update.sh

#!/bin/bash
# Variables
GITHUB_REPO="https://github.com/iconoir-icons/iconoir/tree/main/icons"
ASSETS_DIR="Sources/Iconoir/Assets.xcassets"
ICON_ENUM_FILE="Sources/Iconoir/Icon.swift"
TEMP_DIR="temp_icons"

# Create directories if they don't exist
if [ -d "${ASSETS_DIR}" ]; then
    echo "${ASSETS_DIR} exists. Clearing it..."
    rm -rf "${ASSETS_DIR}"/*
fi
mkdir -p "${ASSETS_DIR}"
mkdir -p "${TEMP_DIR}"

# Download the entire contents of the icons folder
git clone --depth 1 --filter=blob:none --sparse "https://github.com/iconoir-icons/iconoir.git" "${TEMP_DIR}"
cd "${TEMP_DIR}" || exit
git sparse-checkout init --cone
git sparse-checkout set icons
git checkout main
cd .. || exit

# Function to download and process an icon
download_and_process_icon() {
    svg_path=$1
    dir_name=$(basename "$(dirname "${svg_path}")")
    if [[ "${dir_name}" == "regular" ]]; then
      dir_name=""
    fi
    icon_file=$(basename "${svg_path}")
    icon_name="${icon_file%.*}"
    local_icon_path="${ASSETS_DIR}/${icon_name}${dir_name:+-${dir_name}}.imageset"

    if [[ ! -f "${local_icon_path}/${icon_name}${dir_name:+-${dir_name}}.pdf" ]]; then
        mkdir -p "${local_icon_path}"

        # Copy the SVG file
        cp "${svg_path}" "${local_icon_path}/${icon_name}${dir_name:+-${dir_name}}.svg"
        
        sed -i '' -e 's/stroke="currentColor"/stroke="#000000"/g' -e 's/stroke-width="[0-9.]*"/stroke-width="1.5"/g' "${local_icon_path}/${icon_name}${dir_name:+-${dir_name}}.svg"

        # Create JSON file for the icon in Assets.xcassets
        json_file="${local_icon_path}/Contents.json"
        cat <<-JSON > "${json_file}"
{
  "images" : [
    {
      "filename" : "${icon_name}${dir_name:+-${dir_name}}.svg",
      "idiom" : "universal",
      "scale" : "1x"
    },
    {
      "idiom" : "universal",
      "scale" : "2x"
    },
    {
      "idiom" : "universal",
      "scale" : "3x"
    }
  ],
    "info" : {
        "author" : "xcode",
        "version" : 1
    }
}
JSON
        echo "Processed ${icon_name}${dir_name:+-${dir_name}}"
    fi
}

# Iterate over the downloaded icons
for svg_path in "${TEMP_DIR}/icons"/**/*.svg; do
    download_and_process_icon "${svg_path}"
done

# Remove the temporary directory
rm -rf "${TEMP_DIR}"

# Create Icon.swift enum file
echo "/// This file was generated by the update.sh script located in the root of this package." > "${ICON_ENUM_FILE}"
echo "/// This enum provides a list of all the icons provided in the [iconoir website](https://www.iconoir.com)." >> "${ICON_ENUM_FILE}"
echo "/// There are some conditions which the image was named after a keyword in swift, and as such has been replaced" >> "${ICON_ENUM_FILE}"
echo "/// by a placeholder, either prefixed or suffixed with \`icon\`. For example \`import\` would become \`importIcon\`." >> "${ICON_ENUM_FILE}"
echo "/// Any image that begins with a digit would be prefixed with \`icon\` for example \`icon2x2cell\`" >> "${ICON_ENUM_FILE}"
echo "public enum Iconoir: String, CaseIterable {" >> "${ICON_ENUM_FILE}"

# Initialize an array to store the enum cases
enum_cases=()

# Iterate through the downloaded icons using process substitution
while read -r icon_path; do
    icon_file=$(basename "${icon_path}")
    icon_name="${icon_file%.*}"
    
    # Replace special characters with spaces
    icon_name_clean=$(echo "${icon_name}" | tr "[:punct:]" " ")

    # Convert to camel case
    icon_case=$(echo "${icon_name_clean}" | awk '{for(i=1;i<=NF;i++){if(i==1){printf("%s",$i)}else{printf("%s",toupper(substr($i,1,1)) substr($i,2))}}}')
    
    # Handle reserved keywords and starting with numbers
    case "${icon_case}" in
        import|default|case|var|let|class|struct|func|enum|repeat)
            icon_case="${icon_case}Icon"
            ;;
        [0-9]*)
            icon_case="icon${icon_case}"
            ;;
    esac

    # Store the case with its raw value in the array
    enum_cases+=("    case ${icon_case} = \"${icon_name}\"")
done < <(find "${ASSETS_DIR}" -name "*.svg")

# Sort the enum cases alphabetically
IFS=$'\n' sorted_cases=($(sort <<<"${enum_cases[*]}"))
unset IFS

# Write the sorted cases to the Icon.swift enum file
for case_line in "${sorted_cases[@]}"; do
    echo "${case_line}" >> "${ICON_ENUM_FILE}"
done

# Close the enum declaration
echo "}" >> "${ICON_ENUM_FILE}"
echo "Script completed successfully."