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45 lines
1.1 KiB
Plaintext
45 lines
1.1 KiB
Plaintext
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = void 0;
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/**
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* @file Buffer和ArrayBuffer转换
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* @author mengke01(kekee000@gmail.com)
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*/
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/* eslint-disable no-undef */
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var _default = exports.default = {
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/**
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* Buffer转换成ArrayBuffer
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*
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* @param {Buffer} buffer 缓冲数组
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* @return {ArrayBuffer}
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*/
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toArrayBuffer: function toArrayBuffer(buffer) {
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var length = buffer.length;
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var view = new DataView(new ArrayBuffer(length), 0, length);
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for (var i = 0, l = length; i < l; i++) {
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view.setUint8(i, buffer[i], false);
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}
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return view.buffer;
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},
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/**
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* ArrayBuffer转换成Buffer
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*
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* @param {ArrayBuffer} arrayBuffer 缓冲数组
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* @return {Buffer}
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*/
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toBuffer: function toBuffer(arrayBuffer) {
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if (Array.isArray(arrayBuffer)) {
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return Buffer.from(arrayBuffer);
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}
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var length = arrayBuffer.byteLength;
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var view = new DataView(arrayBuffer, 0, length);
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var buffer = Buffer.alloc(length);
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for (var i = 0, l = length; i < l; i++) {
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buffer[i] = view.getUint8(i, false);
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}
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return buffer;
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}
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}; |