feat(ext/web): implement static `Response.json` (#14566)

This commit adds support for the static `Response.json` method.

1 files changed, 24 insertions, 10 deletions

diff --git a/ext/web/00_infra.js b/ext/web/00_infra.js
index f46316bfe..bf931f8c7 100644
--- a/ext/web/00_infra.js
+++ b/ext/web/00_infra.js
@@ -11,23 +11,24 @@
 ((window) => {
   const core = Deno.core;
   const {
-    Error,
-    RegExp,
+    ArrayPrototypeJoin,
     ArrayPrototypeMap,
-    StringPrototypeCharCodeAt,
+    Error,
+    JSONStringify,
     NumberPrototypeToString,
-    StringPrototypePadStart,
-    TypeError,
-    ArrayPrototypeJoin,
+    RegExp,
     SafeArrayIterator,
+    String,
     StringPrototypeCharAt,
+    StringPrototypeCharCodeAt,
     StringPrototypeMatch,
-    StringPrototypeSlice,
-    String,
+    StringPrototypePadStart,
     StringPrototypeReplace,
-    StringPrototypeToUpperCase,
-    StringPrototypeToLowerCase,
+    StringPrototypeSlice,
     StringPrototypeSubstring,
+    StringPrototypeToLowerCase,
+    StringPrototypeToUpperCase,
+    TypeError,
   } = window.__bootstrap.primordials;
 
   const ASCII_DIGIT = ["\u0030-\u0039"];
@@ -294,6 +295,18 @@
     }
   }
 
+  /**
+   * @param {unknown} value
+   * @returns {string}
+   */
+  function serializeJSValueToJSONString(value) {
+    const result = JSONStringify(value);
+    if (result === undefined) {
+      throw new TypeError("Value is not JSON serializable.");
+    }
+    return result;
+  }
+
   window.__bootstrap.infra = {
     collectSequenceOfCodepoints,
     ASCII_DIGIT,
@@ -320,5 +333,6 @@
     forgivingBase64Decode,
     AssertionError,
     assert,
+    serializeJSValueToJSONString,
   };
 })(globalThis);