chore: add project dependencies and configuration files
Initial setup of project dependencies including axios, express, dotenv, and other supporting packages. Added configuration files and documentation for project setup and usage.
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296
node_modules/qs/lib/parse.js
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296
node_modules/qs/lib/parse.js
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'use strict';
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var utils = require('./utils');
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var has = Object.prototype.hasOwnProperty;
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var isArray = Array.isArray;
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var defaults = {
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allowDots: false,
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allowEmptyArrays: false,
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allowPrototypes: false,
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allowSparse: false,
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arrayLimit: 20,
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charset: 'utf-8',
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charsetSentinel: false,
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comma: false,
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decodeDotInKeys: false,
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decoder: utils.decode,
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delimiter: '&',
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depth: 5,
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duplicates: 'combine',
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ignoreQueryPrefix: false,
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interpretNumericEntities: false,
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parameterLimit: 1000,
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parseArrays: true,
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plainObjects: false,
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strictDepth: false,
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strictNullHandling: false
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};
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var interpretNumericEntities = function (str) {
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return str.replace(/&#(\d+);/g, function ($0, numberStr) {
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return String.fromCharCode(parseInt(numberStr, 10));
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});
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};
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var parseArrayValue = function (val, options) {
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if (val && typeof val === 'string' && options.comma && val.indexOf(',') > -1) {
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return val.split(',');
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}
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return val;
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};
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// This is what browsers will submit when the ✓ character occurs in an
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// application/x-www-form-urlencoded body and the encoding of the page containing
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// the form is iso-8859-1, or when the submitted form has an accept-charset
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// attribute of iso-8859-1. Presumably also with other charsets that do not contain
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// the ✓ character, such as us-ascii.
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var isoSentinel = 'utf8=%26%2310003%3B'; // encodeURIComponent('✓')
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// These are the percent-encoded utf-8 octets representing a checkmark, indicating that the request actually is utf-8 encoded.
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var charsetSentinel = 'utf8=%E2%9C%93'; // encodeURIComponent('✓')
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var parseValues = function parseQueryStringValues(str, options) {
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var obj = { __proto__: null };
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var cleanStr = options.ignoreQueryPrefix ? str.replace(/^\?/, '') : str;
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cleanStr = cleanStr.replace(/%5B/gi, '[').replace(/%5D/gi, ']');
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var limit = options.parameterLimit === Infinity ? undefined : options.parameterLimit;
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var parts = cleanStr.split(options.delimiter, limit);
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var skipIndex = -1; // Keep track of where the utf8 sentinel was found
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var i;
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var charset = options.charset;
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if (options.charsetSentinel) {
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for (i = 0; i < parts.length; ++i) {
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if (parts[i].indexOf('utf8=') === 0) {
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if (parts[i] === charsetSentinel) {
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charset = 'utf-8';
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} else if (parts[i] === isoSentinel) {
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charset = 'iso-8859-1';
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}
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skipIndex = i;
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i = parts.length; // The eslint settings do not allow break;
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}
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}
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}
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for (i = 0; i < parts.length; ++i) {
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if (i === skipIndex) {
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continue;
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}
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var part = parts[i];
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var bracketEqualsPos = part.indexOf(']=');
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var pos = bracketEqualsPos === -1 ? part.indexOf('=') : bracketEqualsPos + 1;
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var key, val;
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if (pos === -1) {
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key = options.decoder(part, defaults.decoder, charset, 'key');
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val = options.strictNullHandling ? null : '';
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} else {
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key = options.decoder(part.slice(0, pos), defaults.decoder, charset, 'key');
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val = utils.maybeMap(
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parseArrayValue(part.slice(pos + 1), options),
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function (encodedVal) {
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return options.decoder(encodedVal, defaults.decoder, charset, 'value');
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}
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);
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}
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if (val && options.interpretNumericEntities && charset === 'iso-8859-1') {
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val = interpretNumericEntities(val);
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}
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if (part.indexOf('[]=') > -1) {
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val = isArray(val) ? [val] : val;
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}
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var existing = has.call(obj, key);
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if (existing && options.duplicates === 'combine') {
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obj[key] = utils.combine(obj[key], val);
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} else if (!existing || options.duplicates === 'last') {
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obj[key] = val;
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}
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}
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return obj;
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};
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var parseObject = function (chain, val, options, valuesParsed) {
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var leaf = valuesParsed ? val : parseArrayValue(val, options);
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for (var i = chain.length - 1; i >= 0; --i) {
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var obj;
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var root = chain[i];
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if (root === '[]' && options.parseArrays) {
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obj = options.allowEmptyArrays && (leaf === '' || (options.strictNullHandling && leaf === null))
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? []
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: [].concat(leaf);
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} else {
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obj = options.plainObjects ? Object.create(null) : {};
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var cleanRoot = root.charAt(0) === '[' && root.charAt(root.length - 1) === ']' ? root.slice(1, -1) : root;
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var decodedRoot = options.decodeDotInKeys ? cleanRoot.replace(/%2E/g, '.') : cleanRoot;
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var index = parseInt(decodedRoot, 10);
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if (!options.parseArrays && decodedRoot === '') {
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obj = { 0: leaf };
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} else if (
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!isNaN(index)
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&& root !== decodedRoot
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&& String(index) === decodedRoot
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&& index >= 0
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&& (options.parseArrays && index <= options.arrayLimit)
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) {
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obj = [];
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obj[index] = leaf;
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} else if (decodedRoot !== '__proto__') {
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obj[decodedRoot] = leaf;
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}
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}
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leaf = obj;
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}
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return leaf;
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};
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var parseKeys = function parseQueryStringKeys(givenKey, val, options, valuesParsed) {
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if (!givenKey) {
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return;
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}
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// Transform dot notation to bracket notation
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var key = options.allowDots ? givenKey.replace(/\.([^.[]+)/g, '[$1]') : givenKey;
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// The regex chunks
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var brackets = /(\[[^[\]]*])/;
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var child = /(\[[^[\]]*])/g;
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// Get the parent
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var segment = options.depth > 0 && brackets.exec(key);
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var parent = segment ? key.slice(0, segment.index) : key;
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// Stash the parent if it exists
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var keys = [];
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if (parent) {
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// If we aren't using plain objects, optionally prefix keys that would overwrite object prototype properties
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if (!options.plainObjects && has.call(Object.prototype, parent)) {
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if (!options.allowPrototypes) {
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return;
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}
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}
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keys.push(parent);
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}
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// Loop through children appending to the array until we hit depth
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var i = 0;
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while (options.depth > 0 && (segment = child.exec(key)) !== null && i < options.depth) {
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i += 1;
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if (!options.plainObjects && has.call(Object.prototype, segment[1].slice(1, -1))) {
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if (!options.allowPrototypes) {
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return;
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}
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}
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keys.push(segment[1]);
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}
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// If there's a remainder, check strictDepth option for throw, else just add whatever is left
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if (segment) {
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if (options.strictDepth === true) {
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throw new RangeError('Input depth exceeded depth option of ' + options.depth + ' and strictDepth is true');
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}
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keys.push('[' + key.slice(segment.index) + ']');
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}
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return parseObject(keys, val, options, valuesParsed);
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};
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var normalizeParseOptions = function normalizeParseOptions(opts) {
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if (!opts) {
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return defaults;
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}
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if (typeof opts.allowEmptyArrays !== 'undefined' && typeof opts.allowEmptyArrays !== 'boolean') {
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throw new TypeError('`allowEmptyArrays` option can only be `true` or `false`, when provided');
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}
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if (typeof opts.decodeDotInKeys !== 'undefined' && typeof opts.decodeDotInKeys !== 'boolean') {
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throw new TypeError('`decodeDotInKeys` option can only be `true` or `false`, when provided');
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}
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if (opts.decoder !== null && typeof opts.decoder !== 'undefined' && typeof opts.decoder !== 'function') {
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throw new TypeError('Decoder has to be a function.');
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}
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if (typeof opts.charset !== 'undefined' && opts.charset !== 'utf-8' && opts.charset !== 'iso-8859-1') {
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throw new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined');
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}
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var charset = typeof opts.charset === 'undefined' ? defaults.charset : opts.charset;
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var duplicates = typeof opts.duplicates === 'undefined' ? defaults.duplicates : opts.duplicates;
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if (duplicates !== 'combine' && duplicates !== 'first' && duplicates !== 'last') {
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throw new TypeError('The duplicates option must be either combine, first, or last');
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}
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var allowDots = typeof opts.allowDots === 'undefined' ? opts.decodeDotInKeys === true ? true : defaults.allowDots : !!opts.allowDots;
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return {
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allowDots: allowDots,
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allowEmptyArrays: typeof opts.allowEmptyArrays === 'boolean' ? !!opts.allowEmptyArrays : defaults.allowEmptyArrays,
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allowPrototypes: typeof opts.allowPrototypes === 'boolean' ? opts.allowPrototypes : defaults.allowPrototypes,
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allowSparse: typeof opts.allowSparse === 'boolean' ? opts.allowSparse : defaults.allowSparse,
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arrayLimit: typeof opts.arrayLimit === 'number' ? opts.arrayLimit : defaults.arrayLimit,
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charset: charset,
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charsetSentinel: typeof opts.charsetSentinel === 'boolean' ? opts.charsetSentinel : defaults.charsetSentinel,
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comma: typeof opts.comma === 'boolean' ? opts.comma : defaults.comma,
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decodeDotInKeys: typeof opts.decodeDotInKeys === 'boolean' ? opts.decodeDotInKeys : defaults.decodeDotInKeys,
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decoder: typeof opts.decoder === 'function' ? opts.decoder : defaults.decoder,
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delimiter: typeof opts.delimiter === 'string' || utils.isRegExp(opts.delimiter) ? opts.delimiter : defaults.delimiter,
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// eslint-disable-next-line no-implicit-coercion, no-extra-parens
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depth: (typeof opts.depth === 'number' || opts.depth === false) ? +opts.depth : defaults.depth,
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duplicates: duplicates,
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ignoreQueryPrefix: opts.ignoreQueryPrefix === true,
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interpretNumericEntities: typeof opts.interpretNumericEntities === 'boolean' ? opts.interpretNumericEntities : defaults.interpretNumericEntities,
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parameterLimit: typeof opts.parameterLimit === 'number' ? opts.parameterLimit : defaults.parameterLimit,
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parseArrays: opts.parseArrays !== false,
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plainObjects: typeof opts.plainObjects === 'boolean' ? opts.plainObjects : defaults.plainObjects,
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strictDepth: typeof opts.strictDepth === 'boolean' ? !!opts.strictDepth : defaults.strictDepth,
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strictNullHandling: typeof opts.strictNullHandling === 'boolean' ? opts.strictNullHandling : defaults.strictNullHandling
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};
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};
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module.exports = function (str, opts) {
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var options = normalizeParseOptions(opts);
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if (str === '' || str === null || typeof str === 'undefined') {
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return options.plainObjects ? Object.create(null) : {};
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}
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var tempObj = typeof str === 'string' ? parseValues(str, options) : str;
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var obj = options.plainObjects ? Object.create(null) : {};
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// Iterate over the keys and setup the new object
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var keys = Object.keys(tempObj);
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for (var i = 0; i < keys.length; ++i) {
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var key = keys[i];
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var newObj = parseKeys(key, tempObj[key], options, typeof str === 'string');
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obj = utils.merge(obj, newObj, options);
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}
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if (options.allowSparse === true) {
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return obj;
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}
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return utils.compact(obj);
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};
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