Initial commit

hooks/eslint-check.sh

@@ -0,0 +1,68 @@
+#!/bin/bash
+
+# ESLint hook for Claude Code (Plugin Mode)
+# Checks files with ESLint after edits and outputs JSON format
+
+# Source utilities
+source "$(dirname "$0")/../../shared/hooks/utils.sh"
+
+# Helper function to output JSON and exit
+output_json() {
+    echo "$1"
+    exit 0
+}
+
+# Read input from stdin
+INPUT=$(cat)
+
+# Parse input and extract fields
+if ! parse_hook_input "$INPUT"; then
+    output_json '{}'
+fi
+
+# Check if project has local eslint hook override
+if has_project_hook_override "$PROJECT_DIR" "eslint"; then
+    output_json '{}'
+fi
+
+# Check if project has eslint configured
+if ! has_eslint_config "$PROJECT_DIR"; then
+    output_json '{}'
+fi
+
+# Get the appropriate package runner
+PKG_RUNNER=$(get_package_runner)
+
+# Run ESLint on the file and capture output
+ESLINT_OUTPUT=$(cd "$PROJECT_DIR" && $PKG_RUNNER eslint "$FILE_PATH" 2>&1)
+ESLINT_EXIT_CODE=$?
+
+# Filter out "File ignored" errors from ESLint output
+if echo "$ESLINT_OUTPUT" | grep -q "File ignored"; then
+    output_json '{}'
+fi
+
+# Filter out "couldn't find an eslint" errors (no config file found)
+if echo "$ESLINT_OUTPUT" | grep -iq "couldn't find an eslint"; then
+    output_json '{}'
+fi
+
+if [[ $ESLINT_EXIT_CODE -eq 0 ]]; then
+    # Success - no errors found
+    output_json '{}'
+elif [[ $ESLINT_EXIT_CODE -eq 1 ]]; then
+    # Rule violations - block the agent as they are actionable
+    # Escape the output for JSON
+    ESCAPED_OUTPUT=$(echo "$ESLINT_OUTPUT" | jq -Rs .)
+    output_json "{\"decision\": \"block\", \"reason\": $ESCAPED_OUTPUT}"
+elif [[ $ESLINT_EXIT_CODE -eq 2 ]]; then
+    # Technical issues (config errors, missing deps, etc.) - don't block but provide feedback
+    ERROR_MSG="ESLint encountered a technical issue with $FILE_PATH (exit code 2): $ESLINT_OUTPUT"
+    ESCAPED_MSG=$(echo "$ERROR_MSG" | jq -Rs .)
+    output_json "{\"hookSpecificOutput\": {\"hookEventName\": \"PostToolUse\", \"additionalContext\": $ESCAPED_MSG}}"
+else
+    # Unexpected exit code - don't block but provide feedback
+    ERROR_MSG="ESLint returned unexpected exit code $ESLINT_EXIT_CODE for $FILE_PATH: $ESLINT_OUTPUT"
+    ESCAPED_MSG=$(echo "$ERROR_MSG" | jq -Rs .)
+    output_json "{\"hookSpecificOutput\": {\"hookEventName\": \"PostToolUse\", \"additionalContext\": $ESCAPED_MSG}}"
+fi

hooks/hooks.json

@@ -0,0 +1,15 @@
+{
+  "hooks": {
+    "PostToolUse": [
+      {
+        "matcher": "Edit|Write|MultiEdit",
+        "hooks": [
+          {
+            "type": "command",
+            "command": "bash ${CLAUDE_PLUGIN_ROOT}/hooks/eslint-check.sh"
+          }
+        ]
+      }
+    ]
+  }
+}