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feat: code highlight for tiptap

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This commit is contained in:
Anthony Fu 2022-12-13 14:02:43 +01:00
parent 854d861766
commit 75f49461de
7 changed files with 181 additions and 69 deletions
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31
components/tiptap/TiptapCodeBlock.vue
View file

@ -4,8 +4,24 @@ import { NodeViewContent, NodeViewWrapper, nodeViewProps } from '@tiptap/vue-3'
const props = defineProps(nodeViewProps)
const languages = [
'js',
'ts',
'c',
'cpp',
'csharp',
'css',
'dart',
'go',
'html',
'java',
'javascript',
'jsx',
'kotlin',
'python',
'rust',
'svelte',
'swift',
'tsx',
'typescript',
'vue',
]
const selectedLanguage = computed({
@ -20,8 +36,13 @@ const selectedLanguage = computed({
<template>
<NodeViewWrapper>
<div relative my2 class="code-block">
<select v-model="selectedLanguage" contenteditable="false" absolute top-1 right-1 rounded px2 op0 hover:op100 focus:op100 transition>
<div relative my2>
<select
v-model="selectedLanguage"
contenteditable="false"
absolute top-1 right-1 rounded px2 op0 hover:op100 focus:op100 transition
outline-none border="~ base"
>
<option :value="null">
plain
</option>
@ -29,7 +50,7 @@ const selectedLanguage = computed({
{{ language }}
</option>
</select>
<pre><code><NodeViewContent /></code></pre>
<pre class="code-block"><code><NodeViewContent /></code></pre>
</div>
</NodeViewWrapper>
</template>

28
composables/shiki.ts
View file

@ -1,11 +1,11 @@
import type { Highlighter, Lang } from 'shiki-es'
export const shiki = ref<Highlighter>()
const shiki = ref<Highlighter>()
const registeredLang = ref(new Map<string, boolean>())
let shikiImport: Promise<void> | undefined
export function highlightCode(code: string, lang: Lang) {
export function useHightlighter(lang: Lang) {
if (!shikiImport) {
shikiImport = import('shiki-es')
.then(async (r) => {
@ -25,7 +25,7 @@ export function highlightCode(code: string, lang: Lang) {
}
if (!shiki.value)
return code
return undefined
if (!registeredLang.value.get(lang)) {
shiki.value.loadLanguage(lang)
@ -37,11 +37,27 @@ export function highlightCode(code: string, lang: Lang) {
console.error(e)
registeredLang.value.set(lang, false)
})
return code
return undefined
}
return shiki.value.codeToHtml(code, {
return shiki.value
}
export function useShikiTheme() {
return isDark.value ? 'vitesse-dark' : 'vitesse-light'
}
export function highlightCode(code: string, lang: Lang) {
const shiki = useHightlighter(lang)
if (!shiki)
return code
return shiki.codeToHtml(code, {
lang,
theme: isDark.value ? 'vitesse-dark' : 'vitesse-light',
theme: useShikiTheme(),
})
}
export function useShiki() {
return shiki
}

12
composables/tiptap.ts
View file

@ -1,4 +1,4 @@
import { Extension, VueNodeViewRenderer, useEditor } from '@tiptap/vue-3'
import { Extension, useEditor } from '@tiptap/vue-3'
import Placeholder from '@tiptap/extension-placeholder'
import Document from '@tiptap/extension-document'
import Paragraph from '@tiptap/extension-paragraph'
@ -10,11 +10,10 @@ import Bold from '@tiptap/extension-bold'
import Italic from '@tiptap/extension-italic'
import Code from '@tiptap/extension-code'
import { Plugin } from 'prosemirror-state'
import CodeBlock from '@tiptap/extension-code-block'
import type { Ref } from 'vue'
import { HashSuggestion, MentionSuggestion } from './tiptap/suggestion'
import TiptapCodeBlock from '~/components/tiptap/TiptapCodeBlock.vue'
import { CodeBlockShiki } from './tiptap/shiki'
export interface UseTiptapOptions {
content: Ref<string | undefined>
@ -56,12 +55,7 @@ export function useTiptap(options: UseTiptapOptions) {
CharacterCount.configure({
limit: characterLimit.value,
}),
CodeBlock
.extend({
addNodeView() {
return VueNodeViewRenderer(TiptapCodeBlock)
},
}),
CodeBlockShiki,
Extension.create({
name: 'api',
addKeyboardShortcuts() {

129
composables/tiptap/shiki.ts Normal file
View file

@ -0,0 +1,129 @@
import type { CodeBlockOptions } from '@tiptap/extension-code-block'
import CodeBlock from '@tiptap/extension-code-block'
import { VueNodeViewRenderer } from '@tiptap/vue-3'
import { findChildren } from '@tiptap/core'
import type { Node as ProsemirrorNode } from 'prosemirror-model'
import { Plugin, PluginKey } from 'prosemirror-state'
import { Decoration, DecorationSet } from 'prosemirror-view'
import TiptapCodeBlock from '~/components/tiptap/TiptapCodeBlock.vue'
export interface CodeBlockShikiOptions extends CodeBlockOptions {
defaultLanguage: string | null | undefined
}
export const CodeBlockShiki = CodeBlock.extend<CodeBlockShikiOptions>({
addOptions() {
return {
...this.parent?.(),
defaultLanguage: null,
}
},
addProseMirrorPlugins() {
return [
...this.parent?.() || [],
ProseMirrorShikiPlugin({
name: this.name,
}),
]
},
addNodeView() {
return VueNodeViewRenderer(TiptapCodeBlock)
},
})
function getDecorations({
doc,
name,
}: { doc: ProsemirrorNode; name: string }) {
const decorations: Decoration[] = []
findChildren(doc, node => node.type.name === name)
.forEach((block) => {
let from = block.pos + 1
const language = block.node.attrs.language || 'text'
const shiki = useHightlighter(language)
if (!shiki)
return
const lines = shiki.codeToThemedTokens(block.node.textContent, language, useShikiTheme())
lines.forEach((line) => {
line.forEach((token) => {
const decoration = Decoration.inline(from, from + token.content.length, {
style: `color: ${token.color}`,
})
decorations.push(decoration)
from += token.content.length
})
from += 1
})
})
return DecorationSet.create(doc, decorations)
}
function ProseMirrorShikiPlugin({ name }: { name: string }) {
const plugin: Plugin<any> = new Plugin({
key: new PluginKey('shiki'),
state: {
init: (_, { doc }) => getDecorations({
doc,
name,
}),
apply: (transaction, decorationSet, oldState, newState) => {
const oldNodeName = oldState.selection.$head.parent.type.name
const newNodeName = newState.selection.$head.parent.type.name
const oldNodes = findChildren(oldState.doc, node => node.type.name === name)
const newNodes = findChildren(newState.doc, node => node.type.name === name)
if (
transaction.docChanged
// Apply decorations if:
&& (
// selection includes named node,
[oldNodeName, newNodeName].includes(name)
// OR transaction adds/removes named node,
|| newNodes.length !== oldNodes.length
// OR transaction has changes that completely encapsulte a node
// (for example, a transaction that affects the entire document).
// Such transactions can happen during collab syncing via y-prosemirror, for example.
|| transaction.steps.some((step) => {
// @ts-expect-error cast
return step.from !== undefined
// @ts-expect-error cast
&& step.to !== undefined
&& oldNodes.some((node) => {
// @ts-expect-error cast
return node.pos >= step.from
// @ts-expect-error cast
&& node.pos + node.node.nodeSize <= step.to
})
})
)
) {
return getDecorations({
doc: transaction.doc,
name,
})
}
return decorationSet.map(transaction.mapping, transaction.doc)
},
},
props: {
decorations(state) {
return plugin.getState(state)
},
},
})
return plugin
}

2
package.json
View file

@ -34,7 +34,6 @@
"@pinia/nuxt": "^0.4.6",
"@tiptap/extension-character-count": "2.0.0-beta.204",
"@tiptap/extension-code-block": "2.0.0-beta.204",
"@tiptap/extension-code-block-lowlight": "2.0.0-beta.204",
"@tiptap/extension-mention": "2.0.0-beta.204",
"@tiptap/extension-paragraph": "2.0.0-beta.204",
"@tiptap/extension-placeholder": "2.0.0-beta.204",
@ -64,7 +63,6 @@
"js-yaml": "^4.1.0",
"jsdom": "^20.0.3",
"lint-staged": "^13.0.4",
"lowlight": "^2.8.0",
"lru-cache": "^7.14.1",
"masto": "^4.7.5",
"nuxt": "^3.0.0",

46
pnpm-lock.yaml
View file

@ -14,7 +14,6 @@ specifiers:
'@pinia/nuxt': ^0.4.6
'@tiptap/extension-character-count': 2.0.0-beta.204
'@tiptap/extension-code-block': 2.0.0-beta.204
'@tiptap/extension-code-block-lowlight': 2.0.0-beta.204
'@tiptap/extension-mention': 2.0.0-beta.204
'@tiptap/extension-paragraph': 2.0.0-beta.204
'@tiptap/extension-placeholder': 2.0.0-beta.204
@ -44,7 +43,6 @@ specifiers:
js-yaml: ^4.1.0
jsdom: ^20.0.3
lint-staged: ^13.0.4
lowlight: ^2.8.0
lru-cache: ^7.14.1
masto: ^4.7.5
nuxt: ^3.0.0
@ -86,7 +84,6 @@ devDependencies:
'@pinia/nuxt': 0.4.6_typescript@4.9.3
'@tiptap/extension-character-count': 2.0.0-beta.204
'@tiptap/extension-code-block': 2.0.0-beta.204
'@tiptap/extension-code-block-lowlight': 2.0.0-beta.204_czakdrv4w4d5ggkubz4l2tz4ny
'@tiptap/extension-mention': 2.0.0-beta.204_ggkstofzpnfxkp3gzsos4mewvi
'@tiptap/extension-paragraph': 2.0.0-beta.204
'@tiptap/extension-placeholder': 2.0.0-beta.204
@ -116,7 +113,6 @@ devDependencies:
js-yaml: 4.1.0
jsdom: 20.0.3
lint-staged: 13.0.4
lowlight: 2.8.0
lru-cache: 7.14.1
masto: 4.7.5
nuxt: 3.0.0_s5ps7njkmjlaqajutnox5ntcla
@ -1376,18 +1372,6 @@ packages:
prosemirror-state: 1.4.2
dev: true
/@tiptap/extension-code-block-lowlight/2.0.0-beta.204_czakdrv4w4d5ggkubz4l2tz4ny:
resolution: {integrity: sha512-6n2RWlMv7V3NANK+5UfxOMaK83ps8BucleQ/XdNcZuj/glTZco8Z+2E+kazW92c4IFrSgteriYg5ZqC2NBYXrg==}
peerDependencies:
'@tiptap/core': ^2.0.0-beta.193
'@tiptap/extension-code-block': ^2.0.0-beta.193
dependencies:
'@tiptap/extension-code-block': 2.0.0-beta.204
prosemirror-model: 1.18.3
prosemirror-state: 1.4.2
prosemirror-view: 1.29.1
dev: true
/@tiptap/extension-code-block/2.0.0-beta.204:
resolution: {integrity: sha512-IIkZsBT7rxhK7yHnM2LRQfS6i+HNQxU+E6tRtPYF40YSg1xMZSC/xDy0k+NEU/xM6ZVesRofW3voB6svFPPDtw==}
peerDependencies:
@ -1644,12 +1628,6 @@ packages:
'@types/node': 18.11.10
dev: true
/@types/hast/2.3.4:
resolution: {integrity: sha512-wLEm0QvaoawEDoTRwzTXp4b4jpwiJDvR5KMnFnVodm3scufTlBOWRD6N1OBf9TZMhjlNsSfcO5V+7AF4+Vy+9g==}
dependencies:
'@types/unist': 2.0.6
dev: true
/@types/js-yaml/4.0.5:
resolution: {integrity: sha512-FhpRzf927MNQdRZP0J5DLIdTXhjLYzeUTmLAu69mnVksLH9CJY3IuSeEgbKUki7GQZm0WqDkGzyxju2EZGD2wA==}
dev: true
@ -4508,12 +4486,6 @@ packages:
reusify: 1.0.4
dev: true
/fault/2.0.1:
resolution: {integrity: sha512-WtySTkS4OKev5JtpHXnib4Gxiurzh5NCGvWrFaZ34m6JehfTUhKZvn9njTfw48t6JumVQOmrKqpmGcdwxnhqBQ==}
dependencies:
format: 0.2.2
dev: true
/fetch-blob/3.2.0:
resolution: {integrity: sha512-7yAQpD2UMJzLi1Dqv7qFYnPbaPx7ZfFK6PiIxQ4PfkGPyNyl2Ugx+a/umUonmKqjhM4DnfbMvdX6otXq83soQQ==}
engines: {node: ^12.20 || >= 14.13}
@ -4624,11 +4596,6 @@ packages:
mime-types: 2.1.35
dev: true
/format/0.2.2:
resolution: {integrity: sha512-wzsgA6WOq+09wrU1tsJ09udeR/YZRaeArL9e1wPbFg3GG2yDnC2ldKpxs4xunpFF9DgqCqOIra3bc1HWrJ37Ww==}
engines: {node: '>=0.4.x'}
dev: true
/formdata-polyfill/4.0.10:
resolution: {integrity: sha512-buewHzMvYL29jdeQTVILecSaZKnt/RJWjoZCF5OW60Z67/GmSLBkOFM7qh1PI3zFNtJbaZL5eQu1vLfazOwj4g==}
engines: {node: '>=12.20.0'}
@ -4966,11 +4933,6 @@ packages:
tslib: 2.4.1
dev: true
/highlight.js/11.7.0:
resolution: {integrity: sha512-1rRqesRFhMO/PRF+G86evnyJkCgaZFOI+Z6kdj15TA18funfoqJXvgPCLSf0SWq3SRfg1j3HlDs8o4s3EGq1oQ==}
engines: {node: '>=12.0.0'}
dev: true
/hookable/5.4.2:
resolution: {integrity: sha512-6rOvaUiNKy9lET1X0ECnyZ5O5kSV0PJbtA5yZUgdEF7fGJEVwSLSislltyt7nFwVVALYHQJtfGeAR2Y0A0uJkg==}
dev: true
@ -5771,14 +5733,6 @@ packages:
tslib: 2.4.1
dev: true
/lowlight/2.8.0:
resolution: {integrity: sha512-WeExw1IKEkel9ZcYwzpvcFzORIB0IlleTcxJYoEuUgHASuYe/OBYbV6ym/AetG7unNVCBU/SXpgTgs2nT93mhg==}
dependencies:
'@types/hast': 2.3.4
fault: 2.0.1
highlight.js: 11.7.0
dev: true
/lru-cache/6.0.0:
resolution: {integrity: sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==}
engines: {node: '>=10'}

2
styles/global.css
View file

@ -104,7 +104,7 @@ body {
--at-apply: bg-code text-code px1 py0.5 rounded text-0.9em leading-0.8em;
}
pre code {
--at-apply: bg-transparent px0 py0 rounded-none;
--at-apply: bg-transparent px0 py0 rounded-none leading-1.6em;
}
.code-block {