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draft(Forms): API draft for how fields can handle API connections
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101 changes: 101 additions & 0 deletions
101
packages/dnb-eufemia/src/extensions/forms/hooks/useConnector.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| import { isAsync } from '../../../shared/helpers/isAsync' | ||
| import { ConnectorProps } from '../types' | ||
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| import { useCallback } from 'react' | ||
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| export default function useConnector<Value>( | ||
| connector: ConnectorProps<Value> = {}, | ||
| props: Record<string, unknown> & ConnectorProps<Value> = {} | ||
| ): { | ||
| onChange: ConnectorProps<Value>['onChange'] | ||
| onBlurValidator: ConnectorProps<Value>['onBlurValidator'] | ||
| } { | ||
| const { handler: onBlurValidator, asyncHandler: onBlurValidatorAsync } = | ||
| useCombinedHandlers(connector.onBlurValidator, props.onBlurValidator) | ||
| const { handler: onChange, asyncHandler: onChangeAsync } = | ||
| useCombinedHandlers(connector.onChange, props.onChange) | ||
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| const onChangeRefs = [connector.onChange, props.onChange] | ||
| const onBlurValidatorRefs = [ | ||
| connector.onBlurValidator, | ||
| props.onBlurValidator, | ||
| ] | ||
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|
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| return { | ||
| onChange: isFunctionInArray(onChangeRefs) | ||
| ? isAsyncInArray(onChangeRefs) | ||
| ? onChangeAsync | ||
| : onChange | ||
| : undefined, | ||
| onBlurValidator: isFunctionInArray(onBlurValidatorRefs) | ||
| ? isAsyncInArray(onBlurValidatorRefs) | ||
| ? onBlurValidatorAsync | ||
| : onBlurValidator | ||
| : undefined, | ||
| } | ||
| } | ||
|
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| function useCombinedHandlers( | ||
| connectorFn?: (...args: unknown[]) => unknown, | ||
| propsFn?: (...args: unknown[]) => unknown | ||
| ) { | ||
| const handler = useCallback( | ||
| (...args: unknown[]) => { | ||
| { | ||
| const result = propsFn?.apply(this, args) | ||
| if (result) { | ||
| return result | ||
| } | ||
| } | ||
|
|
||
| { | ||
| const result = connectorFn?.apply(this, args) | ||
| if (result) { | ||
| return result | ||
| } | ||
| } | ||
| }, | ||
| [connectorFn, propsFn] | ||
| ) | ||
|
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| const asyncHandler = useCallback( | ||
| async (...args: unknown[]) => { | ||
| { | ||
| const result = await propsFn?.apply(this, args) | ||
| if (result) { | ||
| return result | ||
| } | ||
| } | ||
|
|
||
| { | ||
| const result = await connectorFn?.apply(this, args) | ||
| if (result) { | ||
| return result | ||
| } | ||
| } | ||
| }, | ||
| [connectorFn, propsFn] | ||
| ) | ||
|
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| return { | ||
| handler: | ||
| [connectorFn, propsFn].filter(Boolean).length > 0 | ||
| ? handler | ||
| : undefined, | ||
| asyncHandler: | ||
| [connectorFn, propsFn].filter(Boolean).length > 0 | ||
| ? asyncHandler | ||
| : undefined, | ||
| } | ||
| } | ||
|
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| function isAsyncInArray(array: Array<unknown>) { | ||
| return array.some((fn) => { | ||
| return isAsync(fn) | ||
| }) | ||
| } | ||
| function isFunctionInArray(array: Array<unknown>) { | ||
| return array.some((fn) => { | ||
| return typeof fn === 'function' | ||
| }) | ||
| } |
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