41 lines
1.3 KiB
TypeScript
41 lines
1.3 KiB
TypeScript
import type { SlideRoute } from '@slidev/types'
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import type { DirectiveBinding, InjectionKey } from 'vue'
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import { configs } from './env'
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export function getSlideClass(route?: SlideRoute, extra = '') {
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const classes = ['slidev-page', extra]
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const no = route?.meta?.slide?.no
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if (no != null)
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classes.push(`slidev-page-${no}`)
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return classes.filter(Boolean).join(' ')
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}
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export async function downloadPDF() {
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const { saveAs } = await import('file-saver')
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saveAs(
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typeof configs.download === 'string'
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? configs.download
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: configs.exportFilename
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? `${configs.exportFilename}.pdf`
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: `${import.meta.env.BASE_URL}slidev-exported.pdf`,
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`${configs.title}.pdf`,
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)
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}
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export function directiveInject<T = unknown>(dir: DirectiveBinding<any>, key: InjectionKey<T> | string, defaultValue?: T): T | undefined {
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return (dir.instance?.$ as any).provides[key as any] ?? defaultValue
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}
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export function directiveProvide<T = unknown>(dir: DirectiveBinding<any>, key: InjectionKey<T> | string, value?: T) {
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const instance = dir.instance?.$ as any
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if (instance) {
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let provides = instance.provides
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const parentProvides = instance.parent?.provides
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if (provides === parentProvides)
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provides = instance.provides = Object.create(parentProvides)
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provides[key as any] = value
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}
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}
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