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Add a new filter fromjson #3298

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merged 1 commit into from Jul 16, 2023
Merged

Add a new filter fromjson #3298

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6 changes: 6 additions & 0 deletions app/concerns/liquid_interpolatable.rb
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Expand Up @@ -263,6 +263,12 @@ def json(input)
JSON.dump(input)
end

def fromjson(input)
JSON.parse(input.to_s)
rescue StandardError
nil
end

def hex_encode(input)
input.to_s.unpack1('H*')
end
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10 changes: 10 additions & 0 deletions spec/concerns/liquid_interpolatable_spec.rb
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Expand Up @@ -303,6 +303,16 @@ def @filter.to_xpath_roundtrip(string)
end
end

describe 'fromjson' do
let(:agent) { Agents::InterpolatableAgent.new(name: "test") }

it 'should parse a JSON string' do
agent.interpolation_context['json'] = '{"array": ["a", "b", "c"], "number": 42}'
agent.options['key'] = '{% assign obj = json | fromjson %}{{ obj["array"][1] }} and {{ obj.number }}'
expect(agent.interpolated['key']).to eq('b and 42')
end
end

context 'as_object' do
let(:agent) { Agents::InterpolatableAgent.new(name: "test") }

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