forked from Mirrors/elk
39 lines
970 B
TypeScript
39 lines
970 B
TypeScript
import type { InjectionKey, Ref } from 'vue'
|
|
import { STORAGE_KEY_FONT_SIZE } from '~/constants'
|
|
|
|
const InjectionKeyFontSize = Symbol('fontSize') as InjectionKey<Ref<FontSize>>
|
|
const DEFAULT = 'md'
|
|
|
|
export type FontSize = 'xs' | 'sm' | 'md' | 'lg' | 'xl'
|
|
|
|
export function getFontSize() {
|
|
return inject(InjectionKeyFontSize)!
|
|
}
|
|
|
|
const fontSizeMap = {
|
|
xs: '13px',
|
|
sm: '14px',
|
|
md: '15px',
|
|
lg: '16px',
|
|
xl: '17px',
|
|
}
|
|
|
|
export async function setupFontSize() {
|
|
const fontSize = useCookie<FontSize>(STORAGE_KEY_FONT_SIZE, { default: () => DEFAULT })
|
|
getCurrentInstance()?.appContext.app.provide(InjectionKeyFontSize, fontSize)
|
|
|
|
if (!process.server) {
|
|
watchEffect(() => {
|
|
document.documentElement.style.setProperty('--font-size', fontSizeMap[fontSize.value || DEFAULT])
|
|
})
|
|
}
|
|
else {
|
|
useHead({
|
|
style: [
|
|
{
|
|
innerHTML: `:root { --font-size: ${fontSizeMap[fontSize.value || DEFAULT]}; }`,
|
|
},
|
|
],
|
|
})
|
|
}
|
|
}
|