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import { useEffect, useRef } from "react"; |
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import { FetchError, useFetch } from "react-async"; |
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import { fetchParameters } from "../../helpers/httpRequests"; |
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import { identity } from "../../helpers/queries"; |
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import { Json, ResourceStatus } from "./types"; |
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export function useResource<T>( |
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endpoint: string, |
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initialValue: T, |
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overrides?: { |
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parseResponse?: (response: Json) => T; |
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}, |
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): { |
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value: T; |
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status: ResourceStatus; |
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error: undefined | Error | FetchError; |
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update: (newValue: T) => void; |
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refresh: () => void; |
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} { |
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const internalParseResponse = overrides?.parseResponse ?? identity; |
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const valueRef = useRef(initialValue); |
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const { error, status, reload, run } = useFetch( |
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endpoint, |
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fetchParameters("GET"), |
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{ |
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onResolve: (data) => { |
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valueRef.current = internalParseResponse(data); |
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}, |
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}, |
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); |
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const refresh = reload; |
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const update = (newValue: T): void => run(fetchParameters("PUT", newValue)); |
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return { value: valueRef.current, status, error, update, refresh }; |
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} |
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export function useDeleteableResource<T>( |
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endpoint: string, |
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initialValue: T, |
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overrides?: { |
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parseResponse?: (response: Json) => T; |
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}, |
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): ( |
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| { |
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value: T; |
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status: ResourceStatus; |
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} |
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| { |
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value: undefined; |
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status: "deleted"; |
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} |
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) & { |
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error: undefined | Error | FetchError; |
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update: (newValue: T) => void; |
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deleteResource: () => void; |
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refresh: () => void; |
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} { |
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const internalParseResponse = overrides?.parseResponse ?? identity; |
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const valueRef = useRef(initialValue); |
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const isDeletedRef = useRef(false); |
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const isSubscribed = useRef(true); |
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const { error, status, reload, run, promise } = useFetch( |
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endpoint, |
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fetchParameters("GET"), |
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{ |
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onResolve: (data) => { |
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valueRef.current = internalParseResponse(data); |
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}, |
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}, |
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); |
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const refresh = reload; |
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const update = (newValue: T): void => run(fetchParameters("PUT", newValue)); |
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const deleteResource = (): void => { |
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run(fetchParameters("DELETE")); |
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promise |
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.then(() => { |
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if (isSubscribed) { |
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isDeletedRef.current = true; |
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} |
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}) |
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.catch(() => {}); |
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}; |
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const valueStatus: |
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| { |
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value: T; |
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status: ResourceStatus; |
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} |
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| { |
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value: undefined; |
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status: "deleted"; |
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} = isDeletedRef.current |
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? { |
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value: undefined, |
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status: "deleted", |
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} |
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: { |
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value: valueRef.current, |
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status, |
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}; |
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useEffect(() => { |
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return () => { |
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isSubscribed.current = false; |
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}; |
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}, []); |
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return { ...valueStatus, error, update, refresh, deleteResource }; |
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} |
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GCTC-NTGC /
TalentCloud
