Function stringify

test/javascript/parse-test.ts:20–22

(key: string, value: any)

// Convert to a serializable representation.
function stringify(key: string, value: any): any {
  return typeof value === "bigint" ? value.toString() : value instanceof Map ? [...value] : value;
}

function runTests(inputRoot: string, outputRoot: string, filter: (name: string) => boolean = () => true) {
  for (const name of readdirSync(inputRoot)) {