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/// A wrapper around the [JavaScript `Date`
/// class](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date) that
/// exposes its properties in a type-safe way. This doesn't 100% match the JS API, for example
/// `getMonth`/`setMonth` etc accessor methods are converted to properties, but the rest of it matches
/// in the naming. Parts of the JavaScript `Date` API that are not consistent across browsers and JS
/// implementations are not exposed in a type-safe manner, you should access the underlying `jsObject`
/// property if you need those.
public final class JSDate: JSBridgedClass {
/// The constructor function used to create new `Date` objects.
public static var constructor: JSObject? { _constructor.wrappedValue }
private static let _constructor = LazyThreadLocal(initialize: { JSObject.global.Date.object })
/// The underlying JavaScript `Date` object.
public let jsObject: JSObject
/** Creates a new instance of the JavaScript `Date` class with a given amount of milliseconds
that passed since midnight 01 January 1970 UTC.
*/
public init(millisecondsSinceEpoch: Double? = nil) {
if let milliseconds = millisecondsSinceEpoch {
jsObject = Self.constructor!.new(milliseconds)
} else {
jsObject = Self.constructor!.new()
}
}
/** According to the standard, `monthIndex` is zero-indexed, where `11` is December. `day`
represents a day of the month starting at `1`.
*/
public init(
year: Int,
monthIndex: Int,
day: Int = 1,
hours: Int = 0,
minutes: Int = 0,
seconds: Int = 0,
milliseconds: Int = 0
) {
jsObject = Self.constructor!.new(year, monthIndex, day, hours, minutes, seconds, milliseconds)
}
public init(unsafelyWrapping jsObject: JSObject) {
self.jsObject = jsObject
}
/// Year of this date in local time zone.
public var fullYear: Int {
get {
Int(jsObject.getFullYear!().number!)
}
set {
_ = jsObject.setFullYear!(newValue)
}
}
/// Month of this date in `0–11` range in local time zone.
public var month: Int {
get {
Int(jsObject.getMonth!().number!)
}
set {
_ = jsObject.setMonth!(newValue)
}
}
/// The day of the month in `1..31` range in local time zone.
public var date: Int {
get {
Int(jsObject.getDate!().number!)
}
set {
_ = jsObject.setDate!(newValue)
}
}
/// The day of the week in `0..6` range in local time zone.
public var day: Int {
Int(jsObject.getDay!().number!)
}
/// The amount of hours in this day from `0..23` range in local time zone.
public var hours: Int {
get {
Int(jsObject.getHours!().number!)
}
set {
_ = jsObject.setHours!(newValue)
}
}
/// The amount of minutes in this hours from `0..59` range in local time zone.
public var minutes: Int {
get {
Int(jsObject.getMinutes!().number!)
}
set {
_ = jsObject.setMinutes!(newValue)
}
}
/// The amount of seconds in this minute from `0..59` range in local time zone.
public var seconds: Int {
get {
Int(jsObject.getSeconds!().number!)
}
set {
_ = jsObject.setSeconds!(newValue)
}
}
/// The amount of milliseconds in this second `0..999` range in local time zone.
public var milliseconds: Int {
get {
Int(jsObject.getMilliseconds!().number!)
}
set {
_ = jsObject.setMilliseconds!(newValue)
}
}
/// Year of this date in the UTC time zone.
public var utcFullYear: Int {
get {
Int(jsObject.getUTCFullYear!().number!)
}
set {
_ = jsObject.setUTCFullYear!(newValue)
}
}
/// Month of this date in `0–11` range in the UTC time zone.
public var utcMonth: Int {
get {
Int(jsObject.getUTCMonth!().number!)
}
set {
_ = jsObject.setUTCMonth!(newValue)
}
}
/// The day of the month in `1..31` range in the UTC time zone.
public var utcDate: Int {
get {
Int(jsObject.getUTCDate!().number!)
}
set {
_ = jsObject.setUTCDate!(newValue)
}
}
/// The day of the week in `0..6` range in the UTC time zone.
public var utcDay: Int {
Int(jsObject.getUTCDay!().number!)
}
/// The amount of hours in this day from `0..23` range in the UTC time zone.
public var utcHours: Int {
get {
Int(jsObject.getUTCHours!().number!)
}
set {
_ = jsObject.setUTCHours!(newValue)
}
}
/// The amount of minutes in this hours from `0..59` range in the UTC time zone.
public var utcMinutes: Int {
get {
Int(jsObject.getUTCMinutes!().number!)
}
set {
_ = jsObject.setUTCMinutes!(newValue)
}
}
/// The amount of seconds in this minute from `0..59` range in the UTC time zone.
public var utcSeconds: Int {
get {
Int(jsObject.getUTCSeconds!().number!)
}
set {
_ = jsObject.setUTCSeconds!(newValue)
}
}
/// The amount of milliseconds in this second `0..999` range in the UTC time zone.
public var utcMilliseconds: Int {
get {
Int(jsObject.getUTCMilliseconds!().number!)
}
set {
_ = jsObject.setUTCMilliseconds!(newValue)
}
}
/// Offset in minutes between the local time zone and UTC.
public var timezoneOffset: Int {
Int(jsObject.getTimezoneOffset!().number!)
}
/// Returns a string conforming to ISO 8601 that contains date and time, e.g.
/// `"2020-09-15T08:56:54.811Z"`.
public func toISOString() -> String {
jsObject.toISOString!().string!
}
/// Returns a string with date parts in a format defined by user's locale, e.g. `"9/15/2020"`.
public func toLocaleDateString() -> String {
jsObject.toLocaleDateString!().string!
}
/// Returns a string with time parts in a format defined by user's locale, e.g. `"10:04:14"`.
public func toLocaleTimeString() -> String {
jsObject.toLocaleTimeString!().string!
}
/** Returns a string formatted according to
[rfc7231](https://tools.ietf.org/html/rfc7231#section-7.1.1.1) and modified according to
[ecma-262](https://www.ecma-international.org/ecma-262/10.0/index.html#sec-date.prototype.toutcstring),
e.g. `Tue, 15 Sep 2020 09:04:40 GMT`.
*/
public func toUTCString() -> String {
jsObject.toUTCString!().string!
}
/** Number of milliseconds since midnight 01 January 1970 UTC to the present moment ignoring
leap seconds.
*/
public static func now() -> Double {
constructor!.now!().number!
}
/** Number of milliseconds since midnight 01 January 1970 UTC to the given date ignoring leap
seconds.
*/
public func valueOf() -> Double {
jsObject.valueOf!().number!
}
}
extension JSDate: Comparable {
public static func == (lhs: JSDate, rhs: JSDate) -> Bool {
return lhs.valueOf() == rhs.valueOf()
}
public static func < (lhs: JSDate, rhs: JSDate) -> Bool {
return lhs.valueOf() < rhs.valueOf()
}
}