safeParseAst() — astro Function Reference

Architecture documentation for the safeParseAst() function in parseAstro.ts from the astro codebase.

Function typescript CoreAstro CoreMiddleware called by 1

Entity Profile

CoreAstro→ CoreMiddleware→ safeParseAst() — astro Function Reference

Dependency Diagram

graph TD
  92c77695_f5e4_ba84_e352_bad33ff64189["safeParseAst()"]
  0fc8da77_17d5_93f4_f8a7_0d74e4ce41d9["parseAstro.ts"]
  92c77695_f5e4_ba84_e352_bad33ff64189 -->|defined in| 0fc8da77_17d5_93f4_f8a7_0d74e4ce41d9
  b2606d14_70c4_bc93_1789_07a66f3d3311["getAstroMetadata()"]
  b2606d14_70c4_bc93_1789_07a66f3d3311 -->|calls| 92c77695_f5e4_ba84_e352_bad33ff64189
  style 92c77695_f5e4_ba84_e352_bad33ff64189 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/language-tools/language-server/src/core/parseAstro.ts lines 23–52

function safeParseAst(fileName: string, input: string, parseOptions: ParseOptions): ParseResult {
	try {
		const parseResult = parse(input, parseOptions);
		return parseResult;
	} catch (e) {
		console.error(
			`There was an error parsing ${fileName}'s AST. An empty AST will be returned instead to avoid breaking the server. Please create an issue: https://github.com/withastro/astro/issues\nError: ${e}.`,
		);

		return {
			ast: {
				type: 'root',
				children: [],
			},
			diagnostics: [
				{
					code: 1000,
					location: {
						file: fileName,
						line: 1,
						column: 1,
						length: input.length,
					},
					severity: 1,
					text: `The Astro compiler encountered an unknown error while parsing this file's AST. Please create an issue with your code and the error shown in the server's logs: https://github.com/withastro/astro/issues`,
				},
			],
		};
	}
}