初始化环境文件
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41
node_modules/@smithy/node-http-handler/dist-es/stream-collector/index.js
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41
node_modules/@smithy/node-http-handler/dist-es/stream-collector/index.js
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import { Collector } from "./collector";
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export const streamCollector = (stream) => {
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if (isReadableStreamInstance(stream)) {
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return collectReadableStream(stream);
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}
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return new Promise((resolve, reject) => {
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const collector = new Collector();
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stream.pipe(collector);
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stream.on("error", (err) => {
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collector.end();
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reject(err);
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});
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collector.on("error", reject);
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collector.on("finish", function () {
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const bytes = new Uint8Array(Buffer.concat(this.bufferedBytes));
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resolve(bytes);
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});
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});
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};
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const isReadableStreamInstance = (stream) => typeof ReadableStream === "function" && stream instanceof ReadableStream;
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async function collectReadableStream(stream) {
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const chunks = [];
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const reader = stream.getReader();
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let isDone = false;
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let length = 0;
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while (!isDone) {
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const { done, value } = await reader.read();
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if (value) {
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chunks.push(value);
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length += value.length;
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}
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isDone = done;
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}
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const collected = new Uint8Array(length);
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let offset = 0;
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for (const chunk of chunks) {
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collected.set(chunk, offset);
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offset += chunk.length;
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}
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return collected;
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}
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