1 files changed, 59 insertions, 0 deletions
diff --git a/vendor/github.com/morikuni/aec/ansi.go b/vendor/github.com/morikuni/aec/ansi.go
new file mode 100644
index 000000000..e60722e6e
--- /dev/null
+++ b/vendor/github.com/morikuni/aec/ansi.go
@@ -0,0 +1,59 @@
+package aec
+
+import (
+	"fmt"
+	"strings"
+)
+
+const esc = "\x1b["
+
+// Reset resets SGR effect.
+const Reset string = "\x1b[0m"
+
+var empty = newAnsi("")
+
+// ANSI represents ANSI escape code.
+type ANSI interface {
+	fmt.Stringer
+
+	// With adapts given ANSIs.
+	With(...ANSI) ANSI
+
+	// Apply wraps given string in ANSI.
+	Apply(string) string
+}
+
+type ansiImpl string
+
+func newAnsi(s string) *ansiImpl {
+	r := ansiImpl(s)
+	return &r
+}
+
+func (a *ansiImpl) With(ansi ...ANSI) ANSI {
+	return concat(append([]ANSI{a}, ansi...))
+}
+
+func (a *ansiImpl) Apply(s string) string {
+	return a.String() + s + Reset
+}
+
+func (a *ansiImpl) String() string {
+	return string(*a)
+}
+
+// Apply wraps given string in ANSIs.
+func Apply(s string, ansi ...ANSI) string {
+	if len(ansi) == 0 {
+		return s
+	}
+	return concat(ansi).Apply(s)
+}
+
+func concat(ansi []ANSI) ANSI {
+	strs := make([]string, 0, len(ansi))
+	for _, p := range ansi {
+		strs = append(strs, p.String())
+	}
+	return newAnsi(strings.Join(strs, ""))
+}