154 lines
		
	
	
		
			5.1 KiB
		
	
	
	
		
			Haxe
		
	
	
	
	
	
		
		
			
		
	
	
			154 lines
		
	
	
		
			5.1 KiB
		
	
	
	
		
			Haxe
		
	
	
	
	
	
|  | /* | ||
|  |  * Copyright (C)2005-2019 Haxe Foundation | ||
|  |  * | ||
|  |  * Permission is hereby granted, free of charge, to any person obtaining a | ||
|  |  * copy of this software and associated documentation files (the "Software"), | ||
|  |  * to deal in the Software without restriction, including without limitation | ||
|  |  * the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
|  |  * and/or sell copies of the Software, and to permit persons to whom the | ||
|  |  * Software is furnished to do so, subject to the following conditions: | ||
|  |  * | ||
|  |  * The above copyright notice and this permission notice shall be included in | ||
|  |  * all copies or substantial portions of the Software. | ||
|  |  * | ||
|  |  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
|  |  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
|  |  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
|  |  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
|  |  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
|  |  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
|  |  * DEALINGS IN THE SOFTWARE. | ||
|  |  */ | ||
|  | 
 | ||
|  | package js; | ||
|  | 
 | ||
|  | /** | ||
|  | 	Platform-specific JavaScript Library. Provides some platform-specific functions | ||
|  | 	for the JavaScript target. | ||
|  | **/ | ||
|  | class Lib { | ||
|  | 	/** | ||
|  | 		Inserts a 'debugger' statement that will make a breakpoint if a debugger is available. | ||
|  | 	**/ | ||
|  | 	public static inline function debug() { | ||
|  | 		js.Syntax.code("debugger"); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 		Display an alert message box containing the given message. | ||
|  | 		@deprecated Use Browser.alert() instead. | ||
|  | 	**/ | ||
|  | 	@:deprecated("Lib.alert() is deprecated, use Browser.alert() instead") | ||
|  | 	public static function alert(v:Dynamic) { | ||
|  | 		js.Syntax.code("alert")(@:privateAccess js.Boot.__string_rec(v, "")); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	public static inline function eval(code:String):Dynamic { | ||
|  | 		return js.Syntax.code("eval")(code); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 		Inserts a `require` expression that loads JavaScript object from | ||
|  | 		a module or file specified in the `module` argument. | ||
|  | 
 | ||
|  | 		This is only supported in environments where `require` function | ||
|  | 		is available, such as Node.js or RequireJS. | ||
|  | 	**/ | ||
|  | 	extern public static inline function require(module:String):Dynamic { | ||
|  | 		return js.Syntax.code("require")(module); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 		Native JavaScript `parseInt` function. | ||
|  | 
 | ||
|  | 		Its specification is different from `Std.parseInt`, so one | ||
|  | 		might want to access the native one. | ||
|  | 	**/ | ||
|  | 	public static var parseInt(get, never):(string:String, ?radix:Int) -> Float; | ||
|  | 
 | ||
|  | 	extern static inline function get_parseInt():(string:String, ?radix:Int) -> Float { | ||
|  | 		return js.Syntax.code("parseInt"); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 		Returns JavaScript `undefined` value. | ||
|  | 
 | ||
|  | 		Note that this is only needed in very rare cases when working with external JavaScript code. | ||
|  | 
 | ||
|  | 		In Haxe, `null` is used to represent the absence of a value. | ||
|  | 	**/ | ||
|  | 	public static var undefined(get, never):Dynamic; | ||
|  | 
 | ||
|  | 	static inline function get_undefined():Dynamic { | ||
|  | 		return js.Syntax.code("undefined"); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 		`nativeThis` is the JavaScript `this`, which is semantically different | ||
|  | 		from the Haxe `this`. Use `nativeThis` only when working with external | ||
|  | 		JavaScript code. | ||
|  | 
 | ||
|  | 		In Haxe, `this` is always bound to a class instance. | ||
|  | 		In JavaScript, `this` in a function can be bound to an arbitrary | ||
|  | 		variable when the function is called using `func.call(thisObj, ...)` or | ||
|  | 		`func.apply(thisObj, [...])`. | ||
|  | 
 | ||
|  | 		Read more at https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/this | ||
|  | 	**/ | ||
|  | 	public static var nativeThis(get, never):Dynamic; | ||
|  | 
 | ||
|  | 	extern static inline function get_nativeThis():Dynamic { | ||
|  | 		return js.Syntax.code("this"); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 		Call JavaScript `typeof` operator on the `o` value | ||
|  | 		and return a string representing the JavaScript type of a value. | ||
|  | 
 | ||
|  | 		Read more at https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/typeof | ||
|  | 	**/ | ||
|  | 	extern public static inline function typeof(o:Dynamic):String { | ||
|  | 		return js.Syntax.typeof(o); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 		An alias of the JS "global" object. | ||
|  | 
 | ||
|  | 		Concretely, it is set as the first defined value in the list of | ||
|  | 		`window`, `global`, `self`, and `this` in the top-level of the compiled output. | ||
|  | 	**/ | ||
|  | 	public static var global(get, never):Dynamic; | ||
|  | 
 | ||
|  | 	extern static inline function get_global():Dynamic { | ||
|  | 		return untyped __define_feature__("js.Lib.global", js.Syntax.code("$global")); // $global is generated by the compiler | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 		Re-throw last cathed exception, preserving original stack information. | ||
|  | 
 | ||
|  | 		Calling this is only possible inside a catch statement. | ||
|  | 	**/ | ||
|  | 	@:pure(false) public static function rethrow() { | ||
|  | 		// function is implemented in the compiler | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 		Get original caught exception object, before unwrapping the `js.Boot.HaxeError`. | ||
|  | 
 | ||
|  | 		Can be useful if we want to redirect the original error into some external API (e.g. Promise or node.js callbacks). | ||
|  | 
 | ||
|  | 		Calling this is only possible inside a catch statement. | ||
|  | 	**/ | ||
|  | 	public static function getOriginalException():Dynamic { | ||
|  | 		return null; // function is implemented in the compiler | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 		Generate next unique id | ||
|  | 	**/ | ||
|  | 	@:allow(haxe.ds.ObjectMap.assignId) | ||
|  | 	static inline function getNextHaxeUID():Int { | ||
|  | 		return js.Syntax.code("{0}.$haxeUID++", untyped __define_feature__("$global.$haxeUID", global)); | ||
|  | 	} | ||
|  | } |