tablesort-library

tablesort.jsに必要なソートタイプを含めたもの

Version vom 14.08.2023. Aktuellste Version

Dieses Skript sollte nicht direkt installiert werden. Es handelt sich hier um eine Bibliothek für andere Skripte, welche über folgenden Befehl in den Metadaten eines Skriptes eingebunden wird // @require https://update.greasyfork.org/scripts/473024/1234866/tablesort-library.js

// ==UserScript==
// @name         tablesort-library
// @namespace    https://greasyfork.org/
// @version      5.2.1
// @description  tablesort.jsに必要なソートタイプを含めたもの
// @author       ame-chan
// @copyright    (c) Tristen Brown https://github.com/tristen/tablesort
// @license      MIT
// @run-at       document-idle
// @noframes
// ==/UserScript==
// https://github.com/tristen/tablesort/blob/master/src/tablesort.js
(function () {
  function Tablesort(el, options) {
    if (!(this instanceof Tablesort)) return new Tablesort(el, options);
    if (!el || el.tagName !== 'TABLE') {
      throw new Error('Element must be a table');
    }
    this.init(el, options || {});
  }
  var sortOptions = [];
  var createEvent = function (name) {
    var evt;
    if (!window.CustomEvent || typeof window.CustomEvent !== 'function') {
      evt = document.createEvent('CustomEvent');
      evt.initCustomEvent(name, false, false, undefined);
    } else {
      evt = new CustomEvent(name);
    }
    return evt;
  };
  var getInnerText = function (el, options) {
    return el.getAttribute(options.sortAttribute || 'data-sort') || el.textContent || el.innerText || '';
  };
  // Default sort method if no better sort method is found
  var caseInsensitiveSort = function (a, b) {
    a = a.trim().toLowerCase();
    b = b.trim().toLowerCase();
    if (a === b) return 0;
    if (a < b) return 1;
    return -1;
  };
  var getCellByKey = function (cells, key) {
    return [].slice.call(cells).find(function (cell) {
      return cell.getAttribute('data-sort-column-key') === key;
    });
  };
  // Stable sort function
  // If two elements are equal under the original sort function,
  // then there relative order is reversed
  var stabilize = function (sort, antiStabilize) {
    return function (a, b) {
      var unstableResult = sort(a.td, b.td);
      if (unstableResult === 0) {
        if (antiStabilize) return b.index - a.index;
        return a.index - b.index;
      }
      return unstableResult;
    };
  };
  Tablesort.extend = function (name, pattern, sort) {
    if (typeof pattern !== 'function' || typeof sort !== 'function') {
      throw new Error('Pattern and sort must be a function');
    }
    sortOptions.push({
      name: name,
      pattern: pattern,
      sort: sort,
    });
  };
  Tablesort.prototype = {
    init: function (el, options) {
      var that = this,
        firstRow,
        defaultSort,
        i,
        cell;
      that.table = el;
      that.thead = false;
      that.options = options;
      if (el.rows && el.rows.length > 0) {
        if (el.tHead && el.tHead.rows.length > 0) {
          for (i = 0; i < el.tHead.rows.length; i++) {
            if (el.tHead.rows[i].getAttribute('data-sort-method') === 'thead') {
              firstRow = el.tHead.rows[i];
              break;
            }
          }
          if (!firstRow) {
            firstRow = el.tHead.rows[el.tHead.rows.length - 1];
          }
          that.thead = true;
        } else {
          firstRow = el.rows[0];
        }
      }
      if (!firstRow) return;
      var onClick = function () {
        if (that.current && that.current !== this) {
          that.current.removeAttribute('aria-sort');
        }
        that.current = this;
        that.sortTable(this);
      };
      // Assume first row is the header and attach a click handler to each.
      for (i = 0; i < firstRow.cells.length; i++) {
        cell = firstRow.cells[i];
        cell.setAttribute('role', 'columnheader');
        if (cell.getAttribute('data-sort-method') !== 'none') {
          cell.tabindex = 0;
          cell.addEventListener('click', onClick, false);
          if (cell.getAttribute('data-sort-default') !== null) {
            defaultSort = cell;
          }
        }
      }
      if (defaultSort) {
        that.current = defaultSort;
        that.sortTable(defaultSort);
      }
    },
    sortTable: function (header, update) {
      var that = this,
        columnKey = header.getAttribute('data-sort-column-key'),
        column = header.cellIndex,
        sortFunction = caseInsensitiveSort,
        item = '',
        items = [],
        i = that.thead ? 0 : 1,
        sortMethod = header.getAttribute('data-sort-method'),
        sortOrder = header.getAttribute('aria-sort');
      that.table.dispatchEvent(createEvent('beforeSort'));
      // If updating an existing sort, direction should remain unchanged.
      if (!update) {
        if (sortOrder === 'ascending') {
          sortOrder = 'descending';
        } else if (sortOrder === 'descending') {
          sortOrder = 'ascending';
        } else {
          sortOrder = that.options.descending ? 'descending' : 'ascending';
        }
        header.setAttribute('aria-sort', sortOrder);
      }
      if (that.table.rows.length < 2) return;
      // If we force a sort method, it is not necessary to check rows
      if (!sortMethod) {
        var cell;
        while (items.length < 3 && i < that.table.tBodies[0].rows.length) {
          if (columnKey) {
            cell = getCellByKey(that.table.tBodies[0].rows[i].cells, columnKey);
          } else {
            cell = that.table.tBodies[0].rows[i].cells[column];
          }
          // Treat missing cells as empty cells
          item = cell ? getInnerText(cell, that.options) : '';
          item = item.trim();
          if (item.length > 0) {
            items.push(item);
          }
          i++;
        }
        if (!items) return;
      }
      for (i = 0; i < sortOptions.length; i++) {
        item = sortOptions[i];
        if (sortMethod) {
          if (item.name === sortMethod) {
            sortFunction = item.sort;
            break;
          }
        } else if (items.every(item.pattern)) {
          sortFunction = item.sort;
          break;
        }
      }
      that.col = column;
      for (i = 0; i < that.table.tBodies.length; i++) {
        var newRows = [],
          noSorts = {},
          j,
          totalRows = 0,
          noSortsSoFar = 0;
        if (that.table.tBodies[i].rows.length < 2) continue;
        for (j = 0; j < that.table.tBodies[i].rows.length; j++) {
          var cell;
          item = that.table.tBodies[i].rows[j];
          if (item.getAttribute('data-sort-method') === 'none') {
            // keep no-sorts in separate list to be able to insert
            // them back at their original position later
            noSorts[totalRows] = item;
          } else {
            if (columnKey) {
              cell = getCellByKey(item.cells, columnKey);
            } else {
              cell = item.cells[that.col];
            }
            // Save the index for stable sorting
            newRows.push({
              tr: item,
              td: cell ? getInnerText(cell, that.options) : '',
              index: totalRows,
            });
          }
          totalRows++;
        }
        // Before we append should we reverse the new array or not?
        // If we reverse, the sort needs to be `anti-stable` so that
        // the double negatives cancel out
        if (sortOrder === 'descending') {
          newRows.sort(stabilize(sortFunction, true));
        } else {
          newRows.sort(stabilize(sortFunction, false));
          newRows.reverse();
        }
        // append rows that already exist rather than creating new ones
        for (j = 0; j < totalRows; j++) {
          if (noSorts[j]) {
            // We have a no-sort row for this position, insert it here.
            item = noSorts[j];
            noSortsSoFar++;
          } else {
            item = newRows[j - noSortsSoFar].tr;
          }
          // appendChild(x) moves x if already present somewhere else in the DOM
          that.table.tBodies[i].appendChild(item);
        }
      }
      that.table.dispatchEvent(createEvent('afterSort'));
    },
    refresh: function () {
      if (this.current !== undefined) {
        this.sortTable(this.current, true);
      }
    },
  };
  if (typeof module !== 'undefined' && module.exports) {
    module.exports = Tablesort;
  } else {
    window.Tablesort = Tablesort;
  }
})();
// https://github.com/tristen/tablesort/blob/master/src/sorts/tablesort.number.js
(function () {
  var cleanNumber = function (i) {
      return i.replace(/[^\-?0-9.]/g, '');
    },
    compareNumber = function (a, b) {
      a = parseFloat(a);
      b = parseFloat(b);
      a = isNaN(a) ? 0 : a;
      b = isNaN(b) ? 0 : b;
      return a - b;
    };
  window.Tablesort.extend(
    'number',
    function (item) {
      return (
        item.match(/^[-+]?[£\x24Û¢´€]?\d+\s*([,\.]\d{0,2})/) || // Prefixed currency
        item.match(/^[-+]?\d+\s*([,\.]\d{0,2})?[£\x24Û¢´€]/) || // Suffixed currency
        item.match(/^[-+]?(\d)*-?([,\.]){0,1}-?(\d)+([E,e][\-+][\d]+)?%?$/)
      ); // Number
    },
    function (a, b) {
      a = cleanNumber(a);
      b = cleanNumber(b);
      return compareNumber(b, a);
    },
  );
})();