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[docs-infra] Use font variables on body #49460

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Merged
Janpot merged 2 commits into from
Oct 14, 2026
Merged

[docs-infra] Use font variables on body #49460

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842e722
[docs-infra] Use font variables on body
Janpot Oct 14, 2026
8e29cdf
Keep the fontClasses name
Janpot Oct 14, 2026
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12 changes: 7 additions & 5 deletions packages-internal/core-docs/src/nextFonts/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2,19 +2,22 @@ import { Inter, Roboto } from 'next/font/google';
import localFont from 'next/font/local';

export const inter = Inter({
variable: '--font-inter',
weight: ['300', '400', '500', '600', '700'],
subsets: ['latin'],
preload: false,
});

export const roboto = Roboto({
variable: '--font-roboto',
weight: ['300', '400', '500', '700'],
style: ['normal', 'italic'],
subsets: ['latin'],
preload: false,
});

export const generalSans = localFont({
variable: '--font-general-sans',
declarations: [{ prop: 'font-family', value: 'General Sans' }],
src: [{ path: './fonts/GeneralSans-Semibold.woff2', weight: '600', style: 'normal' }],
});
Expand All @@ -36,6 +39,7 @@ const generalSansDeferred = localFont({
// "⌘K" badge; each preloaded file delays LCP on slow links (~0.3s per 55kB
// on Lighthouse mobile), so those two stay deferred.
export const ibmPlexSans = localFont({
variable: '--font-ibm-plex-sans',
declarations: [{ prop: 'font-family', value: 'IBM Plex Sans' }],
src: [
{ path: './fonts/IBMPlexSans-Regular.woff2', weight: '400', style: 'normal' },
Expand All @@ -61,9 +65,7 @@ export const fonts = [
roboto,
];

// The single-weight General Sans class sets font-weight: 600 on body. The import
// still registers and preloads the font, so the class is not necessary.
export const fontClasses = fonts
.filter((font) => font !== generalSans)
.map((font) => font.className)
// `className` also sets font-weight for single-file loaders, so body only gets the variables.
export const fontClasses = [ibmPlexSans, generalSans, inter, roboto]
.map((font) => font.variable)
.join(' ');
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