28 lines
659 B
TypeScript
28 lines
659 B
TypeScript
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const has = ( obj: Record< string, unknown >, path: string[] ): boolean => {
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return (
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!! path &&
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!! path.reduce< unknown >(
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( prevObj, key ) =>
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typeof prevObj === 'object' && prevObj !== null
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? ( prevObj as Record< string, unknown > )[ key ]
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: undefined,
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obj
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)
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);
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};
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/**
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* Utility for returning whether the given path exists in the state.
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*
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* @param {Object} state The state being checked
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* @param {Array} path The path to check
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*
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* @return {boolean} True means this exists in the state.
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*/
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export default function hasInState(
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state: Record< string, unknown >,
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path: string[]
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): boolean {
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return has( state, path );
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}
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