api.ts
| 1 | import useSWR from 'swr'; |
| 2 | import lagData from './hooks/lagData'; |
| 3 | import useFallbackAsInitial from '@givewp/components/ListTable/hooks/useFallbackAsInitial'; |
| 4 | |
| 5 | export default class ListTableApi { |
| 6 | private readonly apiRoot: string; |
| 7 | private controller: AbortController | null; |
| 8 | private readonly headers: {'X-WP-Nonce': string; 'Content-Type': string}; |
| 9 | private readonly swrOptions; |
| 10 | |
| 11 | constructor({apiNonce, apiRoot, preload = null}) { |
| 12 | this.controller = null; |
| 13 | this.apiRoot = apiRoot; |
| 14 | this.headers = { |
| 15 | 'Content-Type': 'application/json', |
| 16 | 'X-WP-Nonce': apiNonce, |
| 17 | }; |
| 18 | this.swrOptions = { |
| 19 | use: [lagData], |
| 20 | onErrorRetry: (error, key, config, revalidate, {retryCount}) => { |
| 21 | //don't retry if we cancelled the initial request |
| 22 | if (error.name == 'AbortError') return; |
| 23 | if (retryCount >= 5) return; |
| 24 | const retryAfter = (retryCount + 1) * 500; |
| 25 | setTimeout(() => revalidate({retryCount}), retryAfter); |
| 26 | }, |
| 27 | }; |
| 28 | if (preload) { |
| 29 | this.swrOptions.fallbackData = preload; |
| 30 | this.swrOptions.use.push(useFallbackAsInitial); |
| 31 | } |
| 32 | } |
| 33 | |
| 34 | fetchWithArgs = (endpoint, args, method = 'GET', signal = null) => { |
| 35 | const url = new URL(this.apiRoot + endpoint); |
| 36 | for (const [param, value] of Object.entries(args)) { |
| 37 | value !== '' && url.searchParams.set(param, value as string); |
| 38 | } |
| 39 | return fetch(url.href, { |
| 40 | method: method, |
| 41 | signal: signal, |
| 42 | headers: this.headers, |
| 43 | }).then((res) => { |
| 44 | if (!res.ok) { |
| 45 | throw new Error(); |
| 46 | } |
| 47 | return res.json(); |
| 48 | }); |
| 49 | }; |
| 50 | |
| 51 | fetcher = (params) => { |
| 52 | if (this.controller instanceof AbortController) this.controller.abort(); |
| 53 | this.controller = new AbortController(); |
| 54 | return this.fetchWithArgs('', params, 'GET', this.controller.signal); |
| 55 | }; |
| 56 | |
| 57 | // SWR Fetcher |
| 58 | useListTable = ({page, perPage, sortColumn, sortDirection, locale, testMode, ...filters}) => { |
| 59 | const {data, error, mutate, isValidating} = useSWR( |
| 60 | { |
| 61 | page, |
| 62 | perPage, |
| 63 | sortColumn, |
| 64 | sortDirection, |
| 65 | locale, |
| 66 | testMode, |
| 67 | ...filters, |
| 68 | }, |
| 69 | this.fetcher, |
| 70 | this.swrOptions |
| 71 | ); |
| 72 | return {data, error, mutate, isValidating}; |
| 73 | }; |
| 74 | } |
| 75 |