Files
gh-vanman2024-cli-builder-p…/skills/commander-patterns/scripts/generate-subcommand.sh
2025-11-30 09:04:14 +08:00

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#!/bin/bash
# Generate nested subcommand structure for Commander.js
set -euo pipefail
PARENT_COMMAND="${1:?Usage: $0 <parent-command> <subcommand> [output-file]}"
SUBCOMMAND="${2:?Usage: $0 <parent-command> <subcommand> [output-file]}"
OUTPUT_FILE="${3:-src/commands/${PARENT_COMMAND}/${SUBCOMMAND}.ts}"
# Create output directory
mkdir -p "$(dirname "$OUTPUT_FILE")"
echo "📝 Generating subcommand: $PARENT_COMMAND $SUBCOMMAND"
cat > "$OUTPUT_FILE" << 'EOF'
import { Command } from 'commander';
import chalk from 'chalk';
export function create{{SUBCOMMAND_PASCAL}}Command(): Command {
const command = new Command('{{SUBCOMMAND}}')
.description('{{DESCRIPTION}}')
.action(async (options) => {
try {
console.log(chalk.blue(`Running {{PARENT_COMMAND}} {{SUBCOMMAND}}...`));
// TODO: Implement subcommand logic
console.log(chalk.green('✓ Subcommand completed'));
} catch (error) {
console.error(chalk.red('✗ Subcommand failed:'), error.message);
process.exit(1);
}
});
return command;
}
EOF
# Convert to PascalCase
SUBCOMMAND_PASCAL=$(echo "$SUBCOMMAND" | sed -r 's/(^|-)([a-z])/\U\2/g')
# Replace placeholders
sed -i "s/{{PARENT_COMMAND}}/$PARENT_COMMAND/g" "$OUTPUT_FILE"
sed -i "s/{{SUBCOMMAND}}/$SUBCOMMAND/g" "$OUTPUT_FILE"
sed -i "s/{{SUBCOMMAND_PASCAL}}/$SUBCOMMAND_PASCAL/g" "$OUTPUT_FILE"
sed -i "s/{{DESCRIPTION}}/$SUBCOMMAND operation for $PARENT_COMMAND/g" "$OUTPUT_FILE"
# Generate parent command file if it doesn't exist
PARENT_FILE="src/commands/${PARENT_COMMAND}/index.ts"
if [[ ! -f "$PARENT_FILE" ]]; then
mkdir -p "$(dirname "$PARENT_FILE")"
cat > "$PARENT_FILE" << EOF
import { Command } from 'commander';
import { create${SUBCOMMAND_PASCAL}Command } from './${SUBCOMMAND}';
export function create${PARENT_COMMAND^}Command(): Command {
const command = new Command('${PARENT_COMMAND}')
.description('${PARENT_COMMAND^} operations');
// Add subcommands
command.addCommand(create${SUBCOMMAND_PASCAL}Command());
return command;
}
EOF
echo "✅ Created parent command: $PARENT_FILE"
fi
echo "✅ Subcommand generated: $OUTPUT_FILE"
echo ""
echo "Next steps:"
echo " 1. Implement subcommand logic"
echo " 2. Add to parent command: ${PARENT_FILE}"
echo " 3. Import parent in main CLI: program.addCommand(create${PARENT_COMMAND^}Command())"
echo ""