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feat(ui): Add support for custom favicon (#1097)

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feat: Add UI configuration for custom favicon

Adds new node `favicon` to `ui` configuration
with properties that allow to overwrite the three
favicons which are currently in use in the index.html template.

Closes #174

Signed-off-by: Mateusz Łoskot <mateusz@loskot.net>
This commit is contained in:
Mateusz Łoskot
2026-01-16 23:27:39 +01:00
committed by GitHub
parent ce269905b7
commit 309d68e622
5 changed files with 40 additions and 4 deletions
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24
config/ui/ui.go
View File

@@ -17,6 +17,9 @@ const (
defaultDashboardSubheading = "Monitor the health of your endpoints in real-time"
defaultLogo = ""
defaultLink = ""
defaultFavicon = "/favicon.ico"
defaultFavicon16 = "/favicon-16x16.png"
defaultFavicon32 = "/favicon-32x32.png"
defaultCustomCSS = ""
defaultSortBy = "name"
defaultFilterBy = "none"
@@ -39,6 +42,7 @@ type Config struct {
Header string `yaml:"header,omitempty"` // Header is the text at the top of the page
Logo string `yaml:"logo,omitempty"` // Logo to display on the page
Link string `yaml:"link,omitempty"` // Link to open when clicking on the logo
Favicon Favicon `yaml:"favicon,omitempty"` // Favourite icon to display in web browser tab or address bar
Buttons []Button `yaml:"buttons,omitempty"` // Buttons to display below the header
CustomCSS string `yaml:"custom-css,omitempty"` // Custom CSS to include in the page
DarkMode *bool `yaml:"dark-mode,omitempty"` // DarkMode is a flag to enable dark mode by default
@@ -71,6 +75,12 @@ func (btn *Button) Validate() error {
return nil
}
type Favicon struct {
Default string `yaml:"default,omitempty"` // URL or path to default favourite icon.
Size16x16 string `yaml:"size16x16,omitempty"` // URL or path to favourite icon for 16x16 size.
Size32x32 string `yaml:"size32x32,omitempty"` // URL or path to favourite icon for 32x32 size.
}
// GetDefaultConfig returns a Config struct with the default values
func GetDefaultConfig() *Config {
return &Config{
@@ -86,6 +96,11 @@ func GetDefaultConfig() *Config {
DefaultSortBy: defaultSortBy,
DefaultFilterBy: defaultFilterBy,
MaximumNumberOfResults: storage.DefaultMaximumNumberOfResults,
Favicon: Favicon{
Default: defaultFavicon,
Size16x16: defaultFavicon16,
Size32x32: defaultFavicon32,
},
}
}
@@ -128,6 +143,15 @@ func (cfg *Config) ValidateAndSetDefaults() error {
} else if cfg.DefaultFilterBy != "none" && cfg.DefaultFilterBy != "failing" && cfg.DefaultFilterBy != "unstable" {
return ErrInvalidDefaultFilterBy
}
if len(cfg.Favicon.Default) == 0 {
cfg.Favicon.Default = defaultFavicon
}
if len(cfg.Favicon.Size16x16) == 0 {
cfg.Favicon.Size16x16 = defaultFavicon16
}
if len(cfg.Favicon.Size32x32) == 0 {
cfg.Favicon.Size32x32 = defaultFavicon32
}
for _, btn := range cfg.Buttons {
if err := btn.Validate(); err != nil {
return err

9
config/ui/ui_test.go
View File

@@ -41,6 +41,15 @@ func TestConfig_ValidateAndSetDefaults(t *testing.T) {
if cfg.DefaultFilterBy != defaultFilterBy {
t.Errorf("expected defaultFilterBy to be %s, got %s", defaultFilterBy, cfg.DefaultFilterBy)
}
if cfg.Favicon.Default != defaultFavicon {
t.Errorf("expected favicon to be %s, got %s", defaultFavicon, cfg.Favicon.Default)
}
if cfg.Favicon.Size16x16 != defaultFavicon16 {
t.Errorf("expected favicon to be %s, got %s", defaultFavicon16, cfg.Favicon.Size16x16)
}
if cfg.Favicon.Size32x32 != defaultFavicon32 {
t.Errorf("expected favicon to be %s, got %s", defaultFavicon32, cfg.Favicon.Size32x32)
}
})
t.Run("custom-values", func(t *testing.T) {
cfg := &Config{