From 67fdec20726e48ba3a934cb25bb30d47ec4a4f29 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Yaroslav=20De=20La=20Pe=C3=B1a=20Smirnov?= Date: Wed, 29 Nov 2017 11:44:34 +0300 Subject: Initial commit, version 0.5.3 --- node_modules/qs/lib/parse.js | 174 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 174 insertions(+) create mode 100644 node_modules/qs/lib/parse.js (limited to 'node_modules/qs/lib/parse.js') diff --git a/node_modules/qs/lib/parse.js b/node_modules/qs/lib/parse.js new file mode 100644 index 0000000..8c9872e --- /dev/null +++ b/node_modules/qs/lib/parse.js @@ -0,0 +1,174 @@ +'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); +}; -- cgit v1.2.3