string-collapse-white-space

string-collapse-white-space

Replace chunks of whitespace with a single spaces

Install

This package is pure ESM. If you're not ready yet, install an older version of this program, 9.1.0 (npm i string-collapse-white-space@9.1.0).

npm i string-collapse-white-space

Quick Take

import { strict as assert } from "assert";

import { collapse } from "string-collapse-white-space";

assert.equal(
  collapse("  aaa     bbb    ccc   dddd  ").result,
  "aaa bbb ccc dddd",
);

assert.equal(collapse("   \t\t\t   aaa   \t\t\t   ").result, "aaa");

assert.equal(
  collapse("   aaa   bbb  \n    ccc   ddd   ", { trimLines: false }).result,
  "aaa bbb \n ccc ddd",
);

assert.equal(
  collapse("   aaa   bbb  \n    ccc   ddd   ", { trimLines: true }).result,
  "aaa bbb\nccc ddd",
);

// \xa0 is an unencoded non-breaking space:
assert.equal(
  collapse(
    "     \xa0    aaa   bbb    \xa0    \n     \xa0     ccc   ddd   \xa0   ",
    { trimLines: true, trimnbsp: true },
  ).result,
  "aaa bbb\nccc ddd",
);

Documentation

Please visit codsen.com for a full description of the API.

Contributing

To report bugs or request features or assistance, raise an issue on GitHub.

Licence

MIT License.

Copyright © 2010-2025 Roy Revelt and other contributors.