インポートの整理

#!/bin/bash

# Simplified Droid Import Refactoring Script
# A cookbook example of using AI to refactor imports across a codebase
#
# Usage: ./droid-refactor-imports.sh [directory]
# Example: ./droid-refactor-imports.sh src

set -e

# Configuration
CONCURRENCY=${CONCURRENCY:-5}
DRY_RUN=${DRY_RUN:-false}
TARGET_DIR="${1:-.}"

# Colors for output
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m'

# Temp files for tracking
TEMP_DIR=$(mktemp -d)
FILES_LIST="$TEMP_DIR/files.txt"
MODIFIED_COUNT=0
PROCESSED_COUNT=0

# Cleanup on exit
trap "rm -rf $TEMP_DIR" EXIT

# Function to process a single file
process_file() {
    local filepath="$1"
    local filename=$(basename "$filepath")
    
    # Check if file has imports
    if ! grep -qE "^import |^const .* = require\(|^export .* from" "$filepath" 2>/dev/null; then
        return 0
    fi
    
    echo -e "${BLUE}Processing: $filepath${NC}"
    
    # The AI prompt for refactoring imports
    local prompt="Refactor the imports in $filepath:

1. Group imports in this order with blank lines between:
   - External packages (node_modules)
   - Internal/absolute imports (@/ or src/)
   - Relative imports (./ or ../)

2. Sort alphabetically within each group
3. Remove unused imports
4. Convert require() to ES6 imports
5. Consolidate duplicate imports from same module

Only modify imports, preserve all other code exactly.
Return the complete refactored file."
    
    if [ "$DRY_RUN" = "true" ]; then
        echo -e "${YELLOW}  [DRY RUN] Would refactor imports${NC}"
        return 0
    fi
    
    # Get original file hash for comparison
    local original_hash=$(md5sum "$filepath" 2>/dev/null | cut -d' ' -f1 || md5 -q "$filepath")
    
    # Run droid to refactor the file
    if droid exec --auto low "$prompt" 2>/dev/null; then
        # Check if file was modified
        local new_hash=$(md5sum "$filepath" 2>/dev/null | cut -d' ' -f1 || md5 -q "$filepath")
        if [ "$original_hash" != "$new_hash" ]; then
            echo -e "${GREEN}  ✓ Refactored${NC}"
            ((MODIFIED_COUNT++))
        fi
        ((PROCESSED_COUNT++))
    else
        echo "  ✗ Failed to process"
    fi
}

# Export function and variables for parallel execution
export -f process_file
export DRY_RUN GREEN YELLOW BLUE NC

# Main execution
echo -e "${BLUE}=== Droid Import Refactoring ===${NC}"
echo -e "${BLUE}Directory: $TARGET_DIR${NC}"
echo -e "${BLUE}Concurrency: $CONCURRENCY${NC}"
[ "$DRY_RUN" = "true" ] && echo -e "${YELLOW}DRY RUN MODE${NC}"
echo ""

# Find JavaScript and TypeScript files
find "$TARGET_DIR" -type f \
    \( -name "*.js" -o -name "*.jsx" -o -name "*.ts" -o -name "*.tsx" \) \
    ! -path "*/node_modules/*" \
    ! -path "*/.git/*" \
    ! -path "*/dist/*" \
    ! -path "*/build/*" \
    > "$FILES_LIST"

FILE_COUNT=$(wc -l < "$FILES_LIST" | tr -d ' ')

if [ "$FILE_COUNT" -eq 0 ]; then
    echo -e "${YELLOW}No JavaScript/TypeScript files found${NC}"
    exit 0
fi

echo -e "${BLUE}Found $FILE_COUNT files to check${NC}\n"

# Process files in parallel
cat "$FILES_LIST" | xargs -n 1 -P "$CONCURRENCY" -I {} bash -c 'process_file "$@"' _ {}

# Show summary
echo -e "\n${BLUE}=== Summary ===${NC}"
echo -e "${GREEN}Files processed: $PROCESSED_COUNT${NC}"
[ "$DRY_RUN" = "false" ] && echo -e "${GREEN}Files modified: $MODIFIED_COUNT${NC}"

if [ "$DRY_RUN" = "false" ] && [ "$MODIFIED_COUNT" -gt 0 ]; then
    echo -e "\n${BLUE}Next steps:${NC}"
    echo "  git diff           # Review changes"
    echo "  git add -A         # Stage changes"
    echo "  git commit -m 'refactor: organize imports'"
fi