1  // Minimal replacement for ansi string helpers "wrap-ansi" and "strip-ansi".
 2  // to facilitate ESM and Deno modules.
 3  // TODO: look at porting https://www.npmjs.com/package/wrap-ansi to ESM.
 4  // The npm application
 5  // Copyright (c) npm, Inc. and Contributors
 6  // Licensed on the terms of The Artistic License 2.0
 7  // See: https://github.com/npm/cli/blob/4c65cd952bc8627811735bea76b9b110cc4fc80e/lib/utils/ansi-trim.js
 8  const ansi = new RegExp('\x1b(?:\\[(?:\\d+[ABCDEFGJKSTm]|\\d+;\\d+[Hfm]|' +
 9      '\\d+;\\d+;\\d+m|6n|s|u|\\?25[lh])|\\w)', 'g');
10  export function stripAnsi(str) {
11      return str.replace(ansi, '');
12  }
13  export function wrap(str, width) {
14      const [start, end] = str.match(ansi) || ['', ''];
15      str = stripAnsi(str);
16      let wrapped = '';
17      for (let i = 0; i < str.length; i++) {
18          if (i !== 0 && (i % width) === 0) {
19              wrapped += '\n';
20          }
21          wrapped += str.charAt(i);
22      }
23      if (start && end) {
24          wrapped = `${start}${wrapped}${end}`;
25      }
26      return wrapped;
27  }