Merge remote-tracking branch 'origin/main'

Author: TartanLlama

.github/workflows/main.yml

@@ -11,7 +11,7 @@ defaults:
     shell: bash
 env:
   # Note: when updated, also update version in ensure-cargo-installs
-  viceroy_version: 0.12.2
+  viceroy_version: 0.15.0
   # Note: when updated, also update version in ensure-cargo-installs ! AND ! release-please.yml
   wasm-tools_version: 1.216.0
   fastly-cli_version: 10.19.0
@@ -46,7 +46,7 @@ jobs:
       matrix:
         include:
           - crate: viceroy
-            version: 0.12.2 # Note: workflow-level env vars can't be used in matrix definitions
+            version: 0.15.0 # Note: workflow-level env vars can't be used in matrix definitions
             options: ""
           - crate: wasm-tools
             version: 1.216.0 # Note: workflow-level env vars can't be used in matrix definitions

CHANGELOG.md

@@ -1,5 +1,17 @@
 # Changelog
 
+## 3.36.0 (2025-11-18)
+
+### Added
+
+* Image Optimizer support ([#1224](https://github.com/fastly/js-compute-runtime/issues/1224)) ([c3dd3de](https://github.com/fastly/js-compute-runtime/commit/c3dd3de7436f999055eb0b3d83a1f59c1c26b5d1))
+* Implement 103 Early Hints ([#1217](https://github.com/fastly/js-compute-runtime/issues/1217)) ([fda6ad3](https://github.com/fastly/js-compute-runtime/commit/fda6ad31d6f8ceee16cd950217be770a4f794bb3))
+
+### Fixed
+
+* **fanout:** commit request headers before fanout handoff ([#1222](https://github.com/fastly/js-compute-runtime/issues/1222)) ([8dfefad](https://github.com/fastly/js-compute-runtime/commit/8dfefadec46a2714be010c4a8c7e59cd43537fec))
+* Fix broken KVStore test ([#1223](https://github.com/fastly/js-compute-runtime/issues/1223)) ([6055d88](https://github.com/fastly/js-compute-runtime/commit/6055d884f617336d8d6326bf26dcfb49265f5ae2))
+
 ## 3.35.2 (2025-11-07)
 
 ### Fixed

documentation/app/package-lock.json

@@ -76,6 +76,7 @@ fetch(resource, options)
       - *Fastly-specific*
     - `cacheOverride` _**Fastly-specific**_
     - `cacheKey` _**Fastly-specific**_
+    - `imageOptimizerOptions` _**Fastly-specific**_, see [`imageOptimizerOptions`](../../fastly:image-optimizer/imageOptimizerOptions.mdx).
     - `fastly` _**Fastly-specific**_
       - `decompressGzip`_: boolean_ _**optional**_
         - Whether to automatically gzip decompress the Response or not.

documentation/docs/globals/fetch.mdx

@@ -0,0 +1,33 @@
+---
+hide_title: false
+hide_table_of_contents: false
+pagination_next: null
+pagination_prev: null
+---
+
+# `Auto`
+
+Enumerator options for [`imageOptimizerOptions.auto`](./imageOptimizerOptions.mdx).
+
+## Constants
+
+- `AVIF` (`"avif"`) If the browser's Accept header indicates compatibility, deliver an AVIF image.
+- `WEBP` (`"webp"`)	If the browser's Accept header indicates compatibility, deliver a WebP image.
+
+## Examples
+
+```js
+import { Auto, Region } from 'fastly:image-optimizer';
+
+addEventListener("fetch", (event) => event.respondWith(handleRequest(event)));
+
+async function handleRequest(event) {
+  return await fetch('https://www.w3.org/Graphics/PNG/text2.png', {
+    imageOptimizerOptions: {
+      region: Region.UsEast,
+      auto: Auto.AVIF
+    },
+    backend: 'w3'
+  });
+}
+```

documentation/docs/image-optimizer/Auto.mdx

@@ -0,0 +1,34 @@
+---
+hide_title: false
+hide_table_of_contents: false
+pagination_next: null
+pagination_prev: null
+---
+
+# `BWAlgorithm`
+
+Enumerator options for [`imageOptimizerOptions.bw`](./imageOptimizerOptions.mdx).
+
+## Constants
+
+- `Threshold` (`"threshold"`) Uses a luminance threshold to convert the image to black and white.
+- `Atkinson` (`"atkinson"`)	Uses [Atkinson dithering](https://en.wikipedia.org/wiki/Atkinson_dithering) to convert the image to black and white.
+
+
+## Examples
+
+```js
+import { Region, BWAlgorithm } from 'fastly:image-optimizer';
+
+addEventListener("fetch", (event) => event.respondWith(handleRequest(event)));
+
+async function handleRequest(event) {
+  return await fetch('https://www.w3.org/Graphics/PNG/text2.png', {
+    imageOptimizerOptions: {
+      region: Region.UsEast,
+      bw: BWAlgorithm.Threshold
+    },
+    backend: 'w3'
+  });
+}
+```

documentation/docs/image-optimizer/BWAlgorithm.mdx

@@ -0,0 +1,36 @@
+---
+hide_title: false
+hide_table_of_contents: false
+pagination_next: null
+pagination_prev: null
+---
+
+# `CropMode`
+
+Enumerator options for [`imageOptimizerOptions.crop.mode`](./imageOptimizerOptions.mdx) and `imageOptimizerOptions.precrop.mode`.
+
+## Constants
+
+- `Smart` (`"smart"`) Enables content-aware algorithms to attempt to crop the image to the desired aspect ratio while intelligently focusing on the most important visual content, including the detection of faces.
+- `Safe` (`"safe"`)	Allow cropping out-of-bounds regions.
+
+## Examples
+
+```js
+import { CropMode, Region } from 'fastly:image-optimizer';
+
+addEventListener("fetch", (event) => event.respondWith(handleRequest(event)));
+
+async function handleRequest(event) {
+  return await fetch('https://www.w3.org/Graphics/PNG/text2.png', {
+    imageOptimizerOptions: {
+      region: Region.UsEast,
+      crop: {
+        size: { ratio: { width: 4, height: 3 } },
+        mode: CropMode.Smart,
+      }
+    },
+    backend: 'w3'
+  });
+}
+```

documentation/docs/image-optimizer/CropMode.mdx

@@ -0,0 +1,33 @@
+---
+hide_title: false
+hide_table_of_contents: false
+pagination_next: null
+pagination_prev: null
+---
+
+# `Disable`
+
+Enumerator options for [`imageOptimizerOptions.disable`](./imageOptimizerOptions.mdx).
+
+## Constants
+
+- `Upscale` (`"upscale"`) Prevent images being resized such that the output image's dimensions are larger than the source image.
+
+## Examples
+
+```js
+import { Disable, Region } from 'fastly:image-optimizer';
+
+addEventListener("fetch", (event) => event.respondWith(handleRequest(event)));
+
+async function handleRequest(event) {
+  return await fetch('https://www.w3.org/Graphics/PNG/text2.png', {
+    imageOptimizerOptions: {
+      region: Region.UsEast,
+      width: 2560,
+      disable: Disable.Upscale
+    },
+    backend: 'w3'
+  });
+}
+```

documentation/docs/image-optimizer/Disable.mdx

@@ -0,0 +1,33 @@
+---
+hide_title: false
+hide_table_of_contents: false
+pagination_next: null
+pagination_prev: null
+---
+
+# `Enable`
+
+Enumerator options for [`imageOptimizerOptions.enable`](./imageOptimizerOptions.mdx).
+
+## Constants
+
+- `Upscale` (`"upscale"`) Allow images to be resized such that the output image's dimensions are larger than the source image.
+
+## Examples
+
+```js
+import { Enable, Region } from 'fastly:image-optimizer';
+
+addEventListener("fetch", (event) => event.respondWith(handleRequest(event)));
+
+async function handleRequest(event) {
+  return await fetch('https://www.w3.org/Graphics/PNG/text2.png', {
+    imageOptimizerOptions: {
+      region: Region.UsEast,
+      width: 2560,
+      enable: Enable.Upscale
+    },
+    backend: 'w3'
+  });
+}
+```

documentation/docs/image-optimizer/Enable.mdx

@@ -0,0 +1,36 @@
+---
+hide_title: false
+hide_table_of_contents: false
+pagination_next: null
+pagination_prev: null
+---
+
+# `Fit`
+
+Enumerator options for [`imageOptimizerOptions.fit`](./imageOptimizerOptions.mdx).
+
+## Constants
+
+- `Bounds` (`"bounds"`) Resize the image to fit entirely within the specified region, making one dimension smaller if needed.
+- `Cover` (`"cover"`) Resize the image to entirely cover the specified region, making one dimension larger if needed.
+- `Crop` (`"crop"`) Resize and crop the image centrally to exactly fit the specified region.
+
+## Examples
+
+```js
+import { Fit, Region } from 'fastly:image-optimizer';
+
+addEventListener("fetch", (event) => event.respondWith(handleRequest(event)));
+
+async function handleRequest(event) {
+  return await fetch('https://www.w3.org/Graphics/PNG/text2.png', {
+    imageOptimizerOptions: {
+      region: Region.UsEast,
+      width: 150,
+      height; 150,
+      fit: Fit.Bounds
+    },
+    backend: 'w3'
+  });
+}
+```