Refactor multisource plugin to use directive framework

go/go.mod

@@ -2,4 +2,8 @@ module github.com/jsonicjs/multisource/go
 
 go 1.24.7
 
-require github.com/jsonicjs/jsonic/go v0.1.4
+require (
+	github.com/jsonicjs/directive/go v0.1.0
+	github.com/jsonicjs/jsonic/go v0.1.4
+	github.com/jsonicjs/path/go v0.1.0
+)

go/go.sum

@@ -1,2 +1,6 @@
+github.com/jsonicjs/directive/go v0.1.0 h1:ajPq4SJ/iShncaO+rMVSpNEMKbQhZxMGUxRkf42epyY=
+github.com/jsonicjs/directive/go v0.1.0/go.mod h1:QSlUJcNs1/hhJzjKdRu/iz+QQp2YRJtzFRcD6/0llGY=
 github.com/jsonicjs/jsonic/go v0.1.4 h1:V1KEzmg/jIwk25+JYj8ig1+B7190rHmH8WqZbT7XlgA=
 github.com/jsonicjs/jsonic/go v0.1.4/go.mod h1:ObNKlCG7esWoi4AHCpdgkILvPINV8bpvkbCd4llGGUg=
+github.com/jsonicjs/path/go v0.1.0 h1:rByeAJ/Zd/1q9WzI3VOQjW3axIvHr+o4lUEodUYhKx4=
+github.com/jsonicjs/path/go v0.1.0/go.mod h1:/LLj1pxpn/e0Xu3Oo91YzGL5owcPasKfICNDGHY8GEM=

go/multisource_test.go

@@ -8,6 +8,7 @@ import (
 	"testing"
 
 	jsonic "github.com/jsonicjs/jsonic/go"
+	path "github.com/jsonicjs/path/go"
 )
 
 // assert is a test helper that checks deep equality.
@@ -307,3 +308,57 @@ func TestAbsolutePath(t *testing.T) {
 	m, _ := r.(map[string]any)
 	assert(t, "abs-path", m["cfg"], map[string]any{"env": "prod"})
 }
+
+func TestPathPlugin(t *testing.T) {
+	files := map[string]string{
+		"a.jsonic": `{a:1}`,
+		"b.jsonic": `{b:2}`,
+	}
+
+	j := MakeJsonic(MultiSourceOptions{
+		Resolver: MakeMemResolver(files),
+	})
+	j.Use(path.Path, nil)
+
+	r, err := j.Parse(`{x: @a.jsonic, y: @b.jsonic}`)
+	if err != nil {
+		t.Fatal(err)
+	}
+	m, _ := r.(map[string]any)
+	assert(t, "path-a", m["x"], map[string]any{"a": float64(1)})
+	assert(t, "path-b", m["y"], map[string]any{"b": float64(2)})
+}
+
+func TestMergeIntoMap(t *testing.T) {
+	files := map[string]string{
+		"a.jsonic": `{a:1}`,
+	}
+
+	j := MakeJsonic(MultiSourceOptions{
+		Resolver: MakeMemResolver(files),
+	})
+
+	r, err := j.Parse(`{x:2, @a.jsonic}`)
+	if err != nil {
+		t.Fatal(err)
+	}
+	m, _ := r.(map[string]any)
+	assert(t, "merge-x", m["x"], float64(2))
+	assert(t, "merge-a", m["a"], float64(1))
+}
+
+func TestTopLevelRef(t *testing.T) {
+	files := map[string]string{
+		"a.jsonic": `{a:1}`,
+	}
+
+	j := MakeJsonic(MultiSourceOptions{
+		Resolver: MakeMemResolver(files),
+	})
+
+	r, err := j.Parse(`@a.jsonic`)
+	if err != nil {
+		t.Fatal(err)
+	}
+	assert(t, "top-level", r, map[string]any{"a": float64(1)})
+}