dist-javascript-algorithms-and-data-structures/dist/algorithms/sorting/selection-sort/SelectionSort.js

Algorithms and data-structures implemented on JavaScript

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _Sort = _interopRequireDefault(require("../Sort"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

class SelectionSort extends _Sort.default {
  sort(originalArray) {
    // Clone original array to prevent its modification.
    const array = [...originalArray];

    for (let i = 0; i < array.length - 1; i += 1) {
      let minIndex = i; // Call visiting callback.

      this.callbacks.visitingCallback(array[i]); // Find minimum element in the rest of array.

      for (let j = i + 1; j < array.length; j += 1) {
        // Call visiting callback.
        this.callbacks.visitingCallback(array[j]);

        if (this.comparator.lessThan(array[j], array[minIndex])) {
          minIndex = j;
        }
      } // If new minimum element has been found then swap it with current i-th element.


      if (minIndex !== i) {
        [array[i], array[minIndex]] = [array[minIndex], array[i]];
      }
    }

    return array;
  }

}

exports.default = SelectionSort;