index.js 365 B

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  1. 'use strict';
  2. module.exports = str => {
  3. const match = str.match(/^[ \t]*(?=\S)/gm);
  4. if (!match) {
  5. return str;
  6. }
  7. // TODO: use spread operator when targeting Node.js 6
  8. const indent = Math.min.apply(Math, match.map(x => x.length)); // eslint-disable-line
  9. const re = new RegExp(`^[ \\t]{${indent}}`, 'gm');
  10. return indent > 0 ? str.replace(re, '') : str;
  11. };