Remove prune-juice and unused Cabal dependencies (#3929)

Author: cprecioso

waspc/dev-tool.project

@@ -9,8 +9,7 @@ constraints:
   cabal-gild ==1.5.0.1,
   ormolu ==0.7.2.0,
   stan ==0.2.1.0,
-  hlint ==3.6.1,
-  prune-juice ==0.7
+  hlint ==3.6.1
 
 -- See cabal.project.
 index-state: 2025-11-01T14:29:27Z

waspc/run

@@ -100,7 +100,6 @@ function dev_tool_path() {
 }
 STAN_CMD="$BUILD_HS_FULL_CMD && $(install_dev_tool stan) && $(dev_tool_path stan) report ${ARGS[@]}"
 HLINT_CMD="$(install_dev_tool hlint) && $(dev_tool_path hlint) . ${ARGS[@]}"
-PRUNE_JUICE_CMD="$(install_dev_tool prune-juice) && $(dev_tool_path prune-juice) ${ARGS[@]}"
 PRETTIER_CHECK_CMD="(cd .. && npm ci && npm run check:prettier)"
 PRETTIER_FORMAT_CMD="(cd .. && npm ci && npm run format:prettier)"
 ORMOLU_BASE_CMD="$(install_dev_tool ormolu) && $(dev_tool_path ormolu) --color always --check-idempotence"
@@ -192,8 +191,6 @@ print_usage() {
     "Runs static code analysis on the code, generating stan.html. Builds the project first if needed."
   print_usage_cmd "hlint <args>" \
     "Runs linter on the codebase."
-  print_usage_cmd "prune-juice <args>" \
-    "Runs prune-juice on the codebase, which detects unused dependencies."
   print_usage_cmd "format" \
     "Runs all code formatters (ormolu, cabal-gild, prettier) and formats the code in place."
   print_usage_cmd "check" \
@@ -307,9 +304,6 @@ case $COMMAND in
   hlint)
     echo_and_eval "$HLINT_CMD"
     ;;
-  prune-juice)
-    echo_and_eval "$PRUNE_JUICE_CMD"
-    ;;
   format)
     echo_and_eval "$ORMOLU_FORMAT_CMD"
     echo_and_eval "$CABAL_GILD_FORMAT_CMD"

waspc/waspc.cabal

@@ -90,6 +90,7 @@ common common-all
     -- -fwrite-ide-info and -hiedir=.hie tell GHC to write compile-time information about the code
     -- to .hie directory. This information can then be used by other tools, e.g. stan (static analyzer).
     -Wall
+    -Wunused-packages
     -optP-Wno-nonportable-include-path
     -fwrite-ide-info
     -hiedir=.hie
@@ -136,15 +137,12 @@ library
     conduit-extra ^>=1.3.7,
     containers ^>=0.6.7,
     cryptohash-sha256 ^>=0.11.102,
-    cryptonite ^>=0.30,
     deepseq ^>=1.4.8,
-    dir-traverse ^>=0.2.3,
     directory ^>=1.3.8,
     dotenv ^>=0.11.0,
     exceptions ^>=0.10.7,
     extra ^>=1.7.16,
     filepath ^>=1.4.301,
-    fsnotify ^>=0.4.2,
     http-conduit ^>=2.3.9,
     http-types ^>=0.12.4,
     megaparsec ^>=9.5.0,
@@ -158,7 +156,6 @@ library
     pretty-simple ^>=4.1.3,
     process ^>=1.6.19,
     regex-tdfa ^>=1.3.2,
-    selective ^>=0.7.0,
     split ^>=0.2.5,
     strong-path ^>=1.2.0,
     template-haskell ^>=2.20.0,
@@ -167,7 +164,6 @@ library
     unliftio ^>=0.2.25,
     unordered-containers ^>=0.2.20,
     utf8-string ^>=1.0.2,
-    uuid ^>=1.3.15,
     validation-selective ^>=0.2.0,
 
   other-modules: Paths_waspc
@@ -515,11 +511,9 @@ library waspls
     -- NOTE: We're not keeping lsp and lsp-types up to date since it's too much
     -- work and we plan to deprecate the DSL and Wasp LSP soon.
     aeson,
-    aeson-pretty,
     async,
     base,
     data-default ^>=0.7.1,
-    deepseq,
     directory,
     filepath,
     hashable ^>=1.4.7,
@@ -537,7 +531,6 @@ library waspls
     transformers ^>=0.6.1,
     unliftio-core,
     unordered-containers,
-    utf8-string,
     waspc,
 
 library cli-lib
@@ -550,31 +543,26 @@ library cli-lib
     base,
     bytestring,
     containers,
-    cryptonite,
+    cryptonite ^>=0.30,
     directory,
     exceptions,
     filepath,
-    fsnotify,
+    fsnotify ^>=0.4.2,
     http-conduit,
-    http-types,
     lens,
     lens-aeson ^>=1.2.3,
     mtl,
     neat-interpolation,
     optparse-applicative ^>=0.18.1,
-    path,
     path-io,
-    pretty-simple,
     process,
     strong-path,
     tar ^>=0.6.3,
     temporary ^>=1.3,
     text,
     time,
-    unliftio,
-    unordered-containers,
     utf8-string,
-    uuid,
+    uuid ^>=1.3.15,
     waspc,
     waspls,
     zlib ^>=0.7.1,
@@ -680,7 +668,6 @@ test-suite waspc-tests
     megaparsec,
     mtl,
     neat-interpolation,
-    parsec,
     path,
     split,
     strong-path,
@@ -777,7 +764,6 @@ test-suite waspls-tests
     filepath,
     hspec,
     lens,
-    lsp,
     lsp-types,
     mtl,
     tasty,
@@ -803,12 +789,9 @@ test-suite wasp-cli-tests
     QuickCheck,
     base,
     cli-lib,
-    containers,
-    generic-arbitrary,
     hspec,
     tasty,
     tasty-hspec,
-    tasty-quickcheck,
     time,
     waspc,
 
@@ -833,7 +816,7 @@ test-suite waspc-e2e-tests
     base,
     base64-bytestring,
     bytestring,
-    dir-traverse,
+    dir-traverse ^>=0.2.3,
     directory,
     filepath,
     hspec,