test(coverage/typescript): Add reviewed tsc diagnostics error codes

Author: leaysgur

.gitignore

@@ -11,6 +11,7 @@ target/
 /benchmark/node_modules/
 /tasks/benchmark/codspeed/node_modules/
 /tasks/transform_conformance/node_modules/
+/tasks/coverage/tsc-diagnostics-codes/node_modules/
 /tasks/compat_data/node_modules/
 /tasks/e2e/node_modules/
 /tasks/e2e/tests/nestjs/node_modules/

justfile

@@ -24,6 +24,7 @@ init:
 submodules:
   .github/scripts/clone-parallel.sh
   just update-transformer-fixtures
+  just update-tsc-diagnostics-codes
 
 # Install git pre-commit hook to format files
 install-hook:
@@ -130,7 +131,10 @@ ast:
 
 # ==================== PARSER ====================
 
-# Parser-specific commands will be added here as needed
+# Update reviewed TSC diagnostics codes
+update-tsc-diagnostics-codes:
+  node tasks/coverage/tsc-diagnostics-codes/main.ts
+  git diff --exit-code
 
 # ==================== LINTER ====================
 

pnpm-lock.yaml

@@ -6,7 +6,7 @@ packages:
   - editors/*
   - tasks/transform_conformance
   - tasks/compat_data
-  - tasks/mcp
+  - tasks/coverage/tsc-diagnostics-codes
 
 catalog:
   '@napi-rs/cli': 3.4.1