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greggman · Dec 31, 2023 · 6dc49c4 · 6dc49c4
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Showing 12 changed files with 40 additions and 17 deletions.
diff --git a/dist/1.x/buffer-views.d.ts b/dist/1.x/buffer-views.d.ts
@@ -248,6 +248,7 @@ export declare function setStructuredValues(varDef: VariableDefinition, data: an
  * ```
   * @param varDef A variable definition provided by @link {makeShaderDataDefinitions}
  * @returns the size, align, and unalignedSize in bytes of the unsized array element in this type definition.
+ *   If there is no unsized array, size = 0.
  */
 export declare function getSizeAndAlignmentOfUnsizedArrayElement(varDef: VariableDefinition | StructDefinition): {
     size: number;

diff --git a/dist/1.x/webgpu-utils.js b/dist/1.x/webgpu-utils.js
diff --git a/dist/1.x/webgpu-utils.js.map b/dist/1.x/webgpu-utils.js.map
diff --git a/dist/1.x/webgpu-utils.min.js b/dist/1.x/webgpu-utils.min.js
diff --git a/dist/1.x/webgpu-utils.min.js.map b/dist/1.x/webgpu-utils.min.js.map
diff --git a/dist/1.x/webgpu-utils.module.js b/dist/1.x/webgpu-utils.module.js
diff --git a/dist/1.x/webgpu-utils.module.js.map b/dist/1.x/webgpu-utils.module.js.map
diff --git a/docs/functions/getSizeAndAlignmentOfUnsizedArrayElement.html b/docs/functions/getSizeAndAlignmentOfUnsizedArrayElement.html
@@ -39,7 +39,8 @@ <h5><span class="tsd-kind-parameter">varDef</span>: <a href="../types/StructDefi
 <div class="tsd-comment tsd-typography"><p>A variable definition provided by</p>
 </div>
 <div class="tsd-comment tsd-typography"></div></li></ul></div>
-<h4 class="tsd-returns-title">Returns <span class="tsd-signature-symbol">{ </span><br/><span>    </span><span class="tsd-kind-property">align</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">; </span><br/><span>    </span><span class="tsd-kind-property">size</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">; </span><br/><span class="tsd-signature-symbol">}</span></h4><p>the size, align, and unalignedSize in bytes of the unsized array element in this type definition.</p>
+<h4 class="tsd-returns-title">Returns <span class="tsd-signature-symbol">{ </span><br/><span>    </span><span class="tsd-kind-property">align</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">; </span><br/><span>    </span><span class="tsd-kind-property">size</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">; </span><br/><span class="tsd-signature-symbol">}</span></h4><p>the size, align, and unalignedSize in bytes of the unsized array element in this type definition.
+  If there is no unsized array, size = 0.</p>
 
 <ul class="tsd-parameters">
 <li class="tsd-parameter">

diff --git a/index.html b/index.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <!-- this file is auto-generated from README.md. Do not edited directly -->
 <!--
-@license webgpu-utils 1.2.0 Copyright (c) 2023, Gregg Tavares All Rights Reserved.
+@license webgpu-utils 1.2.1 Copyright (c) 2023, Gregg Tavares All Rights Reserved.
 Available via the MIT license.
 see: http://github.com/greggman/webgpu-utils for details
 -->

diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "webgpu-utils",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "webgpu utilities",
   "main": "dist/1.x/webgpu-utils.module.js",
   "module": "dist/1.x/webgpu-utils.module.js",

diff --git a/src/buffer-views.ts b/src/buffer-views.ts
@@ -577,10 +577,16 @@ function getSizeAndAlignmentOfUnsizedArrayElementOfTypeDef(typeDef: TypeDefiniti
     const fields = asStructDef.fields;
     if (fields) {
         const lastField = Object.values(fields).pop()!;
-        return getSizeAndAlignmentOfUnsizedArrayElementOfTypeDef(lastField.type);
+        if (lastField.type.size === 0) {
+            return getSizeAndAlignmentOfUnsizedArrayElementOfTypeDef(lastField.type);
+        }
     }
 
-    throw new Error('no unsigned array element');
+    return {
+        size: 0,
+        unalignedSize: 0,
+        align: 1,
+    };
 }
 
 /**
@@ -625,6 +631,7 @@ function getSizeAndAlignmentOfUnsizedArrayElementOfTypeDef(typeDef: TypeDefiniti
  * ```
   * @param varDef A variable definition provided by @link {makeShaderDataDefinitions}
  * @returns the size, align, and unalignedSize in bytes of the unsized array element in this type definition.
+ *   If there is no unsized array, size = 0.
  */
 export function getSizeAndAlignmentOfUnsizedArrayElement(varDef: VariableDefinition | StructDefinition): {size: number, align: number} {
     const asVarDef = varDef as VariableDefinition;