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Title: doc: add missing `zstd` to mjs example of zlib by deokjinkim · Pull Request #60915 · nodejs/node · GitHub

Open Graph Title: doc: add missing `zstd` to mjs example of zlib by deokjinkim · Pull Request #60915 · nodejs/node

X Title: doc: add missing `zstd` to mjs example of zlib by deokjinkim · Pull Request #60915 · nodejs/node

Description: For reference, cjs example already has zstd as compression encoding. Client request example (1) mjs node/doc/api/zlib.md Lines 237 to 273 in 6f7f51b // Client request example import fs from 'node:fs'; import zlib from 'node:zlib'; import http from 'node:http'; import process from 'node:process'; import { pipeline } from 'node:stream'; const request = http.get({ host: 'example.com', path: '/', port: 80, headers: { 'Accept-Encoding': 'br,gzip,deflate' } }); request.on('response', (response) => { const output = fs.createWriteStream('example.com_index.html'); const onError = (err) => { if (err) { console.error('An error occurred:', err); process.exitCode = 1; } }; switch (response.headers['content-encoding']) { case 'br': pipeline(response, zlib.createBrotliDecompress(), output, onError); break; // Or, just use zlib.createUnzip() to handle both of the following cases: case 'gzip': pipeline(response, zlib.createGunzip(), output, onError); break; case 'deflate': pipeline(response, zlib.createInflate(), output, onError); break; default: pipeline(response, output, onError); break; } }); (2) cjs node/doc/api/zlib.md Lines 277 to 314 in 6f7f51b // Client request example const zlib = require('node:zlib'); const http = require('node:http'); const fs = require('node:fs'); const { pipeline } = require('node:stream'); const request = http.get({ host: 'example.com', path: '/', port: 80, headers: { 'Accept-Encoding': 'br,gzip,deflate,zstd' } }); request.on('response', (response) => { const output = fs.createWriteStream('example.com_index.html'); const onError = (err) => { if (err) { console.error('An error occurred:', err); process.exitCode = 1; } }; switch (response.headers['content-encoding']) { case 'br': pipeline(response, zlib.createBrotliDecompress(), output, onError); break; // Or, just use zlib.createUnzip() to handle both of the following cases: case 'gzip': pipeline(response, zlib.createGunzip(), output, onError); break; case 'deflate': pipeline(response, zlib.createInflate(), output, onError); break; case 'zstd': pipeline(response, zlib.createZstdDecompress(), output, onError); break; default: pipeline(response, output, onError); break; } Server example (1) mjs node/doc/api/zlib.md Lines 319 to 360 in 6f7f51b // server example // Running a gzip operation on every request is quite expensive. // It would be much more efficient to cache the compressed buffer. import zlib from 'node:zlib'; import http from 'node:http'; import fs from 'node:fs'; import { pipeline } from 'node:stream'; http.createServer((request, response) => { const raw = fs.createReadStream('index.html'); // Store both a compressed and an uncompressed version of the resource. response.setHeader('Vary', 'Accept-Encoding'); const acceptEncoding = request.headers['accept-encoding'] || ''; const onError = (err) => { if (err) { // If an error occurs, there's not much we can do because // the server has already sent the 200 response code and // some amount of data has already been sent to the client. // The best we can do is terminate the response immediately // and log the error. response.end(); console.error('An error occurred:', err); } }; // Note: This is not a conformant accept-encoding parser. // See https://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.3 if (/\bdeflate\b/.test(acceptEncoding)) { response.writeHead(200, { 'Content-Encoding': 'deflate' }); pipeline(raw, zlib.createDeflate(), response, onError); } else if (/\bgzip\b/.test(acceptEncoding)) { response.writeHead(200, { 'Content-Encoding': 'gzip' }); pipeline(raw, zlib.createGzip(), response, onError); } else if (/\bbr\b/.test(acceptEncoding)) { response.writeHead(200, { 'Content-Encoding': 'br' }); pipeline(raw, zlib.createBrotliCompress(), response, onError); } else { response.writeHead(200, {}); pipeline(raw, response, onError); } }).listen(1337); (2) cjs node/doc/api/zlib.md Lines 364 to 408 in 6f7f51b // server example // Running a gzip operation on every request is quite expensive. // It would be much more efficient to cache the compressed buffer. const zlib = require('node:zlib'); const http = require('node:http'); const fs = require('node:fs'); const { pipeline } = require('node:stream'); http.createServer((request, response) => { const raw = fs.createReadStream('index.html'); // Store both a compressed and an uncompressed version of the resource. response.setHeader('Vary', 'Accept-Encoding'); const acceptEncoding = request.headers['accept-encoding'] || ''; const onError = (err) => { if (err) { // If an error occurs, there's not much we can do because // the server has already sent the 200 response code and // some amount of data has already been sent to the client. // The best we can do is terminate the response immediately // and log the error. response.end(); console.error('An error occurred:', err); } }; // Note: This is not a conformant accept-encoding parser. // See https://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.3 if (/\bdeflate\b/.test(acceptEncoding)) { response.writeHead(200, { 'Content-Encoding': 'deflate' }); pipeline(raw, zlib.createDeflate(), response, onError); } else if (/\bgzip\b/.test(acceptEncoding)) { response.writeHead(200, { 'Content-Encoding': 'gzip' }); pipeline(raw, zlib.createGzip(), response, onError); } else if (/\bbr\b/.test(acceptEncoding)) { response.writeHead(200, { 'Content-Encoding': 'br' }); pipeline(raw, zlib.createBrotliCompress(), response, onError); } else if (/\bzstd\b/.test(acceptEncoding)) { response.writeHead(200, { 'Content-Encoding': 'zstd' }); pipeline(raw, zlib.createZstdCompress(), response, onError); } else { response.writeHead(200, {}); pipeline(raw, response, onError); } }).listen(1337); Refs: #52100

Open Graph Description: For reference, cjs example already has zstd as compression encoding. Client request example (1) mjs node/doc/api/zlib.md Lines 237 to 273 in 6f7f51b ...

X Description: For reference, cjs example already has zstd as compression encoding. Client request example (1) mjs node/doc/api/zlib.md Lines 237 to 273 in 6f7f51b ...

Opengraph URL: https://github.com/nodejs/node/pull/60915

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