Allow for chaining syntax in multi array

gjson.go

@@ -1270,6 +1270,12 @@ func parseArray(c *parseContext, i int, path string) (int, bool) {
 						res := Get(val, rp.query.path)
 						if queryMatches(&rp, res) {
 							if rp.more {
+								left, right, ok := splitPossiblePipe(rp.path)
+								if ok {
+									rp.path = left
+									c.pipe = right
+									c.piped = true
+								}
 								res = Get(val, rp.path)
 							} else {
 								res = Result{Raw: val, Type: JSON}
@@ -1277,10 +1283,18 @@ func parseArray(c *parseContext, i int, path string) (int, bool) {
 							if rp.query.all {
 								if len(multires) == 0 {
 									multires = append(multires, '[')
-								} else {
-									multires = append(multires, ',')
 								}
-								multires = append(multires, res.Raw...)
+
+								raw := res.Raw
+								if len(raw) == 0 {
+									raw = res.String()
+								}
+								if raw != "" {
+									if len(multires) > 1 {
+										multires = append(multires, ',')
+									}
+									multires = append(multires, raw...)
+								}
 							} else {
 								c.value = res
 								return i, true

gjson_test.go

@@ -1704,3 +1704,60 @@ func TestDeepSelectors(t *testing.T) {
 		t.Fatalf("expected '%v', got '%v'", "Murphy", res)
 	}
 }
+
+func TestMultiArrayEx(t *testing.T) {
+	json := `{
+		"info": {
+			"friends": [
+				{
+					"first": "Dale", "last": "Murphy", "kind": "Person",
+					"cust1": true,
+					"extra": [10,20,30],
+					"details": {
+						"city": "Tempe",
+						"state": "Arizona"
+					}
+				},
+				{
+					"first": "Roger", "last": "Craig", "kind": "Person",
+					"cust2": false,
+					"extra": [40,50,60],
+					"details": {
+						"city": "Phoenix",
+						"state": "Arizona"
+					}
+				}
+			]
+		}
+	  }`
+
+	var res string
+
+	res = Get(json, `info.friends.#[kind="Person"]#.kind|0`).String()
+	if res != "Person" {
+		t.Fatalf("expected '%v', got '%v'", "Person", res)
+	}
+	res = Get(json, `info.friends.#.kind|0`).String()
+	if res != "Person" {
+		t.Fatalf("expected '%v', got '%v'", "Person", res)
+	}
+
+	res = Get(json, `info.friends.#[kind="Person"]#.kind`).String()
+	if res != `["Person","Person"]` {
+		t.Fatalf("expected '%v', got '%v'", `["Person","Person"]`, res)
+	}
+	res = Get(json, `info.friends.#.kind`).String()
+	if res != `["Person","Person"]` {
+		t.Fatalf("expected '%v', got '%v'", `["Person","Person"]`, res)
+	}
+
+	res = Get(json, `info.friends.#[kind="Person"]#|kind`).String()
+	if res != `` {
+		t.Fatalf("expected '%v', got '%v'", ``, res)
+	}
+	res = Get(json, `info.friends.#|kind`).String()
+	if res != `` {
+		t.Fatalf("expected '%v', got '%v'", ``, res)
+	}
+
+}