28464964216

Committed 30 Jun 2026 05:53PM UTC coverage: 74.394% (+0.3%) from 74.111%

Build # 28464964216

Build Type

Pull #457

circleci

Committed by

Janell-Huyck

Commit Message

Run Corepack via corepack.js when bin/corepack is missing.

CircleCI nvm Node installs omit the corepack shim; invoke corepack.js
with --install-directory ~/bin so yarn is on PATH for Rake and CI.

Co-authored-by: Cursor <cursoragent@cursor.com>

Pull Request Pull Request #457: Upgrade stack to Ruby 4.0.5 and Node 26.4.0.

Coverage Stats

341 of 506 branches covered (67.39%)

Branch coverage included in aggregate %.

32 of 34 new or added lines in 1 file covered. (94.12%)

2 existing lines in 2 files now uncovered.

978 of 1267 relevant lines covered (77.19%)

23.4 hits per line

Source File
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84.21

/lib/javascript_build_env.rb

# frozen_string_literal: true

require 'json'
require 'fileutils'

# jsbundling-rails and bin/yarn shell out to yarn; prepend the Node version from
# .nvmrc when nvm is installed so builds work even if an older node or yarn
# binary appears earlier on PATH. Activates Yarn via Corepack from that Node's
# bin directory (bare `yarn` is unavailable until corepack enable runs there).
module JavascriptBuildEnv
  module_function

  def apply!(root = default_root)
    node_bin = node_bin_directory(root)
    return unless node_bin

    ENV['PATH'] = "#{node_bin}:#{ENV['PATH']}" unless path_prefixed_with?(node_bin)
    activate_yarn!(root, node_bin)
  end

  def node_bin_directory(root = default_root)
    nvm_node_bin(root)
  end

  def nvm_node_bin(root = default_root)
    nvmrc = root.join('.nvmrc')
    return unless nvmrc.exist?

    version = nvmrc.read.strip.delete_prefix('v')
    nvm_dir = ENV.fetch('NVM_DIR') { File.expand_path('~/.nvm') }
    node_bin = File.join(nvm_dir, 'versions', 'node', "v#{version}", 'bin')

    node_bin if File.directory?(node_bin)
  end

  def activate_yarn!(root, node_bin)
    package_manager = package_manager_for(root)
    return unless package_manager

    runner, *runner_args = corepack_command(node_bin)
    return unless runner

    install_dir = File.expand_path('~/bin')
    FileUtils.mkdir_p(install_dir)
    ENV['PATH'] = "#{install_dir}:#{ENV['PATH']}" unless path_includes?(install_dir)

    enable_args = runner_args + ['enable', '--install-directory', install_dir]
    prepare_args = runner_args + ['prepare', package_manager, '--activate']
    system(runner, *enable_args, out: File::NULL, err: File::NULL)
    system(runner, *prepare_args, out: File::NULL, err: File::NULL)
  end

  def corepack_command(node_bin)
    corepack_bin = File.join(node_bin, 'corepack')
    return [corepack_bin] if File.executable?(corepack_bin)

    corepack_js = File.expand_path(File.join(node_bin, '..', 'lib', 'node_modules', 'corepack', 'dist', 'corepack.js'))
    return ['node', corepack_js] if File.file?(corepack_js)

    nil
  end

  def package_manager_for(root)
    package_json = root.join('package.json')
    return unless package_json.exist?

    JSON.parse(package_json.read).fetch('packageManager', nil).presence
  rescue JSON::ParserError
    nil
  end

  def path_prefixed_with?(node_bin)
    ENV.fetch('PATH', '').split(File::PATH_SEPARATOR).first == node_bin
  end

  def path_includes?(directory)
    ENV.fetch('PATH', '').split(File::PATH_SEPARATOR).include?(directory)
  end

  def default_root
    if defined?(Rails) && Rails.application&.initialized?
      Rails.root
    else
      Pathname.new(File.expand_path('..', __dir__))
    end
  end
end

1	# frozen_string_literal: true
2
3	require 'json'	2✔
4	require 'fileutils'	2✔
5
6	# jsbundling-rails and bin/yarn shell out to yarn; prepend the Node version from
7	# .nvmrc when nvm is installed so builds work even if an older node or yarn
8	# binary appears earlier on PATH. Activates Yarn via Corepack from that Node's
9	# bin directory (bare `yarn` is unavailable until corepack enable runs there).
10	module JavascriptBuildEnv	2✔
11	module_function	2✔
12
13	def apply!(root = default_root)	2✔
14	node_bin = node_bin_directory(root)	10✔
15	return unless node_bin	10✔
16
17	ENV['PATH'] = "#{node_bin}:#{ENV['PATH']}" unless path_prefixed_with?(node_bin)	6!
18	activate_yarn!(root, node_bin)	6✔
19	end
20
21	def node_bin_directory(root = default_root)	2✔
22	nvm_node_bin(root)	10✔
23	end
24
25	def nvm_node_bin(root = default_root)	2✔
26	nvmrc = root.join('.nvmrc')	16✔
27	return unless nvmrc.exist?	16✔
28
29	version = nvmrc.read.strip.delete_prefix('v')	14✔
30	nvm_dir = ENV.fetch('NVM_DIR') { File.expand_path('~/.nvm') }	14✔
31	node_bin = File.join(nvm_dir, 'versions', 'node', "v#{version}", 'bin')	14✔
32
33	node_bin if File.directory?(node_bin)	14✔
34	end
35
36	def activate_yarn!(root, node_bin)	2✔
37	package_manager = package_manager_for(root)	6✔
38	return unless package_manager	6✔
39
40	runner, *runner_args = corepack_command(node_bin)	4✔
41	return unless runner	4!
42
43	install_dir = File.expand_path('~/bin')	4✔
44	FileUtils.mkdir_p(install_dir)	4✔
45	ENV['PATH'] = "#{install_dir}:#{ENV['PATH']}" unless path_includes?(install_dir)	4!
46
47	enable_args = runner_args + ['enable', '--install-directory', install_dir]	4✔
48	prepare_args = runner_args + ['prepare', package_manager, '--activate']	4✔
49	system(runner, *enable_args, out: File::NULL, err: File::NULL)	4✔
50	system(runner, *prepare_args, out: File::NULL, err: File::NULL)	4✔
51	end
52
53	def corepack_command(node_bin)	2✔
54	corepack_bin = File.join(node_bin, 'corepack')	4✔
55	return [corepack_bin] if File.executable?(corepack_bin)	4✔
56
57	corepack_js = File.expand_path(File.join(node_bin, '..', 'lib', 'node_modules', 'corepack', 'dist', 'corepack.js'))	2✔
58	return ['node', corepack_js] if File.file?(corepack_js)	2!
59
NEW 60	nil	×
61	end
62
63	def package_manager_for(root)	2✔
64	package_json = root.join('package.json')	6✔
65	return unless package_json.exist?	6✔
66
67	JSON.parse(package_json.read).fetch('packageManager', nil).presence	4✔
68	rescue JSON::ParserError
NEW 69	nil	×
70	end
71
72	def path_prefixed_with?(node_bin)	2✔
73	ENV.fetch('PATH', '').split(File::PATH_SEPARATOR).first == node_bin	6✔
74	end
75
76	def path_includes?(directory)	2✔
77	ENV.fetch('PATH', '').split(File::PATH_SEPARATOR).include?(directory)	4✔
78	end
79
80	def default_root	2✔
81	if defined?(Rails) && Rails.application&.initialized?	4!
82	Rails.root	4✔
83	else	×
UNCOV 84	Pathname.new(File.expand_path('..', __dir__))	×
85	end
86	end
87	end

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