feat: stdin node

taskfile/node_stdin.go

@@ -0,0 +1,40 @@
+package taskfile
+
+import (
+	"bufio"
+	"context"
+	"fmt"
+	"os"
+)
+
+// A StdinNode is a node that reads a taskfile from the standard input stream.
+type StdinNode struct {
+	*BaseNode
+}
+
+func NewStdinNode() (*StdinNode, error) {
+	base := NewBaseNode()
+	return &StdinNode{
+		BaseNode: base,
+	}, nil
+}
+
+func (node *StdinNode) Location() string {
+	return "__stdin__"
+}
+
+func (node *StdinNode) Remote() bool {
+	return false
+}
+
+func (node *StdinNode) Read(ctx context.Context) ([]byte, error) {
+	var stdin []byte
+	scanner := bufio.NewScanner(os.Stdin)
+	for scanner.Scan() {
+		stdin = fmt.Appendln(stdin, scanner.Text())
+	}
+	if err := scanner.Err(); err != nil {
+		return nil, err
+	}
+	return stdin, nil
+}