Workspace Project Depth Indicator

#!/usr/bin/env bash

# Workspace Project Depth Indicator for Claude Code
# Tracks directory depth and project context

# Read JSON from stdin
read -r input

# Extract workspace info
current_dir=$(echo "$input" | jq -r '.workspace.current_dir // ""')

# Handle empty workspace
if [ -z "$current_dir" ] || [ "$current_dir" = "null" ]; then
  echo "📂 No workspace"
  exit 0
fi

# Calculate directory depth (count of slashes)
# Remove leading slash to avoid off-by-one
dir_path="${current_dir#/}"
depth=$(echo "$dir_path" | tr -cd '/' | wc -c | tr -d ' ')

# Detect project root indicators
project_indicators=(
  ".git"
  "package.json"
  "Cargo.toml"
  "go.mod"
  "pom.xml"
  "build.gradle"
  "pyproject.toml"
  "composer.json"
)

# Check if current directory is project root
IS_PROJECT_ROOT=false
PROJECT_TYPE=""

for indicator in "${project_indicators[@]}"; do
  if [ -f "${current_dir}/${indicator}" ] || [ -d "${current_dir}/${indicator}" ]; then
    IS_PROJECT_ROOT=true
    case "$indicator" in
      ".git") PROJECT_TYPE="git" ;;
      "package.json") PROJECT_TYPE="node" ;;
      "Cargo.toml") PROJECT_TYPE="rust" ;;
      "go.mod") PROJECT_TYPE="go" ;;
      "pom.xml"|"build.gradle") PROJECT_TYPE="java" ;;
      "pyproject.toml") PROJECT_TYPE="python" ;;
      "composer.json") PROJECT_TYPE="php" ;;
    esac
    break
  fi
done

# Find project root by walking up directory tree
PROJECT_ROOT="$current_dir"
check_dir="$current_dir"
while [ "$check_dir" != "/" ]; do
  for indicator in "${project_indicators[@]}"; do
    if [ -f "${check_dir}/${indicator}" ] || [ -d "${check_dir}/${indicator}" ]; then
      PROJECT_ROOT="$check_dir"
      break 2
    fi
  done
  check_dir=$(dirname "$check_dir")
done

# Calculate depth relative to project root (0 = at root)
if [ "$PROJECT_ROOT" != "$current_dir" ]; then
  relative_path="${current_dir#$PROJECT_ROOT/}"
  relative_depth=$(echo "$relative_path" | tr -cd '/' | wc -c | tr -d ' ')
  relative_depth=$((relative_depth + 1))  # +1 because we're in a subdirectory
else
  relative_depth=0
fi

# Color coding based on depth
if [ $relative_depth -eq 0 ]; then
  DEPTH_COLOR="\033[38;5;46m"   # Green: At project root
  DEPTH_ICON="📁"
  DEPTH_STATUS="ROOT"
elif [ $relative_depth -le 2 ]; then
  DEPTH_COLOR="\033[38;5;75m"   # Blue: 1-2 levels deep (normal)
  DEPTH_ICON="📂"
  DEPTH_STATUS="L${relative_depth}"
elif [ $relative_depth -le 4 ]; then
  DEPTH_COLOR="\033[38;5;226m"  # Yellow: 3-4 levels deep (moderate)
  DEPTH_ICON="📂"
  DEPTH_STATUS="L${relative_depth}"
else
  DEPTH_COLOR="\033[38;5;208m"  # Orange: 5+ levels deep (deep nesting)
  DEPTH_ICON="📂"
  DEPTH_STATUS="L${relative_depth}+"
fi

# Project type indicator
if [ "$IS_PROJECT_ROOT" = true ] && [ -n "$PROJECT_TYPE" ]; then
  TYPE_DISPLAY="${PROJECT_TYPE}"
else
  TYPE_DISPLAY=""
fi

# Extract directory name for display
dir_name=$(basename "$current_dir")

# Monorepo detection (apps/, packages/, libs/ directories)
if echo "$current_dir" | grep -qE '/(apps|packages|libs|services|modules)/'; then
  MONOREPO_INDICATOR="[monorepo]"
else
  MONOREPO_INDICATOR=""
fi

# Build breadcrumb visualization (last 3 directories)
if [ $relative_depth -gt 0 ]; then
  breadcrumb=$(echo "$current_dir" | awk -F'/' '{for(i=NF-2;i<=NF;i++) if($i) printf "%s/", $i}' | sed 's|/$||')
else
  breadcrumb="$dir_name"
fi

RESET="\033[0m"

# Output statusline
if [ -n "$TYPE_DISPLAY" ]; then
  echo -e "${DEPTH_ICON} ${DEPTH_COLOR}${DEPTH_STATUS}${RESET} ${TYPE_DISPLAY} | ${breadcrumb} ${MONOREPO_INDICATOR}"
else
  echo -e "${DEPTH_ICON} ${DEPTH_COLOR}${DEPTH_STATUS}${RESET} | ${breadcrumb} ${MONOREPO_INDICATOR}"
fi

{
  "format": "bash",
  "position": "left",
  "refreshInterval": 2000
}