Function stringify

packages/jest-matcher-utils/src/index.ts:94–126

(
  object: unknown,
  maxDepth = 10,
  maxWidth = 10,
)

);

export const stringify = (
  object: unknown,
  maxDepth = 10,
  maxWidth = 10,
): string => {
  const MAX_LENGTH = 10_000;
  let result;

  try {
    result = prettyFormat(object, {
      maxDepth,
      maxWidth,
      min: true,
      plugins: PLUGINS,
    });
  } catch {
    result = prettyFormat(object, {
      callToJSON: false,
      maxDepth,
      maxWidth,
      min: true,
      plugins: PLUGINS,
    });
  }

  if (result.length >= MAX_LENGTH && maxDepth > 1) {
    return stringify(object, Math.floor(maxDepth / 2), maxWidth);
  } else if (result.length >= MAX_LENGTH && maxWidth > 1) {
    return stringify(object, maxDepth, Math.floor(maxWidth / 2));
  } else {
    return result;
  }
};

export const highlightTrailingWhitespace = (text: string): string =>
  text.replaceAll(/\s+$/gm, chalk.inverse('$&'));