| 1 | import { injectLocal, objectOmit } from '@vueuse/core' |
| 2 | import { computed, ref, toRef } from 'vue' |
| 3 | import { |
| 4 | FRONTMATTER_FIELDS, |
| 5 | HEADMATTER_FIELDS, |
| 6 | injectionClicksContext, |
| 7 | injectionCurrentPage, |
| 8 | injectionFrontmatter, |
| 9 | injectionRenderContext, |
| 10 | injectionRoute, |
| 11 | injectionSlideScale, |
| 12 | injectionSlidevContext, |
| 13 | injectionSlideZoom, |
| 14 | } from './constants' |
| 15 | |
| 16 | /** |
| 17 | * Get the current slide context, should be called inside the setup function of a component inside slide |
| 18 | */ |
| 19 | export function useSlideContext() { |
| 20 | const $slidev = injectLocal(injectionSlidevContext)! |
| 21 | const $nav = toRef($slidev, 'nav') |
| 22 | const $clicksContext = injectLocal(injectionClicksContext)!.value |
| 23 | const $clicks = toRef($clicksContext, 'current') |
| 24 | const $page = injectLocal(injectionCurrentPage)! |
| 25 | const $renderContext = injectLocal(injectionRenderContext)! |
| 26 | const $frontmatter = injectLocal(injectionFrontmatter, {}) |
| 27 | const $route = injectLocal(injectionRoute, undefined) |
| 28 | const $scale = injectLocal(injectionSlideScale, ref(1)) |
| 29 | const $zoom = injectLocal(injectionSlideZoom, computed(() => 1)) |
| 30 | |
| 31 | return { |
| 32 | $slidev, |
| 33 | $nav, |
| 34 | $clicksContext, |
| 35 | $clicks, |
| 36 | $page, |
| 37 | $route, |
| 38 | $renderContext, |
| 39 | $frontmatter, |
| 40 | $scale, |
| 41 | $zoom, |
| 42 | } |
| 43 | } |
| 44 | |
| 45 | export type SlideContext = ReturnType<typeof useSlideContext> |
| 46 | |
| 47 | /** |
| 48 | * Convert frontmatter options to props for v-bind |
| 49 | * It removes known options fields, and expose an extra `frontmatter` field that contains full frontmatter |
| 50 | * |
| 51 | * @internal |
| 52 | */ |
| 53 | export function frontmatterToProps(frontmatter: Record<string, any>, pageNo: number) { |
| 54 | return { |
| 55 | ...objectOmit(frontmatter, pageNo === 0 ? HEADMATTER_FIELDS : FRONTMATTER_FIELDS), |
| 56 | frontmatter, |
| 57 | } |
| 58 | } |
| 59 |