Function resolveVariables

src/evaluatorHelpers.ts:54–93

(
  variables: Record<string, VarValue>,
  skipResolveVars?: string[],
  varsResolvedFromSkipped?: Set<string>,
)

}

export function resolveVariables(
  variables: Record<string, VarValue>,
  skipResolveVars?: string[],
  varsResolvedFromSkipped?: Set<string>,
): Record<string, VarValue> {
  let resolved: boolean;
  const regex = /\{\{\s*(\w+)\s*\}\}/; // Matches {{variableName}}, {{ variableName }}, etc.

  let iterations = 0;
  do {
    resolved = true;
    for (const key of Object.keys(variables)) {
      if (
        skipResolveVars?.includes(key) ||
        varsResolvedFromSkipped?.has(key) ||
        typeof variables[key] !== 'string'
      ) {
        continue;
      }
      const value = variables[key] as string;
      const match = regex.exec(value);
      if (match) {
        const [placeholder, varName] = match;
        if (variables[varName] === undefined) {
          // Do nothing - final nunjucks render will fail if necessary.
          // logger.warn(`Variable "${varName}" not found for substitution.`);
        } else {
          variables[key] = value.replace(placeholder, variables[varName] as string);
          if (skipResolveVars?.includes(varName) || varsResolvedFromSkipped?.has(varName)) {
            varsResolvedFromSkipped?.add(key);
          }
          resolved = false; // Indicate that we've made a replacement and should check again
        }
      }
    }
    iterations++;
  } while (!resolved && iterations < 5);

  return variables;
}

// Utility: Detect partial/unclosed Nunjucks tags and wrap in {% raw %} if needed
function autoWrapRawIfPartialNunjucks(prompt: string): string {