function isEsModuleProperty()

in src/googmodule.ts [75:95]

• 19 lines of code
• 14 McCabe index (conditional complexity)

function isEsModuleProperty(stmt: ts.ExpressionStatement): boolean {
  // We're matching the explicit source text generated by the TS compiler.
  // Object.defineProperty(exports, "__esModule", { value: true });
  const expr = stmt.expression;
  if (!ts.isCallExpression(expr)) return false;
  if (!isPropertyAccess(expr.expression, 'Object', 'defineProperty')) {
    return false;
  }
  if (expr.arguments.length !== 3) return false;
  const [exp, esM, val] = expr.arguments;
  if (!ts.isIdentifier(exp) || exp.escapedText !== 'exports') return false;
  if (!ts.isStringLiteral(esM) || esM.text !== '__esModule') return false;
  if (!ts.isObjectLiteralExpression(val) || val.properties.length !== 1) {
    return false;
  }
  const prop = val.properties[0];
  if (!ts.isPropertyAssignment(prop)) return false;
  const ident = prop.name;
  if (!ident || !ts.isIdentifier(ident) || ident.text !== 'value') return false;
  return prop.initializer.kind === ts.SyntaxKind.TrueKeyword;
}