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Loop through favicon types for selection

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* https://github.com/McShelby/hugo-theme-relearn/pull/553#discussion_r1213705852
This commit is contained in:
Troy Lindsay 2023-06-01 20:18:41 -04:00 committed by Sören Weber
parent 4548d0162d
commit b705e0bde4
1 changed files with 37 additions and 17 deletions
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54
layouts/partials/favicon.html
View file

@ -1,26 +1,46 @@
{{- $assetBusting := not .Site.Params.disableAssetsBusting }}
{{- if or (fileExists "/static/images/favicon-light.svg") (fileExists "/static/images/favicon-dark.svg") }}
{{- $faviconMatch := false }}
{{- $svg := dict "ext" "svg" "type" "image/svg+xml" }}
{{- $png := dict "ext" "png" "type" "image/png" }}
{{- $ico := dict "ext" "ico" "type" "image/x-icon" }}
{{- $faviconTypes := slice $svg $png $ico }}
{{- range $faviconTypes }}
{{- if and
(eq $faviconMatch false)
(or
(fileExists (printf "/static/images/favicon-light.%s" .ext))
(fileExists (printf "/static/images/favicon-dark.%s"))
)
}}
{{- $faviconMatch = true }}
{{/*
Warning: IE and old browser versions do not support media queries necessary for the light & dark theme option.
If you have requirements to support IE and/or older browser versions, use one of the other options.
Reference: https://caniuse.com/css-media-interaction
*/}}
{{- if (fileExists "/static/images/favicon-light.svg") }}
<link href="{{ "images/favicon-light.svg" | relURL }}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="icon" type="image/svg+xml" media="(prefers-color-scheme: light)">
{{- if (fileExists (printf "/static/images/favicon-light.%s" .ext)) }}
<link href="{{ printf "images/favicon-light.%s" .ext | relURL }}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="icon" type="{{ .type }}" media="(prefers-color-scheme: light)">
{{- end }}
{{- if (fileExists "/static/images/favicon-dark.svg") }}
<link href="{{ "images/favicon-dark.svg" | relURL }}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="icon" type="image/svg+xml" media="(prefers-color-scheme: dark)">
{{- if (fileExists (printf "/static/images/favicon-dark.%s" .ext)) }}
<link href="{{ printf "images/favicon-dark.%s" .ext | relURL }}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="icon" type="{{ .type }}" media="(prefers-color-scheme: dark)">
{{- end }}
{{- end }}
{{- end }}
{{- range $faviconTypes }}
{{- if and
(eq $faviconMatch false)
(fileExists (printf "/static/images/favicon.%s" .ext))
}}
{{- $faviconMatch = true }}
<link href="{{ printf "images/favicon.%s" .ext | relURL }}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="icon" type="{{ .type }}">
{{- end }}
{{- end }}
{{- range $faviconTypes }}
{{- if and
(eq $faviconMatch false)
(fileExists (printf "/static/images/logo.%s" .ext))
}}
{{- $faviconMatch := true }}
<link href="{{ printf "images/logo.%s" .ext | relURL }}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="icon" type="{{ .type }}">
{{- end }}
{{- else if (fileExists "/static/images/favicon.svg") }}
<link href="{{ "images/favicon.svg" | relURL }}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="icon" type="image/svg+xml">
{{- else if (fileExists "/static/images/favicon.png") }}
<link href="{{ "images/favicon.png" | relURL }}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="icon" type="image/png">
{{- else if (fileExists "/static/images/favicon.ico") }}
<link href="{{ "images/favicon.ico" | relURL }}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="icon" type="image/x-icon">
{{- else if (fileExists "/static/images/logo.svg") }}
<link href="{{ "images/logo.svg" | relURL }}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="icon" type="image/svg+xml">
{{- else if (fileExists "/static/images/logo.png") }}
<link href="{{ "images/logo.png" | relURL }}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="icon" type="image/png">
{{- else if (fileExists "/static/images/logo.ico") }}
<link href="{{ "images/logo.ico" | relURL }}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="icon" type="image/x-icon">
{{- end }}