Wrapper for mermaid-cli run within a docker container

mmdc

#!/bin/bash

# Wrapper for mermaid-cli run within a docker container
# copy mmdc into $bin and use as you would use mermaid-cli



# Ensures the script exits if a command fails
set -e

# Docker image to use
DOCKER_IMAGE="minlag/mermaid-cli"

# Initial variable setup
input_file=""
output_file=""
config_file=""
css_file=""
puppeteer_config_file=""

# Parse command line arguments
while (( "$#" )); do
  case "$1" in
    -h|--help)
      docker run --rm -it $DOCKER_IMAGE mmdc -h
      exit 0
      ;;
    -i|--input)
      input_file=$2
      shift 2
      ;;
    -o|--output)
      output_file=$2
      shift 2
      ;;
    -c|--configFile)
      config_file=$2
      shift 2
      ;;
    -C|--cssFile)
      css_file=$2
      shift 2
      ;;
    -p|--puppeteerConfigFile)
      puppeteer_config_file=$2
      shift 2
      ;;
    --) # end argument parsing
      shift
      break
      ;;
    -*|--*=) # unsupported flags
      echo "Error: Unsupported flag $1" >&2
      exit 1
      ;;
    *) # preserve positional arguments
      params="$params $1"
      shift
      ;;
  esac
done

# # Ensure necessary files are specified
# if [ -z "$input_file" ]; then
#   echo "Input file must be specified with -i or --input."
#   exit 1
# fi

if [ -n "$input_file" ] && [ -z "$output_file" ]; then
  output_file="$input_file.svg" # default output naming if not specified
fi

# if [ -z "$output_file" ]; then
#   output_file="$input_file.svg" # default output naming if not specified
# fi

# Prepare Docker volume mappings
input_args="-h"

volume_args=""
if [ -n "$input_file" ]; then
    volume_args="-v $(pwd)/$input_file:/data/$input_file"
    output_dir=$(dirname "$output_file")
    output_base=$(basename "$output_file")
    volume_args+=" -v $(pwd)/$output_dir:/data/$output_dir"
    input_args="-i /data/$input_file"
    output_args="-o /data/$output_dir/$output_base"
fi


# Additional files
if [ -n "$config_file" ]; then
  volume_args+=" -v $(pwd)/$config_file:/data/$config_file"
fi
if [ -n "$css_file" ]; then
  volume_args+=" -v $(pwd)/$css_file:/data/$css_file"
fi
if [ -n "$puppeteer_config_file" ]; then
  volume_args+=" -v $(pwd)/$puppeteer_config_file:/data/$puppeteer_config_file"
fi

# Run the Docker command with all mounted volumes

docker run --rm -it \
    $volume_args \
    -w /data \
    $DOCKER_IMAGE mmdc $input_args $output_args $params