Completed unit tests and added README and LICENSE

json_test.go

@@ -0,0 +1,45 @@
+package scriptx_test
+
+import (
+	"testing"
+
+	"github.com/bitfield/script"
+	"github.com/lmika/scriptx"
+)
+
+func TestToJSON(t *testing.T) {
+	t.Run("should convert a line to a JSON object", func(t *testing.T) {
+		verifyPipeLines(t, func(p *script.Pipe) *script.Pipe {
+			return p.Filter(scriptx.ToJSON(func(line string) any {
+				return map[string]any{
+					"line":        line,
+					"line_length": len(line),
+				}
+			}))
+		}, []string{
+			"Just three words",
+			"She sells sea shells by the \"sea shore\"",
+			"Another example of a line",
+		}, []string{
+			`{"line":"Just three words","line_length":16}`,
+			`{"line":"She sells sea shells by the \"sea shore\"","line_length":39}`,
+			`{"line":"Another example of a line","line_length":25}`,
+		})
+	})
+
+	t.Run("should convert a line to a JSON array", func(t *testing.T) {
+		verifyPipeLines(t, func(p *script.Pipe) *script.Pipe {
+			return p.Filter(scriptx.ToJSON(func(line string) any {
+				return []any{line, line}
+			}))
+		}, []string{
+			"line",
+			"words words",
+			"foobar",
+		}, []string{
+			`["line","line"]`,
+			`["words words","words words"]`,
+			`["foobar","foobar"]`,
+		})
+	})
+}