mirror of
https://github.com/elk-zone/elk.git
synced 2024-09-07 04:39:10 +01:00
130 lines
3.7 KiB
TypeScript
130 lines
3.7 KiB
TypeScript
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 TiptapPluginCodeBlockShiki = 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
|
|
|
|
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
|
|
}
|