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Malte UblandClaude Opus 5.5
6c1af69d03
`Response.json(data, init)` was refused (SC2020). It now builds a native Response the way undici does: ResponseInit converts, the data serializes through the checked-dynamic JSON serializer (toJSON hooks included; TypeError "Value is not JSON serializable" when JSON.stringify answers undefined), then the response initializes like the constructor with "application/json" as the default content type, so status, statusText, header, and null-body-status errors keep their order. The fetch compatibility profile moves Response.json from unsupported to a static operation with the static-response-json differential fixture. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
31 lines
1.7 KiB
TypeScript
31 lines
1.7 KiB
TypeScript
// Response.json(data, init): ResponseInit converts, the data serializes with
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// JSON.stringify (TypeError when it answers undefined), then the response
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// initializes like the constructor, defaulting content-type to
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// application/json.
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function show(label: string, make: () => Response): void {
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try {
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const r = make();
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console.log(label, r.status, JSON.stringify(r.statusText), r.headers.get("content-type"), r.headers.get("x-a"));
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} catch (e) {
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console.log(label, e instanceof Error ? `${e.name}: ${e.message}` : String(e));
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}
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}
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show("plain", () => Response.json({ ok: true }));
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show("init", () => Response.json([1, 2], { status: 201, statusText: "Made", headers: { "x-a": "1" } }));
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show("content-type", () => Response.json("s", { headers: { "content-type": "text/x" } }));
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show("headers object", () => Response.json(null, { headers: new Headers([["x-a", "h"]]) }));
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show("undefined", () => Response.json(undefined));
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const fn: unknown = () => 1;
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show("function", () => Response.json(fn));
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show("range", () => Response.json({}, { status: 99 }));
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show("undefined before range", () => Response.json(undefined, { status: 99 }));
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show("null body status", () => Response.json({}, { status: 204 }));
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show("bad header", () => Response.json({}, { headers: { "bad name": "x" } }));
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show("undefined before bad header", () => Response.json(undefined, { headers: { "bad name": "x" } }));
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show("bad statusText", () => Response.json({}, { statusText: "a\nb" }));
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const data: unknown = JSON.parse('{"a":[1,"x",null],"n":{"deep":true}}');
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const r = Response.json({ data, d: new Date(0), skip: undefined });
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console.log(r.bodyUsed, await r.text(), r.bodyUsed);
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const parsed: unknown = await Response.json({ round: [1, 2] }).json();
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console.log(JSON.stringify(parsed));
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