diff options
Diffstat (limited to 'common/loggers')
| -rw-r--r-- | common/loggers/loggers.go | 5 | ||||
| -rw-r--r-- | common/loggers/loggers_test.go | 12 |
2 files changed, 17 insertions, 0 deletions
diff --git a/common/loggers/loggers.go b/common/loggers/loggers.go index 14c76ae45..c61c55a67 100644 --- a/common/loggers/loggers.go +++ b/common/loggers/loggers.go @@ -240,6 +240,11 @@ func NewBasicLoggerForWriter(t jww.Threshold, w io.Writer) Logger { return newLogger(t, jww.LevelError, w, ioutil.Discard, false) } +// RemoveANSIColours removes all ANSI colours from the given string. +func RemoveANSIColours(s string) string { + return ansiColorRe.ReplaceAllString(s, "") +} + var ( ansiColorRe = regexp.MustCompile("(?s)\\033\\[\\d*(;\\d*)*m") errorRe = regexp.MustCompile("^(ERROR|FATAL|WARN)") diff --git a/common/loggers/loggers_test.go b/common/loggers/loggers_test.go index 0c0cc859b..a7bd1ae12 100644 --- a/common/loggers/loggers_test.go +++ b/common/loggers/loggers_test.go @@ -46,3 +46,15 @@ func TestLoggerToWriterWithPrefix(t *testing.T) { c.Assert(b.String(), qt.Equals, "myprefix: Hello Hugo!\n") } + +func TestRemoveANSIColours(t *testing.T) { + c := qt.New(t) + + c.Assert(RemoveANSIColours(""), qt.Equals, "") + c.Assert(RemoveANSIColours("\033[31m"), qt.Equals, "") + c.Assert(RemoveANSIColours("\033[31mHello"), qt.Equals, "Hello") + c.Assert(RemoveANSIColours("\033[31mHello\033[0m"), qt.Equals, "Hello") + c.Assert(RemoveANSIColours("\033[31mHello\033[0m World"), qt.Equals, "Hello World") + c.Assert(RemoveANSIColours("\033[31mHello\033[0m World\033[31m!"), qt.Equals, "Hello World!") + c.Assert(RemoveANSIColours("\x1b[90m 5 |"), qt.Equals, " 5 |") +} |