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QSP is enhanced Erlang query string parser, that supports nested arrays, hashes and returns maps. Requires Erlang 17.0 and better. Extracted from Plug.

> qsp:decode(<<"foo=bar">>).
#{<<"foo">> => <<"bar">>}
> qsp:decode(<<"foo[]=bar&foo[]=baz">>).
#{<<"foo">> => [<<"bar">>,<<"baz">>]}
> qsp:decode(<<"foo[bar]=baz&foo[rab]=zab">>).
#{<<"foo">> => #{<<"bar">> => <<"baz">>,<<"rab">> => <<"zab">>}}
> qsp:decode(<<"foo[][bar][][baz][]=1">>).
#{<<"foo">> => [#{<<"bar">> => [#{<<"baz">> => [<<"1">>]}]}]}
> qsp:decode(<<"foo=1&foo=2">>).
#{<<"foo">> => <<"2">>}

Contributing

  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request