chore(deps): update dependency memfs to v4

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This PR contains the following updates:

Package	Change	Age	Confidence
memfs	^3.5.3 -> ^4.39.0

---

Release Notes

streamich/memfs (memfs)

v4.39.0

Compare Source

Features

• 🎸 add scaffold for CoreFileSystemObserver implementation and restructure fsa() helper (117b7c5)
• 🎸 improve IFileSystemChangeRecord interface (868b763)
• 🎸 update IFileSystemObserver interface (d581d8c)
• 🎸 update file change record interface (ff2386c)
• 🎸 use FanOut for Link reactivity (2aec586)
• 🎸 use FanOut for Node events (95ef10a)
• 🎸 use compact form for link events (a00a1f0)

4.38.3 (2025-09-09)

Bug Fixes

• prevent readFile from updating ctime when only accessing files (f5f3066)

4.38.2 (2025-08-26)

Bug Fixes

• correct permission check logic for readonly files in copyFile operations (a06bb4d)

4.38.1 (2025-08-24)

Bug Fixes

• 🐛 use glob-to-regex library (8962374)

v4.38.3

Compare Source

Features

• 🎸 add scaffold for CoreFileSystemObserver implementation and restructure fsa() helper (117b7c5)
• 🎸 improve IFileSystemChangeRecord interface (868b763)
• 🎸 update IFileSystemObserver interface (d581d8c)
• 🎸 update file change record interface (ff2386c)
• 🎸 use FanOut for Link reactivity (2aec586)
• 🎸 use FanOut for Node events (95ef10a)
• 🎸 use compact form for link events (a00a1f0)

4.38.3 (2025-09-09)

Bug Fixes

• prevent readFile from updating ctime when only accessing files (f5f3066)

4.38.2 (2025-08-26)

Bug Fixes

• correct permission check logic for readonly files in copyFile operations (a06bb4d)

4.38.1 (2025-08-24)

Bug Fixes

• 🐛 use glob-to-regex library (8962374)

v4.38.2

Compare Source

Features

• 🎸 add scaffold for CoreFileSystemObserver implementation and restructure fsa() helper (117b7c5)
• 🎸 improve IFileSystemChangeRecord interface (868b763)
• 🎸 update IFileSystemObserver interface (d581d8c)
• 🎸 update file change record interface (ff2386c)
• 🎸 use FanOut for Link reactivity (2aec586)
• 🎸 use FanOut for Node events (95ef10a)
• 🎸 use compact form for link events (a00a1f0)

4.38.3 (2025-09-09)

Bug Fixes

• prevent readFile from updating ctime when only accessing files (f5f3066)

4.38.2 (2025-08-26)

Bug Fixes

• correct permission check logic for readonly files in copyFile operations (a06bb4d)

4.38.1 (2025-08-24)

Bug Fixes

• 🐛 use glob-to-regex library (8962374)

v4.38.1

Compare Source

Features

• 🎸 add scaffold for CoreFileSystemObserver implementation and restructure fsa() helper (117b7c5)
• 🎸 improve IFileSystemChangeRecord interface (868b763)
• 🎸 update IFileSystemObserver interface (d581d8c)
• 🎸 update file change record interface (ff2386c)
• 🎸 use FanOut for Link reactivity (2aec586)
• 🎸 use FanOut for Node events (95ef10a)
• 🎸 use compact form for link events (a00a1f0)

4.38.3 (2025-09-09)

Bug Fixes

• prevent readFile from updating ctime when only accessing files (f5f3066)

4.38.2 (2025-08-26)

Bug Fixes

• correct permission check logic for readonly files in copyFile operations (a06bb4d)

4.38.1 (2025-08-24)

Bug Fixes

• 🐛 use glob-to-regex library (8962374)

v4.38.0

Compare Source

Features

• 🎸 add scaffold for CoreFileSystemObserver implementation and restructure fsa() helper (117b7c5)
• 🎸 improve IFileSystemChangeRecord interface (868b763)
• 🎸 update IFileSystemObserver interface (d581d8c)
• 🎸 update file change record interface (ff2386c)
• 🎸 use FanOut for Link reactivity (2aec586)
• 🎸 use FanOut for Node events (95ef10a)
• 🎸 use compact form for link events (a00a1f0)

4.38.3 (2025-09-09)

Bug Fixes

• prevent readFile from updating ctime when only accessing files (f5f3066)

4.38.2 (2025-08-26)

Bug Fixes

• correct permission check logic for readonly files in copyFile operations (a06bb4d)

4.38.1 (2025-08-24)

Bug Fixes

• 🐛 use glob-to-regex library (8962374)

v4.37.1

Compare Source

Bug Fixes

• handle chmod 0 permissions in existsSync and access methods (3452bcf)

Features

• revert exists implementation (bf209cd)

4.37.1 (2025-08-22)

Bug Fixes

• ensure FLAG enum is properly exported for compatibility with Node.js fs.open (685aef1)

Performance Improvements

• add FLAG constant enum (8c301ff)

v4.37.0

Compare Source

Bug Fixes

• handle chmod 0 permissions in existsSync and access methods (3452bcf)

Features

• revert exists implementation (bf209cd)

4.37.1 (2025-08-22)

Bug Fixes

• ensure FLAG enum is properly exported for compatibility with Node.js fs.open (685aef1)

Performance Improvements

• add FLAG constant enum (8c301ff)

v4.36.3

Compare Source

Features

• implement async queryPermission with FSA context mode checks (68a5927)
• implement queryPermission method in NodeFileSystemHandle using fs.access (06bd6b1)

4.36.3 (2025-08-18)

Bug Fixes

• 🐛 add thingies package (8df9208)
• 🐛 remove CRUD and CAS fs implementations (6ec598d)

4.36.2 (2025-08-18)

Bug Fixes

• 🐛 check for buffer size when stream reading (1402df8)

4.36.1 (2025-08-18)

Bug Fixes

• 🐛 correctly write at offset in FS adapter (2526c3a)

v4.36.2

Compare Source

Features

• implement async queryPermission with FSA context mode checks (68a5927)
• implement queryPermission method in NodeFileSystemHandle using fs.access (06bd6b1)

4.36.3 (2025-08-18)

Bug Fixes

• 🐛 add thingies package (8df9208)
• 🐛 remove CRUD and CAS fs implementations (6ec598d)

4.36.2 (2025-08-18)

Bug Fixes

• 🐛 check for buffer size when stream reading (1402df8)

4.36.1 (2025-08-18)

Bug Fixes

• 🐛 correctly write at offset in FS adapter (2526c3a)

v4.36.1

Compare Source

Features

• implement async queryPermission with FSA context mode checks (68a5927)
• implement queryPermission method in NodeFileSystemHandle using fs.access (06bd6b1)

4.36.3 (2025-08-18)

Bug Fixes

• 🐛 add thingies package (8df9208)
• 🐛 remove CRUD and CAS fs implementations (6ec598d)

4.36.2 (2025-08-18)

Bug Fixes

• 🐛 check for buffer size when stream reading (1402df8)

4.36.1 (2025-08-18)

Bug Fixes

• 🐛 correctly write at offset in FS adapter (2526c3a)

v4.36.0

Compare Source

Features

• implement async queryPermission with FSA context mode checks (68a5927)
• implement queryPermission method in NodeFileSystemHandle using fs.access (06bd6b1)

4.36.3 (2025-08-18)

Bug Fixes

• 🐛 add thingies package (8df9208)
• 🐛 remove CRUD and CAS fs implementations (6ec598d)

4.36.2 (2025-08-18)

Bug Fixes

• 🐛 check for buffer size when stream reading (1402df8)

4.36.1 (2025-08-18)

Bug Fixes

• 🐛 correctly write at offset in FS adapter (2526c3a)

v4.35.0

Compare Source

Bug Fixes

• directory timestamp handling - correctly distinguish access vs modification operations (db0e6ce)
• increase setTimeout delay in directory timestamp tests from 1ms to 10ms to improve reliability on Mac systems (65051af)

Features

• add comprehensive test coverage for appendFile path validation (0baa763)
• add test case for appendFile with dots in path (ab544ca)
• fix directory timestamp handling - correctly distinguish access vs modification operations (5d88334)

v4.34.0

Compare Source

Features

• add ENOTDIR error for files accessed with trailing slash (83d36f3)

v4.33.0

Compare Source

Bug Fixes

• correct ENOTDIR vs ENOENT error handling after symlink resolution (63b5cb3)

Features

• fix ENOTDIR vs ENOENT error handling for file-as-directory scenarios (adab01d)

4.32.1 (2025-08-01)

Bug Fixes

• remove setTimeout to capture immediate file events in watched directories (6cda8d5)

v4.32.1

Compare Source

Bug Fixes

• correct ENOTDIR vs ENOENT error handling after symlink resolution (63b5cb3)

Features

• fix ENOTDIR vs ENOENT error handling for file-as-directory scenarios (adab01d)

4.32.1 (2025-08-01)

Bug Fixes

• remove setTimeout to capture immediate file events in watched directories (6cda8d5)

v4.32.0

Compare Source

Bug Fixes

• correct ENOTDIR vs ENOENT error handling after symlink resolution (63b5cb3)

Features

• fix ENOTDIR vs ENOENT error handling for file-as-directory scenarios (adab01d)

4.32.1 (2025-08-01)

Bug Fixes

• remove setTimeout to capture immediate file events in watched directories (6cda8d5)

v4.31.0

Compare Source

Features

• improve FileHandle.readableWebStream() with proper locking and autoClose support (1e27b52)

4.30.1 (2025-08-01)

Bug Fixes

• add missing name check in FsaNodeSyncWorker.getFileOrDir for root directory (fcdd81e)
• allow lstat to traverse intermediate symlinks (733eb2c)
• statSync("/") error in FsaNodeSyncAdapterWorker (bd831a6)

v4.30.1

Compare Source

Features

• improve FileHandle.readableWebStream() with proper locking and autoClose support (1e27b52)

4.30.1 (2025-08-01)

Bug Fixes

• add missing name check in FsaNodeSyncWorker.getFileOrDir for root directory (fcdd81e)
• allow lstat to traverse intermediate symlinks (733eb2c)
• statSync("/") error in FsaNodeSyncAdapterWorker (bd831a6)

v4.30.0

Compare Source

Features

• improve FileHandle.readableWebStream() with proper locking and autoClose support (1e27b52)

4.30.1 (2025-08-01)

Bug Fixes

• add missing name check in FsaNodeSyncWorker.getFileOrDir for root directory (fcdd81e)
• allow lstat to traverse intermediate symlinks (733eb2c)
• statSync("/") error in FsaNodeSyncAdapterWorker (bd831a6)

v4.29.0

Compare Source

Features

• add missing Node.js fs APIs with proper TypeScript types and stubs (280f317)

4.28.1 (2025-08-01)

Bug Fixes

• correct writevSync return type to number per Node.js documentation (d7720c3)
• make position parameter optional in readvSync, writeSync, and writevSync methods (3e4ccc6)

v4.28.1

Compare Source

Features

• add missing Node.js fs APIs with proper TypeScript types and stubs (280f317)

4.28.1 (2025-08-01)

Bug Fixes

• correct writevSync return type to number per Node.js documentation (d7720c3)
• make position parameter optional in readvSync, writeSync, and writevSync methods (3e4ccc6)

v4.28.0

Compare Source

Features

• add missing Node.js fs APIs with proper TypeScript types and stubs (280f317)

4.28.1 (2025-08-01)

Bug Fixes

• correct writevSync return type to number per Node.js documentation (d7720c3)
• make position parameter optional in readvSync, writeSync, and writevSync methods (3e4ccc6)

v4.27.0

Compare Source

Bug Fixes

• resolve security regex issue and constructor bug in FSA classes (c7c268c)

Features

• complete Core FSA implementation with clean linting (e53cd7c)
• complete FSA implementation with main package exports (a26e1cc)
• implement Core FSA classes with basic functionality working (7e60a4a)
• revert index.ts changes and implement queryPermission method (02c2b6c)

v4.26.0

Compare Source

Bug Fixes

• revert yarn.lock changes and fix import paths in moved test files (1cd8d0a)
• update remaining import paths in volume.test.ts (4dd00c8)
• update remaining Stats import in mkdirSync test (4cfcfa6)

Features

• update Node.js interfaces to use property syntax instead of method declarations (a774c3f)

4.25.1 (2025-07-31)

Performance Improvements

• remove await in loop for toSnapshot (66519da)

v4.25.1

Compare Source

Bug Fixes

• revert yarn.lock changes and fix import paths in moved test files (1cd8d0a)
• update remaining import paths in volume.test.ts (4dd00c8)
• update remaining Stats import in mkdirSync test (4cfcfa6)

Features

• update Node.js interfaces to use property syntax instead of method declarations (a774c3f)

4.25.1 (2025-07-31)

Performance Improvements

• remove await in loop for toSnapshot (66519da)

v4.25.0

Compare Source

Bug Fixes

• revert yarn.lock changes and fix import paths in moved test files (1cd8d0a)
• update remaining import paths in volume.test.ts (4dd00c8)
• update remaining Stats import in mkdirSync test (4cfcfa6)

Features

• update Node.js interfaces to use property syntax instead of method declarations (a774c3f)

4.25.1 (2025-07-31)

Performance Improvements

• remove await in loop for toSnapshot (66519da)

v4.24.0

Compare Source

Features

• refactor core classes to separate files (0ce0317)

v4.23.0

Compare Source

Features

• add promises.watch (45a6171)

4.22.1 (2025-07-27)

Bug Fixes

• fs.createReadStream throwing ERR_OUT_OF_RANGE with start parameter (5e5e5ca)

v4.22.1

Compare Source

Features

• add promises.watch (45a6171)

4.22.1 (2025-07-27)

Bug Fixes

• fs.createReadStream throwing ERR_OUT_OF_RANGE with start parameter (5e5e5ca)

v4.22.0

Compare Source

Features

• add promises.watch (45a6171)

4.22.1 (2025-07-27)

Bug Fixes

• fs.createReadStream throwing ERR_OUT_OF_RANGE with start parameter (5e5e5ca)

v4.21.0

Compare Source

Features

• improve Dir class, align better with Node.js (cdc257a)

4.20.1 (2025-07-27)

Bug Fixes

• track internal position in FileHandle (7406f1b)

v4.20.1

Compare Source

Features

• improve Dir class, align better with Node.js (cdc257a)

4.20.1 (2025-07-27)

Bug Fixes

• track internal position in FileHandle (7406f1b)

v4.20.0

Compare Source

Features

• improve Dir class, align better with Node.js (cdc257a)

4.20.1 (2025-07-27)

Bug Fixes

• track internal position in FileHandle (7406f1b)

v4.19.0

Compare Source

Bug Fixes

• improve cross-platform path validation in cp operations to prevent Windows infinite recursion (77535d0)
• prevent infinite recursion in Windows path resolution for cp operations (0f26418)

Features

• implement cp, cpSync, and promises.cp APIs (389f1f5)

Performance Improvements

• ⚡️ do not create a temporary function (c8dbc24)

v4.18.0

Compare Source

Features

• add missing opendir methods (7412d71)

4.17.2 (2025-05-15)

Performance Improvements

• use promises rather than setImmediate so that I/O is executed within the current task stack (#​1100) (786072f)

4.17.1 (2025-05-03)

Bug Fixes

• export Volume class directly rather than as a const (#​1099) (9c99798)

v4.17.2

Compare Source

Features

• add missing opendir methods (7412d71)

4.17.2 (2025-05-15)

Performance Improvements

• use promises rather than setImmediate so that I/O is executed within the current task stack (#​1100) (786072f)

4.17.1 (2025-05-03)

Bug Fixes

• export Volume class directly rather than as a const (#​1099) (9c99798)

v4.17.1

Compare Source

Features

• add missing opendir methods (7412d71)

4.17.2 (2025-05-15)

Performance Improvements

• use promises rather than setImmediate so that I/O is executed within the current task stack (#​1100) (786072f)

4.17.1 (2025-05-03)

Bug Fixes

• export Volume class directly rather than as a const (#​1099) (9c99798)

v4.17.0

Compare Source

Features

• add missing opendir methods (7412d71)

4.17.2 (2025-05-15)

Performance Improvements

• use promises rather than setImmediate so that I/O is executed within the current task stack (#​1100) (786072f)

4.17.1 (2025-05-03)

Bug Fixes

• export Volume class directly rather than as a const (#​1099) (9c99798)

v4.16.0

Compare Source

Features

• support UInt8Array in place of Buffer (#​1083) (0d3662a)

4.15.4 (2025-01-09)

Bug Fixes

• remove debugger statement (#​1086) (6489172)

4.15.3 (2025-01-01)

Bug Fixes

• allow setting custom file types beyond S_IFREG and S_IFDIR (#​1082) (24da3e7)

4.15.2 (2024-12-30)

Bug Fixes

• don't fail on closing fd after reset has been called (#​550) (#​1081) (ede0f4f)

4.15.1 (2024-12-22)

Bug Fixes

• resolve relative symlinks to the current directory (#​1079) (63e3873), closes #​725

v4.15.4

Compare Source

Features

• support UInt8Array in place of Buffer (#​1083) (0d3662a)

4.15.4 (2025-01-09)

Bug Fixes

• remove debugger statement (#​1086) (6489172)

4.15.3 (2025-01-01)

Bug Fixes

• allow setting custom file types beyond S_IFREG and S_IFDIR (#​1082) (24da3e7)

4.15.2 (2024-12-30)

Bug Fixes

• don't fail on closing fd after reset has been called (#​550) (#​1081) (ede0f4f)

4.15.1 (2024-12-22)

Bug Fixes

• resolve relative symlinks to the current directory (#​1079) (63e3873), closes #​725

v4.15.3

Compare Source

Features

• support UInt8Array in place of Buffer (#​1083) (0d3662a)

4.15.4 (2025-01-09)

Bug Fixes

• remove debugger statement (#​1086) (6489172)

4.15.3 (2025-01-01)

Bug Fixes

• allow setting custom file types beyond S_IFREG and S_IFDIR (#​1082) (24da3e7)

4.15.2 (2024-12-30)

Bug Fixes

• don't fail on closing fd after reset has been called (#​550) (#​1081) (ede0f4f)

4.15.1 (2024-12-22)

Bug Fixes

• resolve relative symlinks to the current directory (#​1079) (63e3873), closes #​725

v4.15.2

Compare Source

Features

• support UInt8Array in place of Buffer (#​1083) (0d3662a)

4.15.4 (2025-01-09)

Bug Fixes

• remove debugger statement (#​1086) (6489172)

4.15.3 (2025-01-01)

Bug Fixes

• allow setting custom file types beyond S_IFREG and S_IFDIR (#​1082) (24da3e7)

4.15.2 (2024-12-30)

Bug Fixes

• don't fail on closing fd after reset has been called (#​550) (#​1081) (ede0f4f)

4.15.1 (2024-12-22)

Bug Fixes

• resolve relative symlinks to the current directory (#​1079) (63e3873), closes #​725

v4.15.1

Compare Source

Features

• support UInt8Array in place of Buffer (#​1083) (0d3662a)

4.15.4 (2025-01-09)

Bug Fixes

• remove debugger statement (#​1086) (6489172)

4.15.3 (2025-01-01)

Bug Fixes

• allow setting custom file types beyond S_IFREG and S_IFDIR (#​1082) (24da3e7)

4.15.2 (2024-12-30)

Bug Fixes

• don't fail on closing fd after reset has been called (#​550) (#​1081) (ede0f4f)

4.15.1 (2024-12-22)

Bug Fixes

• resolve relative symlinks to the current directory (#​1079) (63e3873), closes #​725

v4.15.0

Compare Source

Features

• support UInt8Array in place of Buffer (#​1083) (0d3662a)

4.15.4 (2025-01-09)

Bug Fixes

• remove debugger statement (#​1086) (6489172)

4.15.3 (2025-01-01)

Bug Fixes

• allow setting custom file types beyond S_IFREG and S_IFDIR (#​1082) (24da3e7)

4.15.2 (2024-12-30)

Bug Fixes

• don't fail on closing fd after reset has been called (#​550) (#​1081) (ede0f4f)

4.15.1 (2024-12-22)

Bug Fixes

• resolve relative symlinks to the current directory (#​1079) (63e3873), closes #​725

v4.14.1

Compare Source

Features

• implement createReadStream and createWriteStream on FileHandle (#​1076) (c413df5), closes #​1063

4.14.1 (2024-12-02)

Bug Fixes

• accept passing a FileHandle to createReadStream and createWriteStream (#​1077) (af163dc)

v4.14.0

Compare Source

Features

• implement createReadStream and createWriteStream on FileHandle (#​1076) (c413df5), closes #​1063

4.14.1 (2024-12-02)

Bug Fixes

• accept passing a FileHandle to createReadStream and createWriteStream (#​1077) (af163dc)

v4.13.0

Compare Source

Features

• implement lutimes (#​1066) (a1772b2)

v4.12.0

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