       }
     },
     "node_modules/@eslint-community/eslint-utils": {
@@ -241,6 +242,236 @@
         "undici-types": "~8.3.0"
       }
     },
+    "node_modules/@typescript-eslint/eslint-plugin": {
+      "version": "8.63.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.63.0.tgz",
+      "integrity": "sha512-rvwSgqT+DHpWdzfSzPatRLm02a0GlESt++9iy3hLCDY4BgkaLcl8LBi9Yh7XGFBpwcBE/K3024QuXWTpbz4FfQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@eslint-community/regexpp": "^4.12.2",
+        "@typescript-eslint/scope-manager": "8.63.0",
+        "@typescript-eslint/type-utils": "8.63.0",
+        "@typescript-eslint/utils": "8.63.0",
+        "@typescript-eslint/visitor-keys": "8.63.0",
+        "ignore": "^7.0.5",
+        "natural-compare": "^1.4.0",
+        "ts-api-utils": "^2.5.0"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependencies": {
+        "@typescript-eslint/parser": "^8.63.0",
+        "eslint": "^8.57.0 || ^9.0.0 || ^10.0.0",
+        "typescript": ">=4.8.4 <6.1.0"
+      }
+    },
+    "node_modules/@typescript-eslint/eslint-plugin/node_modules/ignore": {
+      "version": "7.0.5",
+      "resolved": "https://registry.npmjs.org/ignore/-/ignore-7.0.5.tgz",
+      "integrity": "sha512-Hs59xBNfUIunMFgWAbGX5cq6893IbWg4KnrjbYwX3tx0ztorVgTDA6B2sxf8ejHJ4wz8BqGUMYlnzNBer5NvGg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">= 4"
+      }
+    },
+    "node_modules/@typescript-eslint/parser": {
+      "version": "8.63.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-8.63.0.tgz",
+      "integrity": "sha512-gwh4gvvlaVDKKxyfxMG+Gnu1u9X0OQBwyGLkbwB65dIzBKnxeRiJlNFqlI3zwVhNXJIs6qV7mlFCn/BIajlVig==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@typescript-eslint/scope-manager": "8.63.0",
+        "@typescript-eslint/types": "8.63.0",
+        "@typescript-eslint/typescript-estree": "8.63.0",
+        "@typescript-eslint/visitor-keys": "8.63.0",
+        "debug": "^4.4.3"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependencies": {
+        "eslint": "^8.57.0 || ^9.0.0 || ^10.0.0",
+        "typescript": ">=4.8.4 <6.1.0"
+      }
+    },
+    "node_modules/@typescript-eslint/project-service": {
+      "version": "8.63.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/project-service/-/project-service-8.63.0.tgz",
+      "integrity": "sha512-e5dh0/UI0ok53AlZ5wRkXCB32z/f2jUZqPR/ygAw5WYaSw8j9EoJWlS7wQjr/dmOaqWjnPIn2m+HhVPCMWGZVQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@typescript-eslint/tsconfig-utils": "^8.63.0",
+        "@typescript-eslint/types": "^8.63.0",
+        "debug": "^4.4.3"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependencies": {
+        "typescript": ">=4.8.4 <6.1.0"
+      }
+    },
+    "node_modules/@typescript-eslint/scope-manager": {
+      "version": "8.63.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-8.63.0.tgz",
+      "integrity": "sha512-uUyfMWCnDSN8bCpcrY8nGP2BLkQ9Xn0GsipcONcpIDWhwhO4ZSyHvyS14U3X75mzxWxL3I2UZIrenTzdzcJO8A==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@typescript-eslint/types": "8.63.0",
+        "@typescript-eslint/visitor-keys": "8.63.0"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      }
+    },
+    "node_modules/@typescript-eslint/tsconfig-utils": {
+      "version": "8.63.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/tsconfig-utils/-/tsconfig-utils-8.63.0.tgz",
+      "integrity": "sha512-sUAbkulqBAsncKnbRP3+7CtQFRKicexnj7ZwNC6ddCR7EmrXvjvdCYMJbUIqMd6lwoEriZjwLo08aS5tSjVMHg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependencies": {
+        "typescript": ">=4.8.4 <6.1.0"
+      }
+    },
+    "node_modules/@typescript-eslint/type-utils": {
+      "version": "8.63.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-8.63.0.tgz",
+      "integrity": "sha512-Nzzh/OGxVCOjObjaj1CQF2RUasyYy2Jfuh+zZ3PjLzG2fYRriAiZLib9UKtO+CpQAS3YHiAS+ckZDclwqI1TPA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@typescript-eslint/types": "8.63.0",
+        "@typescript-eslint/typescript-estree": "8.63.0",
+        "@typescript-eslint/utils": "8.63.0",
+        "debug": "^4.4.3",
+        "ts-api-utils": "^2.5.0"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependencies": {
+        "eslint": "^8.57.0 || ^9.0.0 || ^10.0.0",
+        "typescript": ">=4.8.4 <6.1.0"
+      }
+    },
+    "node_modules/@typescript-eslint/types": {
+      "version": "8.63.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-8.63.0.tgz",
+      "integrity": "sha512-xyLtl9DUBBFrcJS4x2pIqGLH68/tC2uOa4Z7pUteW09D3bXnnXUom4dyPikzWgB7llmIc1zoeI3aoUdC4rPK/Q==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      }
+    },
+    "node_modules/@typescript-eslint/typescript-estree": {
+      "version": "8.63.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-8.63.0.tgz",
+      "integrity": "sha512-ygBkU+B7ex5UI/gKhaqexWev79uISfIv7XQCRNYO/jmD8rGLPyWLAb3KMRT6nd8Gt9bmUBi9+iX6tBdYfOY81Q==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@typescript-eslint/project-service": "8.63.0",
+        "@typescript-eslint/tsconfig-utils": "8.63.0",
+        "@typescript-eslint/types": "8.63.0",
+        "@typescript-eslint/visitor-keys": "8.63.0",
+        "debug": "^4.4.3",
+        "minimatch": "^10.2.2",
+        "semver": "^7.7.3",
+        "tinyglobby": "^0.2.15",
+        "ts-api-utils": "^2.5.0"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependencies": {
+        "typescript": ">=4.8.4 <6.1.0"
+      }
+    },
+    "node_modules/@typescript-eslint/utils": {
+      "version": "8.63.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/utils/-/utils-8.63.0.tgz",
+      "integrity": "sha512-fUKaeAvrTuQg/Tgt3nliAUSZHJM6DlCcfyEmxCvlX8kieWSStBX+5O5Fnidtc3i2JrH+9c/GL4RY2iasd/GPTA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@eslint-community/eslint-utils": "^4.9.1",
+        "@typescript-eslint/scope-manager": "8.63.0",
+        "@typescript-eslint/types": "8.63.0",
+        "@typescript-eslint/typescript-estree": "8.63.0"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependencies": {
+        "eslint": "^8.57.0 || ^9.0.0 || ^10.0.0",
+        "typescript": ">=4.8.4 <6.1.0"
+      }
+    },
+    "node_modules/@typescript-eslint/visitor-keys": {
+      "version": "8.63.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-8.63.0.tgz",
+      "integrity": "sha512-UexrHGnGTpbuQHct2ExOc2ZcFbGUS9FOesCxxqdBGcpI1BxYu/LZ6U8Aq6/72XtF/qRBk9nhuGHFJIXXMhPMdw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@typescript-eslint/types": "8.63.0",
+        "eslint-visitor-keys": "^5.0.0"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      }
+    },
     "node_modules/acorn": {
       "version": "8.17.0",
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.17.0.tgz",
@@ -533,6 +764,24 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/fdir": {
+      "version": "6.5.0",
+      "resolved": "https://registry.npmjs.org/fdir/-/fdir-6.5.0.tgz",
+      "integrity": "sha512-tIbYtZbucOs0BRGqPJkshJUYdL+SDH7dVM8gjy+ERp3WAUjLEFJE+02kanyHtwjWOnwrKYBiwAmM0p4kLJAnXg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12.0.0"
+      },
+      "peerDependencies": {
+        "picomatch": "^3 || ^4"
+      },
+      "peerDependenciesMeta": {
+        "picomatch": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/file-entry-cache": {
       "version": "8.0.0",
       "resolved": "https://registry.npmjs.org/file-entry-cache/-/file-entry-cache-8.0.0.tgz",
@@ -821,6 +1070,19 @@
         "node": ">=8"
       }
     },
+    "node_modules/picomatch": {
+      "version": "4.0.5",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.5.tgz",
+      "integrity": "sha512-RvwwcruNjI1ncT5xRakeyS9Lf8lcItv34KD+aif+VH9kduAyfYBipGh12274xtenIPZ119/R9BdTBa8gAwSh0A==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/prelude-ls": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.2.1.tgz",
@@ -841,6 +1103,19 @@
         "node": ">=6"
       }
     },
+    "node_modules/semver": {
+      "version": "7.8.5",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.8.5.tgz",
+      "integrity": "sha512-Y7/KDsb8LjooZpwaqGyulO6DQlksgCncchHGk+sZIY4SBvUocMBEFH5Ur1fI4dV+Jvl0w6cjvucaIi40puRioA==",
+      "dev": true,
+      "license": "ISC",
+      "bin": {
+        "semver": "bin/semver.js"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/shebang-command": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
@@ -864,6 +1139,36 @@
         "node": ">=8"
       }
     },
+    "node_modules/tinyglobby": {
+      "version": "0.2.17",
+      "resolved": "https://registry.npmjs.org/tinyglobby/-/tinyglobby-0.2.17.tgz",
+      "integrity": "sha512-wXR/dYpcqKmfWpEdZjiKJOwCNFndD0DMnrW/cYjVGttEkBfVgcLFHoNrlj47mjOVic9yyNu65alsgF4NQyTa2g==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "fdir": "^6.5.0",
+        "picomatch": "^4.0.4"
+      },
+      "engines": {
+        "node": ">=12.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/SuperchupuDev"
+      }
+    },
+    "node_modules/ts-api-utils": {
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/ts-api-utils/-/ts-api-utils-2.5.0.tgz",
+      "integrity": "sha512-OJ/ibxhPlqrMM0UiNHJ/0CKQkoKF243/AEmplt3qpRgkW8VG7IfOS41h7V8TjITqdByHzrjcS/2si+y4lIh8NA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=18.12"
+      },
+      "peerDependencies": {
+        "typescript": ">=4.8.4"
+      }
+    },
     "node_modules/type-check": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",
@@ -891,6 +1196,30 @@
         "node": ">=14.17"
       }
     },
+    "node_modules/typescript-eslint": {
+      "version": "8.63.0",
+      "resolved": "https://registry.npmjs.org/typescript-eslint/-/typescript-eslint-8.63.0.tgz",
+      "integrity": "sha512-xgwXyzG4sK9ALkBxbyGkTMMOS+imnW65iPhxCQMK83KhxyoDNW7l+IDqEf9vMdoUidHpOoS967RCq4eMiTexwQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@typescript-eslint/eslint-plugin": "8.63.0",
+        "@typescript-eslint/parser": "8.63.0",
+        "@typescript-eslint/typescript-estree": "8.63.0",
+        "@typescript-eslint/utils": "8.63.0"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependencies": {
+        "eslint": "^8.57.0 || ^9.0.0 || ^10.0.0",
+        "typescript": ">=4.8.4 <6.1.0"
+      }
+    },
     "node_modules/undici-types": {
       "version": "8.3.0",
       "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.3.0.tgz",

package.json

@@ -15,6 +15,7 @@
     "@types/node": "^26.1.1",
     "eslint": "^10.6.0",
     "globals": "^17.7.0",
-    "typescript": "^6.0.3"
+    "typescript": "^6.0.3",
+    "typescript-eslint": "^8.63.0"
   }
 }

scripts/core.ts

@@ -0,0 +1,64 @@
+// Obelisk Core (see docs/adr/0003-core-typescript-esm-precompiled.md).
+//
+// The single shared implementation behind every transport. runtime.mjs (skill),
+// and later the CLI and MCP server, are thin shells over these four functions;
+// none of them re-implement retrieval or own the DB lifecycle.
+//
+// Authored in TypeScript with erasable-only syntax so Node can run it directly
+// via type stripping in development, while the skill artifact ships the tsc
+// output (Phase 6). The heavy internals (db/indexer/query) remain .mjs for now
+// and are migrated in later phases; Core is the typed seam over them.
+
+import { createContext, runInNewContext } from 'node:vm';
+
+import { DB_PATH, openDb } from './db.mjs';
+import { buildIndex } from './indexer.mjs';
+import { createQueryApi, createAttuneApi } from './query.mjs';
+
+export { buildIndex, DB_PATH };
+
+type SandboxApi = Record<string, unknown>;
+
+// Run a user-supplied CodeAct script inside the query/attune sandbox. The script
+// body runs as an async IIFE with a 30s timeout; its `return` value is resolved.
+function runInSandbox(api: SandboxApi, scriptContent: string): Promise<unknown> {
+  const sandbox = {
+    ...api, JSON, Math, Array, Object, Set, Map, Date, RegExp,
+    parseInt, parseFloat, String, Number, Boolean, Error, Promise, console, setTimeout,
+  };
+  const ctx = createContext(sandbox);
+  return runInNewContext(`(async()=>{${scriptContent}})()`, ctx, { timeout: 30000 });
+}
+
+// FTS search over indexed message text. Refreshes the index, then queries.
+export function searchText(text: string, opts?: Record<string, unknown>): unknown {
+  buildIndex();
+  const db = openDb();
+  try {
+    return createQueryApi(db).search(text, opts);
+  } finally {
+    db.close();
+  }
+}
+
+// Execute a read-only CodeAct query script and resolve its returned value.
+export async function executeQuery(scriptContent: string): Promise<unknown> {
+  buildIndex();
+  const db = openDb();
+  try {
+    return await runInSandbox(createQueryApi(db), scriptContent);
+  } finally {
+    db.close();
+  }
+}
+
+// Execute a memory-mutation CodeAct script (remember/forget only).
+export async function executeAttune(scriptContent: string): Promise<unknown> {
+  buildIndex();
+  const db = openDb();
+  try {
+    return await runInSandbox(createAttuneApi(db), scriptContent);
+  } finally {
+    db.close();
+  }
+}

scripts/runtime.mjs

@@ -1,32 +1,16 @@
 #!/usr/bin/env node
+// Skill transport: a thin CLI shell over Obelisk Core (scripts/core.ts).
+// It only parses args, reads script files, prints JSON, and owns the uniform
+// { error, stack } + exit-1 error envelope. All logic lives in Core.
+
 import { createRequire } from 'node:module';
 const require = createRequire(import.meta.url);
 const fs = require('node:fs');
 const path = require('node:path');
-const vm = require('node:vm');
 
-import { DB_PATH, openDb } from './db.mjs';
+import { DB_PATH, buildIndex, searchText, executeQuery, executeAttune } from './core.ts';
-import { buildIndex } from './indexer.mjs';
-import { createQueryApi, createAttuneApi } from './query.mjs';
 
-function executeScript(api, scriptContent) {
+async function main() {
-  const sandbox = {
-    ...api, JSON, Math, Array, Object, Set, Map, Date, RegExp,
-    parseInt, parseFloat, String, Number, Boolean, Error, Promise, console, setTimeout,
-  };
-  const ctx = vm.createContext(sandbox);
-  return vm.runInNewContext(`(async()=>{${scriptContent}})()`, ctx, { timeout: 30000 });
-}
-
-function executeQuery(db, scriptContent) {
-  return executeScript(createQueryApi(db), scriptContent);
-}
-
-function executeAttune(db, scriptContent) {
-  return executeScript(createAttuneApi(db), scriptContent);
-}
-
-function main() {
   const args = process.argv.slice(2);
   // Uniform error envelope across all four verbs: a failure is reported as
   // { error, stack } on stdout with exit code 1, never a raw crash on stderr.
@@ -34,6 +18,8 @@ function main() {
     process.stdout.write(JSON.stringify({ error: e.message, stack: e.stack }) + '\n');
     process.exitCode = 1;
   };
+  const emit = (r) => process.stdout.write(JSON.stringify(r, null, 2) + '\n');
+
   if (args[0] === '--build') {
     try {
       buildIndex({ force: true });
@@ -42,34 +28,15 @@ function main() {
     return;
   }
   if (args[0] === '--search' && args[1]) {
-    let db;
+    try { emit(searchText(args.slice(1).join(' '))); } catch (e) { fail(e); }
-    try {
-      buildIndex();
-      db = openDb();
-      process.stdout.write(JSON.stringify(createQueryApi(db).search(args.slice(1).join(' ')), null, 2) + '\n');
-    } catch (e) {
-      fail(e);
-    } finally {
-      if (db) db.close();
-    }
     return;
   }
   if (args[0] === '--query' && args[1]) {
-    buildIndex();
+    try { emit(await executeQuery(fs.readFileSync(path.resolve(args[1]), 'utf8'))); } catch (e) { fail(e); }
-    const db = openDb();
-    const script = fs.readFileSync(path.resolve(args[1]), 'utf8');
-    executeQuery(db, script)
-      .then(r => { process.stdout.write(JSON.stringify(r, null, 2) + '\n'); db.close(); })
-      .catch(e => { process.stdout.write(JSON.stringify({ error: e.message, stack: e.stack }) + '\n'); db.close(); process.exitCode = 1; });
     return;
   }
   if (args[0] === '--attune' && args[1]) {
-    buildIndex();
+    try { emit(await executeAttune(fs.readFileSync(path.resolve(args[1]), 'utf8'))); } catch (e) { fail(e); }
-    const db = openDb();
-    const script = fs.readFileSync(path.resolve(args[1]), 'utf8');
-    executeAttune(db, script)
-      .then(r => { process.stdout.write(JSON.stringify(r, null, 2) + '\n'); db.close(); })
-      .catch(e => { process.stdout.write(JSON.stringify({ error: e.message, stack: e.stack }) + '\n'); db.close(); process.exitCode = 1; });
     return;
   }
   process.stderr.write('Usage:\n  node runtime.mjs --build\n  node runtime.mjs --search "text"\n  node runtime.mjs --query <file.js>\n  node runtime.mjs --attune <file.js>\n');

tsconfig.json

@@ -9,6 +9,7 @@
     "noEmit": true,
     "allowJs": true,
     "checkJs": false,
+    "erasableSyntaxOnly": true,
     "skipLibCheck": true,
     "esModuleInterop": true,
     "resolveJsonModule": true,