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-rw-r--r--node_modules/qs/lib/parse.js174
1 files changed, 174 insertions, 0 deletions
diff --git a/node_modules/qs/lib/parse.js b/node_modules/qs/lib/parse.js
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+++ b/node_modules/qs/lib/parse.js
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+'use strict';
+
+var utils = require('./utils');
+
+var has = Object.prototype.hasOwnProperty;
+
+var defaults = {
+ allowDots: false,
+ allowPrototypes: false,
+ arrayLimit: 20,
+ decoder: utils.decode,
+ delimiter: '&',
+ depth: 5,
+ parameterLimit: 1000,
+ plainObjects: false,
+ strictNullHandling: false
+};
+
+var parseValues = function parseQueryStringValues(str, options) {
+ var obj = {};
+ var cleanStr = options.ignoreQueryPrefix ? str.replace(/^\?/, '') : str;
+ var limit = options.parameterLimit === Infinity ? undefined : options.parameterLimit;
+ var parts = cleanStr.split(options.delimiter, limit);
+
+ for (var i = 0; i < parts.length; ++i) {
+ var part = parts[i];
+
+ var bracketEqualsPos = part.indexOf(']=');
+ var pos = bracketEqualsPos === -1 ? part.indexOf('=') : bracketEqualsPos + 1;
+
+ var key, val;
+ if (pos === -1) {
+ key = options.decoder(part, defaults.decoder);
+ val = options.strictNullHandling ? null : '';
+ } else {
+ key = options.decoder(part.slice(0, pos), defaults.decoder);
+ val = options.decoder(part.slice(pos + 1), defaults.decoder);
+ }
+ if (has.call(obj, key)) {
+ obj[key] = [].concat(obj[key]).concat(val);
+ } else {
+ obj[key] = val;
+ }
+ }
+
+ return obj;
+};
+
+var parseObject = function (chain, val, options) {
+ var leaf = val;
+
+ for (var i = chain.length - 1; i >= 0; --i) {
+ var obj;
+ var root = chain[i];
+
+ if (root === '[]') {
+ obj = [];
+ obj = obj.concat(leaf);
+ } else {
+ obj = options.plainObjects ? Object.create(null) : {};
+ var cleanRoot = root.charAt(0) === '[' && root.charAt(root.length - 1) === ']' ? root.slice(1, -1) : root;
+ var index = parseInt(cleanRoot, 10);
+ if (
+ !isNaN(index)
+ && root !== cleanRoot
+ && String(index) === cleanRoot
+ && index >= 0
+ && (options.parseArrays && index <= options.arrayLimit)
+ ) {
+ obj = [];
+ obj[index] = leaf;
+ } else {
+ obj[cleanRoot] = leaf;
+ }
+ }
+
+ leaf = obj;
+ }
+
+ return leaf;
+};
+
+var parseKeys = function parseQueryStringKeys(givenKey, val, options) {
+ if (!givenKey) {
+ return;
+ }
+
+ // Transform dot notation to bracket notation
+ var key = options.allowDots ? givenKey.replace(/\.([^.[]+)/g, '[$1]') : givenKey;
+
+ // The regex chunks
+
+ var brackets = /(\[[^[\]]*])/;
+ var child = /(\[[^[\]]*])/g;
+
+ // Get the parent
+
+ var segment = brackets.exec(key);
+ var parent = segment ? key.slice(0, segment.index) : key;
+
+ // Stash the parent if it exists
+
+ var keys = [];
+ if (parent) {
+ // If we aren't using plain objects, optionally prefix keys
+ // that would overwrite object prototype properties
+ if (!options.plainObjects && has.call(Object.prototype, parent)) {
+ if (!options.allowPrototypes) {
+ return;
+ }
+ }
+
+ keys.push(parent);
+ }
+
+ // Loop through children appending to the array until we hit depth
+
+ var i = 0;
+ while ((segment = child.exec(key)) !== null && i < options.depth) {
+ i += 1;
+ if (!options.plainObjects && has.call(Object.prototype, segment[1].slice(1, -1))) {
+ if (!options.allowPrototypes) {
+ return;
+ }
+ }
+ keys.push(segment[1]);
+ }
+
+ // If there's a remainder, just add whatever is left
+
+ if (segment) {
+ keys.push('[' + key.slice(segment.index) + ']');
+ }
+
+ return parseObject(keys, val, options);
+};
+
+module.exports = function (str, opts) {
+ var options = opts ? utils.assign({}, opts) : {};
+
+ if (options.decoder !== null && options.decoder !== undefined && typeof options.decoder !== 'function') {
+ throw new TypeError('Decoder has to be a function.');
+ }
+
+ options.ignoreQueryPrefix = options.ignoreQueryPrefix === true;
+ options.delimiter = typeof options.delimiter === 'string' || utils.isRegExp(options.delimiter) ? options.delimiter : defaults.delimiter;
+ options.depth = typeof options.depth === 'number' ? options.depth : defaults.depth;
+ options.arrayLimit = typeof options.arrayLimit === 'number' ? options.arrayLimit : defaults.arrayLimit;
+ options.parseArrays = options.parseArrays !== false;
+ options.decoder = typeof options.decoder === 'function' ? options.decoder : defaults.decoder;
+ options.allowDots = typeof options.allowDots === 'boolean' ? options.allowDots : defaults.allowDots;
+ options.plainObjects = typeof options.plainObjects === 'boolean' ? options.plainObjects : defaults.plainObjects;
+ options.allowPrototypes = typeof options.allowPrototypes === 'boolean' ? options.allowPrototypes : defaults.allowPrototypes;
+ options.parameterLimit = typeof options.parameterLimit === 'number' ? options.parameterLimit : defaults.parameterLimit;
+ options.strictNullHandling = typeof options.strictNullHandling === 'boolean' ? options.strictNullHandling : defaults.strictNullHandling;
+
+ if (str === '' || str === null || typeof str === 'undefined') {
+ return options.plainObjects ? Object.create(null) : {};
+ }
+
+ var tempObj = typeof str === 'string' ? parseValues(str, options) : str;
+ var obj = options.plainObjects ? Object.create(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);
+ obj = utils.merge(obj, newObj, options);
+ }
+
+ return utils.compact(obj);
+};