tablesort.jsに必要なソートタイプを含めたもの
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// ==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);
},
);
})();