blob: 4b87453a66f717e934e6af1147efb53e347868e2 [file] [log] [blame]
// 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;
}