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import { useEffect, useState } from 'react' |
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import { addQueryArg } from '../utils/restAPI' |
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import { useRestAPI } from './useRestAPI' |
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import type { DuplicateReport, DuplicateSearchResponse } from '../types/Feedback' |
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|
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/** Shortest title worth looking for existing reports of. */ |
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const MIN_SEARCH_LENGTH = 6 |
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|
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/** How long to wait after the last keystroke before searching. */ |
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const SEARCH_DEBOUNCE_MS = 600 |
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|
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/** |
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* Offer reports already filed about whatever is being described, so the same problem is |
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* not reported twice. A cloud that cannot answer leaves the list empty rather than |
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* interrupting the report being written. |
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*/ |
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export const useDuplicateReports = (searchUrl: string, title: string): DuplicateReport[] => { |
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const { api } = useRestAPI() |
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const [duplicates, setDuplicates] = useState<DuplicateReport[]>([]) |
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|
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useEffect(() => { |
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const query = title.trim() |
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|
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if (MIN_SEARCH_LENGTH > query.length) { |
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setDuplicates([]) |
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return |
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} |
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|
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let active = true |
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|
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const timer = setTimeout(() => { |
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api.get<DuplicateSearchResponse>(addQueryArg({ url: searchUrl, name: 'q', value: query })) |
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.then(data => active && setDuplicates(data.results)) |
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.catch(() => active && setDuplicates([])) |
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}, SEARCH_DEBOUNCE_MS) |
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|
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return () => { |
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active = false |
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clearTimeout(timer) |
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} |
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}, [api, searchUrl, title]) |
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|
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return duplicates |
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} |
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|
