136 lines
3.7 KiB
Vue
136 lines
3.7 KiB
Vue
<script setup lang="ts">
|
|
import type { KeyedTokensInfo } from 'shiki-magic-move/types'
|
|
import type { PropType } from 'vue'
|
|
import { sleep } from '@antfu/utils'
|
|
import lz from 'lz-string'
|
|
import { ShikiMagicMovePrecompiled } from 'shiki-magic-move/vue'
|
|
import { computed, nextTick, onMounted, onUnmounted, ref, watch } from 'vue'
|
|
import { useNav } from '../composables/useNav'
|
|
import { CLICKS_MAX } from '../constants'
|
|
import { useSlideContext } from '../context'
|
|
import { configs } from '../env'
|
|
import { makeId, updateCodeHighlightRange } from '../logic/utils'
|
|
|
|
const props = defineProps({
|
|
at: {
|
|
type: [String, Number],
|
|
default: '+1',
|
|
},
|
|
stepsLz: {
|
|
type: String,
|
|
required: true,
|
|
},
|
|
stepRanges: {
|
|
type: Array as PropType<string[][]>,
|
|
required: true,
|
|
},
|
|
lines: {
|
|
type: Boolean,
|
|
default: configs.lineNumbers,
|
|
},
|
|
})
|
|
|
|
const steps = JSON.parse(lz.decompressFromBase64(props.stepsLz)) as KeyedTokensInfo[]
|
|
const { $clicksContext: clicks, $scale: scale, $zoom: zoom } = useSlideContext()
|
|
const { isPrintMode } = useNav()
|
|
const id = makeId()
|
|
|
|
const stepIndex = ref(0)
|
|
const container = ref<HTMLElement>()
|
|
|
|
// Normalized the ranges, to at least have one range
|
|
const ranges = computed(() => props.stepRanges.map(i => i.length ? i : ['all']))
|
|
|
|
onUnmounted(() => {
|
|
clicks?.unregister(id)
|
|
})
|
|
|
|
onMounted(() => {
|
|
if (!clicks)
|
|
return
|
|
|
|
if (ranges.value.length !== steps.length)
|
|
throw new Error('[slidev] The length of stepRanges does not match the length of steps, this is an internal error.')
|
|
|
|
const clickCounts = ranges.value.map(s => s.length).reduce((a, b) => a + b, 0)
|
|
const clickInfo = clicks.calculateSince(props.at, clickCounts - 1)
|
|
clicks.register(id, clickInfo)
|
|
|
|
watch(
|
|
() => clicks.current,
|
|
() => {
|
|
// Calculate the step and rangeStr based on the current click count
|
|
const clickCount = clickInfo ? clicks.current - clickInfo.start : CLICKS_MAX
|
|
let step = steps.length - 1
|
|
let currentClickSum = 0
|
|
let rangeStr = 'all'
|
|
for (let i = 0; i < ranges.value.length; i++) {
|
|
const current = ranges.value[i]
|
|
if (clickCount < currentClickSum + current.length - 1) {
|
|
step = i
|
|
rangeStr = current[clickCount - currentClickSum + 1]
|
|
break
|
|
}
|
|
currentClickSum += current.length || 1
|
|
}
|
|
|
|
nextTick(async () => {
|
|
stepIndex.value = step
|
|
|
|
await sleep(0)
|
|
|
|
const pre = container.value?.querySelector('.shiki') as HTMLElement
|
|
if (!pre)
|
|
return
|
|
|
|
const children = (Array.from(pre.children) as HTMLElement[])
|
|
.slice(1) // Remove the first anchor
|
|
.filter(i => !i.className.includes('shiki-magic-move-leave')) // Filter the leaving elements
|
|
|
|
// Group to lines between `<br>`
|
|
const lines = children.reduce((acc, el) => {
|
|
if (el.tagName === 'BR')
|
|
acc.push([])
|
|
else
|
|
acc[acc.length - 1].push(el)
|
|
return acc
|
|
}, [[]] as HTMLElement[][])
|
|
|
|
// Update highlight range
|
|
updateCodeHighlightRange(
|
|
rangeStr,
|
|
lines.length,
|
|
1,
|
|
no => lines[no],
|
|
)
|
|
})
|
|
},
|
|
{ immediate: true },
|
|
)
|
|
})
|
|
</script>
|
|
|
|
<template>
|
|
<div ref="container" class="slidev-code-wrapper slidev-code-magic-move relative">
|
|
<ShikiMagicMovePrecompiled
|
|
class="slidev-code relative shiki overflow-visible"
|
|
:steps="steps"
|
|
:step="stepIndex"
|
|
:animate="!isPrintMode"
|
|
:options="{
|
|
globalScale: scale * zoom,
|
|
// TODO: make this configurable later
|
|
duration: 800,
|
|
stagger: 1,
|
|
}"
|
|
/>
|
|
</div>
|
|
</template>
|
|
|
|
<style>
|
|
.slidev-code-magic-move .shiki-magic-move-enter-from,
|
|
.slidev-code-magic-move .shiki-magic-move-leave-to {
|
|
opacity: 0;
|
|
}
|
|
</style>
|