{"ast":null,"code":"'use strict';\n\nvar utils = require('./utils');\n\nvar formats = require('./formats');\n\nvar arrayPrefixGenerators = {\n  brackets: function brackets(prefix) {\n    // eslint-disable-line func-name-matching\n    return prefix + '[]';\n  },\n  indices: function indices(prefix, key) {\n    // eslint-disable-line func-name-matching\n    return prefix + '[' + key + ']';\n  },\n  repeat: function repeat(prefix) {\n    // eslint-disable-line func-name-matching\n    return prefix;\n  }\n};\nvar toISO = Date.prototype.toISOString;\nvar defaults = {\n  delimiter: '&',\n  encode: true,\n  encoder: utils.encode,\n  encodeValuesOnly: false,\n  serializeDate: function serializeDate(date) {\n    // eslint-disable-line func-name-matching\n    return toISO.call(date);\n  },\n  skipNulls: false,\n  strictNullHandling: false\n};\n\nvar stringify = function stringify( // eslint-disable-line func-name-matching\nobject, prefix, generateArrayPrefix, strictNullHandling, skipNulls, encoder, filter, sort, allowDots, serializeDate, formatter, encodeValuesOnly) {\n  var obj = object;\n\n  if (typeof filter === 'function') {\n    obj = filter(prefix, obj);\n  } else if (obj instanceof Date) {\n    obj = serializeDate(obj);\n  } else if (obj === null) {\n    if (strictNullHandling) {\n      return encoder && !encodeValuesOnly ? encoder(prefix, defaults.encoder) : prefix;\n    }\n\n    obj = '';\n  }\n\n  if (typeof obj === 'string' || typeof obj === 'number' || typeof obj === 'boolean' || utils.isBuffer(obj)) {\n    if (encoder) {\n      var keyValue = encodeValuesOnly ? prefix : encoder(prefix, defaults.encoder);\n      return [formatter(keyValue) + '=' + formatter(encoder(obj, defaults.encoder))];\n    }\n\n    return [formatter(prefix) + '=' + formatter(String(obj))];\n  }\n\n  var values = [];\n\n  if (typeof obj === 'undefined') {\n    return values;\n  }\n\n  var objKeys;\n\n  if (Array.isArray(filter)) {\n    objKeys = filter;\n  } else {\n    var keys = Object.keys(obj);\n    objKeys = sort ? keys.sort(sort) : keys;\n  }\n\n  for (var i = 0; i < objKeys.length; ++i) {\n    var key = objKeys[i];\n\n    if (skipNulls && obj[key] === null) {\n      continue;\n    }\n\n    if (Array.isArray(obj)) {\n      values = values.concat(stringify(obj[key], generateArrayPrefix(prefix, key), generateArrayPrefix, strictNullHandling, skipNulls, encoder, filter, sort, allowDots, serializeDate, formatter, encodeValuesOnly));\n    } else {\n      values = values.concat(stringify(obj[key], prefix + (allowDots ? 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strictNullHandling,\n    skipNulls,\n    encoder,\n    filter,\n    sort,\n    allowDots,\n    serializeDate,\n    formatter,\n    encodeValuesOnly\n) {\n    var obj = object;\n    if (typeof filter === 'function') {\n        obj = filter(prefix, obj);\n    } else if (obj instanceof Date) {\n        obj = serializeDate(obj);\n    } else if (obj === null) {\n        if (strictNullHandling) {\n            return encoder && !encodeValuesOnly ? encoder(prefix, defaults.encoder) : prefix;\n        }\n\n        obj = '';\n    }\n\n    if (typeof obj === 'string' || typeof obj === 'number' || typeof obj === 'boolean' || utils.isBuffer(obj)) {\n        if (encoder) {\n            var keyValue = encodeValuesOnly ? prefix : encoder(prefix, defaults.encoder);\n            return [formatter(keyValue) + '=' + formatter(encoder(obj, defaults.encoder))];\n        }\n        return [formatter(prefix) + '=' + formatter(String(obj))];\n    }\n\n    var values = [];\n\n    if (typeof obj === 'undefined') 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'.' + key : '[' + key + ']'),\n                generateArrayPrefix,\n                strictNullHandling,\n                skipNulls,\n                encoder,\n                filter,\n                sort,\n                allowDots,\n                serializeDate,\n                formatter,\n                encodeValuesOnly\n            ));\n        }\n    }\n\n    return values;\n};\n\nmodule.exports = function (object, opts) {\n    var obj = object;\n    var options = opts ? utils.assign({}, opts) : {};\n\n    if (options.encoder !== null && options.encoder !== undefined && typeof options.encoder !== 'function') {\n        throw new TypeError('Encoder has to be a function.');\n    }\n\n    var delimiter = typeof options.delimiter === 'undefined' ? defaults.delimiter : options.delimiter;\n    var strictNullHandling = typeof options.strictNullHandling === 'boolean' ? options.strictNullHandling : defaults.strictNullHandling;\n    var skipNulls = typeof options.skipNulls === 'boolean' ? options.skipNulls : defaults.skipNulls;\n    var encode = typeof options.encode === 'boolean' ? options.encode : defaults.encode;\n    var encoder = typeof options.encoder === 'function' ? options.encoder : defaults.encoder;\n    var sort = typeof options.sort === 'function' ? options.sort : null;\n    var allowDots = typeof options.allowDots === 'undefined' ? false : options.allowDots;\n    var serializeDate = typeof options.serializeDate === 'function' ? options.serializeDate : defaults.serializeDate;\n    var encodeValuesOnly = typeof options.encodeValuesOnly === 'boolean' ? options.encodeValuesOnly : defaults.encodeValuesOnly;\n    if (typeof options.format === 'undefined') {\n        options.format = formats['default'];\n    } else if (!Object.prototype.hasOwnProperty.call(formats.formatters, options.format)) {\n        throw new TypeError('Unknown format option provided.');\n    }\n    var formatter = formats.formatters[options.format];\n    var objKeys;\n    var filter;\n\n    if (typeof options.filter === 'function') {\n        filter = options.filter;\n        obj = filter('', obj);\n    } else if (Array.isArray(options.filter)) {\n        filter = options.filter;\n        objKeys = filter;\n    }\n\n    var keys = [];\n\n    if (typeof obj !== 'object' || obj === null) {\n        return '';\n    }\n\n    var arrayFormat;\n    if (options.arrayFormat in arrayPrefixGenerators) {\n        arrayFormat = options.arrayFormat;\n    } else if ('indices' in options) {\n        arrayFormat = options.indices ? 'indices' : 'repeat';\n    } else {\n        arrayFormat = 'indices';\n    }\n\n    var generateArrayPrefix = arrayPrefixGenerators[arrayFormat];\n\n    if (!objKeys) {\n        objKeys = Object.keys(obj);\n    }\n\n    if (sort) {\n        objKeys.sort(sort);\n    }\n\n    for (var i = 0; i < objKeys.length; ++i) {\n        var key = objKeys[i];\n\n        if (skipNulls && obj[key] === null) {\n            continue;\n        }\n\n        keys = keys.concat(stringify(\n            obj[key],\n            key,\n            generateArrayPrefix,\n            strictNullHandling,\n            skipNulls,\n            encode ? encoder : null,\n            filter,\n            sort,\n            allowDots,\n            serializeDate,\n            formatter,\n            encodeValuesOnly\n        ));\n    }\n\n    var joined = keys.join(delimiter);\n    var prefix = options.addQueryPrefix === true ? '?' : '';\n\n    return joined.length > 0 ? prefix + joined : '';\n};\n"]},"metadata":{},"sourceType":"script"}