@amanooo/fetch/src/util.ts

custom fetch

export const obj2urlParams = (obj: Object = {}): string => {
    return Object.keys(obj).length === 0
        ? ''
        : Object.keys(obj)
            .filter(key => obj[key] !== undefined)
            .reduce((str, key) => `${str}${key}=${obj[key]}&`, '')
            .slice(0, -1)
            .replace(/^/, '?')
}

export function commonHeaders(): HeadersInit {
    return {
        'content-type': 'application/json',
    }
}
export function commonRetryOpts() {
    return {
        retries: 3,
        delay: 3 * 1000,
        timeout: 60 * 1000,
    }
}
export function cost(startTime: Date) {
    return (new Date().getTime() - startTime.getTime()) / 1000
}

export function delay(time: number) {
    return new Promise(resolve => setTimeout(() => resolve(true), time))
}
export function timeout(time: number) {
    return new Promise((resolve, reject) => setTimeout(() => reject('timeout'), time));
}
export async function filter200Status(r: Response) {
    if (r.status !== 200) {
        const text = await r.text()
        return Promise.reject(`${r.url} error status ${r.status} ${r.statusText} ${text}`)
        // throw new Error(`${r.url} error status ${r.status} ${r.statusText} ${text}`);
    }
    return r.json()
}