Function removeNewlines

src/native-ts/color-diff/index.ts:648–657

(h: Highlight)

}

function removeNewlines(h: Highlight): void {
  h.lines = h.lines.map(line =>
    line.flatMap(([style, text]) =>
      text
        .split('\n')
        .filter(p => p.length > 0)
        .map((p): Block => [style, p]),
    ),
  )
}

function charWidth(ch: string): number {
  return stringWidth(ch)