JS Rest client

rest-client.js

class RestClient {
 static endpoint = '';

 constructor () {
  this.id = args.id;
  this.errors = Array.isArray(args.errors) ? args.errors : [];
 }

 static adapter;

  static toQueryString(params = {}, prefix = '') {
    const query = Object.keys(params).map((k) => {
      let key = k;
      const value = params[key];
      if (params.constructor === Array) {
        key = encodeURIComponent(`${prefix}[]`);
      } else if (params.constructor === Object) {
        key = prefix ? `${prefix}[${key}]` : key;
      }
      if (typeof value === 'object') {
        return this.toQueryString(value, key);
      }
      return `${key}=${encodeURIComponent(value)}`;
    });
    return [...query].join('&');
  }

  static constructEndpoint(args = {}) {
    const urlParams = this.endpoint.match(/:\w+/g);
    if (!urlParams) {
      return this.endpoint;
    }
    let url = this.endpoint;
    urlParams.forEach((item) => {
      url = url.replace(item, args[item.substring(1)]);
    });
    return url;
  }

  validate() {}

  get(args, query) {
   let requestURL = this.id ? `${this.constructEndpoint(args)}/${this.id}` : this.constructEndpoint(args);

    if (typeof query === 'object') {
      requestURL += `?${this.toQueryString(query)}`;
    }
    
    return this.adapter.get(requestURL)
  }

  save() {
   return this.id ? this._update() : this._create()
  }

  delete() {
    return this.constructor.adapter.patch(`${this.constructEndpoint()}/${this.id}`, this.getData());
  }

  constructData() { 
    
  }

  private _update() {
    return this.constructor.adapter.patch(`${this.constructEndpoint()}/${this.id}`, this.constructData());
  }

  private _create() {
    return this.constructor.adapter.post(this.constructEndpoint(), this.constructData());
  }
}