This shell script converts a Google Chrome extension into a Safari web extension. It prints all available extensions, prompts the user for the chrome extension path and desired name, converts and builds safari extension for macOS, and opens the built app.

convert.sh

#!/bin/zsh

ext_root_path=~/Library/Application\ Support/Google/Chrome/Default/Extensions
find "$ext_root_path" -name "manifest.json" -print0 | while IFS= read -r -d '' file; do echo "\033[1;33m$file\033[0m"; echo "-----------------"; cat "$file" | nl -n ln | GREP_COLOR='01;30' grep --color=always '.*'; echo "-----------------"; done

# Prompt the user for the working directory path which is chrome extension root
read -p "Enter the chrome extension path(for example difoiogjjojoaoomphldepapgpbgkhkb/2.7.7_0): " workdir

# Prompt the user for the result app name
read -p "Enter the desired app name: " app_name

# Check if workdir and app name are empty
if [[ -z $workdir || -z $app_name ]]; then
    echo "workdir and app name should not be empty"
    exit 1
fi

workdir="$ext_root_path/$workdir"

# Remove existing directories
rm -rf "$workdir/safari-extension"
rm -rf "$workdir/safari-extension-build"

# Convert to Safari web extension
xcrun safari-web-extension-converter "$workdir" --project-location "$workdir/safari-extension" --force --no-open --app-name "$app_name"

# Build for macOS
xcodebuild -project "$workdir/safari-extension/$app_name/$app_name.xcodeproj" -scheme "$app_name (macOS)" -configuration Debug clean build CONFIGURATION_BUILD_DIR="$workdir/safari-extension-build"

echo "App available at $workdir/safari-extension-build"
open "$workdir/safari-extension-build/$app_name.app"