fix(SXMC-198): Fix goflow compiler error

.github/workflows/go-test.yml

@@ -40,7 +40,7 @@ jobs:
       - name: Lint
         uses: golangci/golangci-lint-action@v3
         with:
-          version: v1.47.2
+          version: v1.58.0
       - name: Check diffs
         # --name-only first for debugging
         run: git diff --name-only && git diff --quiet

checkers/unused/check.go

@@ -16,8 +16,8 @@ func (e Error) Error() string {
 }
 
 // Check checks that all nodes are used in one way or another:
-// 	- have only one error output
-//	- are used explicitly
+//   - have only one error output
+//   - are used explicitly
 func Check(graph goflow.GraphRenderer) error {
 	nodes := graph.Nodes()
 

example/generator/main.go

@@ -5,7 +5,6 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path"
 	"sort"
@@ -111,7 +110,7 @@ func main() {
 			continue
 		}
 
-		if err := ioutil.WriteFile(generatedFilename, buf.Bytes(), 0o600); err != nil {
+		if err := os.WriteFile(generatedFilename, buf.Bytes(), 0o600); err != nil {
 			genErrs = append(genErrs, err)
 		}
 
@@ -131,7 +130,7 @@ func main() {
 		return n1 <= n2
 	})
 	handleErr(json.NewEncoder(&buf).Encode(nodes))
-	handleErr(ioutil.WriteFile("nodes.json", buf.Bytes(), 0o600))
+	handleErr(os.WriteFile("nodes.json", buf.Bytes(), 0o600))
 
 	var graphLoader gfgo.NodeLoader
 	err = graphLoader.Load(
@@ -153,7 +152,7 @@ func main() {
 	err = goWriter.Flush()
 	handleErr(err)
 
-	err = ioutil.WriteFile(pgFilename, buf.Bytes(), 0o600)
+	err = os.WriteFile(pgFilename, buf.Bytes(), 0o600)
 	handleErr(err)
 }
 

gfutil/find.go

@@ -1,13 +1,13 @@
 package gfutil
 
 import (
-	"io/ioutil"
+	"os"
 	"path"
 	"strings"
 )
 
 func FindGraphFileNames(dir string) ([]string, error) {
-	files, err := ioutil.ReadDir(dir)
+	files, err := os.ReadDir(dir)
 	if err != nil {
 		return nil, err
 	}

gfutil/gfgo/nodes.go

@@ -406,7 +406,8 @@ func getDocFromPackage(pkg *packages.Package, pos token.Pos) string {
 
 // parseTypesDoc hacks the thing by grabbing info of types using doc.
 // TODO: review all this and improve if possible...
-//       shall we try with https://pkg.go.dev/go/ast?tab=doc#CommentGroup maybe?
+//
+//	shall we try with https://pkg.go.dev/go/ast?tab=doc#CommentGroup maybe?
 func parseTypesDoc(pkg *packages.Package) (map[string]string, error) {
 	if len(pkg.GoFiles) == 0 {
 		return nil, nil

run.go

@@ -2,7 +2,6 @@ package goflow
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path"
 	"strings"
@@ -15,7 +14,7 @@ import (
 //
 // It also logs the time taken since start, because why not.
 func WriteFile(content, filename string, start time.Time) error {
-	before, err := ioutil.ReadFile(filename)
+	before, err := os.ReadFile(filename)
 	if err != nil && !os.IsNotExist(err) {
 		return err
 	}
@@ -46,7 +45,7 @@ func WriteFile(content, filename string, start time.Time) error {
 }
 
 func FindGraphFileNames(dir string) ([]string, error) {
-	files, err := ioutil.ReadDir(dir)
+	files, err := os.ReadDir(dir)
 	if err != nil {
 		return nil, err
 	}

wrapper.go

@@ -8,6 +8,7 @@ package goflow
 //   - NodeWrapper
 //   - Linter
 //   - Checker
+//
 // goflow provides functions to use those simpler types as GraphWrappers.
 type GraphWrapper func(unmarshal func(interface{}) error, graph GraphRenderer) (GraphRenderer, error)
 

wrappers/mockingjay/mockingjay.go

@@ -31,8 +31,8 @@ func WithMock(ctx context.Context, nodeID string, values ...interface{}) context
 //
 // The WithMock helper function is provided to make it easier to mock  node:
 //
-//     ctx := mockingjay.WithMock(ctx, "myNode", 42)
-//     graph.Run(ctx, ...)
+//	ctx := mockingjay.WithMock(ctx, "myNode", 42)
+//	graph.Run(ctx, ...)
 func Mock(_ func(interface{}) error, node goflow.NodeRenderer) (goflow.NodeRenderer, error) {
 	return mocker{
 		NodeRenderer: ctx.Injector{

wrappers/mockingjay/mockingjay.yml

@@ -11,5 +11,12 @@ nodes:
       a: inputs.a
       b: inputs.b
 
+  - id: print
+    type: nodes.PrinterCtx
+    bind:
+      values:
+        - '"sum"'
+        - add.sum
+
 outputs:
   sum: add.sum