AstroVirtualCode Class — astro Architecture

Source Code

packages/language-tools/language-server/src/core/index.ts lines 143–204

export class AstroVirtualCode implements VirtualCode {
	id = 'root';
	languageId = 'astro';
	mappings!: CodeMapping[];
	embeddedCodes!: VirtualCode[];
	astroMeta!: AstroMetadata;
	compilerDiagnostics!: DiagnosticMessage[];
	htmlDocument!: HTMLDocument;
	codegenStacks = [];

	constructor(
		public fileName: string,
		public snapshot: ts.IScriptSnapshot,
	) {
		this.mappings = [
			{
				sourceOffsets: [0],
				generatedOffsets: [0],
				lengths: [this.snapshot.getLength()],
				data: {
					verification: true,
					completion: true,
					semantic: true,
					navigation: true,
					structure: true,
					format: true,
				},
			},
		];

		const tsx = astro2tsx(this.snapshot.getText(0, this.snapshot.getLength()), this.fileName);
		const astroMetadata = getAstroMetadata(
			this.fileName,
			this.snapshot.getText(0, this.snapshot.getLength()),
		);

		const { htmlDocument, virtualCode: htmlVirtualCode } = parseHTML(
			this.snapshot,
			astroMetadata.frontmatter.status === 'closed'
				? astroMetadata.frontmatter.position.end.offset
				: 0,
		);

		this.htmlDocument = htmlDocument;
		htmlVirtualCode.embeddedCodes = [
			...extractStylesheets(tsx.ranges.styles),
			...extractScriptTags(tsx.ranges.scripts),
		];

		this.astroMeta = { ...astroMetadata, tsxRanges: tsx.ranges };
		this.compilerDiagnostics = [...tsx.diagnostics, ...astroMetadata.diagnostics];
		this.embeddedCodes = [htmlVirtualCode, tsx.virtualCode];
	}

	get hasCompilationErrors(): boolean {
		return (
			// eslint-disable-next-line @typescript-eslint/no-unsafe-enum-comparison
			this.compilerDiagnostics.filter((diag) => diag.severity === (1 satisfies DiagnosticSeverity))
				.length > 0
		);
	}
}