if pnpm is unavailable in husky hook - fallback to dockerized lint

Author: AlexBlokh

.husky/pre-commit

@@ -1 +1,6 @@
-pnpm lint-staged
+if command -v pnpm >/dev/null 2>&1; then
+  pnpm lint-staged
+else
+  echo "pnpm unavailable, trying via docker..."
+  sh ./compose/lint.sh
+fi

compose/lint.sh

@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Always run from repo root
+PROJECT_ROOT="$(git rev-parse --show-toplevel)"
+cd "$PROJECT_ROOT"
+
+# Name of the pnpm store volume used as cache between runs
+PNPM_STORE_VOLUME="pnpm-store"
+PNPM_COREPACK_CACHE_VOLUME="pnpm-corepack-cache"
+
+docker run --rm \
+  -e CI=1 \
+  -v "$PROJECT_ROOT":/src:ro \
+  -v "${PNPM_STORE_VOLUME}":/pnpm/store \
+  -v "${PNPM_COREPACK_CACHE_VOLUME}":/root/.cache \
+  node:24-alpine \
+  sh -lc '
+    set -euo pipefail
+
+    # 1) Create a throwaway working dir inside container
+    APP_DIR="$(mktemp -d)"
+    
+    tar \
+      --exclude="node_modules" \
+      --exclude="*/node_modules" \
+      --exclude=".git" \
+      --exclude=".turbo" \
+      --exclude=".pnpm-store" \
+      --exclude="dist" \
+      --exclude="*/dist" \
+      --exclude="coverage" \
+      -C /src \
+      -cf - . \
+      | tar -C "$APP_DIR" -xf -
+    
+    cd "$APP_DIR"
+
+    export PNPM_HOME=/pnpm
+    export PNPM_STORE_DIR=/pnpm/store
+    export PATH="$PNPM_HOME:$PATH"
+
+    corepack enable pnpm
+
+    pnpm install \
+      --frozen-lockfile \
+      --prefer-offline \
+      --ignore-scripts \
+      --filter .
+
+    pnpm lint
+  '