From c42d8461b061136da2b3c04bd976d2e15b81969d Mon Sep 17 00:00:00 2001 From: Yagiz Nizipli Date: Wed, 18 Sep 2024 23:16:20 -0400 Subject: [PATCH] zlib: remove prototype primordials usage MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit # Conflicts: # lib/zlib.js PR-URL: https://github.com/nodejs/node/pull/54695 Reviewed-By: Michaƫl Zasso Reviewed-By: Marco Ippolito Reviewed-By: Robert Nagy Reviewed-By: James M Snell Reviewed-By: Ruy Adorno Reviewed-By: Moshe Atlow Reviewed-By: Trivikram Kamat Reviewed-By: Matthew Aitken --- doc/contributing/primordials.md | 1 + lib/eslint.config_partial.mjs | 1 + lib/zlib.js | 50 +++++++++++++++------------------ 3 files changed, 25 insertions(+), 27 deletions(-) diff --git a/doc/contributing/primordials.md b/doc/contributing/primordials.md index e7d94147a87..bbffca00806 100644 --- a/doc/contributing/primordials.md +++ b/doc/contributing/primordials.md @@ -10,6 +10,7 @@ important than reliability against prototype pollution: * `node:http` * `node:http2` * `node:tls` +* `node:zlib` Usage of primordials should be preferred for new code in other areas, but replacing current code with primordials should be diff --git a/lib/eslint.config_partial.mjs b/lib/eslint.config_partial.mjs index 0310790bac8..78d9f409a37 100644 --- a/lib/eslint.config_partial.mjs +++ b/lib/eslint.config_partial.mjs @@ -498,6 +498,7 @@ export default [ 'lib/internal/http.js', 'lib/internal/http2/*.js', 'lib/tls.js', + 'lib/zlib.js', ], rules: { 'no-restricted-syntax': [ diff --git a/lib/zlib.js b/lib/zlib.js index 1210f3baa69..2fb329814d3 100644 --- a/lib/zlib.js +++ b/lib/zlib.js @@ -23,21 +23,16 @@ const { ArrayBuffer, - ArrayPrototypeForEach, - ArrayPrototypeMap, - ArrayPrototypePush, - FunctionPrototypeBind, - MathMaxApply, + MathMax, NumberIsNaN, ObjectDefineProperties, ObjectDefineProperty, + ObjectEntries, ObjectFreeze, ObjectKeys, ObjectSetPrototypeOf, ReflectApply, - StringPrototypeStartsWith, Symbol, - TypedArrayPrototypeFill, Uint32Array, } = primordials; @@ -130,10 +125,11 @@ function zlibBuffer(engine, buffer, callback) { } function zlibBufferOnData(chunk) { - if (!this.buffers) + if (!this.buffers) { this.buffers = [chunk]; - else - ArrayPrototypePush(this.buffers, chunk); + } else { + this.buffers.push(chunk); + } this.nread += chunk.length; if (this.nread > this._maxOutputLength) { this.close(); @@ -442,7 +438,7 @@ function processChunkSync(self, chunk, flushFlag) { if (have > 0) { const out = buffer.slice(offset, offset + have); offset += have; - ArrayPrototypePush(buffers, out); + buffers.push(out); nread += out.byteLength; if (nread > self._maxOutputLength) { @@ -700,9 +696,10 @@ Zlib.prototype.params = function params(level, strategy, callback) { checkRangesOrGetDefault(strategy, 'strategy', Z_DEFAULT_STRATEGY, Z_FIXED); if (this._level !== level || this._strategy !== strategy) { - this.flush(Z_SYNC_FLUSH, - FunctionPrototypeBind(paramsAfterFlushCallback, this, - level, strategy, callback)); + this.flush( + Z_SYNC_FLUSH, + paramsAfterFlushCallback.bind(this, level, strategy, callback), + ); } else { process.nextTick(callback); } @@ -782,13 +779,10 @@ function createConvenienceMethod(ctor, sync) { }; } -const kMaxBrotliParam = MathMaxApply(ArrayPrototypeMap( - ObjectKeys(constants), - (key) => (StringPrototypeStartsWith(key, 'BROTLI_PARAM_') ? - constants[key] : - 0), -)); - +const kMaxBrotliParam = MathMax( + ...ObjectEntries(constants) + .map(({ 0: key, 1: value }) => (key.startsWith('BROTLI_PARAM_') ? value : 0)), +); const brotliInitParamsArray = new Uint32Array(kMaxBrotliParam + 1); const brotliDefaultOpts = { @@ -799,9 +793,9 @@ const brotliDefaultOpts = { function Brotli(opts, mode) { assert(mode === BROTLI_DECODE || mode === BROTLI_ENCODE); - TypedArrayPrototypeFill(brotliInitParamsArray, -1); + brotliInitParamsArray.fill(-1); if (opts?.params) { - ArrayPrototypeForEach(ObjectKeys(opts.params), (origKey) => { + ObjectKeys(opts.params).forEach((origKey) => { const key = +origKey; if (NumberIsNaN(key) || key < 0 || key > kMaxBrotliParam || (brotliInitParamsArray[key] | 0) !== -1) { @@ -939,10 +933,12 @@ ObjectDefineProperties(module.exports, { // These should be considered deprecated // expose all the zlib constants -for (const bkey of ObjectKeys(constants)) { - if (StringPrototypeStartsWith(bkey, 'BROTLI')) continue; - ObjectDefineProperty(module.exports, bkey, { +for (const { 0: key, 1: value } of ObjectEntries(constants)) { + if (key.startsWith('BROTLI')) continue; + ObjectDefineProperty(module.exports, key, { __proto__: null, - enumerable: false, value: constants[bkey], writable: false, + enumerable: false, + value, + writable: false, }); }