Function toMatchInlineSnapshot

packages/jest-snapshot/src/index.ts:217–275

(received, propertiesOrSnapshot, inlineSnapshot)

  Context,
  [propertiesOrSnapshot?: object | string, inlineSnapshot?: string]
> = function (received, propertiesOrSnapshot, inlineSnapshot) {
  const matcherName = 'toMatchInlineSnapshot';
  let properties;

  const length = arguments.length;
  if (length === 2 && typeof propertiesOrSnapshot === 'string') {
    inlineSnapshot = propertiesOrSnapshot;
  } else if (length >= 2) {
    const options: MatcherHintOptions = {
      isNot: this.isNot,
      promise: this.promise,
    };
    if (length === 3) {
      options.secondArgument = SNAPSHOT_ARG;
      options.secondArgumentColor = noColor;
    }

    if (
      typeof propertiesOrSnapshot !== 'object' ||
      propertiesOrSnapshot === null
    ) {
      throw new Error(
        matcherErrorMessage(
          matcherHint(matcherName, undefined, PROPERTIES_ARG, options),
          `Expected ${EXPECTED_COLOR('properties')} must be an object`,
          printWithType(
            'Expected properties',
            propertiesOrSnapshot,
            printExpected,
          ),
        ),
      );
    }

    if (length === 3 && typeof inlineSnapshot !== 'string') {
      throw new Error(
        matcherErrorMessage(
          matcherHint(matcherName, undefined, PROPERTIES_ARG, options),
          'Inline snapshot must be a string',
          printWithType('Inline snapshot', inlineSnapshot, serialize),
        ),
      );
    }

    properties = propertiesOrSnapshot;
  }

  return _toMatchSnapshot({
    context: this,
    inlineSnapshot:
      inlineSnapshot === undefined
        ? undefined
        : stripAddedIndentation(inlineSnapshot),
    isInline: true,
    matcherName,
    properties,
    received,
  });