2024-01-19 20:57:03 -08:00
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import './autogen/apiClientJSDoc.js';
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2023-12-07 22:15:17 -08:00
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2024-07-06 22:08:18 -07:00
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import { endpointReqTypes } from './autogen/endpoint.js';
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import type { SwitchCaseResponseType, Endpoints } from './api.types.js';
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2024-03-29 23:28:19 -07:00
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export type {
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SwitchCaseResponseType,
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} from './api.types.js';
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2023-03-29 17:33:19 -07:00
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const MK_API_ERROR = Symbol();
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export type APIError = {
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id: string;
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code: string;
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message: string;
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kind: 'client' | 'server';
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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info: Record<string, any>;
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};
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2024-02-11 18:38:16 -08:00
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export function isAPIError(reason: Record<PropertyKey, unknown>): reason is APIError {
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return reason[MK_API_ERROR] === true;
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}
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export type FetchLike = (input: string, init?: {
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method?: string;
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body?: Blob | FormData | string;
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credentials?: RequestCredentials;
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cache?: RequestCache;
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headers: { [key in string]: string }
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}) => Promise<{
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status: number;
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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json(): Promise<any>;
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}>;
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export class APIClient {
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public origin: string;
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public credential: string | null | undefined;
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public fetch: FetchLike;
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constructor(opts: {
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origin: APIClient['origin'];
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credential?: APIClient['credential'];
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fetch?: APIClient['fetch'] | null | undefined;
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}) {
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this.origin = opts.origin;
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this.credential = opts.credential;
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// ネイティブ関数をそのまま変数に代入して使おうとするとChromiumではIllegal invocationエラーが発生するため、
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// 環境で実装されているfetchを使う場合は無名関数でラップして使用する
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this.fetch = opts.fetch ?? ((...args) => fetch(...args));
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}
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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private assertIsRecord<T>(obj: T): obj is T & Record<string, any> {
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return obj !== null && typeof obj === 'object' && !Array.isArray(obj);
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}
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2024-09-06 01:22:45 -07:00
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private assertSpecialEpReqType(ep: keyof Endpoints): ep is keyof typeof endpointReqTypes {
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return ep in endpointReqTypes;
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}
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public request<E extends keyof Endpoints, P extends Endpoints[E]['req']>(
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endpoint: E,
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params: P = {} as P,
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credential?: string | null,
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): Promise<SwitchCaseResponseType<E, P>> {
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return new Promise((resolve, reject) => {
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let mediaType = 'application/json';
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// (autogenがバグったときのため、念の為nullチェックも行う)
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// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
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if (this.assertSpecialEpReqType(endpoint) && endpointReqTypes[endpoint] != null) {
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mediaType = endpointReqTypes[endpoint];
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}
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let payload: FormData | string = '{}';
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if (mediaType === 'application/json') {
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payload = JSON.stringify({
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...params,
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i: credential !== undefined ? credential : this.credential,
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});
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} else if (mediaType === 'multipart/form-data') {
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payload = new FormData();
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const i = credential !== undefined ? credential : this.credential;
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if (i != null) {
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payload.append('i', i);
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}
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if (this.assertIsRecord(params)) {
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for (const key in params) {
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const value = params[key];
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if (value == null) continue;
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if (value instanceof File || value instanceof Blob) {
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payload.append(key, value);
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} else if (typeof value === 'object') {
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payload.append(key, JSON.stringify(value));
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} else {
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payload.append(key, value);
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}
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}
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}
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}
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this.fetch(`${this.origin}/api/${endpoint}`, {
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method: 'POST',
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body: payload,
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headers: {
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'Content-Type': mediaType,
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},
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credentials: 'omit',
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cache: 'no-cache',
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}).then(async (res) => {
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const body = res.status === 204 ? null : await res.json();
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if (res.status === 200 || res.status === 204) {
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resolve(body);
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} else {
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reject({
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[MK_API_ERROR]: true,
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...body.error,
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});
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}
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}).catch(reject);
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});
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}
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}
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