From 4cd003291fe3b347884f797e548b58a12150a0e3 Mon Sep 17 00:00:00 2001
From: Jordan Harband <ljharb@gmail.com>
Date: Sun, 9 Jan 2022 09:25:38 -0800
Subject: [PATCH] v6.9.7

---
 CHANGELOG.md | 12 ++++++++++++
 dist/qs.js   | 22 ++++++++++++++++------
 package.json |  2 +-
 3 files changed, 29 insertions(+), 7 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index d43209c3..12834657 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,15 @@
+## **6.9.7**
+- [Fix] `parse`: ignore `__proto__` keys (#428)
+- [Fix] `stringify`: avoid encoding arrayformat comma when `encodeValuesOnly = true` (#424)
+- [Robustness] `stringify`: avoid relying on a global `undefined` (#427)
+- [readme] remove travis badge; add github actions/codecov badges; update URLs
+- [Docs] add note and links for coercing primitive values (#408)
+- [Tests] clean up stringify tests slightly
+- [meta] fix README.md (#399)
+- Revert "[meta] ignore eclint transitive audit warning"
+- [actions] backport actions from main
+- [Dev Deps] backport updates from main
+
 ## **6.9.6**
 - [Fix] restore `dist` dir; mistakenly removed in d4f6c32
 
diff --git a/dist/qs.js b/dist/qs.js
index 861a6f13..ca3d394f 100644
--- a/dist/qs.js
+++ b/dist/qs.js
@@ -174,7 +174,7 @@ var parseObject = function (chain, val, options, valuesParsed) {
             ) {
                 obj = [];
                 obj[index] = leaf;
-            } else {
+            } else if (cleanRoot !== '__proto__') {
                 obj[cleanRoot] = leaf;
             }
         }
@@ -316,6 +316,7 @@ var arrayPrefixGenerators = {
 };
 
 var isArray = Array.isArray;
+var split = String.prototype.split;
 var push = Array.prototype.push;
 var pushToArray = function (arr, valueOrArray) {
     push.apply(arr, isArray(valueOrArray) ? valueOrArray : [valueOrArray]);
@@ -393,6 +394,14 @@ var stringify = function stringify(
     if (isNonNullishPrimitive(obj) || utils.isBuffer(obj)) {
         if (encoder) {
             var keyValue = encodeValuesOnly ? prefix : encoder(prefix, defaults.encoder, charset, 'key', format);
+            if (generateArrayPrefix === 'comma' && encodeValuesOnly) {
+                var valuesArray = split.call(String(obj), ',');
+                var valuesJoined = '';
+                for (var i = 0; i < valuesArray.length; ++i) {
+                    valuesJoined += (i === 0 ? '' : ',') + formatter(encoder(valuesArray[i], defaults.encoder, charset, 'value', format));
+                }
+                return [formatter(keyValue) + '=' + valuesJoined];
+            }
             return [formatter(keyValue) + '=' + formatter(encoder(obj, defaults.encoder, charset, 'value', format))];
         }
         return [formatter(prefix) + '=' + formatter(String(obj))];
@@ -407,7 +416,7 @@ var stringify = function stringify(
     var objKeys;
     if (generateArrayPrefix === 'comma' && isArray(obj)) {
         // we need to join elements in
-        objKeys = [{ value: obj.length > 0 ? obj.join(',') || null : undefined }];
+        objKeys = [{ value: obj.length > 0 ? obj.join(',') || null : void undefined }];
     } else if (isArray(filter)) {
         objKeys = filter;
     } else {
@@ -415,9 +424,9 @@ var stringify = function stringify(
         objKeys = sort ? keys.sort(sort) : keys;
     }
 
-    for (var i = 0; i < objKeys.length; ++i) {
-        var key = objKeys[i];
-        var value = typeof key === 'object' && key.value !== undefined ? key.value : obj[key];
+    for (var j = 0; j < objKeys.length; ++j) {
+        var key = objKeys[j];
+        var value = typeof key === 'object' && typeof key.value !== 'undefined' ? key.value : obj[key];
 
         if (skipNulls && value === null) {
             continue;
@@ -453,7 +462,7 @@ var normalizeStringifyOptions = function normalizeStringifyOptions(opts) {
         return defaults;
     }
 
-    if (opts.encoder !== null && opts.encoder !== undefined && typeof opts.encoder !== 'function') {
+    if (opts.encoder !== null && typeof opts.encoder !== 'undefined' && typeof opts.encoder !== 'function') {
         throw new TypeError('Encoder has to be a function.');
     }
 
@@ -755,6 +764,7 @@ var encode = function encode(str, defaultEncoder, charset, kind, format) {
 
         i += 1;
         c = 0x10000 + (((c & 0x3FF) << 10) | (string.charCodeAt(i) & 0x3FF));
+        /* eslint operator-linebreak: [2, "before"] */
         out += hexTable[0xF0 | (c >> 18)]
             + hexTable[0x80 | ((c >> 12) & 0x3F)]
             + hexTable[0x80 | ((c >> 6) & 0x3F)]
diff --git a/package.json b/package.json
index 4bf240cd..3ec7c111 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
     "name": "qs",
     "description": "A querystring parser that supports nesting and arrays, with a depth limit",
     "homepage": "https://github.com/ljharb/qs",
-    "version": "6.9.6",
+    "version": "6.9.7",
     "repository": {
         "type": "git",
         "url": "https://github.com/ljharb/qs.git"