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| 1 | +import { defaultEndpoints } from './constants'; |
| 2 | + |
| 3 | +// const baseUrl = `http://localhost:9000`; |
| 4 | +// let baseUrl = SERVER.main[0]; |
| 5 | +// const baseUrl = `https://p.reactnative.cn/api`; |
| 6 | + |
| 7 | +export function promiseAny<T>(promises: Promise<T>[]) { |
| 8 | + return new Promise<T>((resolve, reject) => { |
| 9 | + let count = 0; |
| 10 | + |
| 11 | + for (const promise of promises) { |
| 12 | + Promise.resolve(promise) |
| 13 | + .then(resolve) |
| 14 | + .catch(() => { |
| 15 | + count++; |
| 16 | + if (count === promises.length) { |
| 17 | + reject(new Error('All promises were rejected')); |
| 18 | + } |
| 19 | + }); |
| 20 | + } |
| 21 | + }); |
| 22 | +} |
| 23 | + |
| 24 | +export const ping = async (url: string) => { |
| 25 | + let pingFinished = false; |
| 26 | + return Promise.race([ |
| 27 | + fetch(url, { |
| 28 | + method: 'HEAD', |
| 29 | + }) |
| 30 | + .then(({ status, statusText }) => { |
| 31 | + pingFinished = true; |
| 32 | + if (status === 200) { |
| 33 | + // console.log('ping success', url); |
| 34 | + return url; |
| 35 | + } |
| 36 | + // console.log('ping failed', url, status, statusText); |
| 37 | + throw new Error('ping failed'); |
| 38 | + }) |
| 39 | + .catch((e) => { |
| 40 | + pingFinished = true; |
| 41 | + // console.log('ping error', url, e); |
| 42 | + throw new Error('ping error'); |
| 43 | + }), |
| 44 | + new Promise((_, reject) => |
| 45 | + setTimeout(() => { |
| 46 | + reject(new Error('ping timeout')); |
| 47 | + if (!pingFinished) { |
| 48 | + // console.log('ping timeout', url); |
| 49 | + } |
| 50 | + }, 2000), |
| 51 | + ), |
| 52 | + ]) as Promise<string | null>; |
| 53 | +}; |
| 54 | + |
| 55 | +export const testUrls = async (urls?: string[]) => { |
| 56 | + if (!urls?.length) { |
| 57 | + return null; |
| 58 | + } |
| 59 | + const ret = await promiseAny(urls.map(ping)); |
| 60 | + if (ret) { |
| 61 | + return ret; |
| 62 | + } |
| 63 | + // console.log('all ping failed, use first url:', urls[0]); |
| 64 | + return urls[0]; |
| 65 | +}; |
| 66 | + |
| 67 | +export const getBaseUrl = (async () => { |
| 68 | + const testEndpoint = process.env.PUSHY_REGISTRY || process.env.RNU_API; |
| 69 | + if (testEndpoint) { |
| 70 | + return testEndpoint; |
| 71 | + } |
| 72 | + return testUrls(defaultEndpoints.map((url) => `${url}/status`)).then( |
| 73 | + (ret) => { |
| 74 | + let baseUrl = defaultEndpoints[0]; |
| 75 | + if (ret) { |
| 76 | + // remove /status |
| 77 | + baseUrl = ret.replace('/status', ''); |
| 78 | + } |
| 79 | + // console.log('baseUrl', baseUrl); |
| 80 | + return baseUrl; |
| 81 | + }, |
| 82 | + ); |
| 83 | +})(); |
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