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Fix Default SimpleFormIterator Push Value #4394

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jdemangeon
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@jdemangeon jdemangeon commented Feb 5, 2020

Closes #2489
Closes #3249

When we use the SimpleFormIterator inside an array of scalar values (ArrayInput) displayed as TextInput, the famous [Object object] value is displayed on "+ Add" click.

Example:

import { SimpleFormIterator } from "react-admin";

/* recipients = ["[email protected]", "[email protected]", ....] */

<ArrayInput source="recipients">
      <SimpleFormIterator>
          <TextInput />
      </SimpleFormIterator>
</ArrayInput>

Results to:

image

So, to avoid this, we should inject undefined instead of an empty {}.

Here is a temporary workaround for those who are having the same problem:

import React from "react";
import { SimpleFormIterator } from "react-admin";

export const SimpleFormIteratorWithUndefinedDefault = props => {
  const originPush = props.fields.push;
  props.fields.push = data =>
    originPush(JSON.stringify(data) === "{}" ? undefined : data);

  return <SimpleFormIterator {...props} />;
};

PS: This "display" is the default one used in ApiPlatform Admin for the array field type (https://github.com/api-platform/admin/blob/master/src/InputGuesser.js#L90)

@jdemangeon jdemangeon added the RFR Ready For Review label Feb 5, 2020
@jdemangeon
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Oops, i've seen that another PR covering this issue (https://github.com/marmelab/react-admin/pull/4306/files).

@jdemangeon jdemangeon closed this Feb 5, 2020
@jdemangeon jdemangeon reopened this Feb 17, 2020
@JulienMattiussi JulienMattiussi self-requested a review March 2, 2020 14:35
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@JulienMattiussi JulienMattiussi left a comment

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Unit tests ok
Manual tests ok

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ArrayInput does not like primitive values defaultValue of Inputs inside ArrayInput not working
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