useStaleWhileRevalidate must be false if the header is absent

kornelski · kornelski · commit 3d6a5bbfce58 · 2025-02-02T15:22:46.000Z
diff --git a/index.js b/index.js
@@ -472,7 +472,8 @@ module.exports = class CachePolicy {
     }
 
     useStaleWhileRevalidate() {
-        return this.maxAge() + toNumberOrZero(this._rescc['stale-while-revalidate']) > this.age();
+        const swr = toNumberOrZero(this._rescc['stale-while-revalidate']);
+        return swr > 0 && this.maxAge() + swr > this.age();
     }
 
     static fromObject(obj) {

Original file line number	Diff line number	Diff line change
`@@ -472,7 +472,8 @@ module.exports = class CachePolicy {`
`472`	`472`	`}`
`473`	`473`
`474`	`474`	`useStaleWhileRevalidate() {`
`475`		`- return this.maxAge() + toNumberOrZero(this._rescc['stale-while-revalidate']) > this.age();`
	`475`	`+ const swr = toNumberOrZero(this._rescc['stale-while-revalidate']);`
	`476`	`+ return swr > 0 && this.maxAge() + swr > this.age();`
`476`	`477`	`}`
`477`	`478`
`478`	`479`	`static fromObject(obj) {`