packages/react-params/src/Param/Struct.tsx
// Copyright 2017-2024 @polkadot/react-params authors & contributors
// SPDX-License-Identifier: Apache-2.0
import type { Props, RawParam } from '../types.js';
import React, { useCallback, useState } from 'react';
import { Struct } from '@polkadot/types';
import { isCodec } from '@polkadot/util';
import Params from '../index.js';
import Base from './Base.js';
import useParamDefs from './useParamDefs.js';
function extractValues ({ isValid, value }: RawParam): RawParam[] | undefined {
return (isValid && isCodec(value) && value instanceof Struct)
? value.toArray().map((value) => ({ isValid: true, value }))
: undefined;
}
function StructParam (props: Props): React.ReactElement<Props> {
const params = useParamDefs(props.registry, props.type);
const { className = '', defaultValue, isDisabled, label, onChange, overrides, withLabel } = props;
const [values] = useState(() => extractValues(defaultValue));
const _onChangeParams = useCallback(
(values: RawParam[]): void => {
if (isDisabled) {
return;
}
onChange && onChange({
isValid: values.reduce((result: boolean, { isValid }) => result && isValid, true),
value: params.reduce((value: Record<string, unknown>, { name }, index): Record<string, unknown> => {
value[name || 'unknown'] = values[index].value;
return value;
}, {})
});
},
[isDisabled, params, onChange]
);
return (
<div className='ui--Params-Struct'>
<Base
className={className}
label={label}
withLabel={withLabel}
/>
<Params
isDisabled={isDisabled}
onChange={_onChangeParams}
overrides={overrides}
params={params}
registry={props.registry}
values={values}
/>
</div>
);
}
export default React.memo(StructParam);