| 1 | import type { CodeblockTransformContext, CodeblockTransformer, ResolvedSlidevOptions } from '@slidev/types' |
| 2 | import type { MarkdownExit } from 'markdown-exit' |
| 3 | import { ensureSuffix } from '@antfu/utils' |
| 4 | import { regexSlideSourceId } from '../../vite/common' |
| 5 | import magicMoveTransformer from './magic-move' |
| 6 | import mermaidTransformer from './mermaid' |
| 7 | import monacoTransformer from './monaco' |
| 8 | import plantUmlTransformer from './plant-uml' |
| 9 | import wrapperTransformer from './wrapper' |
| 10 | |
| 11 | export function MarkdownItCodeblocks(md: MarkdownExit, options: ResolvedSlidevOptions, extraTransformers: (CodeblockTransformer | false)[]) { |
| 12 | const oldFence = md.renderer.rules.fence! |
| 13 | md.renderer.rules.fence = async function (tokens, idx, renderOptions, env, slf) { |
| 14 | const token = tokens[idx] |
| 15 | |
| 16 | const slideNo = env.id?.match(regexSlideSourceId) |
| 17 | const ctx: CodeblockTransformContext = { |
| 18 | info: token.info.trim(), |
| 19 | code: token.content, |
| 20 | fence: token.markup.length, |
| 21 | slide: slideNo ? options.data.slides[slideNo[1] - 1] : null, |
| 22 | options, |
| 23 | renderHighlighted(override) { |
| 24 | if (override.info != null) |
| 25 | token.info = override.info |
| 26 | if (override.code != null) |
| 27 | token.content = override.code |
| 28 | return oldFence(tokens, idx, renderOptions, env, slf) |
| 29 | }, |
| 30 | } |
| 31 | |
| 32 | const transformers = [ |
| 33 | ...extraTransformers, |
| 34 | mermaidTransformer, |
| 35 | plantUmlTransformer, |
| 36 | magicMoveTransformer, |
| 37 | monacoTransformer, |
| 38 | wrapperTransformer, |
| 39 | ] |
| 40 | |
| 41 | for (const transformer of transformers) { |
| 42 | if (!transformer) |
| 43 | continue |
| 44 | const res = await transformer(ctx) |
| 45 | if (res != null) |
| 46 | return ensureSuffix('\n', res) |
| 47 | } |
| 48 | |
| 49 | throw new Error('Should not reach here') |
| 50 | } |
| 51 | } |
| 52 |