feat: crono

go.mod

@@ -0,0 +1,11 @@
+module gitea.urkob.com/crono
+
+go 1.19
+
+require github.com/jedib0t/go-pretty/v6 v6.4.6
+
+require (
+	github.com/mattn/go-runewidth v0.0.13 // indirect
+	github.com/rivo/uniseg v0.2.0 // indirect
+	golang.org/x/sys v0.1.0 // indirect
+)

go.sum

@@ -0,0 +1,23 @@
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/jedib0t/go-pretty/v6 v6.4.6 h1:v6aG9h6Uby3IusSSEjHaZNXpHFhzqMmjXcPq1Rjl9Jw=
+github.com/jedib0t/go-pretty/v6 v6.4.6/go.mod h1:Ndk3ase2CkQbXLLNf5QDHoYb6J9WtVfmHZu9n8rk2xs=
+github.com/mattn/go-runewidth v0.0.13 h1:lTGmDsbAYt5DmK6OnoV7EuIF1wEIFAcxld6ypU4OSgU=
+github.com/mattn/go-runewidth v0.0.13/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
+github.com/pkg/profile v1.6.0/go.mod h1:qBsxPvzyUincmltOk6iyRVxHYg4adc0OFOv72ZdLa18=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
+github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.7.4 h1:wZRexSlwd7ZXfKINDLsO4r7WBt3gTKONc6K/VesHvHM=
+github.com/stretchr/testify v1.7.4/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+golang.org/x/sys v0.1.0 h1:kunALQeHf1/185U1i0GOB/fy1IPRDDpuoOOqRReG57U=
+golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

main.go

@@ -0,0 +1,84 @@
+package crono
+
+import (
+	"fmt"
+	"os"
+	"time"
+
+	"github.com/jedib0t/go-pretty/v6/table"
+)
+
+type Timing struct {
+	Msg     string
+	Elapsed time.Duration
+}
+
+type Crono struct {
+	Begin   time.Time
+	Cursor  time.Time
+	Timings []Timing
+}
+
+// new cronograph with autostart.
+func New() *Crono {
+	c := new(Crono)
+	c.Timings = make([]Timing, 0)
+	c.Begin = time.Now()
+	c.Cursor = c.Begin
+	return c
+}
+
+// restart the crono
+// keeps the begin time.
+func (c *Crono) Restart() {
+	c.Cursor = time.Now()
+}
+
+// push a mark.
+func (c *Crono) Mark(msg string) {
+	c.Timings = append(c.Timings, Timing{msg, c.GetElapsed()})
+}
+
+// push a mark and restart the cursor time.
+func (c *Crono) MarkAndRestart(msg string) {
+	c.Mark(msg)
+	c.Restart()
+}
+
+// time in seconds since last start
+// it doesn't restart the crono.
+func (c *Crono) GetElapsed() time.Duration {
+	return time.Since(c.Cursor)
+}
+
+// total time sice start.
+func (c *Crono) Total() time.Duration {
+	return time.Since(c.Begin)
+}
+
+func (c *Crono) Table() {
+	t := table.NewWriter()
+	t.SetOutputMirror(os.Stdout)
+	t.AppendHeader(table.Row{"#", "Description", "Elapsed"})
+	for i, e := range c.Timings {
+		t.AppendRow([]interface{}{i, e.Msg, durationToString(e.Elapsed)})
+	}
+	t.AppendSeparator()
+	t.AppendFooter(table.Row{"", "Total", durationToString(c.Total())})
+	t.Render()
+}
+
+func durationToString(t time.Duration) string {
+	timeString := fmt.Sprintf("%dms", t.Milliseconds())
+	if t.Seconds() > 3 {
+		timeString += " !!!"
+	} else if t.Seconds() > 2 {
+		timeString += " .!!"
+	} else if t.Seconds() > 1 {
+		timeString += " ..!"
+	} else {
+		timeString += " ..."
+	}
+
+	return timeString
+}