feat: deno segment

resolves #2764

src/engine/segment.go

@@ -99,6 +99,8 @@ const (
 	CRYSTAL SegmentType = "crystal"
 	// DART writes the active dart version
 	DART SegmentType = "dart"
+	// DENO writes the active deno version
+	DENO SegmentType = "deno"
 	// DOTNET writes which dotnet version is currently active
 	DOTNET SegmentType = "dotnet"
 	// EXECUTIONTIME writes the execution time of the last run command
@@ -279,6 +281,7 @@ func (segment *Segment) mapSegmentWithWriter(env environment.Environment) error
 		CRYSTAL:       &segments.Crystal{},
 		CMAKE:         &segments.Cmake{},
 		DART:          &segments.Dart{},
+		DENO:          &segments.Deno{},
 		DOTNET:        &segments.Dotnet{},
 		EXECUTIONTIME: &segments.Executiontime{},
 		EXIT:          &segments.Exit{},

src/segments/angular.go

@@ -34,5 +34,6 @@ func (a *Angular) Enabled() bool {
 }
 
 func (a *Angular) getVersion() (string, error) {
+	// tested by nx_test.go
 	return getNodePackageVersion(a.language.env, filepath.Join("@angular", "core"))
 }

src/segments/deno.go

@@ -0,0 +1,34 @@
+package segments
+
+import (
+	"oh-my-posh/environment"
+	"oh-my-posh/properties"
+)
+
+type Deno struct {
+	language
+}
+
+func (d *Deno) Template() string {
+	return languageTemplate
+}
+
+func (d *Deno) Init(props properties.Properties, env environment.Environment) {
+	d.language = language{
+		env:        env,
+		props:      props,
+		extensions: []string{"*.js", "*.ts"},
+		commands: []*cmd{
+			{
+				executable: "deno",
+				args:       []string{"--version"},
+				regex:      `(?:(?P<version>((?P<major>[0-9]+).(?P<minor>[0-9]+).(?P<patch>[0-9]+))))`,
+			},
+		},
+		versionURLTemplate: "https://github.com/denoland/deno/releases/tag/v{{.Full}}",
+	}
+}
+
+func (d *Deno) Enabled() bool {
+	return d.language.Enabled()
+}

src/segments/deno_test.go

@@ -0,0 +1,31 @@
+package segments
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestDeno(t *testing.T) {
+	cases := []struct {
+		Case           string
+		ExpectedString string
+		Version        string
+	}{
+		{Case: "Deno 1.25.2", ExpectedString: "1.25.2", Version: "deno 1.25.2 (release, aarch64-apple-darwin)\nv8 10.6.194.5\ntypescript 4.7.4"},
+	}
+	for _, tc := range cases {
+		params := &mockedLanguageParams{
+			cmd:           "deno",
+			versionParam:  "--version",
+			versionOutput: tc.Version,
+			extension:     "*.js",
+		}
+		env, props := getMockedLanguageEnv(params)
+		d := &Deno{}
+		d.Init(props, env)
+		assert.True(t, d.Enabled(), fmt.Sprintf("Failed in case: %s", tc.Case))
+		assert.Equal(t, tc.ExpectedString, renderTemplate(env, d.Template(), d), fmt.Sprintf("Failed in case: %s", tc.Case))
+	}
+}

themes/schema.json

@@ -944,6 +944,37 @@
             }
           }
         },
+        {
+          "if": {
+            "properties": {
+              "type": {
+                "const": "deno"
+              }
+            }
+          },
+          "then": {
+            "title": "Deno CLI Segment",
+            "description": "https://ohmyposh.dev/docs/segments/deno",
+            "properties": {
+              "properties": {
+                "properties": {
+                  "home_enabled": {
+                    "$ref": "#/definitions/home_enabled"
+                  },
+                  "fetch_version": {
+                    "$ref": "#/definitions/fetch_version"
+                  },
+                  "display_mode": {
+                    "$ref": "#/definitions/display_mode"
+                  },
+                  "version_url_template": {
+                    "$ref": "#/definitions/version_url_template"
+                  }
+                }
+              }
+            }
+          }
+        },
         {
           "if": {
             "properties": {

website/docs/segments/deno.mdx

@@ -0,0 +1,54 @@
+---
+id: deno
+title: Deno
+sidebar_label: Deno
+---
+
+## What
+
+Display the currently active [Deno CLI][deno-docs] version.
+
+## Sample Configuration
+
+```json
+{
+  "type": "deno",
+  "style": "plain",
+  "foreground": "#3C82F6",
+  "template": " \ufbe4 {{ .Full }} "
+}
+```
+
+## Properties
+
+| Name                   | Type      | Description                                                                                                                                                      |
+| ---------------------- | --------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| `home_enabled`         | `boolean` | display the segment in the HOME folder or not - defaults to `false`                                                                                              |
+| `fetch_version`        | `boolean` | fetch the active version or not; useful if all you need is an icon indicating `deno`                                                                               |
+| `display_mode`         | `string`  | <ul><li>`always`: the segment is always displayed</li><li>`files`: the segment is only displayed when `*.ts*` or `*.js` file are present (**default**)</li></ul> |
+| `version_url_template` | `string`  | a go [text/template][go-text-template] [template][templates] that creates the URL of the version info / release notes                                            |
+
+## Template ([info][templates])
+
+:::note default template
+
+```template
+{{ if .Error }}{{ .Error }}{{ else }}{{ .Full }}{{ end }}
+```
+
+:::
+
+### Properties
+
+| Name     | Type     | Description                                        |
+| -------- | -------- | -------------------------------------------------- |
+| `.Full`  | `string` | the full version                                   |
+| `.Major` | `string` | major number                                       |
+| `.Minor` | `string` | minor number                                       |
+| `.Patch` | `string` | patch number                                       |
+| `.URL`   | `string` | URL of the version info / release notes            |
+| `.Error` | `string` | error encountered when fetching the version string |
+
+[go-text-template]: https://golang.org/pkg/text/template/
+[templates]: /docs/configuration/templates
+[deno-docs]: https://deno.land/

website/sidebars.js

@@ -64,6 +64,7 @@ module.exports = {
         "segments/cmake",
         "segments/crystal",
         "segments/dart",
+        "segments/deno",
         "segments/dotnet",
         "segments/executiontime",
         "segments/exit",