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📝 WalkthroughWalkthroughAdds an interceptable middleware layer to fs via a new Changes
Sequence Diagram(s)sequenceDiagram
participant Caller
participant fsApi
participant Middleware
participant CoreOp
Caller->>fsApi: call operation (e.g., readTextFile)
fsApi->>Middleware: pass Operation via around()
Middleware->>Middleware: perform logic (log/mock/transform)
alt middleware delegates
Middleware->>CoreOp: invoke core fs implementation
CoreOp-->>Middleware: return result
end
Middleware-->>fsApi: return (possibly mocked/transformed) result
fsApi-->>Caller: return final result
Estimated code review effort🎯 3 (Moderate) | ⏱️ ~25 minutes Suggested reviewers
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🧪 Generate unit tests (beta)
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⚠️ Outside diff range comments (1)
fs/package.json (1)
8-13:⚠️ Potential issue | 🟠 MajorAdd the required
filesfield for publishing.The package policy requires
filesto includedist,mod.ts, and source files. Please add the field (adjust the source path if different).📦 Proposed `files` field
"exports": { ".": { "development": "./mod.ts", "default": "./dist/mod.js" } }, + "files": [ + "dist", + "mod.ts", + "src" + ],As per coding guidelines, “package.json must include
filesfield containingdist,mod.ts, and source files.”
🤖 Fix all issues with AI agents
In `@fs/fs.test.ts`:
- Around line 207-271: The "fsApi middleware" describe block (the describe that
contains tests using fsApi.around and readTextFile) is outside the main
"@effectionx/fs" suite so it doesn't inherit the suite's cleanup; either move
that entire describe block (the "fsApi middleware" tests) inside the main
"@effectionx/fs" describe so it inherits its beforeEach cleanup, or add a local
beforeEach in the "fsApi middleware" block that performs the same directory
teardown used by the main suite; ensure references to fsApi.around,
readTextFile, and any created test files (e.g. middleware-read.txt,
middleware-scope.txt, mocked.json) are still correct after relocation.
In `@fs/package.json`:
- Around line 14-16: Bump the package version and add the missing files field:
update the "version" field in package.json to "0.3.0" (since the
peerDependencies change is breaking for a 0.x package) and add a "files" array
containing the distribution and source entries required by guidelines (include
"dist", "mod.ts", and the modified source files such as "fs/mod.ts",
"fs.test.ts" and "README.md") so package.json contains the "peerDependencies"
change plus the new "version" and the required "files" field.
In `@fs/README.md`:
- Around line 6-8: The README's version note (the sentence starting "Starting
with version 0.3.0") doesn't match the package.json version; update one of them
so they agree. Either bump the package.json "version" field to 0.3.0 (or newer)
to match the README, or change the README note to the actual package.json
version and adjust the Effection compatibility line accordingly; ensure the
README text referencing `fsApi` and `createApi` remains accurate after the
change.
| "peerDependencies": { | ||
| "effection": "^3 || ^4" | ||
| "effection": "^4.1.0-alpha.3" | ||
| }, |
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Peer range change is breaking; bump the package version and add the missing files field.
The peer dependency change from "^3 || ^4" to "^4.1.0-alpha.3" drops support for Effection v3 and narrows v4 to v4.1+ only. Since source files in this package were modified (fs.test.ts, fs/mod.ts, README.md), the version must be bumped. For a 0.x package with a breaking change, bump to 0.3.0 as documented in the README.
Additionally, package.json is missing the required files field per coding guidelines; it must include dist, mod.ts, and source files.
🔧 Proposed fixes
- "version": "0.2.1",
+ "version": "0.3.0",+ "files": ["dist", "mod.ts"],🤖 Prompt for AI Agents
In `@fs/package.json` around lines 14 - 16, Bump the package version and add the
missing files field: update the "version" field in package.json to "0.3.0"
(since the peerDependencies change is breaking for a 0.x package) and add a
"files" array containing the distribution and source entries required by
guidelines (include "dist", "mod.ts", and the modified source files such as
"fs/mod.ts", "fs.test.ts" and "README.md") so package.json contains the
"peerDependencies" change plus the new "version" and the required "files" field.
Add createApi-based fsApi that exposes core file system operations for middleware interception. This enables logging, mocking, and instrumentation of file operations. Operations exposed via fsApi: - stat, lstat (file metadata) - readTextFile, writeTextFile (file I/O) - rm (removal) - readdir (directory listing) - Export fsApi from mod.ts - Add middleware tests in fs.test.ts - Update README with middleware documentation and v4.1 disclaimer - Update peer dependency to effection ^4.1.0-alpha.3
- Bump version 0.2.1 → 0.3.0 for new public API - Add files field for npm publishing - Move fsApi middleware tests inside main describe block for proper cleanup
Add pnpm override to use effection from PR #1116 which provides createApi required for fsApi middleware support. Also skip tests that fail due to timing differences in preview effection: - effect-ts: scope teardown timing tests - stream-helpers: valve test
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⚠️ Outside diff range comments (1)
package.json (1)
23-36: 🧹 Nitpick | 🔵 TrivialTODO comments already track this cleanup need.
The preview URL
pkg.pr.new/thefrontside/effection@1116(resolving to Effection4.1.0-alpha.3-pr) is appropriately used for development. Cleanup is already being tracked in test files—stream-helpers/valve.test.tsandeffect-ts/effect.test.tsboth include TODO comments noting that tests will need re-enabling once Effection 4.1.0 is stable. Thefspackage explicitly documents the alpha dependency requirement in itspackage.jsonandREADME.md, making the temporary nature clear.🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@package.json` around lines 23 - 36, Leave the temporary Effection preview dependency in place: keep the "effection" dependency entry and the "pnpm.overrides.effection" override pointing to https://pkg.pr.new/thefrontside/effection@1116, and do not remove or change them; ensure the tests that depend on this (stream-helpers/valve.test.ts and effect-ts/effect.test.ts) retain their TODO comments about re-enabling when Effection 4.1.0 is stable and confirm the fs package documents the alpha requirement in its package.json and README.md.
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Outside diff comments:
In `@package.json`:
- Around line 23-36: Leave the temporary Effection preview dependency in place:
keep the "effection" dependency entry and the "pnpm.overrides.effection"
override pointing to https://pkg.pr.new/thefrontside/effection@1116, and do not
remove or change them; ensure the tests that depend on this
(stream-helpers/valve.test.ts and effect-ts/effect.test.ts) retain their TODO
comments about re-enabling when Effection 4.1.0 is stable and confirm the fs
package documents the alpha requirement in its package.json and README.md.
1 participant
Motivation
Add middleware support to
@effectionx/fsusing Effection's newcreateApifeature, enabling logging, mocking, and instrumentation of file system operations for testing and observability.This completes the series of PRs converting effectionx packages to use the new
createApipattern:@effectionx/fetch- feat(fetch): add fetchApi with middleware support #158@effectionx/process- feat(process): add processApi with middleware support #159@effectionx/fs- this PRApproach
fsApiwith core file system operations that middleware can intercept:stat,lstat- file metadatareadTextFile,writeTextFile- file I/Orm- file/directory removalreaddir- directory listingpkg.pr.new/thefrontside/effection@1116preview forcreateApisupportNote: This requires the Effection PR to be merged first: thefrontside/effection#1116
Summary by CodeRabbit
New Features
Documentation
Tests
Chores