feat(keyboard): add keyboard shortcuts for manual reload and quit

README.md

@@ -25,6 +25,7 @@ Note: This tool has nothing to do with hot-deploy for production.
 * Support excluding subdirectories
 * Allow watching new directories after Air started
 * Better building process
+* Keybinds for manual reload and quitting
 
 ### Overwrite specify configuration from arguments
 
@@ -155,6 +156,18 @@ air
 
 For modifying the configuration refer to the [air_example.toml](air_example.toml) file.
 
+### Keybinds
+
+Once `air` is running, you can use the following keybinds:
+
+* `q` to quit (configurable)
+* `esc` to quit
+* `ctrl+c` to quit
+* `r` to reload manually (configurable)
+* `space` to clear the screen
+
+Keybind support is enabled by default, but can be disabled in the configuration file.
+
 ### Runtime arguments
 
 You can pass arguments for running the built binary by adding them after the air command.

air_example.toml

@@ -66,6 +66,12 @@ watcher = "cyan"
 build = "yellow"
 runner = "green"
 
+[keybindings]
+# Customize keybindings
+enabled = true # Enabled by default
+reload_key = "r"
+quit_key = "q"
+
 [misc]
 # Delete tmp directory on exit
 clean_on_exit = true

go.mod

@@ -3,6 +3,7 @@ module github.com/cosmtrek/air
 go 1.22
 
 require (
+	atomicgo.dev/keyboard v0.2.9
 	dario.cat/mergo v1.0.0
 	github.com/creack/pty v1.1.21
 	github.com/fatih/color v1.16.0
@@ -17,6 +18,7 @@ require (
 	github.com/bep/godartsass/v2 v2.0.0 // indirect
 	github.com/bep/golibsass v1.1.1 // indirect
 	github.com/cli/safeexec v1.0.1 // indirect
+	github.com/containerd/console v1.0.3 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/gobwas/glob v0.2.3 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect

go.sum

@@ -1,13 +1,25 @@
+atomicgo.dev/keyboard v0.2.9 h1:tOsIid3nlPLZ3lwgG8KZMp/SFmr7P0ssEN5JUsm78K8=
+atomicgo.dev/keyboard v0.2.9/go.mod h1:BC4w9g00XkxH/f1HXhW2sXmJFOCWbKn9xrOunSFtExQ=
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 dario.cat/mergo v1.0.0/go.mod h1:uNxQE+84aUszobStD9th8a29P2fMDhsBdgRYvZOxGmk=
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+github.com/atomicgo/cursor v0.0.1/go.mod h1:cBON2QmmrysudxNBFthvMtN32r3jxVRIvzkUiF/RuIk=
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@@ -39,6 +51,8 @@ github.com/cli/safeexec v1.0.0/go.mod h1:Z/D4tTN8Vs5gXYHDCbaM1S/anmEDnJb1iW0+EJ5
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@@ -103,6 +117,9 @@ github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
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@@ -113,6 +130,10 @@ github.com/jdkato/prose v1.2.1 h1:Fp3UnJmLVISmlc57BgKUzdjr0lOtjqTZicL3PaYy6cU=
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@@ -135,8 +156,8 @@ github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovk
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@@ -162,20 +183,35 @@ github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
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 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
 golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/term v0.0.0-20210220032956-6a3ed077a48d/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/term v0.0.0-20210615171337-6886f2dfbf5b/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 h1:JGgROgKl9N8DuW20oFS5gxc+lE67/N3FcwmBPMe7ArY=
+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
 golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
@@ -251,12 +299,16 @@ google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs
 google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/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=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

runner/config.go

@@ -23,15 +23,16 @@ const (
 
 // Config is the main configuration structure for Air.
 type Config struct {
-	Root        string    `toml:"root"`
-	TmpDir      string    `toml:"tmp_dir"`
-	TestDataDir string    `toml:"testdata_dir"`
-	Build       cfgBuild  `toml:"build"`
-	Color       cfgColor  `toml:"color"`
-	Log         cfgLog    `toml:"log"`
-	Misc        cfgMisc   `toml:"misc"`
-	Screen      cfgScreen `toml:"screen"`
-	Proxy       cfgProxy  `toml:"proxy"`
+	Root        string         `toml:"root"`
+	TmpDir      string         `toml:"tmp_dir"`
+	TestDataDir string         `toml:"testdata_dir"`
+	Build       cfgBuild       `toml:"build"`
+	Color       cfgColor       `toml:"color"`
+	Log         cfgLog         `toml:"log"`
+	Keybindings cfgKeybindings `toml:"keybindings"`
+	Misc        cfgMisc        `toml:"misc"`
+	Screen      cfgScreen      `toml:"screen"`
+	Proxy       cfgProxy       `toml:"proxy"`
 }
 
 type cfgBuild struct {
@@ -92,6 +93,12 @@ type cfgMisc struct {
 	CleanOnExit bool `toml:"clean_on_exit"`
 }
 
+type cfgKeybindings struct {
+	Enabled   bool   `toml:"enabled"`
+	ReloadKey string `toml:"reload_key"`
+	QuitKey   string `toml:"quit_key"`
+}
+
 type cfgScreen struct {
 	ClearOnRebuild bool `toml:"clear_on_rebuild"`
 	KeepScroll     bool `toml:"keep_scroll"`
@@ -244,6 +251,11 @@ func defaultConfig() Config {
 		Build:   "yellow",
 		Runner:  "green",
 	}
+	keybindings := cfgKeybindings{
+		Enabled:   true,
+		ReloadKey: "r",
+		QuitKey:   "q",
+	}
 	misc := cfgMisc{
 		CleanOnExit: false,
 	}
@@ -254,6 +266,7 @@ func defaultConfig() Config {
 		Build:       build,
 		Color:       color,
 		Log:         log,
+		Keybindings: keybindings,
 		Misc:        misc,
 		Screen: cfgScreen{
 			ClearOnRebuild: false,

runner/engine.go

@@ -12,6 +12,8 @@ import (
 	"sync/atomic"
 	"time"
 
+	"atomicgo.dev/keyboard"
+	"atomicgo.dev/keyboard/keys"
 	"github.com/gohugoio/hugo/watcher/filenotify"
 )
 
@@ -79,6 +81,36 @@ func NewEngine(cfgPath string, debugMode bool) (*Engine, error) {
 
 // Run run run
 func (e *Engine) Run() {
+	if e.config.Keybindings.Enabled {
+		go func() {
+			err := keyboard.Listen(func(key keys.Key) (stop bool, err error) {
+				switch key.Code {
+				case keys.CtrlC, keys.Escape:
+					return true, nil
+				case keys.Space:
+					e.mainLog("Manual reload")
+					e.buildRun()
+				case keys.RuneKey:
+					switch key.String() {
+					case e.config.Keybindings.ReloadKey:
+						e.mainLog("Manual reload")
+						e.buildRun()
+					case e.config.Keybindings.QuitKey:
+						return true, nil
+					}
+				default:
+					fmt.Printf("\rYou pressed: %s\n", key)
+				}
+
+				return false, nil
+			})
+			if err != nil {
+				log.Fatalf("failed to listen to keyboard: %+v", err)
+			}
+			e.Stop()
+		}()
+	}
+
 	if len(os.Args) > 1 && os.Args[1] == "init" {
 		configName, err := writeDefaultConfig()
 		if err != nil {