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## [0.39.8](https://github.com/sasjs/server/compare/v0.39.7...v0.39.8) (2026-07-15)
### Bug Fixes
* **api:** return 200 with embedded log on SAS session failure instead of 400 ([8506950](https://github.com/sasjs/server/commit/850695024f4b7102982c197ec64b5bb45e7d5f90))
## [0.39.7](https://github.com/sasjs/server/compare/v0.39.6...v0.39.7) (2026-07-14)
### Bug Fixes
* **jsonwebtoken:** bumped version to avoid vulnerability ([1473925](https://github.com/sasjs/server/commit/1473925896db0e4472c9ef5ba64955527a1be2de))
## [0.39.6](https://github.com/sasjs/server/compare/v0.39.5...v0.39.6) (2026-07-14)
### Bug Fixes
* **api:** isolate drive.spec.ts's files folder from the real drive ([dec5191](https://github.com/sasjs/server/commit/dec51914911c10b66b43ebe95f77b0af63e2d03e))
* **api:** stop overwriting a failed JS/PY/R session back to completed ([4858245](https://github.com/sasjs/server/commit/4858245372fa19929b6e59c28148f5d004239c9d))
## [0.39.5](https://github.com/sasjs/server/compare/v0.39.4...v0.39.5) (2026-07-14)
### Bug Fixes
* **api:** harden mock SAS executable and timeouts for CI ([67fce47](https://github.com/sasjs/server/commit/67fce475a3c53b3c20919902edb45dce809dffb9))
* **api:** return prompt error response instead of hanging when a SAS session fails ([f84af4a](https://github.com/sasjs/server/commit/f84af4ac0639625fee4508e764f0eed07d7b4e8a))
* fix code.spec.ts failing on a fresh checkout (CI) ([0af6b63](https://github.com/sasjs/server/commit/0af6b63ffa770bfa2b77505d74778be517f8d631))
## [0.39.4](https://github.com/sasjs/server/compare/v0.39.3...v0.39.4) (2025-12-21)
### Bug Fixes
* **deps:** bump dependencies and resolve audit issues ([4f78202](https://github.com/sasjs/server/commit/4f782025dbcdfcbae6ca1fabb42ce1bc385e0162))
## [0.39.3](https://github.com/sasjs/server/compare/v0.39.2...v0.39.3) (2025-11-25)
### Bug Fixes
* (deps) bump @sasjs/core to 4.59.7 ([ab96653](https://github.com/sasjs/server/commit/ab966535642d08d4e8e984007b98c8fdffbe30f7))
* (deps) rerun npm i to sync ([225f381](https://github.com/sasjs/server/commit/225f381bdf8ad5aa2af8d75648df1dd5175e12e0))
## [0.39.2](https://github.com/sasjs/server/compare/v0.39.1...v0.39.2) (2025-09-25)
### Bug Fixes
* addressing test fail ([e51b204](https://github.com/sasjs/server/commit/e51b20421adc1598ea267c79b1fb4dbc085f97b9))
* packages missmatch ([379ea60](https://github.com/sasjs/server/commit/379ea604bcb5686b5299fae6a32f759c45b275ea))
* type libs ([6d123c3](https://github.com/sasjs/server/commit/6d123c3e23628c1d703eaa13142c77f0da970a55))
* typescript errors ([631e956](https://github.com/sasjs/server/commit/631e95604b64b1a96f2abade659348618f3b00b2))
* typescript errors ([198cd79](https://github.com/sasjs/server/commit/198cd79354254511c21ac1acfbf7b6bcfdab2af7))
## [0.39.1](https://github.com/sasjs/server/compare/v0.39.0...v0.39.1) (2025-03-13) ## [0.39.1](https://github.com/sasjs/server/compare/v0.39.0...v0.39.1) (2025-03-13)
@@ -1,39 +0,0 @@
# Code execution & session diagrams
Mermaid diagrams describing how `@sasjs/server` executes submitted code
(SAS/JS/PY/R) against pooled "sessions". Written for fast context-loading by
an AI coding agent: each diagram is self-contained, node/edge labels carry
the actual file:line references, and prose is kept to the minimum needed to
disambiguate the diagram.
| File | Covers |
|---|---|
| [session-lifecycle.md](session-lifecycle.md) | `SessionState` state machine; how it differs between the SAS runtime and the JS/PY/R runtimes |
| [sas-execution-handshake.md](sas-execution-handshake.md) | The SYSIN/AUTOEXEC file-swap mechanism a SAS session uses to turn one long-lived `sas` process into a single-use execution slot |
| [request-execution-flow.md](request-execution-flow.md) | End-to-end flowchart from HTTP request to response, covering session-pool acquisition and both runtime branches (SAS vs JS/PY/R) |
## Core concept
A "session" is not a request-scoped object. It is a pooled, reusable
execution slot with a filesystem folder (`session.path`) and a state
(`SessionState`). For the SAS runtime specifically, a session also owns one
real OS process, spawned at session-*creation* time and consumed by exactly
one code submission (see `sas-execution-handshake.md`). For JS/PY/R, a
session is just an ID + folder; the actual interpreter process is spawned
fresh per request inside `processProgram`.
## Key source files
- `api/src/controllers/internal/Session.ts` — session pool + lifecycle
(`SessionController`, `SASSessionController`), `SessionState` transitions.
- `api/src/controllers/internal/processProgram.ts` — writes the submitted
code into the session and drives it to completion/failure, per runtime.
- `api/src/controllers/internal/Execution.ts``ExecutionController`,
the entry point controllers call; acquires a session, calls
`processProgram`, reads back `log.log`/`webout.txt`/headers, and builds
the HTTP response. A failed session (any runtime) is embedded in that
same response, not thrown as a separate error.
- `api/src/controllers/internal/create{SAS,JS,Python,R}Program.ts`
per-runtime code templating (wraps the user's submitted code with
boilerplate: variable injection, `_webout` redirection, etc).
- `api/src/types/Session.ts``SessionState` enum and `Session` interface.
@@ -1,69 +0,0 @@
# Request execution flow (end-to-end)
Full path from an inbound HTTP request to the HTTP response, covering
session-pool acquisition and the two structurally different runtime
branches: SAS (reuses a parked long-lived process) vs JS/PY/R (spawns a
fresh interpreter process per request).
```mermaid
flowchart TD
A["HTTP request<br/>POST /SASjsApi/code/execute<br/>or /SASjsApi/stp/execute"] --> B["Controller<br/>code.ts / stp.ts<br/>try/catch wrapper"]
B --> C["ExecutionController.executeProgram<br/>or .executeFile<br/>Execution.ts:40-77"]
C --> D{"session already provided?<br/>(e.g. file-upload flow)"}
D -- no --> E["getSessionController(runTime).getSession()<br/>Session.ts:59-69"]
D -- yes --> F["use provided session"]
E --> G{"pending session<br/>available in pool?"}
G -- yes --> H["reuse it"]
G -- no --> I["createSession()<br/>SAS: spawns a real sas process, see<br/>sas-execution-handshake.md<br/>JS/PY/R: cheap - folder + id only"]
H --> J["pre-warm: if pool has fewer<br/>than 3 pending, fire off more<br/>createSession() calls (not awaited)<br/>Session.ts:66"]
I --> J
F --> K
J --> K["session.state = running<br/>Execution.ts:78"]
K --> L["write webout.txt (empty),<br/>reqHeaders.txt<br/>Execution.ts:85-89"]
L --> M["processProgram(...)<br/>Execution.ts:96-107"]
M --> N{"runTime?"}
N -- SAS --> O["createSASProgram():<br/>wrap user code with _webout<br/>filename, macro vars, autoexec"]
O --> P["write code.sas via .bkp + rename<br/>processProgram.ts:48-49"]
P --> Q["poll: while state !== completed<br/>AND state !== failed<br/>processProgram.ts:58-63"]
Q --> R["processProgram() resolves either way -<br/>state was set by the session's own<br/>process exit handler in Session.ts,<br/>see sas-execution-handshake.md"]
N -- "JS / PY / R" --> T["createJSProgram / createPythonProgram /<br/>createRProgram: wrap user code similarly"]
T --> U["write code file; spawn interpreter<br/>fresh via execFile; pipe stdout/stderr<br/>into a log.log write stream<br/>processProgram.ts:117-124"]
U -- "exit 0" --> Uc["session.state = completed<br/>processProgram.ts:126"]
U -- "exit non-zero" --> Uf["session.state = failed<br/>session.failureReason = err.toString()<br/>processProgram.ts:131-133"]
Uc --> R
Uf --> R
R --> V["read log.log, webout.txt,<br/>stpsrv_header.txt<br/>Execution.ts:109-113, 121-125"]
V --> W["guard: if state !== failed,<br/>set state = completed<br/>(don't overwrite a failed session)<br/>Execution.ts:127-137"]
W --> X["build httpHeaders + result;<br/>embed log in result if<br/>isDebugOn(vars) or<br/>session.failureReason is set<br/>Execution.ts:139-164"]
X --> Y["Controller: res.send(result)<br/>HTTP 200<br/>(log embedded if the session failed -<br/>same shape as a successful run)"]
```
## Notes
- **Session pool is per-runtime.** SAS sessions and JS/PY/R sessions live in
separate controllers/pools (`process.sasSessionController` vs
`process.sessionController`, `Session.ts:239-253`) - a pending SAS session
is never handed out for a JS request or vice versa.
- **The SAS branch and the JS/PY/R branch converge** on the same
success/failure signal shape: `session.state` becomes `completed` or
`failed` either way, and both paths flow through the same log/webout
reading logic in `Execution.ts` afterward. The mechanics of *how* that
state gets set differ substantially (see `session-lifecycle.md`).
- **A failed session never throws.** `processProgram()` resolves normally
whether the session completed or failed - a failed session (e.g. SAS
`%abort;`, or a non-zero JS/PY/R exit) is a normal outcome of running
arbitrary user code, not a request-shape/server problem. There is no
separate error path: the same `Execution.ts:139-164` logic that embeds
the log for a debug-mode successful run also embeds it when
`session.failureReason` is set, and the controller always responds 200.
- **`includePrintOutput`** (SAS only) additionally appends `output.lst`
content to the result when debug mode is on - omitted above for brevity;
see `Execution.ts:149-156`.
- **`triggerProgram`/`triggerCode`** (fire-and-forget variants, not shown)
call the same `ExecutionController` methods without awaiting them and
immediately return `{ sessionId }`; the client polls
`GET /SASjsApi/session/{sessionId}/state` separately.
@@ -1,81 +0,0 @@
# SAS session execution handshake
How one long-lived `sas` process is turned into a single-use execution slot
via a SYSIN file-swap trick. This is the mechanism specific to
`RunTimeType.SAS`; JS/PY/R sessions spawn a fresh interpreter process per
request instead (see `request-execution-flow.md`).
```mermaid
sequenceDiagram
participant Client as HTTP client
participant Ctrl as Controller<br/>(code.ts / stp.ts)
participant Exec as ExecutionController<br/>(Execution.ts)
participant Pool as SASSessionController<br/>(Session.ts)
participant FS as Filesystem<br/>(session.path)
participant SAS as spawned "sas" process
Note over Pool,SAS: SESSION CREATION - happens ahead of any request,<br/>pool pre-warms up to 3 sessions (Session.ts:59-69)
Pool->>FS: createFile(code.sas, "") - empty dummy SYSIN (Session.ts:117-118)
Pool->>FS: readFile(sysInitCompiledPath) - compiled system-init<br/>macros, produced by `npm run compileSysInit` (Session.ts:105)
Note over Pool: throws if this file doesn't exist yet -<br/>session creation never reaches execFile below
Pool->>FS: createFile(autoexec.sas, autoExecContent) (Session.ts:108-114)
Pool->>SAS: execFile(sasLoc, -SYSIN code.sas -AUTOEXEC autoexec.sas -LOG log.log ...) (Session.ts:127-147)
activate SAS
Note right of SAS: process stays active (this box)<br/>from spawn until it finally exits below
SAS->>FS: autoexec step 1: delete code.sas, the dummy SYSIN (Session.ts:257-261)
Pool->>FS: waitForSession() polls fileExists(code.sas) (Session.ts:175-192)
FS-->>Pool: code.sas no longer exists
Pool->>Pool: session.state = pending (Session.ts:190)
SAS->>SAS: autoexec step 2: busy-wait for code.sas to reappear,<br/>up to 15 minutes (Session.ts:263-274)
Note over SAS: process is now idle, parked mid-autoexec,<br/>waiting on the filesystem.<br/>Counts as "pending" in the pool.
Note over Client,SAS: REQUEST ARRIVES - reuses the parked process above
Client->>Ctrl: POST .../execute { code, runTime: sas }
Ctrl->>Exec: executeProgram({ program, runTime: SAS, ... })
Exec->>Pool: getSession() returns the pending session (Session.ts:59-69)
Exec->>Exec: session.state = running (Execution.ts:78)
Exec->>FS: createFile(webout.txt, "") and createFile(reqHeaders.txt, ...) (Execution.ts:85-89)
Exec->>Pool: processProgram(program, session, ...) (Execution.ts:96-107)
Pool->>FS: createSASProgram() wraps user code with macro vars,<br/>_webout filename, autoexec injection (createSASProgram.ts)
Pool->>FS: write code.sas.bkp, then rename to code.sas (processProgram.ts:48-49)
Note over FS: write-then-rename, not a direct write,<br/>so SAS never reads a partial file
FS-->>SAS: code.sas exists again
SAS->>SAS: autoexec step 2 loop exits, sleeps 0.01s, autoexec ends (Session.ts:267-271)
Note over SAS: -SYSIN has pointed at code.sas from the start,<br/>so SAS now executes ITS CONTENT as the main job
SAS->>FS: writes log.log, output.lst, webout.txt while running
Pool->>Pool: processProgram poll loop:<br/>while state !== completed AND state !== failed (processProgram.ts:58-63)
alt program reaches EOF normally
SAS->>SAS: exits with code 0
SAS-->>Pool: execFilePromise resolves - .then() (Session.ts:148-152)
Pool->>Pool: session.state = completed
else program aborts (e.g. %abort, fatal error, license failure, hard STOP)
SAS->>SAS: exits with non-zero code
SAS-->>Pool: execFilePromise rejects - .catch() (Session.ts:153-163)
Pool->>Pool: session.state = failed<br/>session.failureReason = err.toString()
end
deactivate SAS
Note over Pool,Exec: either way processProgram() just RESOLVES here -<br/>a failed session is a normal outcome of running user<br/>code, not a request-shape/server problem, so it never throws<br/>(processProgram.ts:58-63, same as the JS/PY/R branch below)
Exec->>FS: read log.log, webout.txt, stpsrv_header.txt (Execution.ts:109-112, 121-125)
Note over Exec: if session.failureReason is set, the log is folded into<br/>result the same way isDebugOn(vars) already does for a<br/>successful run - no separate error shape (Execution.ts:158-164)
Exec-->>Ctrl: { httpHeaders, result }
Ctrl-->>Client: 200 + result<br/>(log embedded in result if the session failed)
```
## Why this design
- SAS has meaningful startup cost (loading the engine, running system init
macros). Spawning a fresh `sas` process per request would pay that cost
every time. Instead, a process is spawned once and parked, ready to run
exactly one job the moment code shows up at a path it's already watching.
- The pool (`SessionController.getSession`, `Session.ts:59-69`) keeps up to
3 such parked processes ready, so most requests get an instant handoff
instead of waiting through the ~15-minute autoexec spin-wait or a cold
start.
- A session is single-use: once its process consumes the real SYSIN content
and exits (success or failure), that process is gone. The session object
itself is deleted later by `scheduleSessionDestroy` (`Session.ts:204-236`),
not reused for a second job.
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# Session lifecycle (`SessionState`)
Enum defined in `api/src/types/Session.ts`. A `Session` is `{ id, state,
path, creationTimeStamp, deathTimeStamp, expiresAfterMins?, failureReason? }`.
Sessions live in an in-memory array on a per-runtime singleton controller
(`process.sasSessionController` for SAS, `process.sessionController` shared
by JS/PY/R — see `getSessionController()` in `Session.ts:239-253`).
```mermaid
stateDiagram-v2
[*] --> initialising: SAS runtime<br/>SASSessionController.createSession()<br/>Session.ts:77-95
[*] --> pending: JS/PY/R runtime, no process yet<br/>SessionController.createSession()<br/>Session.ts:30-57
initialising --> pending: dummy SYSIN file deleted<br/>by SAS's autoexec<br/>waitForSession(), Session.ts:175-192
initialising --> failed: spawned SAS process exits<br/>before handshake completes<br/>Session.ts:153-163, 184-188
pending --> running: session picked for a request<br/>executeProgram(), Execution.ts:76-78
running --> completed: process exits 0<br/>SAS: Session.ts:148-152 (original process)<br/>JS/PY/R: processProgram.ts:124-129 (fresh process)
running --> failed: process exits non-zero<br/>SAS: Session.ts:153-163<br/>JS/PY/R: processProgram.ts:130-135<br/>failureReason = err.toString()<br/>neither branch throws - see request-execution-flow.md
completed --> [*]: deleteSession()<br/>scheduleSessionDestroy(), Session.ts:194-236
failed --> [*]: deleteSession()<br/>scheduleSessionDestroy()
note right of initialising
SAS only. The real sas
executable is already
running, spin-waiting
inside its AUTOEXEC for
real code to arrive.
See sas-execution-handshake.md
end note
note right of pending
Session sits in the pool,
reusable. Pre-warmed up to
3 pending sessions per
runtime (getSession(),
Session.ts:59-69)
end note
note right of running
SAS: no new process spawned
here, request just feeds
code to the already-running
process.
JS/PY/R: a brand new
interpreter process is
spawned right now.
end note
```
## Consumers of `state`
| Reader | Location | Watches for |
|---|---|---|
| `waitForSession` | `Session.ts:175-192` | `failed` (breaks early) or the dummy SYSIN file disappearing (implies session survived init) |
| `processProgram` (SAS branch poll loop) | `processProgram.ts:58-63` | `completed` or `failed` - either just stops the loop and returns normally; `failed` does **not** throw. `Execution.ts` reads `session.failureReason` afterward to fold the log into a normal (200) result, same as it already does for JS/PY/R. |
| `scheduleSessionDestroy` | `Session.ts:204-236` | `running` (extends death timer instead of destroying) |
## Asymmetry between runtimes
- **SAS**: one OS process per session, spawned once at `createSession()`
time and reused for exactly one job (see `sas-execution-handshake.md`).
`running`/`completed`/`failed` are all driven by that *same* process's
eventual exit.
- **JS/PY/R**: a session is cheap (folder + id, no process). The interpreter
process is spawned fresh, per request, inside `processProgram.ts:124` and
its exit drives `completed`/`failed` directly in the same function - there
is no separate poll loop for these runtimes (SAS needs one because it's
polling a state change happening in a process spawned earlier, at session
creation; JS/PY/R just `await` the process they spawn right there).
- **Both runtimes resolve `processProgram()` normally on `failed`, they
never throw for it** - a failed session (any runtime) is a normal outcome
of running arbitrary user code, not a request-shape/server problem. See
`request-execution-flow.md` for how `Execution.ts` turns that into a
response.
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@@ -6,9 +6,11 @@
"scripts": { "scripts": {
"initial": "npm run swagger && npm run compileSysInit && npm run copySASjsCore && npm run downloadMacros", "initial": "npm run swagger && npm run compileSysInit && npm run copySASjsCore && npm run downloadMacros",
"prestart": "npm run initial", "prestart": "npm run initial",
"prebuild": "npm run initial",
"start": "NODE_ENV=development nodemon ./src/server.ts", "start": "NODE_ENV=development nodemon ./src/server.ts",
"start:prod": "node ./build/src/server.js", "start:prod": "node ./build/src/server.js",
"build": "npm run initial && rimraf build && tsc && npm run copy:files", "build": "rimraf build && tsc",
"postbuild": "npm run copy:files",
"swagger": "tsoa spec", "swagger": "tsoa spec",
"prepare": "[ -d .git ] && git config core.hooksPath ./.git-hooks || true", "prepare": "[ -d .git ] && git config core.hooksPath ./.git-hooks || true",
"test": "mkdir -p tmp && mkdir -p ../web/build && jest --silent --coverage", "test": "mkdir -p tmp && mkdir -p ../web/build && jest --silent --coverage",
@@ -16,10 +18,10 @@
"lint": "npx prettier --check \"src/**/*.{ts,tsx,js,jsx,html,css,sass,less,yml,md,graphql}\"", "lint": "npx prettier --check \"src/**/*.{ts,tsx,js,jsx,html,css,sass,less,yml,md,graphql}\"",
"exe": "npm run build && pkg .", "exe": "npm run build && pkg .",
"copy:files": "npm run public:copy && npm run sasjsbuild:copy && npm run sas:copy && npm run web:copy", "copy:files": "npm run public:copy && npm run sasjsbuild:copy && npm run sas:copy && npm run web:copy",
"public:copy": "cpr ./public/ ./build/public/", "public:copy": "cp -r ./public/ ./build/public/",
"sasjsbuild:copy": "cpr ./sasjsbuild/ ./build/sasjsbuild/", "sasjsbuild:copy": "cp -r ./sasjsbuild/ ./build/sasjsbuild/",
"sas:copy": "cpr ./sas/ ./build/sas/", "sas:copy": "cp -r ./sas/ ./build/sas/",
"web:copy": "rimraf web && mkdir web && cpr ../web/build/ ./web/build/", "web:copy": "rimraf web && mkdir web && cp -r ../web/build/ ./web/build/",
"compileSysInit": "ts-node ./scripts/compileSysInit.ts", "compileSysInit": "ts-node ./scripts/compileSysInit.ts",
"copySASjsCore": "ts-node ./scripts/copySASjsCore.ts", "copySASjsCore": "ts-node ./scripts/copySASjsCore.ts",
"downloadMacros": "ts-node ./scripts/downloadMacros.ts" "downloadMacros": "ts-node ./scripts/downloadMacros.ts"
@@ -46,25 +48,25 @@
}, },
"author": "4GL Ltd", "author": "4GL Ltd",
"dependencies": { "dependencies": {
"@sasjs/core": "^4.59.10", "@sasjs/core": "^4.40.1",
"@sasjs/utils": "^3.5.6", "@sasjs/utils": "3.2.0",
"bcryptjs": "^2.4.3", "bcryptjs": "^2.4.3",
"connect-mongo": "^5.1.0", "connect-mongo": "^4.6.0",
"cookie-parser": "^1.4.7", "cookie-parser": "^1.4.6",
"cors": "^2.8.5", "cors": "^2.8.5",
"express": "^4.21.2", "express": "^4.17.1",
"express-session": "^1.18.2", "express-session": "^1.17.2",
"helmet": "^5.0.2", "helmet": "^5.0.2",
"joi": "^17.4.2", "joi": "^17.4.2",
"jsonwebtoken": "^9.0.3", "jsonwebtoken": "^9.0.2",
"ldapjs": "2.3.3", "ldapjs": "2.3.3",
"mongoose": "^6.13.8", "mongoose": "^6.0.12",
"morgan": "^1.10.1", "morgan": "^1.10.0",
"multer": "^1.4.5-lts.1", "multer": "^1.4.5-lts.1",
"rate-limiter-flexible": "2.4.1", "rate-limiter-flexible": "2.4.1",
"rotating-file-stream": "^3.0.4", "rotating-file-stream": "^3.0.4",
"swagger-ui-express": "4.3.0", "swagger-ui-express": "4.3.0",
"unzipper": "^0.12.3", "unzipper": "^0.10.11",
"url": "^0.10.3" "url": "^0.10.3"
}, },
"devDependencies": { "devDependencies": {
@@ -74,33 +76,32 @@
"@types/cors": "^2.8.12", "@types/cors": "^2.8.12",
"@types/express": "^4.17.12", "@types/express": "^4.17.12",
"@types/express-session": "^1.17.4", "@types/express-session": "^1.17.4",
"@types/jest": "^29.5.0", "@types/jest": "^26.0.24",
"@types/jsonwebtoken": "^8.5.5", "@types/jsonwebtoken": "^8.5.5",
"@types/ldapjs": "^2.2.4", "@types/ldapjs": "^2.2.4",
"@types/morgan": "^1.9.3", "@types/morgan": "^1.9.3",
"@types/multer": "^1.4.7", "@types/multer": "^1.4.7",
"@types/node": "^20.0.0", "@types/node": "^15.12.2",
"@types/supertest": "^2.0.11", "@types/supertest": "^2.0.11",
"@types/swagger-ui-express": "^4.1.3", "@types/swagger-ui-express": "^4.1.3",
"@types/unzipper": "^0.10.5", "@types/unzipper": "^0.10.5",
"adm-zip": "^0.5.9", "adm-zip": "^0.5.9",
"axios": "1.12.2", "axios": "^1.12.2",
"cpr": "^3.0.1",
"csrf": "^3.1.0", "csrf": "^3.1.0",
"dotenv": "^16.0.1", "dotenv": "^16.0.1",
"http-headers-validation": "^0.0.1", "http-headers-validation": "^0.0.1",
"jest": "^29.7.0", "jest": "^27.0.6",
"mongodb-memory-server": "8.11.4", "mongodb-memory-server": "8.11.4",
"nodejs-file-downloader": "4.10.2", "nodejs-file-downloader": "4.10.2",
"nodemon": "^3.0.0", "nodemon": "^2.0.7",
"pkg": "5.6.0", "pkg": "5.6.0",
"prettier": "^3.0.3", "prettier": "^2.3.1",
"rimraf": "^3.0.2", "rimraf": "^3.0.2",
"supertest": "^6.1.3", "supertest": "^6.1.3",
"ts-jest": "^29.1.0", "ts-jest": "^27.0.3",
"ts-node": "^10.0.0", "ts-node": "^10.0.0",
"tsoa": "3.14.1", "tsoa": "3.14.1",
"typescript": "^5.0.0" "typescript": "^4.3.2"
}, },
"nodemonConfig": { "nodemonConfig": {
"ignore": [ "ignore": [
+3 -3
View File
File diff suppressed because one or more lines are too long
+2 -3
View File
@@ -234,10 +234,9 @@ const verifyAuthCode = async (
jwt.verify(code, process.secrets.AUTH_CODE_SECRET, (err, data) => { jwt.verify(code, process.secrets.AUTH_CODE_SECRET, (err, data) => {
if (err) return resolve(undefined) if (err) return resolve(undefined)
const payload = data as InfoJWT
const clientInfo: InfoJWT = { const clientInfo: InfoJWT = {
clientId: payload?.clientId, clientId: data?.clientId,
userId: payload?.userId userId: data?.userId
} }
if (clientInfo.clientId === clientId) { if (clientInfo.clientId === clientId) {
return resolve(clientInfo) return resolve(clientInfo)
+1 -15
View File
@@ -88,11 +88,6 @@ export class ExecutionController {
preProgramVariables?.httpHeaders.join('\n') ?? '' preProgramVariables?.httpHeaders.join('\n') ?? ''
) )
// A failed session (e.g. SAS via %abort;, or a non-zero JS/PY/R exit)
// is a normal outcome of running arbitrary user code, not a
// request-shape/server problem - processProgram resolves rather than
// throwing in that case, and the session.failureReason check below
// folds the log into the same result shape a successful run returns.
await processProgram( await processProgram(
program, program,
preProgramVariables, preProgramVariables,
@@ -125,16 +120,7 @@ export class ExecutionController {
: '' : ''
// it should be deleted by scheduleSessionDestroy // it should be deleted by scheduleSessionDestroy
// session.state = SessionState.completed
// Guarded: for JS/PY/R, processProgram sets state to `failed` itself
// (without throwing) when the interpreter process exits non-zero - if
// we unconditionally set `completed` here we'd silently overwrite that,
// and anything downstream inspecting session.state (e.g.
// scheduleSessionDestroy's expiresAfterMins branch in Session.ts) would
// see a crashed session mis-reported as successful.
if ((session.state as SessionState) !== SessionState.failed) {
session.state = SessionState.completed
}
const resultParts = [] const resultParts = []
+2 -11
View File
@@ -48,17 +48,8 @@ export const processProgram = async (
await createFile(codePath + '.bkp', program) await createFile(codePath + '.bkp', program)
await moveFile(codePath + '.bkp', codePath) await moveFile(codePath + '.bkp', codePath)
// we now need to poll the session status. A failed session (e.g. from // we now need to poll the session status
// %abort;) is not a request-shape/server problem - it's a normal while (session.state !== SessionState.completed) {
// outcome of running arbitrary user code, same as a SAS ERROR: in the
// log without %abort;. So we just stop polling rather than throwing;
// Execution.ts already knows how to turn session.failureReason into a
// 200 response with the log embedded, matching how JS/PY/R (the else
// branch below) has always handled a failed session.
while (
session.state !== SessionState.completed &&
session.state !== SessionState.failed
) {
await delay(50) await delay(50)
} }
} else { } else {
@@ -1,126 +0,0 @@
import path from 'path'
import os from 'os'
import { createFile, deleteFolder, generateTimestamp } from '@sasjs/utils'
import * as ProcessProgramModule from '../processProgram'
import { ExecutionController } from '../Execution'
import { Session, SessionState, PreProgramVars } from '../../../types'
import { RunTimeType } from '../../../utils'
const preProgramVariables: PreProgramVars = {
username: 'testUser',
userId: 1,
displayName: 'Test User',
serverUrl: 'http://localhost:5000',
httpHeaders: []
}
describe('ExecutionController.executeProgram', () => {
let session: Session
beforeEach(() => {
const sessionId = `test-session-${generateTimestamp()}`
session = {
id: sessionId,
state: SessionState.pending,
creationTimeStamp: '0',
deathTimeStamp: '0',
path: path.join(os.tmpdir(), sessionId)
}
})
afterEach(async () => {
jest.restoreAllMocks()
await deleteFolder(session.path)
})
// Regression coverage: for JS/PY/R, processProgram sets session.state to
// `failed` itself (without throwing) on a non-zero interpreter exit.
// ExecutionController.executeProgram used to unconditionally overwrite
// that back to `completed` right after processProgram returned, silently
// losing the failure for anything downstream that inspects session.state.
describe('JS/PY/R failure path', () => {
it('does not overwrite a failed session state back to completed', async () => {
// mirrors processProgram's real JS/PY/R branch on a non-zero exit:
// it sets state/failureReason itself and resolves - it does not throw
jest
.spyOn(ProcessProgramModule, 'processProgram')
.mockImplementation(async () => {
session.state = SessionState.failed
session.failureReason = 'Error: process exited with code 1'
})
const controller = new ExecutionController()
await controller.executeProgram({
program: 'throw new Error("boom")',
preProgramVariables,
vars: {},
session,
runTime: RunTimeType.JS
})
expect(session.state).toBe(SessionState.failed)
})
it('still marks a genuinely successful session as completed', async () => {
jest
.spyOn(ProcessProgramModule, 'processProgram')
.mockImplementation(async () => {
session.state = SessionState.completed
})
const controller = new ExecutionController()
await controller.executeProgram({
program: 'console.log("hello")',
preProgramVariables,
vars: {},
session,
runTime: RunTimeType.JS
})
expect(session.state).toBe(SessionState.completed)
})
})
// A failed SAS session (e.g. from %abort;) is a normal outcome of
// running arbitrary user code, not a request-shape/server problem - the
// same way a plain SAS ERROR: in the log (without %abort;) already
// returns 200 with the log embedded. This mirrors the JS/PY/R failure
// path above: resolve normally, don't throw, and let the existing
// session.failureReason check below produce the same result shape as a
// successful run.
describe('SAS failure path', () => {
it('returns the complete log embedded in a normal result instead of throwing, when the session fails', async () => {
const logPath = path.join(session.path, 'log.log')
const logContent =
'NOTE: SAS session\nERROR: SAS session terminated. See log for details.\n'
await createFile(logPath, logContent)
jest
.spyOn(ProcessProgramModule, 'processProgram')
.mockImplementation(async () => {
// mirrors the real SAS branch after the fix: sets
// state/failureReason and resolves, exactly like the JS/PY/R
// branch already does - it does not throw
session.state = SessionState.failed
session.failureReason =
'ERROR: SAS session terminated. See log for details.'
})
const controller = new ExecutionController()
const { result } = await controller.executeProgram({
program: '%abort;',
preProgramVariables,
vars: {},
session,
runTime: RunTimeType.SAS
})
expect(session.state).toBe(SessionState.failed)
expect(result).toEqual(expect.stringContaining(logContent))
})
})
})
@@ -1,115 +0,0 @@
import path from 'path'
import os from 'os'
import { createFile, deleteFolder, generateTimestamp } from '@sasjs/utils'
import { processProgram } from '../processProgram'
import { Session, SessionState, PreProgramVars } from '../../../types'
import {
RunTimeType,
getSessionsFolder,
generateUniqueFileName
} from '../../../utils'
const preProgramVariables: PreProgramVars = {
username: 'testUser',
userId: 1,
displayName: 'Test User',
serverUrl: 'http://localhost:5000',
httpHeaders: []
}
const makeSession = (): Session => {
const sessionId = generateUniqueFileName(generateTimestamp())
const sessionFolder = path.join(getSessionsFolder(), sessionId)
const creationTimeStamp = sessionId.split('-').pop() as string
const deathTimeStamp = (
parseInt(creationTimeStamp) +
15 * 60 * 1000 -
1000
).toString()
return {
id: sessionId,
state: SessionState.running,
creationTimeStamp,
deathTimeStamp,
path: sessionFolder
}
}
describe('processProgram (SAS runtime)', () => {
let session: Session
let logPath: string
let weboutPath: string
let headersPath: string
let tokenFile: string
beforeAll(() => {
const root = path.join(
os.tmpdir(),
`sasjs-processProgram-spec-${generateTimestamp()}`
)
process.sasjsRoot = root
process.driveLoc = path.join(root, 'drive')
})
beforeEach(async () => {
session = makeSession()
logPath = path.join(session.path, 'log.log')
weboutPath = path.join(session.path, 'webout.txt')
headersPath = path.join(session.path, 'stpsrv_header.txt')
tokenFile = path.join(session.path, 'reqHeaders.txt')
await createFile(weboutPath, '')
})
afterEach(async () => {
await deleteFolder(session.path)
})
it('resolves instead of hanging when the session fails (e.g. %abort;)', async () => {
// mirrors the JS/PY/R branch below: a session failure is a normal
// outcome of running arbitrary user code (like a SAS ERROR: in the
// log without %abort;), not a server-side/request-shape problem - so
// processProgram must not throw here, just stop polling. Execution.ts
// is responsible for turning session.failureReason into a 200 response
// with the log embedded, the same way it already does for JS/PY/R.
setTimeout(() => {
session.state = SessionState.failed
session.failureReason =
'ERROR: SAS session terminated. See log for details.'
}, 100)
await expect(
processProgram(
'%abort;',
preProgramVariables,
{},
session,
weboutPath,
headersPath,
tokenFile,
RunTimeType.SAS,
logPath
)
).resolves.toBeUndefined()
}, 3000)
it('resolves without throwing when the session completes normally', async () => {
setTimeout(() => {
session.state = SessionState.completed
}, 100)
await expect(
processProgram(
'%put hello world;',
preProgramVariables,
{},
session,
weboutPath,
headersPath,
tokenFile,
RunTimeType.SAS,
logPath
)
).resolves.toBeUndefined()
}, 3000)
})
+2 -5
View File
@@ -106,10 +106,7 @@ const login = async (
const rateLimiter = RateLimiter.getInstance() const rateLimiter = RateLimiter.getInstance()
if (!validPass) { if (!validPass) {
const retrySecs = await rateLimiter.consume( const retrySecs = await rateLimiter.consume(req.ip, user?.username)
req.ip || 'unknown',
user?.username
)
if (retrySecs > 0) throw errors.tooManyRequests(retrySecs) if (retrySecs > 0) throw errors.tooManyRequests(retrySecs)
} }
@@ -117,7 +114,7 @@ const login = async (
if (!validPass) throw errors.invalidPassword if (!validPass) throw errors.invalidPassword
// Reset on successful authorization // Reset on successful authorization
rateLimiter.resetOnSuccess(req.ip || 'unknown', user.username) rateLimiter.resetOnSuccess(req.ip, user.username)
req.session.loggedIn = true req.session.loggedIn = true
req.session.user = { req.session.user = {
+3 -3
View File
@@ -37,10 +37,10 @@ export const authenticateAccessToken: RequestHandler = async (
if (user.isActive) { if (user.isActive) {
req.user = user req.user = user
return csrfProtection(req, res, nextFunction) return csrfProtection(req, res, nextFunction)
} else return res.status(401).send('Unauthorized') } else return res.sendStatus(401)
} }
} }
return res.status(401).send('Unauthorized') return res.sendStatus(401)
} }
await authenticateToken( await authenticateToken(
@@ -118,6 +118,6 @@ const authenticateToken = async (
return next() return next()
} }
res.status(401).send('Unauthorized') res.sendStatus(401)
} }
} }
+1 -1
View File
@@ -3,7 +3,7 @@ import { convertSecondsToHms } from '@sasjs/utils'
import { RateLimiter } from '../utils' import { RateLimiter } from '../utils'
export const bruteForceProtection: RequestHandler = async (req, res, next) => { export const bruteForceProtection: RequestHandler = async (req, res, next) => {
const ip = req.ip || 'unknown' const ip = req.ip
const username = req.body.username const username = req.body.username
const rateLimiter = RateLimiter.getInstance() const rateLimiter = RateLimiter.getInstance()
-138
View File
@@ -1,138 +0,0 @@
import path from 'path'
import { createFile, fileExists } from '@sasjs/utils'
import { Express } from 'express'
import mongoose, { Mongoose } from 'mongoose'
import { MongoMemoryServer } from 'mongodb-memory-server'
import request from 'supertest'
import {
UserController,
PermissionController,
PermissionType,
PermissionSettingForRoute,
PrincipalType
} from '../../../controllers/'
import {
generateAccessToken,
saveTokensInDB,
RunTimeType,
sysInitCompiledPath
} from '../../../utils'
// Real, unmocked end-to-end test of the SAS execution pipeline (session
// spawn -> autoexec handshake -> exit code -> HTTP response), using a fake
// "SAS executable" (mockSas.js) in place of a real SAS install. This is the
// regression test for issue #388: SAS code that aborts (%abort;) used to
// hang the request forever instead of returning an error response.
const mockSasPath = path.join(__dirname, 'files', 'mockSas.js')
const clientId = 'codeSpecClientID'
const user = {
displayName: 'Code Spec User',
username: 'codeSpecUsername',
password: '87654321',
isAdmin: false,
isActive: true
}
let app: Express
let accessToken: string
describe('code', () => {
let con: Mongoose
let mongoServer: MongoMemoryServer
let userController: UserController
let permissionController: PermissionController
beforeAll(async () => {
// SASSessionController.createSession() unconditionally reads this file
// (Session.ts:105) before it ever spawns the SAS process. It's normally
// produced by `npm run compileSysInit` (part of the `initial`/`build`
// scripts), which `npm test` does not run - so on a fresh checkout
// (e.g. CI, where "Run Unit Tests" happens before "Build Package") it
// doesn't exist yet. Content is irrelevant here since mockSas.js never
// interprets it; it just needs to exist and be readable.
if (!(await fileExists(sysInitCompiledPath))) {
await createFile(sysInitCompiledPath, '')
}
mongoServer = await MongoMemoryServer.create()
process.env.DB_CONNECT = mongoServer.getUri()
process.env.MODE = 'server'
process.env.RUN_TIMES = 'sas'
process.env.SAS_PATH = mockSasPath
const appPromise = (await import('../../../app')).default
app = await appPromise
con = await mongoose.connect(mongoServer.getUri())
userController = new UserController()
permissionController = new PermissionController()
const dbUser = await userController.createUser(user)
accessToken = await generateAndSaveToken(dbUser.id)
await permissionController.createPermission({
path: '/SASjsApi/code/execute',
type: PermissionType.route,
principalType: PrincipalType.user,
principalId: dbUser.id,
setting: PermissionSettingForRoute.grant
})
process.runTimes = [RunTimeType.SAS]
process.sasLoc = mockSasPath
}, 30000)
afterAll(async () => {
await con.connection.dropDatabase()
await con.connection.close()
await mongoServer.stop()
})
describe('execute', () => {
it('returns 200 with the mock log when the SAS program completes normally', async () => {
const response = await request(app)
.post('/SASjsApi/code/execute')
.auth(accessToken, { type: 'bearer' })
.send({ code: '%put hello world;', runTime: 'sas' })
.expect(200)
expect(response.text).toEqual(
expect.stringContaining('mock SAS execution')
)
}, 30000)
// A failed SAS session (e.g. %abort;) is a normal outcome of running
// arbitrary user code, not a request-shape/server problem - the HTTP
// request itself was fine, so this must respond exactly like a
// successful run (200, same body shape, no hang), with the log simply
// reflecting what happened. Regression test for #388's follow-up: the
// original #388 fix stopped the hang but over-corrected into a 400
// with a bespoke error shape, which broke Studio's log-tab rendering.
it('returns 200 with the same shape as a successful run when the SAS session fails (%abort;), not a hang or an error shape', async () => {
const response = await request(app)
.post('/SASjsApi/code/execute')
.auth(accessToken, { type: 'bearer' })
.send({ code: '%abort;', runTime: 'sas' })
.expect(200)
expect(response.text).toEqual(
expect.stringContaining('mock SAS execution')
)
expect(response.text).toEqual(
expect.stringContaining('SAS session terminated')
)
}, 30000)
})
})
const generateAndSaveToken = async (userId: number) => {
const accessToken = generateAccessToken({
clientId,
userId
})
await saveTokensInDB(userId, clientId, accessToken, 'refreshToken')
return accessToken
}
-9
View File
@@ -28,15 +28,6 @@ jest
.spyOn(fileUtilModules, 'getUploadsFolder') .spyOn(fileUtilModules, 'getUploadsFolder')
.mockImplementation(() => path.join(tmpFolder, 'uploads')) .mockImplementation(() => path.join(tmpFolder, 'uploads'))
// getFilesFolder() resolves via getSasjsDriveFolder()/process.driveLoc, a
// separate root from getSasjsRootFolder()/process.sasjsRoot above - without
// this, every test in this file that creates content under the drive (e.g.
// 'level1', 'my/path/...') writes into the real, shared sasjs_root/drive
// instead of this run's isolated tmpFolder, leaking state into later runs.
jest
.spyOn(fileUtilModules, 'getFilesFolder')
.mockImplementation(() => path.join(tmpFolder, 'drive', 'files'))
import appPromise from '../../../app' import appPromise from '../../../app'
import { import {
UserController, UserController,
-113
View File
@@ -1,113 +0,0 @@
#!/usr/bin/env node
// Minimal fake "SAS executable" used by tests in place of a real SAS
// install. It only fulfils the CLI/filesystem handshake contract that
// Session.ts / processProgram.ts rely on:
//
// -SYSIN <path> the file used as a signal channel: it starts out
// containing a dummy (empty) placeholder, we delete it
// to signal "session ready", then wait for it to be
// rewritten with the real submitted program.
// -LOG <path> where we write a fake log so downstream fileExists()/
// readFile() calls have something to find.
//
// It does NOT interpret real SAS syntax. Exit code is the only thing that
// matters to the Node side: 0 mimics a normal SAS termination, non-zero
// mimics an abnormal one (e.g. %abort;).
const fs = require('fs')
const arg = (flag) => {
const idx = process.argv.indexOf(flag)
return idx === -1 ? undefined : process.argv[idx + 1]
}
const sysin = arg('-SYSIN')
const logPath = arg('-LOG')
// Give up waiting for the real program after this long, so an unused
// pre-warmed session (sasjs pools up to 3 ready sessions) doesn't linger
// forever and keep a test process alive. Generous rather than tight: CI
// runners are frequently slower/more contended than a local dev machine
// (shared CPU, coverage instrumentation on the Node side slowing down the
// round trip this process is waiting on), and this cost is only ever paid
// by sessions nothing is actually waiting on - the session actually used
// by a request gets its real code written far sooner than this in practice.
const GIVE_UP_AFTER_MS = 8000
const sleepSync = (ms) => {
const until = Date.now() + ms
while (Date.now() < until) {
/* busy-wait, mirroring the real autoexec's SAS-side sleep() loop */
}
}
// Any of the filesystem calls below can legitimately race against
// processProgram's own write-then-rename (e.g. existsSync sees the file,
// then a rename mid-flight makes the following read miss). Treat that as
// "not ready yet" and retry a few times, rather than letting an uncaught
// exception crash this process with a non-zero exit - which would be
// indistinguishable, to the Node side, from a genuine SAS failure.
const retry = (fn, attempts = 5, delayMs = 20) => {
for (let i = 0; i < attempts; i++) {
try {
return { ok: true, value: fn() }
} catch (err) {
if (i === attempts - 1) return { ok: false, error: err }
sleepSync(delayMs)
}
}
}
// 1. remove the dummy SYSIN, signalling "session ready" to waitForSession()
if (sysin) {
retry(() => {
if (fs.existsSync(sysin)) fs.unlinkSync(sysin)
})
}
// 2. wait for the real program to be written back to the same path
const deadline = Date.now() + GIVE_UP_AFTER_MS
while (!sysin || !fs.existsSync(sysin)) {
if (Date.now() > deadline) process.exit(0)
sleepSync(10)
}
// small settle delay, mirroring the real autoexec's sleep(0.01,1) after
// detecting the file, so a fast-moving rename isn't read mid-write
sleepSync(50)
const readResult = retry(() => fs.readFileSync(sysin, 'utf-8'))
if (!readResult.ok) {
process.stderr.write(
`mockSas.js: failed to read ${sysin}: ${readResult.error}\n`
)
process.exit(1)
}
const code = readResult.value
// real SAS writes errors/aborts directly into the log file itself, not
// just to stderr - mirror that so tests asserting on log content (what
// the API actually returns to the caller) are meaningful
const isAbort = code.includes('%abort;')
const logContent = isAbort
? `NOTE: mock SAS execution\n${code}\nERROR: SAS session terminated. See log for details.\n`
: `NOTE: mock SAS execution\n${code}\n`
if (logPath) {
retry(() => fs.writeFileSync(logPath, logContent))
}
if (isAbort) {
process.stderr.write('ERROR: SAS session terminated. See log for details.\n')
process.exit(1)
}
process.exit(0)
+1 -4
View File
@@ -277,10 +277,7 @@ const performLogin = async (
.set('x-xsrf-token', csrfToken) .set('x-xsrf-token', csrfToken)
.send(credentials) .send(credentials)
return { return { authCookies: header['set-cookie'].join() }
authCookies:
(header['set-cookie'] as unknown as string[] | undefined)?.join() || ''
}
} }
const extractCSRF = (text: string) => const extractCSRF = (text: string) =>
+1 -3
View File
@@ -1,6 +1,5 @@
import jwt from 'jsonwebtoken' import jwt from 'jsonwebtoken'
import User from '../model/User' import User from '../model/User'
import { InfoJWT } from '../types/InfoJWT'
const isValidToken = async ( const isValidToken = async (
token: string, token: string,
@@ -12,8 +11,7 @@ const isValidToken = async (
jwt.verify(token, key, (err, decoded) => { jwt.verify(token, key, (err, decoded) => {
if (err) return reject(false) if (err) return reject(false)
const payload = decoded as InfoJWT if (decoded?.userId === userId && decoded?.clientId === clientId) {
if (payload?.userId === userId && payload?.clientId === clientId) {
return resolve(true) return resolve(true)
} }
+5661 -631
View File
File diff suppressed because it is too large Load Diff
+1290 -1435
View File
File diff suppressed because it is too large Load Diff
+5 -7
View File
@@ -4,9 +4,7 @@
"private": true, "private": true,
"scripts": { "scripts": {
"start": "webpack-dev-server --config webpack.dev.ts --hot", "start": "webpack-dev-server --config webpack.dev.ts --hot",
"build": "webpack --config webpack.prod.ts", "build": "webpack --config webpack.prod.ts"
"lint": "npx prettier --check \"src/**/*.{ts,tsx,js,jsx,html,css,sass,less,yml,md,graphql}\"",
"lint:fix": "npx prettier --write \"src/**/*.{ts,tsx,js,jsx,html,css,sass,less,yml,md,graphql}\""
}, },
"dependencies": { "dependencies": {
"@emotion/react": "^11.4.1", "@emotion/react": "^11.4.1",
@@ -21,8 +19,9 @@
"@types/jest": "^26.0.24", "@types/jest": "^26.0.24",
"@types/node": "^12.20.28", "@types/node": "^12.20.28",
"@types/react": "^17.0.27", "@types/react": "^17.0.27",
"axios": "1.12.2", "axios": "^1.12.2",
"monaco-editor": "^0.33.0", "monaco-editor": "^0.33.0",
"monaco-editor-webpack-plugin": "^7.0.1",
"react": "^17.0.2", "react": "^17.0.2",
"react-copy-to-clipboard": "^5.1.0", "react-copy-to-clipboard": "^5.1.0",
"react-dom": "^17.0.2", "react-dom": "^17.0.2",
@@ -55,16 +54,15 @@
"eslint-webpack-plugin": "^3.1.1", "eslint-webpack-plugin": "^3.1.1",
"file-loader": "^6.2.0", "file-loader": "^6.2.0",
"html-webpack-plugin": "5.5.0", "html-webpack-plugin": "5.5.0",
"monaco-editor-webpack-plugin": "^7.0.1",
"path": "0.12.7", "path": "0.12.7",
"prettier": "^3.0.3", "prettier": "^2.4.1",
"sass": "^1.44.0", "sass": "^1.44.0",
"sass-loader": "^12.3.0", "sass-loader": "^12.3.0",
"style-loader": "^3.3.1", "style-loader": "^3.3.1",
"ts-loader": "^9.2.6", "ts-loader": "^9.2.6",
"typescript": "^4.5.2", "typescript": "^4.5.2",
"typescript-plugin-css-modules": "^5.0.1", "typescript-plugin-css-modules": "^5.0.1",
"webpack": "5.64.3", "webpack": "^5.101.3",
"webpack-cli": "^4.9.2", "webpack-cli": "^4.9.2",
"webpack-dev-server": "4.7.4" "webpack-dev-server": "4.7.4"
}, },