ansi-escape-code

import { assertEquals } from "https://deno.land/std@0.164.0/testing/asserts.ts";
import { trimAndParse } from "https://deno.land/x/ansi_escape_code/mod.ts";

const [trimmed, annotations] = trimAndParse(
  "\x1b[1mHe\x1b[30mll\x1b[31mo\x1b[m world"
);

assertEquals(trimmed, "Hello world");
assertEquals(annotations, [
  { offset: 0, raw: "\x1b[1m", csi: { sgr: { bold: true } } },
  { offset: 2, raw: "\x1b[30m", csi: { sgr: { foreground: 0 } } },
  { offset: 4, raw: "\x1b[31m", csi: { sgr: { foreground: 1 } } },
  { offset: 5, raw: "\x1b[m", csi: { sgr: { reset: true } } },
]);