40 lines
1.0 KiB
TypeScript
40 lines
1.0 KiB
TypeScript
import util from 'node:util'
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import zlib from 'node:zlib'
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import logger from 'electron-log'
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// 将 zlib 的 gzip 和 gunzip 方法转换为 Promise 版本
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const gzipPromise = util.promisify(zlib.gzip)
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const gunzipPromise = util.promisify(zlib.gunzip)
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/**
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* 压缩字符串
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* @param {string} string - 要压缩的 JSON 字符串
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* @returns {Promise<Buffer>} 压缩后的 Buffer
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*/
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export async function compress(str) {
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try {
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const buffer = Buffer.from(str, 'utf-8')
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const compressedBuffer = await gzipPromise(buffer)
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return compressedBuffer
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} catch (error) {
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logger.error('Compression failed:', error)
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throw error
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}
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}
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/**
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* 解压缩 Buffer 到 JSON 字符串
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* @param {Buffer} compressedBuffer - 压缩的 Buffer
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* @returns {Promise<string>} 解压缩后的 JSON 字符串
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*/
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export async function decompress(compressedBuffer) {
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try {
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const buffer = await gunzipPromise(compressedBuffer)
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return buffer.toString('utf-8')
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} catch (error) {
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logger.error('Decompression failed:', error)
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throw error
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}
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}
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