fql-toolkit/src/client.js

Fql Toolkit

import FQLError from "./errors.js"

class FQLResponse {
  constructor({msg, output = '', fql_token = [], error = false}){
    this.message = msg
    this.output = output
    this.fqlToken = fql_token
    this.isError = error
  }

  _handleCallback(callback){
    callback({
      message: this.message, 
      output: this.output, 
      fqlToken: this.fqlToken,
      isError: this.isError
    })
  }

  onSuccess (callback){
    if (!this.isError){ this._handleCallback(callback) }
    return this
  }

  onError (callback){
    if (this.isError){ this._handleCallback(callback) }
    return this
  }
}

export default class FQLClient{
  constructor({token, url}){
    this.url = url
    this.headers = {
      'Content-Type': 'application/json'
    }
    this.token = token
  }

  async executeFQL(query, fqlToken = null){
    return await fetch(`${this.url}/api/run_code`, {
      method: "POST",
      headers: this.headers,
      body: JSON.stringify({ code: query, token: this.token, fql_token: fqlToken})
    })
    .then(async (res) => {
      if (!res.ok){
        throw new FQLError('FQL query execution failed')
      }
      return res.json()
    })
    .then(data => new FQLResponse(data))
    .catch((err) => {
      if (err instanceof FQLError) 
        return new FQLResponse({msg: err.message, error: true})
      return new FQLResponse({msg: `FQL execution failed: ${err.message}`, error: true})
    })
  }
}