Query url & array

getQuery.js

/* eslint-disable import/prefer-default-export */

const queryArray = arr => arr.map((v) => {
  const a = v.split('='); // Split by the kvp separator (=)
  return {
    name: a.shift(), // Grab text before the first equal sign (the key)
    value: a.join('=') // Grab the value (everything after the first equals)
  };
});

const queryObject = arr => arr.reduce((v, cV) => {
  const a = cV.split('='); // Split by the kvp separator (=)
  return Object.assign(v, {
    // KEY: Grab text before the first equal sign
    // VALUE: Grab everything after the first equals
    [a.shift()]: a.join('=')
  });
}, {});

// Parse a URL and return an object of KVPs
export const getQuery = (url, type = 'object') => {
  const arr = String(url)
    .split('?') // Split it by the query indicator (?)
    .splice(1) // Remove everything before the first indicator
    .join('?') // Put everything back together (in case ? is in one of the params)
    .split(/&(?:amp;)?/); // Separate out each parameter, separated by ampersands

  if (type === 'object') return queryObject(arr);
  else if (type === 'array') return queryArray(arr);
  throw new TypeError(
    `Unsupported return type for getQuery. Cannot return a ${type}`
  );
};