Function inspect

lib/internal/util/inspect.js:354–410

(value, opts)

 */
/* Legacy: value, showHidden, depth, colors */
function inspect(value, opts) {
  // Default options
  const ctx = {
    budget: {},
    indentationLvl: 0,
    seen: [],
    currentDepth: 0,
    stylize: stylizeNoColor,
    showHidden: inspectDefaultOptions.showHidden,
    depth: inspectDefaultOptions.depth,
    colors: inspectDefaultOptions.colors,
    customInspect: inspectDefaultOptions.customInspect,
    showProxy: inspectDefaultOptions.showProxy,
    maxArrayLength: inspectDefaultOptions.maxArrayLength,
    maxStringLength: inspectDefaultOptions.maxStringLength,
    breakLength: inspectDefaultOptions.breakLength,
    compact: inspectDefaultOptions.compact,
    sorted: inspectDefaultOptions.sorted,
    getters: inspectDefaultOptions.getters,
    numericSeparator: inspectDefaultOptions.numericSeparator,
  };
  if (arguments.length > 1) {
    // Legacy...
    if (arguments.length > 2) {
      if (arguments[2] !== undefined) {
        ctx.depth = arguments[2];
      }
      if (arguments.length > 3 && arguments[3] !== undefined) {
        ctx.colors = arguments[3];
      }
    }
    // Set user-specified options
    if (typeof opts === 'boolean') {
      ctx.showHidden = opts;
    } else if (opts) {
      const optKeys = ObjectKeys(opts);
      for (let i = 0; i < optKeys.length; ++i) {
        const key = optKeys[i];
        // TODO(BridgeAR): Find a solution what to do about stylize. Either make
        // this function public or add a new API with a similar or better
        // functionality.
        if (
          ObjectPrototypeHasOwnProperty(inspectDefaultOptions, key) ||
          key === 'stylize') {
          ctx[key] = opts[key];
        } else if (ctx.userOptions === undefined) {
          // This is required to pass through the actual user input.
          ctx.userOptions = opts;
        }
      }
    }
  }
  if (ctx.colors) ctx.stylize = stylizeWithColor;
  if (ctx.maxArrayLength === null) ctx.maxArrayLength = Infinity;
  if (ctx.maxStringLength === null) ctx.maxStringLength = Infinity;
  return formatValue(ctx, value, 0);
}
inspect.custom = customInspectSymbol;