Function formatScreenshotDiffStatusLines

src/utils/output.ts:328–352

(data: ScreenshotDiffResult, useColor: boolean)

}

function formatScreenshotDiffStatusLines(data: ScreenshotDiffResult, useColor: boolean): string[] {
  if (data.match === true) {
    const indicator = useColor ? colorize('✓', 'green') : '✓';
    return [`${indicator} Screenshots match.`];
  }

  const dimensionMismatch = data.dimensionMismatch;
  const indicator = useColor ? colorize('✗', 'red') : '✗';
  if (dimensionMismatch) {
    const expected = dimensionMismatch.expected;
    const actual = dimensionMismatch.actual;
    return [
      `${indicator} Screenshots have different dimensions: ` +
        `expected ${expected?.width}x${expected?.height}, ` +
        `got ${actual?.width}x${actual?.height}`,
    ];
  }

  const differentPixels = toNumber(data.differentPixels);
  const mismatchPercentage = toNumber(data.mismatchPercentage);
  const pctLabel =
    mismatchPercentage === 0 && differentPixels > 0 ? '<0.01' : String(mismatchPercentage);
  const summary = `${pctLabel}% pixels differ`;
  return [`${indicator} ${useColor ? colorize(summary, 'red') : summary}`];
}

function formatScreenshotDiffArtifactLines(
  data: ScreenshotDiffResult,