1 files changed, 414 insertions, 0 deletions
diff --git a/node_modules/qs/lib/parse.js b/node_modules/qs/lib/parse.js
new file mode 100644
index 0000000..0ccb70c
--- /dev/null
+++ b/node_modules/qs/lib/parse.js
@@ -0,0 +1,414 @@
+'use strict';
+
+var utils = require('./utils');
+
+var has = Object.prototype.hasOwnProperty;
+var isArray = Array.isArray;
+
+var defaults = {
+    allowDots: false,
+    allowEmptyArrays: false,
+    allowPrototypes: false,
+    allowSparse: false,
+    arrayLimit: 20,
+    charset: 'utf-8',
+    charsetSentinel: false,
+    comma: false,
+    decodeDotInKeys: false,
+    decoder: utils.decode,
+    delimiter: '&',
+    depth: 5,
+    duplicates: 'combine',
+    ignoreQueryPrefix: false,
+    interpretNumericEntities: false,
+    parameterLimit: 1000,
+    parseArrays: true,
+    plainObjects: false,
+    strictDepth: false,
+    strictMerge: true,
+    strictNullHandling: false,
+    throwOnLimitExceeded: false
+};
+
+var interpretNumericEntities = function (str) {
+    return str.replace(/&#(\d+);/g, function ($0, numberStr) {
+        return String.fromCharCode(parseInt(numberStr, 10));
+    });
+};
+
+var parseArrayValue = function (val, options, currentArrayLength, isFlatArrayValue) {
+    if (val && typeof val === 'string' && options.comma && val.indexOf(',') > -1) {
+        if (isFlatArrayValue && options.throwOnLimitExceeded) {
+            var commaCount = 0;
+            var commaIndex = val.indexOf(',');
+            while (commaIndex > -1) {
+                commaCount += 1;
+                if (commaCount >= options.arrayLimit) {
+                    throw new RangeError('Array limit exceeded. Only ' + options.arrayLimit + ' element' + (options.arrayLimit === 1 ? '' : 's') + ' allowed in an array.');
+                }
+                commaIndex = val.indexOf(',', commaIndex + 1);
+            }
+        }
+        return val.split(',');
+    }
+
+    if (options.throwOnLimitExceeded && currentArrayLength >= options.arrayLimit) {
+        throw new RangeError('Array limit exceeded. Only ' + options.arrayLimit + ' element' + (options.arrayLimit === 1 ? '' : 's') + ' allowed in an array.');
+    }
+
+    return val;
+};
+
+// This is what browsers will submit when the ✓ character occurs in an
+// application/x-www-form-urlencoded body and the encoding of the page containing
+// the form is iso-8859-1, or when the submitted form has an accept-charset
+// attribute of iso-8859-1. Presumably also with other charsets that do not contain
+// the ✓ character, such as us-ascii.
+var isoSentinel = 'utf8=%26%2310003%3B'; // encodeURIComponent('&#10003;')
+
+// These are the percent-encoded utf-8 octets representing a checkmark, indicating that the request actually is utf-8 encoded.
+var charsetSentinel = 'utf8=%E2%9C%93'; // encodeURIComponent('✓')
+
+var parseValues = function parseQueryStringValues(str, options) {
+    var obj = { __proto__: null };
+
+    var cleanStr = options.ignoreQueryPrefix ? str.replace(/^\?/, '') : str;
+    cleanStr = cleanStr.replace(/%5B/gi, '[').replace(/%5D/gi, ']');
+
+    var limit = options.parameterLimit === Infinity ? void undefined : options.parameterLimit;
+    var parts = cleanStr.split(
+        options.delimiter,
+        options.throwOnLimitExceeded && typeof limit !== 'undefined' ? limit + 1 : limit
+    );
+
+    if (options.throwOnLimitExceeded && typeof limit !== 'undefined' && parts.length > limit) {
+        throw new RangeError('Parameter limit exceeded. Only ' + limit + ' parameter' + (limit === 1 ? '' : 's') + ' allowed.');
+    }
+
+    var skipIndex = -1; // Keep track of where the utf8 sentinel was found
+    var i;
+
+    var charset = options.charset;
+    if (options.charsetSentinel) {
+        for (i = 0; i < parts.length; ++i) {
+            if (parts[i].indexOf('utf8=') === 0) {
+                if (parts[i] === charsetSentinel) {
+                    charset = 'utf-8';
+                } else if (parts[i] === isoSentinel) {
+                    charset = 'iso-8859-1';
+                }
+                skipIndex = i;
+                i = parts.length; // The eslint settings do not allow break;
+            }
+        }
+    }
+
+    for (i = 0; i < parts.length; ++i) {
+        if (i === skipIndex) {
+            continue;
+        }
+        var part = parts[i];
+
+        var bracketEqualsPos = part.indexOf(']=');
+        var pos = bracketEqualsPos === -1 ? part.indexOf('=') : bracketEqualsPos + 1;
+
+        var key;
+        var val;
+        if (pos === -1) {
+            key = options.decoder(part, defaults.decoder, charset, 'key');
+            val = options.strictNullHandling ? null : '';
+        } else {
+            key = options.decoder(part.slice(0, pos), defaults.decoder, charset, 'key');
+
+            if (key !== null) {
+                val = utils.maybeMap(
+                    parseArrayValue(
+                        part.slice(pos + 1),
+                        options,
+                        isArray(obj[key]) ? obj[key].length : 0,
+                        part.indexOf('[]=') === -1
+                    ),
+                    function (encodedVal) {
+                        return options.decoder(encodedVal, defaults.decoder, charset, 'value');
+                    }
+                );
+            }
+        }
+
+        if (val && options.interpretNumericEntities && charset === 'iso-8859-1') {
+            val = interpretNumericEntities(String(val));
+        }
+
+        if (part.indexOf('[]=') > -1) {
+            val = isArray(val) ? [val] : val;
+        }
+
+        if (options.comma && isArray(val) && val.length > options.arrayLimit) {
+            val = utils.combine([], val, options.arrayLimit, options.plainObjects, options.throwOnLimitExceeded);
+        }
+
+        if (key !== null) {
+            var existing = has.call(obj, key);
+            if (existing && (options.duplicates === 'combine' || part.indexOf('[]=') > -1)) {
+                obj[key] = utils.combine(
+                    obj[key],
+                    val,
+                    options.arrayLimit,
+                    options.plainObjects,
+                    options.throwOnLimitExceeded
+                );
+            } else if (!existing || options.duplicates === 'last') {
+                obj[key] = val;
+            }
+        }
+    }
+
+    return obj;
+};
+
+var parseObject = function (chain, val, options, valuesParsed) {
+    var currentArrayLength = 0;
+    if (chain.length > 0 && chain[chain.length - 1] === '[]') {
+        var parentKey = chain.slice(0, -1).join('');
+        currentArrayLength = Array.isArray(val) && val[parentKey] ? val[parentKey].length : 0;
+    }
+
+    var leaf = valuesParsed ? val : parseArrayValue(val, options, currentArrayLength);
+
+    for (var i = chain.length - 1; i >= 0; --i) {
+        var obj;
+        var root = chain[i];
+
+        if (root === '[]' && options.parseArrays) {
+            if (utils.isOverflow(leaf)) {
+                // leaf is already an overflow object, preserve it
+                obj = leaf;
+            } else {
+                obj = options.allowEmptyArrays && (leaf === '' || (options.strictNullHandling && leaf === null))
+                    ? []
+                    : utils.combine(
+                        [],
+                        leaf,
+                        options.arrayLimit,
+                        options.plainObjects,
+                        options.throwOnLimitExceeded
+                    );
+            }
+        } else {
+            obj = options.plainObjects ? { __proto__: null } : {};
+            var cleanRoot = root.charAt(0) === '[' && root.charAt(root.length - 1) === ']' ? root.slice(1, -1) : root;
+            var decodedRoot = options.decodeDotInKeys ? cleanRoot.replace(/%2E/g, '.') : cleanRoot;
+            var index = parseInt(decodedRoot, 10);
+            var isValidArrayIndex = !isNaN(index)
+                && root !== decodedRoot
+                && String(index) === decodedRoot
+                && index >= 0
+                && options.parseArrays;
+            if (!options.parseArrays && decodedRoot === '') {
+                obj = { 0: leaf };
+            } else if (isValidArrayIndex && index < options.arrayLimit) {
+                obj = [];
+                obj[index] = leaf;
+            } else if (isValidArrayIndex && options.throwOnLimitExceeded) {
+                throw new RangeError('Array limit exceeded. Only ' + options.arrayLimit + ' element' + (options.arrayLimit === 1 ? '' : 's') + ' allowed in an array.');
+            } else if (isValidArrayIndex) {
+                obj[index] = leaf;
+                utils.markOverflow(obj, index);
+            } else if (decodedRoot !== '__proto__') {
+                obj[decodedRoot] = leaf;
+            }
+        }
+
+        leaf = obj;
+    }
+
+    return leaf;
+};
+
+// Split a key like "a[b][c[]]" into ['a', '[b]', '[c[]]'] while preserving
+// qs parse semantics for depth/prototype guards.
+var splitKeyIntoSegments = function splitKeyIntoSegments(originalKey, options) {
+    var key = options.allowDots ? originalKey.replace(/\.([^.[]+)/g, '[$1]') : originalKey;
+
+    // depth <= 0 keeps the whole key as one segment
+    if (options.depth <= 0) {
+        if (!options.plainObjects && has.call(Object.prototype, key)) {
+            if (!options.allowPrototypes) {
+                return;
+            }
+        }
+
+        return [key];
+    }
+
+    var segments = [];
+
+    // parent before the first '[' (may be empty if key starts with '[')
+    var first = key.indexOf('[');
+    var parent = first >= 0 ? key.slice(0, first) : key;
+    if (parent) {
+        if (!options.plainObjects && has.call(Object.prototype, parent)) {
+            if (!options.allowPrototypes) {
+                return;
+            }
+        }
+
+        segments[segments.length] = parent;
+    }
+
+    var n = key.length;
+    var open = first;
+    var collected = 0;
+
+    while (open >= 0 && collected < options.depth) {
+        var level = 1;
+        var i = open + 1;
+        var close = -1;
+
+        // balance nested '[' and ']' inside this bracket group using a nesting level counter
+        while (i < n && close < 0) {
+            var cu = key.charCodeAt(i);
+            if (cu === 0x5B) { // '['
+                level += 1;
+            } else if (cu === 0x5D) { // ']'
+                level -= 1;
+                if (level === 0) {
+                    close = i; // found matching close; loop will exit by condition
+                }
+            }
+            i += 1;
+        }
+
+        if (close < 0) {
+            // Unterminated group: wrap the raw remainder in one bracket pair so it stays
+            // a single literal segment (e.g. "[[]b" -> "[[]b]"); we do not infer missing ']'.
+            segments[segments.length] = '[' + key.slice(open) + ']';
+            return segments;
+        }
+
+        var seg = key.slice(open, close + 1);
+        // prototype guard for the content of this group
+        var content = seg.slice(1, -1);
+        if (!options.plainObjects && has.call(Object.prototype, content) && !options.allowPrototypes) {
+            return;
+        }
+
+        segments[segments.length] = seg;
+        collected += 1;
+
+        // find the next '[' after this balanced group
+        open = key.indexOf('[', close + 1);
+    }
+
+    if (open >= 0) {
+        if (options.strictDepth === true) {
+            throw new RangeError('Input depth exceeded depth option of ' + options.depth + ' and strictDepth is true');
+        }
+
+        segments[segments.length] = '[' + key.slice(open) + ']';
+    }
+
+    return segments;
+};
+
+var parseKeys = function parseQueryStringKeys(givenKey, val, options, valuesParsed) {
+    if (!givenKey) {
+        return;
+    }
+
+    var keys = splitKeyIntoSegments(givenKey, options);
+
+    if (!keys) {
+        return;
+    }
+
+    return parseObject(keys, val, options, valuesParsed);
+};
+
+var normalizeParseOptions = function normalizeParseOptions(opts) {
+    if (!opts) {
+        return defaults;
+    }
+
+    if (typeof opts.allowEmptyArrays !== 'undefined' && typeof opts.allowEmptyArrays !== 'boolean') {
+        throw new TypeError('`allowEmptyArrays` option can only be `true` or `false`, when provided');
+    }
+
+    if (typeof opts.decodeDotInKeys !== 'undefined' && typeof opts.decodeDotInKeys !== 'boolean') {
+        throw new TypeError('`decodeDotInKeys` option can only be `true` or `false`, when provided');
+    }
+
+    if (opts.decoder !== null && typeof opts.decoder !== 'undefined' && typeof opts.decoder !== 'function') {
+        throw new TypeError('Decoder has to be a function.');
+    }
+
+    if (typeof opts.charset !== 'undefined' && opts.charset !== 'utf-8' && opts.charset !== 'iso-8859-1') {
+        throw new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined');
+    }
+
+    if (typeof opts.throwOnLimitExceeded !== 'undefined' && typeof opts.throwOnLimitExceeded !== 'boolean') {
+        throw new TypeError('`throwOnLimitExceeded` option must be a boolean');
+    }
+
+    var charset = typeof opts.charset === 'undefined' ? defaults.charset : opts.charset;
+
+    var duplicates = typeof opts.duplicates === 'undefined' ? defaults.duplicates : opts.duplicates;
+
+    if (duplicates !== 'combine' && duplicates !== 'first' && duplicates !== 'last') {
+        throw new TypeError('The duplicates option must be either combine, first, or last');
+    }
+
+    var allowDots = typeof opts.allowDots === 'undefined' ? opts.decodeDotInKeys === true ? true : defaults.allowDots : !!opts.allowDots;
+
+    return {
+        allowDots: allowDots,
+        allowEmptyArrays: typeof opts.allowEmptyArrays === 'boolean' ? !!opts.allowEmptyArrays : defaults.allowEmptyArrays,
+        allowPrototypes: typeof opts.allowPrototypes === 'boolean' ? opts.allowPrototypes : defaults.allowPrototypes,
+        allowSparse: typeof opts.allowSparse === 'boolean' ? opts.allowSparse : defaults.allowSparse,
+        arrayLimit: typeof opts.arrayLimit === 'number' ? opts.arrayLimit : defaults.arrayLimit,
+        charset: charset,
+        charsetSentinel: typeof opts.charsetSentinel === 'boolean' ? opts.charsetSentinel : defaults.charsetSentinel,
+        comma: typeof opts.comma === 'boolean' ? opts.comma : defaults.comma,
+        decodeDotInKeys: typeof opts.decodeDotInKeys === 'boolean' ? opts.decodeDotInKeys : defaults.decodeDotInKeys,
+        decoder: typeof opts.decoder === 'function' ? opts.decoder : defaults.decoder,
+        delimiter: typeof opts.delimiter === 'string' || utils.isRegExp(opts.delimiter) ? opts.delimiter : defaults.delimiter,
+        // eslint-disable-next-line no-implicit-coercion, no-extra-parens
+        depth: (typeof opts.depth === 'number' || opts.depth === false) ? +opts.depth : defaults.depth,
+        duplicates: duplicates,
+        ignoreQueryPrefix: opts.ignoreQueryPrefix === true,
+        interpretNumericEntities: typeof opts.interpretNumericEntities === 'boolean' ? opts.interpretNumericEntities : defaults.interpretNumericEntities,
+        parameterLimit: typeof opts.parameterLimit === 'number' ? opts.parameterLimit : defaults.parameterLimit,
+        parseArrays: opts.parseArrays !== false,
+        plainObjects: typeof opts.plainObjects === 'boolean' ? opts.plainObjects : defaults.plainObjects,
+        strictDepth: typeof opts.strictDepth === 'boolean' ? !!opts.strictDepth : defaults.strictDepth,
+        strictMerge: typeof opts.strictMerge === 'boolean' ? !!opts.strictMerge : defaults.strictMerge,
+        strictNullHandling: typeof opts.strictNullHandling === 'boolean' ? opts.strictNullHandling : defaults.strictNullHandling,
+        throwOnLimitExceeded: typeof opts.throwOnLimitExceeded === 'boolean' ? opts.throwOnLimitExceeded : false
+    };
+};
+
+module.exports = function (str, opts) {
+    var options = normalizeParseOptions(opts);
+
+    if (str === '' || str === null || typeof str === 'undefined') {
+        return options.plainObjects ? { __proto__: null } : {};
+    }
+
+    var tempObj = typeof str === 'string' ? parseValues(str, options) : str;
+    var obj = options.plainObjects ? { __proto__: null } : {};
+
+    // Iterate over the keys and setup the new object
+
+    var keys = Object.keys(tempObj);
+    for (var i = 0; i < keys.length; ++i) {
+        var key = keys[i];
+        var newObj = parseKeys(key, tempObj[key], options, typeof str === 'string');
+        obj = utils.merge(obj, newObj, options);
+    }
+
+    if (options.allowSparse === true) {
+        return obj;
+    }
+
+    return utils.compact(obj);
+};