From c009dad9820fe3d565f2f8fc7025d24af82d29a4 Mon Sep 17 00:00:00 2001
From: Luca Casonato <lucacasonato@yahoo.com>
Date: Mon, 8 Mar 2021 14:22:05 +0100
Subject: fix(webgpu): add webidl records and simple unions (#9698)

The only functional user facing difference is that this commit allows the
use SPIRV shaders, not just WGSL. This matches FF and Chrome Canary.
---
 op_crates/web/00_webidl.js | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

(limited to 'op_crates/web/00_webidl.js')

diff --git a/op_crates/web/00_webidl.js b/op_crates/web/00_webidl.js
index ab3047391..c00c605e8 100644
--- a/op_crates/web/00_webidl.js
+++ b/op_crates/web/00_webidl.js
@@ -596,6 +596,13 @@
 
   converters.VoidFunction = convertCallbackFunction;
 
+  converters["UVString?"] = createNullableConverter(
+    converters.USVString,
+  );
+  converters["sequence<double>"] = createSequenceConverter(
+    converters["double"],
+  );
+
   function requiredArguments(length, required, opts = {}) {
     if (length < required) {
       const errMsg = `${
@@ -737,6 +744,26 @@
     };
   }
 
+  function createRecordConverter(keyConverter, valueConverter) {
+    return (V, opts) => {
+      if (typeof V !== "object") {
+        throw makeException(
+          TypeError,
+          "can not be converted to dictionary.",
+          opts,
+        );
+      }
+      const result = {};
+      for (const key of V) {
+        const typedKey = keyConverter(key, opts);
+        const value = V[key];
+        const typedValue = valueConverter(value, opts);
+        result[typedKey] = typedValue;
+      }
+      return result;
+    };
+  }
+
   const brand = Symbol("[[webidl.brand]]");
 
   function createInterfaceConverter(name, prototype) {
@@ -766,12 +793,14 @@
 
   window.__bootstrap ??= {};
   window.__bootstrap.webidl = {
+    makeException,
     converters,
     requiredArguments,
     createDictionaryConverter,
     createEnumConverter,
     createNullableConverter,
     createSequenceConverter,
+    createRecordConverter,
     createInterfaceConverter,
     brand,
     createBranded,
-- 
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