diff default/node_modules/tablesaw/dist/dependencies/naturalsort.js @ 0:1d038bc9b3d2 default tip

Up:default
author Liny <dev@neowd.com>
date Sat, 31 May 2025 09:21:51 +0800
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/default/node_modules/tablesaw/dist/dependencies/naturalsort.js	Sat May 31 09:21:51 2025 +0800
@@ -0,0 +1,45 @@
+/*
+ * Natural Sort algorithm for Javascript - Version 0.7 - Released under MIT license
+ * Author: Jim Palmer (based on chunking idea from Dave Koelle)
+ */
+/*jshint unused:false */
+module.exports = function naturalSort (a, b) {
+	"use strict";
+	var re = /(^([+\-]?(?:0|[1-9]\d*)(?:\.\d*)?(?:[eE][+\-]?\d+)?)?$|^0x[0-9a-f]+$|\d+)/gi,
+		sre = /(^[ ]*|[ ]*$)/g,
+		dre = /(^([\w ]+,?[\w ]+)?[\w ]+,?[\w ]+\d+:\d+(:\d+)?[\w ]?|^\d{1,4}[\/\-]\d{1,4}[\/\-]\d{1,4}|^\w+, \w+ \d+, \d{4})/,
+		hre = /^0x[0-9a-f]+$/i,
+		ore = /^0/,
+		i = function(s) { return naturalSort.insensitive && ('' + s).toLowerCase() || '' + s; },
+		// convert all to strings strip whitespace
+		x = i(a).replace(sre, '') || '',
+		y = i(b).replace(sre, '') || '',
+		// chunk/tokenize
+		xN = x.replace(re, '\0$1\0').replace(/\0$/,'').replace(/^\0/,'').split('\0'),
+		yN = y.replace(re, '\0$1\0').replace(/\0$/,'').replace(/^\0/,'').split('\0'),
+		// numeric, hex or date detection
+		xD = parseInt(x.match(hre), 16) || (xN.length !== 1 && x.match(dre) && Date.parse(x)),
+		yD = parseInt(y.match(hre), 16) || xD && y.match(dre) && Date.parse(y) || null,
+		oFxNcL, oFyNcL;
+	// first try and sort Hex codes or Dates
+	if (yD) {
+		if ( xD < yD ) { return -1; }
+		else if ( xD > yD ) { return 1; }
+	}
+	// natural sorting through split numeric strings and default strings
+	for(var cLoc=0, numS=Math.max(xN.length, yN.length); cLoc < numS; cLoc++) {
+		// find floats not starting with '0', string or 0 if not defined (Clint Priest)
+		oFxNcL = !(xN[cLoc] || '').match(ore) && parseFloat(xN[cLoc]) || xN[cLoc] || 0;
+		oFyNcL = !(yN[cLoc] || '').match(ore) && parseFloat(yN[cLoc]) || yN[cLoc] || 0;
+		// handle numeric vs string comparison - number < string - (Kyle Adams)
+		if (isNaN(oFxNcL) !== isNaN(oFyNcL)) { return (isNaN(oFxNcL)) ? 1 : -1; }
+		// rely on string comparison if different types - i.e. '02' < 2 != '02' < '2'
+		else if (typeof oFxNcL !== typeof oFyNcL) {
+			oFxNcL += '';
+			oFyNcL += '';
+		}
+		if (oFxNcL < oFyNcL) { return -1; }
+		if (oFxNcL > oFyNcL) { return 1; }
+	}
+	return 0;
+};