obsidian-visualiser/components/MarkdownRenderer.vue

80 lines
2.0 KiB
Vue

<template>
<div ref="element"></div>
</template>
<script setup lang="ts">
import { heading } from 'hast-util-heading';
import { headingRank } from 'hast-util-heading-rank';
import { parseId } from '~/shared/general.util';
import type { Root } from 'hast';
import { renderMarkdown } from '~/shared/markdown.util';
import { tag, a, blockquote, h1, h2, h3, h4, h5, hr, li, small, table, td, th, type Prose } from '~/shared/proses';
import { callout } from '../shared/proses';
const { content, proses, filter } = defineProps<{
content: string
proses?: Record<string, Prose>
filter?: string
}>();
const element = useTemplateRef('element');
const parser = useMarkdown(), data = ref<Root>();
const node = computed(() => content ? parser.parseSync(content) : undefined);
watch([node], () => {
if(!node.value)
{
data.value = undefined;
return;
}
else if(!filter)
{
data.value = node.value;
}
else
{
const start = node.value?.children.findIndex(e => heading(e) && parseId(e.properties.id as string | undefined) === filter) ?? -1;
if(start === -1)
data.value = node.value;
else
{
let end = start;
const rank = headingRank(node.value.children[start])!;
while(end < node.value.children.length)
{
end++;
if(heading(node.value.children[end]) && headingRank(node.value.children[end])! <= rank)
break;
}
data.value = { ...node.value, children: node.value.children.slice(start, end) };
}
}
mount();
}, { immediate: true, });
onMounted(() => {
mount();
})
function mount()
{
if(!element.value || !data.value)
return;
const el = element.value!;
for(let i = el.childElementCount - 1; i >= 0; i--)
{
el.removeChild(el.children[i]);
}
el.appendChild(renderMarkdown(data.value, { tag, a, blockquote, callout, h1, h2, h3, h4, h5, hr, li, small, table, td, th, ...proses }));
const hash = useRouter().currentRoute.value.hash;
if(hash.length > 0)
{
document.getElementById(parseId(hash.substring(1))!)?.scrollIntoView({ behavior: 'instant' })
}
}
</script>