Created
June 7, 2024 01:08
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Using Smartproxy API in TypeScript
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| export interface SerpScrapingResult { | |
| query: string; | |
| title: string; | |
| position: number; | |
| url: string; | |
| } | |
| function createRequestParams(apiKey: string, query: string): RequestInit { | |
| return { | |
| method: 'POST', | |
| body: JSON.stringify({ | |
| target: 'google_search', | |
| query: query, | |
| parse: true, | |
| domain: 'co.jp', | |
| locale: 'ja', | |
| google_results_language: 'ja', | |
| geo: 'Japan', | |
| device_type: 'mobile', | |
| page_from: 1, | |
| num_pages: 20, | |
| google_nfpr: true, | |
| google_safe_search: false, | |
| }), | |
| headers: { | |
| 'Content-Type': 'application/json', | |
| Authorization: `Basic ${apiKey}`, | |
| }, | |
| }; | |
| } | |
| function createUrl(url: string): string { | |
| const baseUrl = 'https://google.co.jp'; | |
| if (url.startsWith('http://') || url.startsWith('https://')) { | |
| return url; | |
| } | |
| if (url.startsWith('/')) { | |
| return `${baseUrl}${url}`; | |
| } else { | |
| return `${baseUrl}/${url}`; | |
| } | |
| } | |
| function parseData(query: string, json: any): SerpScrapingResult[] { | |
| const results = json.results[0].content.results; | |
| const organics = results.organic; | |
| return organics?.map((organic: any) => { | |
| const pos = parseInt(organic.pos, 10); | |
| return { | |
| query, | |
| title: organic.title || '', | |
| position: isNaN(pos) ? null : pos, | |
| url: createUrl(organic.url), | |
| } as SerpScrapingResult; | |
| }) || []; | |
| } | |
| export async function fetchSerp(apiKey: string, query: string): Promise<SerpScrapingResult[]> { | |
| try { | |
| const url = 'https://scrape.smartproxy.com/v1/tasks'; | |
| const params = createRequestParams(apiKey, query); | |
| const response = await fetch(url, params).then((response) => { | |
| if (!response.ok) { | |
| throw new Error(`Error on fetch ${url}: ${response.statusText}`); | |
| } | |
| return response as Response; | |
| }); | |
| const json = await response.json(); | |
| return parseData(query, json); | |
| } catch (error) { | |
| throw error; | |
| } | |
| } |
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