| 17 | } |
| 18 | |
| 19 | function replaceArrayBufferWithPlaceholder<In extends any>(obj: In, arrayBuffer: ArrayBuffer): In extends ArrayBuffer ? (In | typeof arrayBufferPlaceholder) : In { |
| 20 | if ((obj as any) === arrayBuffer) { |
| 21 | return arrayBufferPlaceholder as any |
| 22 | } else if (Array.isArray(obj)) { |
| 23 | return (obj as any[]).map(element => replaceArrayBufferWithPlaceholder(element, arrayBuffer)) as any |
| 24 | } else if (obj && typeof obj === "object") { |
| 25 | const result: In = Object.create(Object.getPrototypeOf(obj)) |
| 26 | |
| 27 | for (const key of Object.getOwnPropertyNames(obj)) { |
| 28 | (result as any)[key] = replaceArrayBufferWithPlaceholder((obj as any)[key], arrayBuffer) |
| 29 | } |
| 30 | return result as any |
| 31 | } else { |
| 32 | return obj as any |
| 33 | } |
| 34 | } |
| 35 | |
| 36 | test("can pass transferable objects on thread call", async t => { |
| 37 | const testData = new ArrayBuffer(64) |