Class: ChimeSdk::Generators::JsGenerator

Inherits:
Rails::Generators::Base
  • Object
show all
Defined in:
lib/generators/chime_sdk/js_generator.rb

Overview

Amazon Chime SDK single .js file generator. Bundle Amazon Chime SDK into single amazon-chime-sdk.min.js file and copy it to app/assets/javascripts directory.

Examples:

Run Amazon Chime SDK single .js file generator with the latest version from master branch

rails generate chime_sdk:js

Run Amazon Chime SDK single .js file generator with specified version

rails generate chime_sdk:js 2.24.0

See Also:

Instance Method Summary collapse

Instance Method Details

#build_and_copy_chime_sdk_js ⇒ Object

Build amazon-chime-sdk.min.js and copy it to app/assets/javascripts directory



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# File 'lib/generators/chime_sdk/js_generator.rb', line 34

def build_and_copy_chime_sdk_js
  # :nocov:
  begin
    node_version = Gem::Version.new(`node -v`.delete("v"))
    puts "Found Node v#{node_version}"
    if node_version < Gem::Version.new("10")
      puts "Amazon Chime SDK single .js file generator requires Node 10+. Update Node before running."
      return
    end
  rescue StandardError => e
    puts "Amazon Chime SDK single .js file generator requires Node. Install Node before running."
    return
  end
  begin
    npm_version = Gem::Version.new(`npm -v`)
    puts "Found npm v#{npm_version}"
    if npm_version < Gem::Version.new("6.11")
      puts "Amazon Chime SDK single .js file generator requires npm 6.11+. Update npm before running."
      return
    end
  rescue StandardError => e
    puts "Amazon Chime SDK single .js file generator requires npm. Install npm before running."
    return
  end
  # :nocov:

  if version.present?
    begin
      sdk_version = Gem::Version.new(version)
      # https://www.npmjs.com/package/amazon-chime-sdk-js
      if sdk_version < Gem::Version.new("1.0.0")
        puts "[Abort] Specify 1.0.0 or later as amazon-chime-sdk-js version"
        exit
      else
        version_tag = "amazon-chime-sdk-js@#{sdk_version}"
      end
    rescue StandardError => e
      puts "[Abort] Wrong amazon-chime-sdk-js version was specified"
      exit
    end
  end

  system "mkdir -p tmp"
  puts "Cloning into 'amazon-chime-sdk-js' git repository in tmp directory ..."
  system "cd tmp; git clone https://github.com/aws-samples/amazon-chime-sdk.git > /dev/null 2>&1"
  repository_path = "tmp/amazon-chime-sdk"
  singlejs_path = "#{repository_path}/utils/singlejs"
  package_json_path = "#{singlejs_path}/package.json"

  puts "Finding amazon-chime-sdk-js version ..."
  chime_sdk_pattern = /\"amazon-chime-sdk-js\":[\s]*\"([\S]*)\"$/
  buffer = File.open(package_json_path, "r") { |f| f.read() }
  if version_tag.present?
    puts " Specified \"#{sdk_version}\" as an argument"
    if `npm info #{version_tag} version`.present?
      puts " #{version_tag} was found as npm package"
      if buffer =~ chime_sdk_pattern
        buffer.gsub!(chime_sdk_pattern, "\"amazon-chime-sdk-js\": \"#{sdk_version}\"")
        File.open(package_json_path, "w") { |f| f.write(buffer) }
        puts " Replaced amazon-chime-sdk-js version into \"#{sdk_version}\" in package.json"
        puts " amazon-chime-sdk-js \"#{sdk_version}\" will be used"
      else
        # :nocov:
        puts "[Abort] amazon-chime-sdk-js was not found in package.json"
        exit
        # :nocov:
      end
    else
      puts "[Abort] No npm package of #{version_tag} was found. Specify different amazon-chime-sdk-js version."
      exit
    end
  else
    if buffer =~ /\"amazon-chime-sdk-js\":[\s]*\"([\S]*)\"$/
      sdk_version = $1
      puts " amazon-chime-sdk-js \"#{sdk_version}\" was found in package.json"
      puts " amazon-chime-sdk-js \"#{sdk_version}\" will be used"
    else
      # :nocov:
      puts " No amazon-chime-sdk-js was found in package.json"
      # :nocov:
    end
  end

  puts "Running 'npm install @rollup/plugin-commonjs' in the repository ..."
  system "cd #{singlejs_path}; npm install @rollup/plugin-commonjs > /dev/null 2>&1"
  puts "Running 'npm run bundle' in the repository ..."
  system "cd #{singlejs_path}; npm run bundle > /dev/null 2>&1"
  puts "Built Amazon Chime SDK as amazon-chime-sdk.min.js"
  copy_file "#{singlejs_path}/build/amazon-chime-sdk.min.js", "app/assets/javascripts/amazon-chime-sdk.min.js"
  copy_file "#{singlejs_path}/build/amazon-chime-sdk.min.js.map", "app/assets/javascripts/amazon-chime-sdk.min.js.map"
  system "rm -rf #{repository_path}"
  puts "Cleaned up the repository in tmp directory"
  puts "Completed"
end