Primative support for json.RawMessage.

field.go

@@ -16,6 +16,7 @@ type Field struct {
 	CanBeNull  bool   `json:"canBeNull"`
 	IsOptional bool   `json:"isOptional"`
 	IsDate     bool   `json:"isDate"`
+	IsRaw      bool   `json:"isRaw"`
 }
 
 func (f *Field) Type(opts *Options, noSuffix bool) (out string) {
@@ -35,6 +36,10 @@ func (f *Field) Type(opts *Options, noSuffix bool) (out string) {
 		out = "Date"
 	}
 
+	if f.IsRaw {
+		out = "any"
+	}
+
 	if !noSuffix && f.CanBeNull {
 		out += " | null"
 	}
@@ -113,6 +118,10 @@ func (f *Field) DefaultValue() string {
 		return "new Date()"
 	}
 
+	if f.IsRaw {
+		return "null"
+	}
+
 	if f.TsType == "object" && f.ValType != "" {
 		return "new " + f.ValType + "()"
 	}
@@ -153,6 +162,11 @@ func (f *Field) setProps(sf reflect.StructField, sft reflect.Type) (ignore bool)
 
 	f.IsDate = isDate(sft) || len(tsTag) > 0 && tsTag[0] == "date" || sft.Kind() == reflect.Int64 && strings.HasSuffix(f.Name, "TS")
 
+	f.IsRaw = isRaw(sft) || len(tsTag) > 0 && tsTag[0] == "any"
+	if f.IsRaw {
+		f.CanBeNull = false
+	}
+
 	if len(tsTag) > 1 {
 		switch tsTag[1] {
 		case "no-null":
@@ -194,3 +208,6 @@ func TypeSuffix(t string, es6, as bool) string {
 func isDate(t reflect.Type) bool {
 	return t.Name() == "Time" && t.PkgPath() == "time"
 }
+func isRaw(t reflect.Type) bool {
+	return t.Name() == "RawMessage" && t.PkgPath() == "encoding/json"
+}

s2ts.go

@@ -106,6 +106,9 @@ func (s *StructToTS) addTypeFields(out *Struct, t reflect.Type) {
 			}
 
 		case k == reflect.Slice, k == reflect.Array:
+			if isRaw(sft) || tf.IsRaw {
+				break
+			}
 			tf.CanBeNull = k == reflect.Slice
 			tf.TsType, tf.ValType = "array", stripType(sft.Elem())
 

s2ts_test.go

@@ -1,6 +1,7 @@
 package struct2ts_test
 
 import (
+	"encoding/json"
 	"os"
 	"time"
 
@@ -12,15 +13,16 @@ type OtherStruct struct {
 }
 
 type ComplexStruct struct {
-	S           string       `json:"s,omitempty"`
-	I           int          `json:"i,omitempty"`
-	F           float64      `json:"f,omitempty"`
-	TS          *int64       `json:"ts,omitempty" ts:"date,null"`
-	T           time.Time    `json:"t,omitempty"` // automatically handled
-	NullOther   *OtherStruct `json:"o,omitempty"`
-	NoNullOther *OtherStruct `json:"nno,omitempty" ts:",no-null"`
-	Data        Data         `json:"d"`
-	DataPtr     *Data        `json:"dp"`
+	S           string           `json:"s,omitempty"`
+	I           int              `json:"i,omitempty"`
+	F           float64          `json:"f,omitempty"`
+	TS          *int64           `json:"ts,omitempty" ts:"date,null"`
+	T           time.Time        `json:"t,omitempty"` // automatically handled
+	NullOther   *OtherStruct     `json:"o,omitempty"`
+	NoNullOther *OtherStruct     `json:"nno,omitempty" ts:",no-null"`
+	Data        Data             `json:"d"`
+	DataPtr     *Data            `json:"dp"`
+	RawPtr      *json.RawMessage `json:"rm"`
 }
 
 type Data map[string]interface{}