pkg/compute/pack: implement pack subcommand

pkg/app/run.go

@@ -138,6 +138,7 @@ func Run(args []string, env config.Environment, file config.File, configFilePath
 	computeBuild := compute.NewBuildCommand(computeRoot.CmdClause, httpClient, &globals)
 	computeDeploy := compute.NewDeployCommand(computeRoot.CmdClause, httpClient, &globals)
 	computePublish := compute.NewPublishCommand(computeRoot.CmdClause, &globals, computeBuild, computeDeploy)
+	computePack := compute.NewPackCommand(computeRoot.CmdClause, &globals)
 	computeUpdate := compute.NewUpdateCommand(computeRoot.CmdClause, httpClient, &globals)
 	computeValidate := compute.NewValidateCommand(computeRoot.CmdClause, &globals)
 
@@ -389,6 +390,7 @@ func Run(args []string, env config.Environment, file config.File, configFilePath
 		computeBuild,
 		computeDeploy,
 		computePublish,
+		computePack,
 		computeUpdate,
 		computeValidate,
 

pkg/app/run_test.go

@@ -322,6 +322,11 @@ COMMANDS
         --backend-port=BACKEND-PORT
                                  A port number for the package backend
 
+  compute pack --path=PATH
+    Package a pre-compiled Wasm binary for a Fastly Compute@Edge service
+
+    -p, --path=PATH  Path to a pre-compiled Wasm binary
+
   compute update --service-id=SERVICE-ID --version=VERSION --path=PATH
     Update a package on a Fastly Compute@Edge service version
 

pkg/compute/assemblyscript.go

@@ -14,7 +14,7 @@ import (
 	"github.com/fastly/cli/pkg/text"
 )
 
-// AssemblyScript implements Toolchain for the AssemblyScript language.
+// AssemblyScript implements a Toolchain for the AssemblyScript language.
 type AssemblyScript struct{}
 
 // NewAssemblyScript constructs a new AssemblyScript.