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ActiveSupport::JSON parses dates

#2605

h = { 'd' => '2009-05-04' } => {"d"=>"2009-05-04"} >> ActiveSupport::JSON.decode(h.to_json) => {"d"=>Mon, 04 May 2009}

The expected result, of course, is that h == ActiveSupport::JSON.decode(h.to_json).

JSON does not support dates. Sure, one could say that sucks. But it's not half as sucky as ActiveSupport::JSON's invalid support of String :).

We should either:

  1. Call Rails's interchange format "ASJSON" or something else which makes it obvious we do not conform to the JSON specification; or
  2. Conform to the JSON specification.

Reported by Adam Hooper · May 4th, 2009 @ 07:42 PM

State: duplicate
Milestone: 2.x
Assigned to: Ryan Bigg Ryan Bigg
Importance: none

Activity

  1. Levin Alexander
    Levin Alexander

    This is especially bad if the Dates-strings are invalid:

    >> ActiveSupport::JSON.decode('{"date":"2009-01-01"}')
=> {"date"=>Do, 01 Jan 2009}
>> ActiveSupport::JSON.decode('{"date":"0000-00-00"}')
ActiveSupport::JSON::ParseError: Invalid JSON string

>> JSON.load('{"date":"0000-00-00"}')
=> {"date"=>"0000-00-00"}

    June 24th, 2009 @ 11:11 PM

  2. Rishav Rastogi
    Rishav Rastogi
    • Assigned user set to Ryan Bigg

    April 11th, 2010 @ 11:59 PM

  3. Santiago Pastorino
    Santiago Pastorino
    • State changed from new to duplicate

    April 12th, 2010 @ 01:02 AM