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December 12, 2023 01:27
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Converting a string representation of a Ruby Hash back into a Ruby Hash
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require 'pp' | |
require 'json' | |
s = "{:exit_url=>\"null\", :exit_target_type=>\"left\", :furthest_scrolled=>\"locations\", :time_spent=>\"543210\", :user_id=>\"123456\", :visited_at=>789101112, :user=>nil}" | |
pp JSON.parse("{" + s.gsub(/^{|}$/, '').split(', ').map { |pair| pair.split('=>') }.map {|k, v| [k.gsub(/^:(\w*)/, '"\1"'), v == 'nil' ? "null" : v].join(": ") }.join(", ") + "}") | |
=> {"exit_url"=>"null", "exit_target_type"=>"left", "furthest_scrolled"=>"locations", "time_spent"=>"543210", "user_id"=>"123456", "visited_at"=>789101112, "user"=>nil} | |
This is what I found:
def string_parse_to_hash(string)
modified_string = string
.gsub(/:(\w+)/){"\"#{$1}\""}
.gsub('=>', ':')
.gsub("nil", "null")
JSON.parse(modified_string)
rescue
{}
end
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I hate this code but it's better than
eval
. Any suggestions?