From 68ba53d6697ea36a59176ef838c96d1cf903e6b9 Mon Sep 17 00:00:00 2001
From: Mark Stuart <742884+mstuart@users.noreply.github.com>
Date: Sat, 29 Aug 2026 13:06:34 +0000
Subject: [PATCH] fix: preserve explicitly scoped undefined values
---
index.js | 8 ++++----
readme.md | 2 +-
test.js | 8 ++++++++
3 files changed, 13 insertions(+), 5 deletions(-)
diff --git a/index.js b/index.js
index b697b75..4bef358 100644
--- a/index.js
+++ b/index.js
@@ -16,8 +16,8 @@ export default function createContext(defaultValue) {
@returns {unknown} The current context value.
*/
get() {
- const value = storage.getStore();
- return value === undefined ? defaultValue : value;
+ const store = storage.getStore();
+ return store === undefined ? defaultValue : store.value;
},
/**
Run a function with the given value in the async context.
@@ -27,7 +27,7 @@ export default function createContext(defaultValue) {
@returns {unknown} The result of function_.
*/
run(value, function_) {
- return storage.run(value, function_);
+ return storage.run({ value }, function_);
},
/**
@@ -37,7 +37,7 @@ export default function createContext(defaultValue) {
@returns {(...arguments_: unknown[]) => unknown} A function that takes a function and runs it in the context.
*/
runWith(value) {
- return (function_) => storage.run(value, function_);
+ return (function_) => storage.run({ value }, function_);
},
};
}
diff --git a/readme.md b/readme.md
index b5689e6..f0d6c52 100644
--- a/readme.md
+++ b/readme.md
@@ -10,7 +10,7 @@
- 
+ 
---
diff --git a/test.js b/test.js
index 330e719..5f23dbe 100644
--- a/test.js
+++ b/test.js
@@ -151,3 +151,11 @@ test("false as context value", (t) => {
t.false(context.get());
});
});
+
+test("explicit undefined overrides the default value", (t) => {
+ const context = createContext("default");
+ context.run(undefined, () => {
+ t.is(context.get(), undefined);
+ });
+ t.is(context.get(), "default");
+});