realm/dist/async-iterator-from-response.js

Realm by MongoDB is an offline-first mobile database: an alternative to SQLite and key-value stores

"use strict";
////////////////////////////////////////////////////////////////////////////
//
// Copyright 2024 Realm Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
////////////////////////////////////////////////////////////////////////////
Object.defineProperty(exports, "__esModule", { value: true });
exports.asyncIteratorFromResponse = void 0;
// Falling back on a known string used in code transpiled by Babel
const asyncIteratorSymbol = Symbol.asyncIterator || "@@asyncIterator";
/** @internal */
function asyncIteratorFromResponse({ body }) {
    if (typeof body !== "object" || body === null) {
        throw new Error("Expected a non-null object");
    }
    else if (Symbol.asyncIterator in body) {
        return body;
    }
    else if ("getReader" in body) {
        return {
            [asyncIteratorSymbol]() {
                const reader = body.getReader();
                return {
                    async next() {
                        const { done, value } = await reader.read();
                        if (done) {
                            // TODO: Simply return the result once https://github.com/microsoft/TypeScript-DOM-lib-generator/pull/1676 is merged and released
                            return { done, value: undefined };
                        }
                        else if (value instanceof Uint8Array) {
                            return { done, value };
                        }
                        else {
                            throw new Error("Expected value to be Uint8Array");
                        }
                    },
                    async return() {
                        await reader.cancel();
                        return { done: true, value: null };
                    },
                };
            },
        };
    }
    else {
        throw new Error("Expected an AsyncIterable or a ReadableStream");
    }
}
exports.asyncIteratorFromResponse = asyncIteratorFromResponse;
//# sourceMappingURL=async-iterator-from-response.js.map