@typespec/ts-http-runtime/dist/browser/util/typeGuards.js

Isomorphic client library for making HTTP requests in node.js and browser.

// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
export function isNodeReadableStream(x) {
    return Boolean(x && typeof x["pipe"] === "function");
}
export function isWebReadableStream(x) {
    return Boolean(x &&
        typeof x.getReader === "function" &&
        typeof x.tee === "function");
}
export function isBinaryBody(body) {
    return (body !== undefined &&
        (body instanceof Uint8Array ||
            isReadableStream(body) ||
            typeof body === "function" ||
            body instanceof Blob));
}
export function isReadableStream(x) {
    return isNodeReadableStream(x) || isWebReadableStream(x);
}
export function isBlob(x) {
    return typeof x.stream === "function";
}
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