OsuWebRequests

simple wrapper for making osu related sequential web requests

This script should not be not be installed directly. It is a library for other scripts to include with the meta directive // @require https://update.greatest.deepsurf.us/scripts/441005/1241410/OsuWebRequests.js

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Wrap lines

class Request {
    constructor(url, params, successFn, errorFn, options = {}) {
        this.url = new URL(url);
        this.url.search = new URLSearchParams(params).toString();
        this.successFn = successFn;
        this.errorFn = errorFn;
        this.options = options;
    }
 
    send(cb) {
        fetch(this.url, this.options).then(res => {
            cb();
            if (this.successFn) {
                this.successFn(res);
            }
        }).catch(err => {
            cb();
            if (this.errorFn) {
                this.errorFn(err);
            }
        });
    }
}
 
class Web {
    base = window.location.origin;
 
    constructor(apiKey = null) {
        this.key = apiKey;
        this.requests = [];
    }
 
    get(path, params, successFn, errorFn, options = {}) {
        const req = new Request(`${this.base}${path}`, params, successFn, errorFn, options);
        this.queue(req);
    }
 
    api(path, params, successFn, errorFn) {
        params.k = this.key;
        const req = new Request(`${this.base}/api${path}`, params, successFn, errorFn);
        this.queue(req);
    }
 
    queue(req) {
        this.requests.push(req);
        if (this.requests.length === 1) {
            this.next();
        }
    }
 
    next() {
        if (this.requests.length === 0) {
            return;
        }
        const req = this.requests[0];
        req.send(() => {
            this.requests.shift();
            this.next();
        });
    }
}