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