nstdlib-nightly/lib/internal/test/transfer.mjs

Node.js standard library converted to runtime-agnostic ES modules.

// Source: https://github.com/nodejs/node/blob/65eff1eb/lib/internal/test/transfer.js

import {
  markTransferMode,
  kClone,
  kDeserialize,
} from "nstdlib/lib/internal/worker/js_transferable";

process.emitWarning(
  "These APIs are for internal testing only. Do not use them.",
  "internal/test/transfer",
);

// Used as part of parallel/test-messaging-maketransferable.
// This has to exist within the lib/internal/ path in order
// for deserialization to work.

class E {
  constructor(b) {
    this.b = b;
  }
}

class F extends E {
  constructor(b) {
    super(b);
    markTransferMode(this, true, false);
  }

  [kClone]() {
    return {
      data: { b: this.b },
      deserializeInfo: "internal/test/transfer:F",
    };
  }

  [kDeserialize]({ b }) {
    this.b = b;
  }
}

export { E };
export { F };