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feat: LOGO_HEIGHT env var to control the site logo size #414

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Merged
oleeskild merged 1 commit into from
Aug 30, 2026
Merged

feat: LOGO_HEIGHT env var to control the site logo size #414

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11 changes: 11 additions & 0 deletions src/site/_data/meta.js
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,16 @@ module.exports = async (data) => {
// Use the first match and convert to site-relative path
logoPath = "/" + logoFiles[0].split("src/site/")[1];
}

// Logo height override. A bare number means pixels; any other value must
// be a simple CSS length (e.g. "3rem") — anything else is ignored so the
// env value can't inject arbitrary CSS.
let logoHeight = (process.env.LOGO_HEIGHT || "").trim();
if (/^\d+(\.\d+)?$/.test(logoHeight)) {
logoHeight += "px";
} else if (!/^\d+(\.\d+)?(px|rem|em|%|vh|vw|ch)$/.test(logoHeight)) {
logoHeight = "";
}
if (themeStyle) {
themeStyle = themeStyle.split("site")[1];
}
Expand Down Expand Up @@ -100,6 +110,7 @@ module.exports = async (data) => {
baseTheme: process.env.BASE_THEME || "dark",
siteName: process.env.SITE_NAME_HEADER || "Digital Garden",
siteLogoPath: logoPath,
logoHeight,
mainLanguage: process.env.SITE_MAIN_LANGUAGE || "en",
siteBaseUrl: baseUrl,
styleSettingsCss,
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9 changes: 9 additions & 0 deletions src/site/_includes/components/pageheader.njk
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Expand Up @@ -65,5 +65,14 @@
{{ meta.styleSettingsCss | safe }}
</style>
{% endif %}
{% if meta.logoHeight %}
<style>
:root {
--dg-logo-height: {{ meta.logoHeight }};
--dg-logo-height-mobile: {{ meta.logoHeight }};
--dg-filetree-logo-height: {{ meta.logoHeight }};
}
</style>
{% endif %}
<style>
</style>
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