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38 lines
1.1 KiB
TypeScript
38 lines
1.1 KiB
TypeScript
import {
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type Dispatch,
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type SetStateAction,
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useCallback,
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useState,
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} from 'react'
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import { useIdeContext } from '../context/ide-context'
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import _ from 'lodash'
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/**
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* Similar to `useScopeValue`, but instead of creating a two-way binding, only
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* changes in react-> angular direction are propagated, with `value` remaining
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* local and independent of its value in the Angular scope.
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*
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* The interface is compatible with React.useState(), including
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* the option of passing a function to the setter.
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*/
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export default function useScopeValueSetterOnly<T = any>(
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path: string, // dot '.' path of a property in the Angular scope.
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defaultValue?: T
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): [T, Dispatch<SetStateAction<T>>] {
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const { $scope } = useIdeContext()
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const [value, setValue] = useState<T>(defaultValue)
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const scopeSetter = useCallback(
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(newValue: SetStateAction<T>) => {
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setValue(val => {
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const actualNewValue = _.isFunction(newValue) ? newValue(val) : newValue
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$scope.$applyAsync(() => _.set($scope, path, actualNewValue))
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return actualNewValue
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})
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},
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[path, $scope]
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)
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return [value, scopeSetter]
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}
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