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July 26, 2020 14:11
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autocomplete algolia antd
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import { AutoComplete } from 'antd'; | |
import { AutoCompleteProps } from 'antd/lib/auto-complete'; | |
import { Ref, useState } from 'react'; | |
import React from 'react'; | |
import useAutocomplete from '@/components/autocomplete/hook'; | |
export default React.forwardRef((props: AutoCompleteProps, ref: Ref<AutoComplete>) => { | |
const [search, setSearch] = useState<string>(''); | |
if (!process.env.ALGOLIA_APP_ID || !process.env.ALGOLIA_API_KEY) { | |
throw new Error(`Missing Algolia credentials!"`); | |
} | |
const { results } = useAutocomplete({ | |
appId: process.env.ALGOLIA_APP_ID, | |
apiKey: process.env.ALGOLIA_API_KEY, | |
query: search, | |
}); | |
const uniques = Array.from(new Set(results)); | |
return <AutoComplete ref={ref} allowClear={true} {...props} dataSource={uniques} onSearch={setSearch} />; | |
}); |
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export interface State<T> { | |
error?: string; | |
isLoading: boolean; | |
results?: T; | |
} | |
export type Action<T> = { type: 'OK'; payload: T } | { type: 'LOADING' } | { type: 'ERROR' }; | |
export default function <T>(state: State<T>, action: Action<T>): State<T> { | |
switch (action.type) { | |
case 'LOADING': | |
return { ...state, isLoading: true }; | |
case 'OK': | |
return { ...state, error: undefined, isLoading: false, results: action.payload }; | |
case 'ERROR': | |
return { ...state, error: `An error occurred, refresh and try again.`, isLoading: false }; | |
default: | |
return state; | |
} | |
} |
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import algoliasearch, { Places } from 'algoliasearch'; | |
import { useCallback, useEffect, useReducer } from 'react'; | |
import { getLocale } from 'umi-plugin-locale'; | |
import reducer, { Action, State } from './reducer'; | |
import useDebounce from './useDebounce'; | |
interface AutocompleteParams { | |
appId: string; | |
apiKey: string; | |
query: string; | |
type?: 'city' | 'country' | 'address' | 'busStop' | 'trainStation' | 'townhall' | 'airport'; | |
} | |
export default function useAutocomplete(autoCompleteParams: AutocompleteParams): State<Array<string>> { | |
const { appId, apiKey, type = 'address' } = autoCompleteParams; | |
const query = useDebounce(autoCompleteParams.query, 500); | |
const initialState = { isLoading: false }; | |
const [state, dispatch] = useReducer<React.Reducer<State<string[]>, Action<string[]>>>(reducer, initialState); | |
const places = algoliasearch.initPlaces(appId, apiKey); | |
const language: 'fr' | 'nl' | 'en' | 'de' | 'es' = { 'fr-FR': 'fr', nl: 'nl', 'en-US': 'en', de: 'de', es: 'es' }[ | |
getLocale() | |
]; | |
const localizedToAddress = (hit: Places.HitInterface) => | |
`${hit.locale_names[0]}, ${hit.postcode ? hit.postcode[0] : ''} ${hit.city ? hit.city[0] : ''}, ${hit.country}`; | |
const search = useCallback( | |
async (options: Places.QueryInterface & Places.LanguageInterface) => { | |
try { | |
const { hits } = await places.search(options); | |
dispatch({ payload: hits.map(localizedToAddress), type: 'OK' }); | |
} catch (error) { | |
dispatch({ type: 'ERROR' }); | |
} | |
}, | |
[dispatch], | |
); | |
useEffect(() => { | |
if (!state.isLoading) { | |
dispatch({ type: 'LOADING' }); | |
} | |
search({ hitsPerPage: 5, language, query, type }); | |
}, [query, apiKey, appId, type]); | |
return state; | |
} |
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import { useEffect, useRef, useState } from 'react'; | |
export default function <T>(value: T, delay: number): T { | |
const timer = useRef<number | null>(null); | |
const [state, setState] = useState(value); | |
useEffect( | |
() => () => { | |
if (timer.current) { | |
window.clearTimeout(timer.current); | |
} | |
}, | |
[value, delay], | |
); | |
useEffect(() => { | |
if (timer.current === null) { | |
setState(value); | |
} else { | |
window.clearTimeout(timer.current); | |
timer.current = null; | |
} | |
timer.current = window.setTimeout(() => { | |
setState(value); | |
timer.current = null; | |
}, delay); | |
}, [value, delay]); | |
return state; | |
} |
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