Function getBoxedBase

lib/internal/util/inspect.js:1511–1549

(value, ctx, keys, constructor, tag)

}

function getBoxedBase(value, ctx, keys, constructor, tag) {
  let fn;
  let type;
  if (isNumberObject(value)) {
    fn = NumberPrototypeValueOf;
    type = 'Number';
  } else if (isStringObject(value)) {
    fn = StringPrototypeValueOf;
    type = 'String';
    // For boxed Strings, we have to remove the 0-n indexed entries,
    // since they just noisy up the output and are redundant
    // Make boxed primitive Strings look like such
    keys.splice(0, value.length);
  } else if (isBooleanObject(value)) {
    fn = BooleanPrototypeValueOf;
    type = 'Boolean';
  } else if (isBigIntObject(value)) {
    fn = BigIntPrototypeValueOf;
    type = 'BigInt';
  } else {
    fn = SymbolPrototypeValueOf;
    type = 'Symbol';
  }
  let base = `[${type}`;
  if (type !== constructor) {
    if (constructor === null) {
      base += ' (null prototype)';
    } else {
      base += ` (${constructor})`;
    }
  }
  base += `: ${formatPrimitive(stylizeNoColor, fn(value), ctx)}]`;
  if (tag !== '' && tag !== constructor) {
    base += ` [${tag}]`;
  }
  if (keys.length !== 0 || ctx.stylize === stylizeNoColor)
    return base;
  return ctx.stylize(base, StringPrototypeToLowerCase(type));
}

function getClassBase(value, constructor, tag) {
  const hasName = ObjectPrototypeHasOwnProperty(value, 'name');