Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
lib: move kEnumerableProperty to internal/util
PR-URL: #41877 Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
- Loading branch information
1 parent
2d16565
commit b1f0cc6
Showing
14 changed files
with
217 additions
and
61 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,162 @@ | ||
| 'use strict'; | ||
|
|
||
| const { | ||
| ObjectDefineProperties, | ||
| Symbol, | ||
| } = primordials; | ||
|
|
||
| const { | ||
| codes: { | ||
| ERR_INVALID_ARG_VALUE, | ||
| ERR_INVALID_THIS, | ||
| }, | ||
| } = require('internal/errors'); | ||
|
|
||
| const { | ||
| newReadableWritablePairFromDuplex, | ||
| } = require('internal/webstreams/adapters'); | ||
|
|
||
| const { customInspect } = require('internal/webstreams/util'); | ||
|
|
||
| const { | ||
| customInspectSymbol: kInspect, | ||
| kEnumerableProperty, | ||
| } = require('internal/util'); | ||
|
|
||
| let zlib; | ||
| function lazyZlib() { | ||
| zlib ??= require('zlib'); | ||
| return zlib; | ||
| } | ||
|
|
||
| const kHandle = Symbol('kHandle'); | ||
| const kTransform = Symbol('kTransform'); | ||
| const kType = Symbol('kType'); | ||
|
|
||
| /** | ||
| * @typedef {import('./readablestream').ReadableStream} ReadableStream | ||
| * @typedef {import('./writablestream').WritableStream} WritableStream | ||
| */ | ||
|
|
||
| function isCompressionStream(value) { | ||
| return typeof value?.[kHandle] === 'object' && | ||
| value?.[kType] === 'CompressionStream'; | ||
| } | ||
|
|
||
| function isDecompressionStream(value) { | ||
| return typeof value?.[kHandle] === 'object' && | ||
| value?.[kType] === 'DecompressionStream'; | ||
| } | ||
|
|
||
| class CompressionStream { | ||
| /** | ||
| * @param {'deflate'|'gzip'} format | ||
| */ | ||
| constructor(format) { | ||
| this[kType] = 'CompressionStream'; | ||
| switch (format) { | ||
| case 'deflate': | ||
| this[kHandle] = lazyZlib().createDeflate(); | ||
| break; | ||
| case 'gzip': | ||
| this[kHandle] = lazyZlib().createGzip(); | ||
| break; | ||
| default: | ||
| throw new ERR_INVALID_ARG_VALUE('format', format); | ||
| } | ||
| this[kTransform] = newReadableWritablePairFromDuplex(this[kHandle]); | ||
| } | ||
|
|
||
| /** | ||
| * @readonly | ||
| * @type {ReadableStream} | ||
| */ | ||
| get readable() { | ||
| if (!isCompressionStream(this)) | ||
| throw new ERR_INVALID_THIS('CompressionStream'); | ||
| return this[kTransform].readable; | ||
| } | ||
|
|
||
| /** | ||
| * @readonly | ||
| * @type {WritableStream} | ||
| */ | ||
| get writable() { | ||
| if (!isCompressionStream(this)) | ||
| throw new ERR_INVALID_THIS('CompressionStream'); | ||
| return this[kTransform].writable; | ||
| } | ||
|
|
||
| [kInspect](depth, options) { | ||
| if (!isCompressionStream(this)) | ||
| throw new ERR_INVALID_THIS('CompressionStream'); | ||
| customInspect(depth, options, 'CompressionStream', { | ||
| readable: this[kTransform].readable, | ||
| writable: this[kTransform].writable, | ||
| }); | ||
| } | ||
| } | ||
|
|
||
| class DecompressionStream { | ||
| /** | ||
| * @param {'deflate'|'gzip'} format | ||
| */ | ||
| constructor(format) { | ||
| this[kType] = 'DecompressionStream'; | ||
| switch (format) { | ||
| case 'deflate': | ||
| this[kHandle] = lazyZlib().createInflate(); | ||
| break; | ||
| case 'gzip': | ||
| this[kHandle] = lazyZlib().createGunzip(); | ||
| break; | ||
| default: | ||
| throw new ERR_INVALID_ARG_VALUE('format', format); | ||
| } | ||
| this[kTransform] = newReadableWritablePairFromDuplex(this[kHandle]); | ||
| } | ||
|
|
||
| /** | ||
| * @readonly | ||
| * @type {ReadableStream} | ||
| */ | ||
| get readable() { | ||
| if (!isDecompressionStream(this)) | ||
| throw new ERR_INVALID_THIS('DecompressionStream'); | ||
| return this[kTransform].readable; | ||
| } | ||
|
|
||
| /** | ||
| * @readonly | ||
| * @type {WritableStream} | ||
| */ | ||
| get writable() { | ||
| if (!isDecompressionStream(this)) | ||
| throw new ERR_INVALID_THIS('DecompressionStream'); | ||
| return this[kTransform].writable; | ||
| } | ||
|
|
||
| [kInspect](depth, options) { | ||
| if (!isDecompressionStream(this)) | ||
| throw new ERR_INVALID_THIS('DecompressionStream'); | ||
| customInspect(depth, options, 'DecompressionStream', { | ||
| readable: this[kTransform].readable, | ||
| writable: this[kTransform].writable, | ||
| }); | ||
| } | ||
| } | ||
|
|
||
| ObjectDefineProperties(CompressionStream.prototype, { | ||
| readable: kEnumerableProperty, | ||
| writable: kEnumerableProperty, | ||
| }); | ||
|
|
||
| ObjectDefineProperties(DecompressionStream.prototype, { | ||
| readable: kEnumerableProperty, | ||
| writable: kEnumerableProperty, | ||
| }); | ||
|
|
||
| module.exports = { | ||
| CompressionStream, | ||
| DecompressionStream, | ||
| }; |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.