Generate the browser contract from ProductApi

nuthatch.cabal

@@ -9,6 +9,10 @@ category:           Network
 build-type:         Simple
 extra-source-files:
   sql/001_initial_schema.sql
+  web/src/generated/contract.ts
+  web/src/transport.ts
+  web/test/contract-integration.mjs
+  web/test/fixtures/contract.json
 
 common shared
   default-language:   Haskell2010
@@ -106,6 +110,7 @@ library
     Nuthatch.Config
     Nuthatch.Db
     Nuthatch.Http.Auth
+    Nuthatch.Http.Contract
     Nuthatch.Http.Error
     Nuthatch.Http.Server
     Nuthatch.Mutation.Effects
@@ -136,6 +141,27 @@ executable nuthatch
     -rtsopts
     -with-rtsopts=-N
 
+executable nuthatch-generate-web-contract
+  import:         shared
+  main-is:        GenerateContract.hs
+  hs-source-dirs: app
+  build-depends:
+    , nuthatch
+    , base
+
+executable nuthatch-web-contract-integration
+  import:         shared
+  main-is:        WebContractIntegration.hs
+  hs-source-dirs: test
+  build-depends:
+    , nuthatch
+    , base
+    , bytestring
+    , process
+    , text
+  ghc-options:
+    -threaded
+
 executable nuthatch-storage-integration
   import:         shared
   main-is:        Integration.hs
@@ -381,6 +407,7 @@ test-suite nuthatch-unit
   other-modules:
     Nuthatch.Test.Config
     Nuthatch.Test.Http
+    Nuthatch.Test.HttpContract
     Nuthatch.Test.Identity
     Nuthatch.Test.Oidc
     Nuthatch.Test.Path