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/* Any copyright is dedicated to the Public Domain.
import { _lazyForTestMocking } from "chrome://global/content/ml/MLEngine.worker.mjs";
// buffer inside the inference process (the only place the WebIDL interface is
// exposed) and returns the outcome through run().
_lazyForTestMocking.getBackend = async function () {
const { InferenceSession } = globalThis;
if (!InferenceSession) {
return {
run: () => ({
exposed: false,
available: false,
rejected: false,
errorName: null,
message: null,
metrics: {},
}),
};
}
const outcome = {
exposed: true,
available: InferenceSession.isAvailable(),
rejected: false,
errorName: null,
message: null,
metrics: {},
};
if (outcome.available) {
try {
await InferenceSession.create(
new Uint8Array([0xde, 0xad, 0xbe, 0xef, 0x00, 0x01, 0x02, 0x03])
);
} catch (error) {
outcome.rejected = true;
outcome.errorName = error?.name ?? null;
outcome.message = error?.message ?? String(error);
}
}
return { run: () => outcome };
};