Function parseSyntax

src/syntax/index.ts:99–273

(input: string)

}

export function parseSyntax(input: string): SyntaxParseResult {
  const { ast, errors } = parseSyntaxToAst(input);
  const warnings: SyntaxParseResult['warnings'] = [];
  const options: Partial<InfographicOptions> = {};

  const mergedEntries = { ...ast.entries };
  const inferredTemplate = inferTemplateFromBareFirstLine(
    ast.entries,
    warnings,
  );
  if (inferredTemplate) {
    delete mergedEntries[inferredTemplate.inferredKey];
  }

  const infographicNode = ast.entries.infographic;
  let templateFromInfographic: string | undefined;
  if (infographicNode && infographicNode.kind === 'object') {
    if (infographicNode.value) templateFromInfographic = infographicNode.value;
    Object.entries(infographicNode.entries).forEach(([key, value]) => {
      if (!(key in mergedEntries)) mergedEntries[key] = value;
    });
  }

  Object.keys(mergedEntries).forEach((key) => {
    if (!ALLOWED_ROOT_KEYS.has(key)) {
      errors.push({
        path: key,
        line: (mergedEntries[key] as SyntaxNode).line,
        code: 'unknown_key',
        message: 'Unknown top-level key.',
        raw: key,
      });
    }
  });

  const templateNode = mergedEntries.template as SyntaxNode | undefined;
  const templateValue = resolveTemplate(templateNode, errors);
  if (templateValue) options.template = templateValue;
  if (!options.template && templateFromInfographic) {
    options.template = templateFromInfographic;
  }
  if (!options.template && inferredTemplate) {
    options.template = inferredTemplate.template;
  }

  const designNode = mergedEntries.design as SyntaxNode | undefined;
  if (designNode) {
    const design = mapWithSchema(designNode, DesignSchema, 'design', errors);
    if (design) options.design = design;
  }

  const dataNode = mergedEntries.data as SyntaxNode | undefined;
  if (dataNode) {
    let relationsNode: SyntaxNode | undefined;
    let dataNodeForMapping = dataNode;
    if (dataNode.kind === 'object') {
      const { relations, ...rest } = dataNode.entries;
      relationsNode = relations;