cmux/node_modules/@vercel/build-utils/dist/fs/stream-to-buffer.js
2026-01-29 17:36:26 -08:00

87 lines
3.1 KiB
JavaScript

"use strict";
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
// If the importer is in node compatibility mode or this is not an ESM
// file that has been converted to a CommonJS file using a Babel-
// compatible transform (i.e. "__esModule" has not been set), then set
// "default" to the CommonJS "module.exports" for node compatibility.
isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var stream_to_buffer_exports = {};
__export(stream_to_buffer_exports, {
default: () => streamToBuffer,
streamToBufferChunks: () => streamToBufferChunks
});
module.exports = __toCommonJS(stream_to_buffer_exports);
var import_end_of_stream = __toESM(require("end-of-stream"));
function streamToBuffer(stream) {
return new Promise((resolve, reject) => {
const buffers = [];
stream.on("data", buffers.push.bind(buffers));
(0, import_end_of_stream.default)(stream, (err) => {
if (err) {
reject(err);
return;
}
switch (buffers.length) {
case 0:
resolve(Buffer.allocUnsafe(0));
break;
case 1:
resolve(buffers[0]);
break;
default:
resolve(Buffer.concat(buffers));
}
});
});
}
const MB = 1024 * 1024;
async function streamToBufferChunks(stream, chunkSize = 100 * MB) {
const chunks = [];
let currentChunk = [];
let currentSize = 0;
for await (const chunk of stream) {
const buffer = Buffer.isBuffer(chunk) ? chunk : Buffer.from(chunk);
let offset = 0;
while (offset < buffer.length) {
const remainingSpace = chunkSize - currentSize;
const sliceSize = Math.min(remainingSpace, buffer.length - offset);
currentChunk.push(buffer.slice(offset, offset + sliceSize));
currentSize += sliceSize;
offset += sliceSize;
if (currentSize >= chunkSize) {
chunks.push(Buffer.concat(currentChunk));
currentChunk = [];
currentSize = 0;
}
}
}
if (currentChunk.length > 0) {
chunks.push(Buffer.concat(currentChunk));
}
return chunks;
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
streamToBufferChunks
});