fix: font not found when using some themes

Fix #1314

layouts/partials/functions/parse_theme.html

@@ -1,7 +1,13 @@
 {{- $scr := .Scratch -}}
 
+{{/* Get name of site's Theme. Precedence: Params.toml > Default (Minimal) */}}
 {{- $theme_index := (site.Params.theme | lower | replaceRE "\\s" "_") | default "minimal" -}}
-{{- $font_index := (index site.Data.themes $theme_index).font | default (site.Params.font | lower | replaceRE "\\s" "_") | default $theme_index | default "minimal" -}}
+
+{{/* Get name of site's Font Set. Precedence: Params.toml > Theme > Default (Minimal) */}}
+{{- $font_index := (site.Params.font | lower | replaceRE "\\s" "_") | default ((index site.Data.themes $theme_index).font | lower | replaceRE "\\s" "_") | default $theme_index -}}
+{{- $font_index := cond (isset site.Data.fonts $font_index) $font_index "minimal" -}}
+
+{{/* Get Font Size. */}}
 
 {{- $font_size := site.Params.font_size | default "m" -}}
 {{- $font_sizes := dict "s" 16 "m" 21 "l" 25 -}}
@@ -9,50 +15,43 @@
 {{- $scr.Set "font_size" $font_size_numeric -}}
 {{- $scr.Set "font_size_small" (mul 0.77 $font_size_numeric) -}}
 
-{{/* Attempt to load font style specified by user. */}}
-{{ if (index site.Data.fonts $font_index) }}
-  {{- $font := index site.Data.fonts $font_index -}}
-  {{- $scr.Set "google_fonts" $font.google_fonts -}}
-  {{- $scr.Set "body_font" $font.body_font -}}
-  {{- $scr.Set "heading_font" $font.heading_font -}}
-  {{- $scr.Set "nav_font" $font.nav_font -}}
-  {{- $scr.Set "mono_font" $font.mono_font -}}
-{{ else }}
-  {{ errorf "The `%s` font set was not found! Check that the `font` option in `config/_default/params.toml` matches the name of an installed font set." $font_index }}
-{{ end }}
+{{/* Load Font Set. */}}
+
+{{- $font := index site.Data.fonts $font_index -}}
+{{- $scr.Set "google_fonts" $font.google_fonts -}}
+{{- $scr.Set "body_font" $font.body_font -}}
+{{- $scr.Set "heading_font" $font.heading_font -}}
+{{- $scr.Set "nav_font" $font.nav_font -}}
+{{- $scr.Set "mono_font" $font.mono_font -}}
 
-{{/* Attempt to load color theme specified by user. */}}
-{{ if (index site.Data.themes $theme_index) }}
-  {{ $theme := index site.Data.themes $theme_index }}
-
-  {{- $scr.Set "light" ($theme.light | default true) -}}
-
-  {{ if $theme.light }}
-    {{- $scr.Set "background" ($theme.background | default "#fff") -}}
-    {{- $scr.Set "dark_background" "rgb(40, 42, 54)" -}}
-    {{- $scr.Set "home_section_odd" $theme.home_section_odd -}}
-    {{- $scr.Set "home_section_even" $theme.home_section_even -}}
-    {{- $scr.Set "dark_home_section_odd" "hsla(231, 15%, 18%, 1)" -}}
-    {{- $scr.Set "dark_home_section_even" "hsla(231, 15%, 16%, 1)" -}}
-  {{ else }}
-    {{- $scr.Set "background" ($theme.background | default "#fff") -}}
-    {{- $scr.Set "dark_background" ($theme.background | default "rgb(40, 42, 54)") -}}
-    {{- $scr.Set "home_section_odd" "rgb(255, 255, 255)" -}}
-    {{- $scr.Set "home_section_even" "rgb(247, 247, 247)" -}}
-    {{- $scr.Set "dark_home_section_odd" $theme.home_section_odd -}}
-    {{- $scr.Set "dark_home_section_even" $theme.home_section_even -}}
-  {{ end }}
-
-  {{- $scr.Set "link" ($theme.link | default $theme.primary) -}}
-  {{- $scr.Set "link_hover" ($theme.link_hover | default $theme.primary) -}}
-
-  {{- $scr.Set "primary" $theme.primary -}}
-
-  {{- $scr.Set "menu_primary" $theme.menu_primary -}}
-  {{- $scr.Set "menu_text" $theme.menu_text -}}
-  {{- $scr.Set "menu_text_active" $theme.menu_text_active -}}
-  {{- $scr.Set "menu_title" $theme.menu_title -}}
+{{/* Load Theme. */}}
 
+{{ $theme := index site.Data.themes $theme_index }}
+
+{{- $scr.Set "light" ($theme.light | default true) -}}
+
+{{ if $theme.light }}
+  {{- $scr.Set "background" ($theme.background | default "#fff") -}}
+  {{- $scr.Set "dark_background" "rgb(40, 42, 54)" -}}
+  {{- $scr.Set "home_section_odd" $theme.home_section_odd -}}
+  {{- $scr.Set "home_section_even" $theme.home_section_even -}}
+  {{- $scr.Set "dark_home_section_odd" "hsla(231, 15%, 18%, 1)" -}}
+  {{- $scr.Set "dark_home_section_even" "hsla(231, 15%, 16%, 1)" -}}
 {{ else }}
-  {{ errorf "The `%s` color theme was not found! Check that the `theme` option in `config/_default/params.toml` matches the name of an installed color theme." $theme_index }}
+  {{- $scr.Set "background" ($theme.background | default "#fff") -}}
+  {{- $scr.Set "dark_background" ($theme.background | default "rgb(40, 42, 54)") -}}
+  {{- $scr.Set "home_section_odd" "rgb(255, 255, 255)" -}}
+  {{- $scr.Set "home_section_even" "rgb(247, 247, 247)" -}}
+  {{- $scr.Set "dark_home_section_odd" $theme.home_section_odd -}}
+  {{- $scr.Set "dark_home_section_even" $theme.home_section_even -}}
 {{ end }}
+
+{{- $scr.Set "link" ($theme.link | default $theme.primary) -}}
+{{- $scr.Set "link_hover" ($theme.link_hover | default $theme.primary) -}}
+
+{{- $scr.Set "primary" $theme.primary -}}
+
+{{- $scr.Set "menu_primary" $theme.menu_primary -}}
+{{- $scr.Set "menu_text" $theme.menu_text -}}
+{{- $scr.Set "menu_text_active" $theme.menu_text_active -}}
+{{- $scr.Set "menu_title" $theme.menu_title -}}