1 | import { promisify } from 'util'
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2 | import { ZlibOptions } from 'zlib'
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3 | import * as zlib from 'zlib'
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4 |
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5 | const deflate = promisify(zlib.deflate.bind(zlib))
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6 | const inflate = promisify(zlib.inflate.bind(zlib))
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7 | const gzip = promisify(zlib.gzip.bind(zlib))
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8 | const gunzip = promisify(zlib.gunzip.bind(zlib))
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9 |
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10 |
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11 | export async function zipBuffer(buf: Buffer, options: ZlibOptions = {}): Promise<Buffer> {
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12 | return await deflate(buf, options)
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13 | }
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14 |
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15 | export async function gzipBuffer(buf: Buffer, options: ZlibOptions = {}): Promise<Buffer> {
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16 | return await gzip(buf, options)
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17 | }
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18 |
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19 |
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20 | export async function unzipBuffer(buf: Buffer, options: ZlibOptions = {}): Promise<Buffer> {
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21 | return await inflate(buf, options)
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22 | }
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23 |
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24 | export async function gunzipBuffer(buf: Buffer, options: ZlibOptions = {}): Promise<Buffer> {
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25 | return await gunzip(buf, options)
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26 | }
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27 |
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28 |
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29 | export async function zipString(s: string, options?: ZlibOptions): Promise<Buffer> {
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30 | return await zipBuffer(Buffer.from(s), options)
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31 | }
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32 |
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33 | export async function gzipString(s: string, options?: ZlibOptions): Promise<Buffer> {
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34 | return await gzipBuffer(Buffer.from(s), options)
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35 | }
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36 |
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37 |
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38 | export async function unzipToString(buf: Buffer, options?: ZlibOptions): Promise<string> {
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39 | return (await unzipBuffer(buf, options)).toString()
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40 | }
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41 |
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42 | export async function gunzipToString(buf: Buffer, options?: ZlibOptions): Promise<string> {
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43 | return (await gunzipBuffer(buf, options)).toString()
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44 | }
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