Rune Harlyk
80 lines
2.3 KiB
TypeScript
80 lines
2.3 KiB
TypeScript
import { get } from 'svelte/store'
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import { Err, Ok, type Result } from './utilities'
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import { apiLocation } from './stores'
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export const api = {
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get<TResponse>(endpoint: string, params?: RequestInit) {
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return sendRequest<TResponse>(endpoint, 'GET', null, params)
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},
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post<TResponse>(endpoint: string, data?: unknown) {
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return sendRequest<TResponse>(endpoint, 'POST', data)
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},
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put<TResponse>(endpoint: string, data?: unknown) {
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return sendRequest<TResponse>(endpoint, 'PUT', data)
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},
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remove<TResponse>(endpoint: string) {
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return sendRequest<TResponse>(endpoint, 'DELETE')
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}
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}
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async function sendRequest<TResponse>(
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endpoint: string,
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method: string,
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data?: unknown,
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params?: RequestInit
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): Promise<Result<TResponse, Error>> {
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endpoint = resolveUrl(endpoint)
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const body = data !== null && typeof data !== 'undefined' ? JSON.stringify(data) : undefined
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const request = {
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...params,
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method,
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body,
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headers: {
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...params?.headers,
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Authorization: 'Basic',
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'Content-Type': 'application/json'
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}
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}
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let response
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try {
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response = await fetch(endpoint, request)
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} catch {
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return Err.new(new Error(), 'An error has occurred')
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}
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const isResponseOk = response.status >= 200 && response.status < 400
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if (!isResponseOk) {
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if (response.status === 401) {
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return Err.new(new ApiError(response), 'User was not authorized')
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}
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return Err.new(new ApiError(response), 'An error has occurred')
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}
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const contentType = response.headers.get('Content-Type') ?? response.headers.get('Content-Type')
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if (contentType && contentType.includes('application/json')) {
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const data = await response.json()
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return Ok.new(data as TResponse)
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} else {
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// Handle empty object as response
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return Ok.new(null as TResponse)
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}
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}
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function resolveUrl(url: string): string {
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if (url.startsWith('http') || !get(apiLocation)) return url
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const protocol = window.location.protocol
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return `${protocol}//${get(apiLocation)}${url.startsWith('/') ? '' : '/'}${url}`
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}
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export class ApiError extends Error {
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constructor(public readonly response: Response) {
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super(`${response.status}`)
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}
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}
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