Function __mlHelper

external/.datatables.js:11335–11419

(localeString)

	// Wrapper for date, datetime and time which all operate the same way with the exception of
	// the output string for auto locale support
	function __mlHelper(localeString) {
		return function (from, to, locale, def) {
			// Luxon and Moment support
			// Argument shifting
			if (arguments.length === 0) {
				locale = "en"
				to = null // means toLocaleString
				from = null // means iso8601
			} else if (arguments.length === 1) {
				locale = "en"
				to = from
				from = null
			} else if (arguments.length === 2) {
				locale = to
				to = from
				from = null
			}

			var typeName = "datetime" + (to ? "-" + to : "")

			// Add type detection and sorting specific to this date format - we need to be able to identify
			// date type columns as such, rather than as numbers in extensions. Hence the need for this.
			if (!DataTable.ext.type.order[typeName]) {
				DataTable.type(typeName, {
					detect: function (d) {
						// The renderer will give the value to type detect as the type!
						return d === typeName ? typeName : false
					},
					order: {
						pre: function (d) {
							// The renderer gives us Moment, Luxon or Date obects for the sorting, all of which have a
							// `valueOf` which gives milliseconds epoch
							return d.valueOf()
						}
					},
					className: "dt-right"
				})
			}

			return function (d, type) {
				// Allow for a default value
				if (d === null || d === undefined) {
					if (def === "--now") {
						// We treat everything as UTC further down, so no changes are
						// made, as such need to get the local date / time as if it were
						// UTC
						var local = new Date()
						d = new Date(Date.UTC(local.getFullYear(), local.getMonth(), local.getDate(), local.getHours(), local.getMinutes(), local.getSeconds()))
					} else {
						d = ""
					}
				}

				if (type === "type") {
					// Typing uses the type name for fast matching
					return typeName
				}