@gold.au/pancake-sass/lib/helpers.js

A Pancake plugin to compile sass files.

/***************************************************************************************************************************************************************
 *
 * Helper methods
 *
 * @repo    - https://github.com/designsystemau/pancake
 * @author  - Dominik Wilkowski
 * @license - https://raw.githubusercontent.com/designsystemau/pancake/master/LICENSE (MIT)
 *
 **************************************************************************************************************************************************************/
'use strict'; //--------------------------------------------------------------------------------------------------------------------------------------------------------------
// Dependencies
//--------------------------------------------------------------------------------------------------------------------------------------------------------------
// const Path = require( 'path' );
// const Fs = require( 'fs' );
//--------------------------------------------------------------------------------------------------------------------------------------------------------------
// Included modules
//--------------------------------------------------------------------------------------------------------------------------------------------------------------
// import { Log, Style } = require( '@gold.au/pancake' );
//--------------------------------------------------------------------------------------------------------------------------------------------------------------
// Default export
//--------------------------------------------------------------------------------------------------------------------------------------------------------------

/**
 * Remove duplicated lines
 *
 * @param  {string} content - A bunch of lines that COULD have duplicates
 *
 * @return {string}         - Removed duplicate lines
 */

function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }

function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

module.exports.StripDuplicateLines = function (content) {
  var lines = content.split("\n"); //split into each line

  if (lines[lines.length - 1] === '') {
    //remove empty line at the end
    lines.pop();
  }

  var sortedLines = _toConsumableArray(new Set(lines)); //make each line unique


  return sortedLines.join("\n");
};