dentist/dist/index.js

NodeJS string dedenting module – make your template strings look nice!

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.dedent = dedent;

function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }

// loosely based on https://github.com/sindresorhus/strip-indent
function dedent(str) {
  // remove preceding newline and trailing newline followed by whitespace
  var trimmedStr = str.replace(/^\n/, '').replace(/\n\s*$/, '');

  // match whitespace in beginning of each line
  var matches = trimmedStr.match(/^[ \t]*(?=\S)/gm);

  // nothing to do?
  if (!matches) return trimmedStr;

  // get minimum indentation level
  var indent = Math.min.apply(Math, _toConsumableArray(matches.map(function (match) {
    return match.length;
  })));

  // no indentation that needs to be removed?
  if (!indent) return trimmedStr;

  // remove indentation
  return trimmedStr.replace(new RegExp('^[ \\t]{' + indent + '}', 'gm'), '');
}