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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| <script setup lang="ts"> | ||
| import { type JSONContent } from '@tiptap/vue-3' | ||
| const props = defineProps<{ | ||
| json?: JSONContent | ||
| html: string | ||
| }>() | ||
| const html = shallowRef(props.html) | ||
| const el = shallowRef<HTMLElement>() | ||
| onBeforeMount(hl) | ||
| watch(() => props.html, hl) | ||
| async function hl() { | ||
| if (process.server) { | ||
| return props.html | ||
| } | ||
| const _hljs = await import('highlight.js/lib/core').then(m => m.default) | ||
| const hljs = _hljs.newInstance() | ||
| const libs = await parseAndImportHighlightLibFromHtml(props.html) as any[] | ||
| libs.forEach(([lKey, lib]) => { | ||
| if (!hljs.listLanguages().includes(lKey)) { | ||
| hljs.registerLanguage(lKey, lib) | ||
| } | ||
| }) | ||
| el.value = document.createElement('div') | ||
| el.value.innerHTML = props.html | ||
| el.value.querySelectorAll('pre code').forEach((cb) => { | ||
| const language = [...cb.classList].find(i => i.startsWith('language-'))?.slice('language-'.length) | ||
| if (!language) { | ||
| return | ||
| } | ||
| cb.innerHTML = hljs.highlight(language, (cb as HTMLElement).innerText).value | ||
| }) | ||
| html.value = el.value.innerHTML | ||
| } | ||
| </script> | ||
|
|
||
| <template> | ||
| <div | ||
| class="custom-typography" | ||
| v-html="html" | ||
| /> | ||
| </template> | ||
|
|
||
| <style src="@/components/content/styles/typography.scss" lang="scss"></style> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| import type { JSONContent } from '@tiptap/core' | ||
| import { lowlight } from 'lowlight/lib/core.js' | ||
| import allLanguages from '~~/configs/hljs' | ||
|
|
||
| export type LanguageKey = keyof typeof allLanguages | ||
| export type Language = typeof allLanguages[LanguageKey] | ||
|
|
||
| export async function importHighlightLanguage(language: Language) { | ||
| return await import(`../../node_modules/highlight.js/es/languages/${language}.js`) | ||
| } | ||
|
|
||
| export async function useLowlightLanguage(language: Language) { | ||
| try { | ||
| const f = await importHighlightLanguage(language) | ||
| lowlight.registerLanguage(language, f.default) | ||
| } | ||
| catch (e) { | ||
| console.error('error on loading hljs lib:', e) | ||
| } | ||
| } | ||
| export async function parseAndImportHighlightLibFromHtml(html: string) { | ||
| const languages = getLanguagesFromHTML(html) | ||
| return Promise.all(languages.map(async lKey => [lKey, await importHighlightLanguage(allLanguages[lKey]).then(v => v.default)])) | ||
| } | ||
|
|
||
| export function getLanguagesFromHTML(html: string) { | ||
| const matchedLanguages = html.matchAll(/language-(\w+)/gm) | ||
| const languages = [] as LanguageKey[] | ||
| for (const _language of matchedLanguages) { | ||
| const language = _language[1] as LanguageKey | ||
| if (!allLanguages[language]) { | ||
| continue | ||
| } | ||
| languages.push(_language[1] as LanguageKey) | ||
| } | ||
| return languages | ||
| } | ||
| export function loadAllLanguagesInJSONContent(json: JSONContent) { | ||
| return json.content | ||
| ? Promise.allSettled(json.content?.map((node) => { | ||
| if (node.type !== 'codeBlock') { | ||
| return undefined | ||
| } | ||
|
|
||
| const language = node.attrs?.language as LanguageKey | undefined | ||
| if (!language) { | ||
| return undefined | ||
| } | ||
|
|
||
| if (lowlight.registered(language)) { | ||
| return undefined | ||
| } | ||
|
|
||
| if (!allLanguages[language]) { | ||
| return undefined | ||
| } | ||
|
|
||
| return useLowlightLanguage(allLanguages[language]) | ||
| })).then(noop) | ||
| : Promise.resolve() | ||
| } |
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