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Json codable no type assumption in custom fromJson #59581

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@cedvdb cedvdb commented Nov 21, 2024

json_codable wrongly assumes fromJson receives a Map

This allows an user defined class to have a fromJson method with a parameter that is not a Map. Before this change the @JsonCodable macro would check if a field has a fromJson constructor and assume that the parameter type was a Map. This PR uses the type of the parameter instead.

Note: I have this weird behavior where I can only run the tests with the macros enabled once per branch, so I have to switch branches and run the tests on another.

@cedvdb cedvdb changed the title Json codable no map assumption Json codable no type assumption in custom fromJson Nov 21, 2024
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@cedvdb cedvdb force-pushed the json_codable_no_map_assumption branch from cc49d86 to ba39aa4 Compare November 21, 2024 11:32
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https://dart-review.googlesource.com/c/sdk/+/396629 has been updated with the latest commits from this pull request.

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https://dart-review.googlesource.com/c/sdk/+/396629 has been updated with the latest commits from this pull request.

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https://dart-review.googlesource.com/c/sdk/+/396629 has been updated with the latest commits from this pull request.

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@cedvdb cedvdb changed the title Json codable no type assumption in custom fromJson [draft] Json codable no type assumption in custom fromJson Nov 22, 2024
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@cedvdb cedvdb changed the title [draft] Json codable no type assumption in custom fromJson Json codable no type assumption in custom fromJson Nov 22, 2024
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@jakemac53 jakemac53 self-assigned this Nov 22, 2024
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cedvdb commented Nov 22, 2024

It seems there is already a PR for this here : #56665

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[json_codable] the object passed to fromJson is not necessarily a Map
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