function lintCreateTheme()

in packages/eslint-plugin-baseui/src/deprecated-theme-api.js [266:299]

• 25 lines of code
• 11 McCabe index (conditional complexity)

function lintCreateTheme(context, node) {
  // Is createTheme being imported from "baseui"?
  let importSpecifier;

  const program = context.getAncestors(node).find((node) => node.type === 'Program');
  const importDeclaration = program.body.find(
    (node) => node.type === 'ImportDeclaration' && node.source.value === 'baseui'
  );

  if (importDeclaration && importDeclaration.specifiers) {
    importSpecifier = importDeclaration.specifiers.find(
      (specifier) => specifier.imported.name === 'createTheme'
    );
  }

  if (importSpecifier) {
    // Is our current node an object property in an object
    // passed as the second argument to createTheme?
    if (
      node.parent.type === 'Property' &&
      node.parent.parent.type === 'ObjectExpression' &&
      node.parent.parent.parent.type === 'CallExpression' &&
      node.parent.parent.parent.arguments[1] &&
      node.parent.parent.parent.arguments[1] === node.parent.parent &&
      node.parent.parent.parent.callee.name === 'createTheme'
    ) {
      // Yes it is.
      return true;
    }
  }

  // If we've reached here then we can't flag anything.
  return false;
}