axios/lib/helpers/AxiosURLSearchParams.js

Promise based HTTP client for the browser and node.js

'use strict';

var toFormData = require('./toFormData');

function encode(str) {
  // Do not map `%00` back to a raw null byte: that reversed
  // the safe percent-encoding from encodeURIComponent and enabled null byte injection.
  var charMap = {
    '!': '%21',
    "'": '%27',
    '(': '%28',
    ')': '%29',
    '~': '%7E',
    '%20': '+'
  };
  return encodeURIComponent(str).replace(
    /[!'\(\)~]|%20/g,
    function replacer(match) {
      return charMap[match];
    }
  );
}

function AxiosURLSearchParams(params, options) {
  this._pairs = [];

  params && toFormData(params, this, options);
}

var prototype = AxiosURLSearchParams.prototype;

prototype.append = function append(name, value) {
  this._pairs.push([name, value]);
};

prototype.toString = function toString(encoder) {
  var _encode = encoder
    ? function(value) {
      return encoder.call(this, value, encode);
    }
    : encode;

  return this._pairs
    .map(function each(pair) {
      return _encode(pair[0]) + '=' + _encode(pair[1]);
    }, '')
    .join('&');
};

module.exports = AxiosURLSearchParams;