Function normalizeConsoleValue

apps/sim/stores/terminal/console/utils.ts:102–185

(
  value: unknown,
  depth = 0,
  seen: WeakSet<object> = new WeakSet()
)

 * downstream by `truncateString` and `capNormalizedValue`, not by depth.
 */
export function normalizeConsoleValue(
  value: unknown,
  depth = 0,
  seen: WeakSet<object> = new WeakSet()
): unknown {
  if (value === null || value === undefined) {
    return value
  }

  if (typeof value === 'string') {
    return truncateString(value)
  }

  if (typeof value === 'number' || typeof value === 'boolean') {
    return value
  }

  if (typeof value === 'bigint') {
    return `${value.toString()}n`
  }

  if (typeof value === 'function') {
    return `[Function ${value.name || 'anonymous'}]`
  }

  if (typeof value === 'symbol') {
    return value.toString()
  }

  if (value instanceof Error) {
    return {
      name: value.name,
      message: truncateString(value.message),
      stack: value.stack ? truncateString(value.stack) : undefined,
    }
  }

  if (depth >= TERMINAL_CONSOLE_LIMITS.MAX_DEPTH) {
    return `[Truncated ${Array.isArray(value) ? 'array' : 'object'}]`
  }

  const objectValue = value as object

  if (seen.has(objectValue)) {
    return '[Circular]'
  }

  seen.add(objectValue)

  try {
    if (Array.isArray(value)) {
      const normalizedItems = value
        .slice(0, TERMINAL_CONSOLE_LIMITS.MAX_ARRAY_ITEMS)
        .map((item) => normalizeConsoleValue(item, depth + 1, seen))

      if (value.length > TERMINAL_CONSOLE_LIMITS.MAX_ARRAY_ITEMS) {
        normalizedItems.push(
          `[... truncated ${value.length - TERMINAL_CONSOLE_LIMITS.MAX_ARRAY_ITEMS} items]`