Maintenance Ruby 3.4 gets fixes, but no new features. Switch to Ruby 4.0 →
instance method
JSON#load_file!
(::string path, ?::JSON::options opts) -> untyped
JSON.load_file!(path, opts = {})
ext/json/lib/json/common.rb
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# File tmp/rubies/ruby-3.4.1/ext/json/lib/json/common.rb, line 261
def load_file!(filespec, opts = {})
parse!(File.read(filespec, encoding: Encoding::UTF_8), opts)
end