danbooru/build/util.js

danbooru api wrapper

'use strict';

exports.queryString = function (input) {
  if (!Array.isArray(input) && Object(input) !== input) return '';

  var output = [];

  unwrap(false, input);
  return '?' + output.join('&');

  function unwrap(base, input) {
    var before = '',
        after = '';
    if (base) {
      before = base + '[';
      after = ']';
    }

    if (Array.isArray(input)) for (var i = 0; i < input.length; i++) {
      loop(i + '', input[i]);
    } else if (Object(input) === input) for (var key in input) {
      loop(key, input[key]);
    } else output.push(base + '=' + encodeURIComponent(input));

    function loop(key, value) {
      unwrap(before + encodeURIComponent(key) + after, value);
    }
  }
};