| 1 | import type { SlidevMarkdown } from '@slidev/types' |
| 2 | import type { LanguagePlugin, VirtualCode } from '@volar/language-core' |
| 3 | import type { URI } from 'vscode-uri' |
| 4 | import { parseSync } from '@slidev/parser' |
| 5 | |
| 6 | export const slidevLanguagePlugin: LanguagePlugin<URI> = { |
| 7 | getLanguageId() { |
| 8 | return undefined |
| 9 | }, |
| 10 | createVirtualCode(uri, languageId, snapshot) { |
| 11 | if (languageId === 'markdown') { |
| 12 | const source = snapshot.getText(0, snapshot.getLength()) |
| 13 | const parsed = parseSync(source, uri.fsPath, { |
| 14 | noParseYAML: true, |
| 15 | preserveCR: true, |
| 16 | }) |
| 17 | |
| 18 | return { |
| 19 | id: 'root', |
| 20 | languageId: 'markdown', |
| 21 | mappings: [], |
| 22 | embeddedCodes: [...getEmbeddedCodes(parsed)], |
| 23 | snapshot, |
| 24 | } |
| 25 | } |
| 26 | }, |
| 27 | } |
| 28 | |
| 29 | function* getEmbeddedCodes(parsed: SlidevMarkdown): Generator<VirtualCode> { |
| 30 | const lines = parsed.raw.split('\n') |
| 31 | function lineToPos(line: number) { |
| 32 | let pos = 0 |
| 33 | for (let i = 0; i <= line && i < lines.length; i++) { |
| 34 | pos += lines[i].length + 1 |
| 35 | } |
| 36 | return pos |
| 37 | } |
| 38 | for (const { frontmatterRaw, start, contentStart, content, index } of parsed.slides) { |
| 39 | if (frontmatterRaw != null) { |
| 40 | yield { |
| 41 | id: `frontmatter_${index}`, |
| 42 | languageId: 'yaml', |
| 43 | snapshot: { |
| 44 | getText: (start, end) => frontmatterRaw.substring(start, end), |
| 45 | getLength: () => frontmatterRaw.length, |
| 46 | getChangeRange: () => undefined, |
| 47 | }, |
| 48 | mappings: [{ |
| 49 | sourceOffsets: [lineToPos(start)], |
| 50 | generatedOffsets: [0], |
| 51 | lengths: [frontmatterRaw.length], |
| 52 | data: { |
| 53 | verification: true, |
| 54 | completion: true, |
| 55 | semantic: true, |
| 56 | navigation: true, |
| 57 | structure: true, |
| 58 | format: true, |
| 59 | }, |
| 60 | }], |
| 61 | embeddedCodes: [], |
| 62 | } |
| 63 | } |
| 64 | if (content) { |
| 65 | yield { |
| 66 | id: `content_${index}`, |
| 67 | languageId: 'markdown', |
| 68 | snapshot: { |
| 69 | getText: (start, end) => content.substring(start, end), |
| 70 | getLength: () => content.length, |
| 71 | getChangeRange: () => undefined, |
| 72 | }, |
| 73 | mappings: [{ |
| 74 | sourceOffsets: [lineToPos(contentStart)], |
| 75 | generatedOffsets: [0], |
| 76 | lengths: [content.length], |
| 77 | data: { |
| 78 | verification: true, |
| 79 | completion: true, |
| 80 | semantic: true, |
| 81 | navigation: true, |
| 82 | structure: true, |
| 83 | format: false, |
| 84 | }, |
| 85 | }], |
| 86 | embeddedCodes: [], |
| 87 | } |
| 88 | } |
| 89 | } |
| 90 | } |
| 91 |