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feat: add astro support for language server
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70 changes: 70 additions & 0 deletions
70
packages/graphql-language-service-server/src/parsers/astro.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| import { parse } from 'astrojs-compiler-sync'; | ||
| import { Position, Range } from 'graphql-language-service'; | ||
| import { RangeMapper, SourceParser } from './types'; | ||
| import { babelParser } from './babel'; | ||
|
|
||
| type ParseAstroResult = | ||
| | { type: 'error'; errors: string[] } | ||
| | { | ||
| type: 'ok'; | ||
| scriptOffset: number; | ||
| scriptAst: any[]; | ||
| }; | ||
|
|
||
| function parseAstro(source: string): ParseAstroResult { | ||
| // eslint-disable-next-line unicorn/no-useless-undefined | ||
| const { ast, diagnostics } = parse(source, undefined); | ||
| if (diagnostics.some(d => d.severity === /* Error */ 1)) { | ||
| return { | ||
| type: 'error', | ||
| errors: diagnostics.map(d => JSON.stringify(d)), | ||
| }; | ||
| } | ||
|
|
||
| for (const node of ast.children) { | ||
| if (node.type === 'frontmatter') { | ||
| try { | ||
| return { | ||
| type: 'ok', | ||
| scriptOffset: (node.position?.start.line ?? 1) - 1, | ||
| scriptAst: [babelParser(node.value, ['typescript'])], | ||
| }; | ||
| } catch (error) { | ||
| return { | ||
| type: 'error', | ||
| errors: [String(error)], | ||
| }; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return { type: 'error', errors: ['Could not find frontmatter block'] }; | ||
| } | ||
|
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||
|
|
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| export const astroParser: SourceParser = (text, uri, logger) => { | ||
| const parseAstroResult = parseAstro(text); | ||
| if (parseAstroResult.type === 'error') { | ||
| logger.error( | ||
| `Could not parse the astro file at ${uri} to extract the graphql tags:`, | ||
| ); | ||
| for (const error of parseAstroResult.errors) { | ||
| logger.error(String(error)); | ||
| } | ||
| return null; | ||
| } | ||
|
|
||
| const rangeMapper: RangeMapper = range => { | ||
| return new Range( | ||
| new Position( | ||
| range.start.line + parseAstroResult.scriptOffset, | ||
| range.start.character, | ||
| ), | ||
| new Position( | ||
| range.end.line + parseAstroResult.scriptOffset, | ||
| range.end.character, | ||
| ), | ||
| ); | ||
| }; | ||
| return { asts: parseAstroResult.scriptAst, rangeMapper }; | ||
| }; |
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