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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,120 @@ | ||
| import { uniqueId } from 'lodash' | ||
| import React, { useEffect, useState } from 'react' | ||
| import { Link } from 'react-router-dom' | ||
| import { ApiSearchResponse } from '../models/SearchResult' | ||
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| import styles from '../style/components/SearchResults.module.css' | ||
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| interface Props { | ||
| searchQuery: string | ||
| loading: boolean | ||
| results: ApiSearchResponse | ||
| } | ||
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| export default function SearchResults (props: Props): JSX.Element { | ||
| const [loading, setLoading] = useState<boolean>(props.loading) | ||
| const [resultElements, setResultElements] = useState<JSX.Element[]>([]) | ||
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| useEffect(() => { | ||
| setLoading(props.loading) | ||
| }, [props.loading]) | ||
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| useEffect(() => { | ||
| setLoading(true) | ||
| setResultElements(createSearchResultElements(props.results)) | ||
| setLoading(false) | ||
| }, [props.results]) | ||
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| /** | ||
| * Used to create the result elements before updating the UI, | ||
| * as this can lag if there are many results. | ||
| * @param res ApiSearchResponse | ||
| * @returns Array of JSX.Element | ||
| */ | ||
| const createSearchResultElements = ( | ||
| res: ApiSearchResponse | ||
| ): JSX.Element[] => { | ||
| const projects = res.projects.map((p) => ( | ||
| <Link | ||
| className={styles['search-result']} | ||
| key={`project-${p.name}`} | ||
| to={`/${p.name}`} | ||
| dangerouslySetInnerHTML={{ | ||
| __html: highlighedText(p.name) | ||
| }} | ||
| ></Link> | ||
| )) | ||
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| const versions = res.versions.map((v) => ( | ||
| <Link | ||
| className={styles['search-result']} | ||
| key={`version-${v.project}-${v.version}`} | ||
| to={`/${v.project}/${v.version}`} | ||
| dangerouslySetInnerHTML={{ | ||
| __html: highlighedText(`${v.project} v. ${v.version}`) | ||
| }} | ||
| ></Link> | ||
| )) | ||
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| const files = res.files.map((f) => ( | ||
| <Link | ||
| className={styles['search-result']} | ||
| key={`file-${f.project}-${f.version}-${f.path}`} | ||
| to={`/${f.project}/${f.version}/${f.path}`} | ||
| dangerouslySetInnerHTML={{ | ||
| __html: highlighedText(`${f.project} v. ${f.version} - ${f.path}`) | ||
| }} | ||
| ></Link> | ||
| )) | ||
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| return [...projects, ...versions, ...files] | ||
| } | ||
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| /** | ||
| * Used to replace any unsafe characters in the displayed name | ||
| * with their html counterparts because we need to set the text as | ||
| * html to be able to highlight the search query. | ||
| * @param text content to be escaped | ||
| * @returns excaped text | ||
| */ | ||
| const escapeHtml = (text: string): string => { | ||
| return text | ||
| .replaceAll('&', '&') | ||
| .replaceAll('<', '<') | ||
| .replaceAll('>', '>') | ||
| .replaceAll('"', '"') | ||
| .replaceAll("'", ''') | ||
| } | ||
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| /** | ||
| * Used to highlight the query in the displayed link text. | ||
| * @param text link text | ||
| * @returns html string with highlighted query | ||
| */ | ||
| const highlighedText = (text: string): string => { | ||
| text = escapeHtml(text) | ||
| return text.replaceAll( | ||
| props.searchQuery, | ||
| `<span class="${styles.highlighted}" key="highlighted-${uniqueId()}">${ | ||
| props.searchQuery | ||
| }</span>` | ||
| ) | ||
| } | ||
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| if (loading) { | ||
| return <div className="loading-spinner"></div> | ||
| } | ||
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| if (resultElements.length === 0) { | ||
| if (props.searchQuery.trim().length === 0) { | ||
| return <div className={styles['no-results']}>No results</div> | ||
| } | ||
| return ( | ||
| <div className={styles['no-results']}> | ||
| No results for "{props.searchQuery}" | ||
| </div> | ||
| ) | ||
| } | ||
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| return <div className={styles['search-results']}>{resultElements}</div> | ||
| } |
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