Version 1

[yaffs-website] / node_modules / uncss / node_modules / qs / lib / parse.js

diff --git a/node_modules/uncss/node_modules/qs/lib/parse.js b/node_modules/uncss/node_modules/qs/lib/parse.js
new file mode 100644 (file)
index 0000000..f95d9f9
--- /dev/null
+++ b/node_modules/uncss/node_modules/qs/lib/parse.js
@@ -0,0 +1,167 @@
+'use strict';
+
+var Utils = require('./utils');
+
+var internals = {
+    delimiter: '&',
+    depth: 5,
+    arrayLimit: 20,
+    parameterLimit: 1000,
+    strictNullHandling: false,
+    plainObjects: false,
+    allowPrototypes: false,
+    allowDots: false
+};
+
+var has = Object.prototype.hasOwnProperty;
+
+internals.parseValues = function (str, options) {
+    var obj = {};
+    var parts = str.split(options.delimiter, options.parameterLimit === Infinity ? undefined : options.parameterLimit);
+
+    for (var i = 0; i < parts.length; ++i) {
+        var part = parts[i];
+        var pos = part.indexOf(']=') === -1 ? part.indexOf('=') : part.indexOf(']=') + 1;
+
+        if (pos === -1) {
+            obj[Utils.decode(part)] = '';
+
+            if (options.strictNullHandling) {
+                obj[Utils.decode(part)] = null;
+            }
+        } else {
+            var key = Utils.decode(part.slice(0, pos));
+            var val = Utils.decode(part.slice(pos + 1));
+
+            if (has.call(obj, key)) {
+                obj[key] = [].concat(obj[key]).concat(val);
+            } else {
+                obj[key] = val;
+            }
+        }
+    }
+
+    return obj;
+};
+
+internals.parseObject = function (chain, val, options) {
+    if (!chain.length) {
+        return val;
+    }
+
+    var root = chain.shift();
+
+    var obj;
+    if (root === '[]') {
+        obj = [];
+        obj = obj.concat(internals.parseObject(chain, val, options));
+    } 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] = internals.parseObject(chain, val, options);
+        } else {
+            obj[cleanRoot] = internals.parseObject(chain, val, options);
+        }
+    }
+
+    return obj;
+};
+
+internals.parseKeys = function (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 internals.parseObject(keys, val, options);
+};
+
+module.exports = function (str, opts) {
+    var options = opts || {};
+    options.delimiter = typeof options.delimiter === 'string' || Utils.isRegExp(options.delimiter) ? options.delimiter : internals.delimiter;
+    options.depth = typeof options.depth === 'number' ? options.depth : internals.depth;
+    options.arrayLimit = typeof options.arrayLimit === 'number' ? options.arrayLimit : internals.arrayLimit;
+    options.parseArrays = options.parseArrays !== false;
+    options.allowDots = typeof options.allowDots === 'boolean' ? options.allowDots : internals.allowDots;
+    options.plainObjects = typeof options.plainObjects === 'boolean' ? options.plainObjects : internals.plainObjects;
+    options.allowPrototypes = typeof options.allowPrototypes === 'boolean' ? options.allowPrototypes : internals.allowPrototypes;
+    options.parameterLimit = typeof options.parameterLimit === 'number' ? options.parameterLimit : internals.parameterLimit;
+    options.strictNullHandling = typeof options.strictNullHandling === 'boolean' ? options.strictNullHandling : internals.strictNullHandling;
+
+    if (
+        str === '' ||
+        str === null ||
+        typeof str === 'undefined'
+    ) {
+        return options.plainObjects ? Object.create(null) : {};
+    }
+
+    var tempObj = typeof str === 'string' ? internals.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 = internals.parseKeys(key, tempObj[key], options);
+        obj = Utils.merge(obj, newObj, options);
+    }
+
+    return Utils.compact(obj);
+};