hermes-engine.podspec

# Copyright (c) Meta Platforms, Inc. and affiliates.
#
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.

module HermesHelper
  # BUILD_TYPE = :debug
  BUILD_TYPE = :release
end

Pod::Spec.new do |spec|
  spec.name        = "hermes-engine"
  # This must be consistent with the release_version in:
  # - android/build.gradle
  # - npm/package.json
  # - CMakeLists.txt
  spec.version     = "0.12.0"
  spec.summary     = "Hermes is a small and lightweight JavaScript engine optimized for running React Native."
  spec.description = "Hermes is a JavaScript engine optimized for fast start-up of React Native apps. It features ahead-of-time static optimization and compact bytecode."
  spec.homepage    = "https://hermesengine.dev"
  spec.license     = { type: "MIT", file: "LICENSE" }
  spec.author      = "Facebook"
  # This env var should be supplied with a CDN URL of the "hermes-runtime-darwin.tgz" on the Github releases before pod push.
  # The podspec would be serialized to JSON and people will download prebuilt binaries instead of the source.
  # TODO(use the hash field as a validation mechanism when the process is stable)
  spec.source      = ENV['hermes-artifact-url'] ? { http: ENV['hermes-artifact-url'] } : { git: "https://github.com/facebook/hermes.git", tag: "v#{spec.version}" }
  spec.platforms   = { :osx => "10.13", :ios => "12.0", :visionos => "1.0" }

  spec.preserve_paths      = ["destroot/bin/*"].concat(HermesHelper::BUILD_TYPE == :debug ? ["**/*.{h,c,cpp}"] : [])
  spec.source_files        = "destroot/include/**/*.h"
  spec.header_mappings_dir = "destroot/include"

  spec.ios.vendored_frameworks = "destroot/Library/Frameworks/universal/hermes.xcframework"
  spec.visionos.vendored_frameworks = "destroot/Library/Frameworks/universal/hermes.xcframework"
  spec.osx.vendored_frameworks = "destroot/Library/Frameworks/macosx/hermes.framework"

  spec.xcconfig            = { "CLANG_CXX_LANGUAGE_STANDARD" => "c++17", "CLANG_CXX_LIBRARY" => "compiler-default", "GCC_PREPROCESSOR_DEFINITIONS" => "HERMES_ENABLE_DEBUGGER=1" }

  unless ENV['hermes-artifact-url']
    spec.prepare_command = <<-EOS
      # When true, debug build will be used.
      # See `build-apple-framework.sh` for details
      DEBUG=#{HermesHelper::BUILD_TYPE == :debug}

      # Build iOS framework
      ./utils/build-ios-framework.sh

      # Build Mac framework
      ./utils/build-mac-framework.sh
    EOS
  end
end