{
	"id": "143672",
	"key": "TIMOB-18465",
	"fields": {
		"issuetype": {
			"id": "4",
			"description": "An improvement or enhancement to an existing feature or task.",
			"name": "Improvement",
			"subtask": false
		},
		"project": {
			"id": "10153",
			"key": "TIMOB",
			"name": "Titanium SDK/CLI",
			"projectCategory": {
				"id": "10100",
				"description": "Titanium and related SDKs used in application development",
				"name": "Client"
			}
		},
		"fixVersions": [],
		"resolution": null,
		"resolutiondate": null,
		"created": "2015-01-29T09:26:28.000+0000",
		"priority": {
			"name": "None",
			"id": "6"
		},
		"labels": [
			"ios-jscore",
			"kroll",
			"parity"
		],
		"versions": [
			{
				"id": "16704",
				"description": "Release 3.5.0",
				"name": "Release 3.5.0",
				"archived": false,
				"released": true,
				"releaseDate": "2015-01-13"
			}
		],
		"issuelinks": [
			{
				"id": "57603",
				"type": {
					"id": "10003",
					"name": "Relates",
					"inward": "relates to",
					"outward": "relates to"
				},
				"outwardIssue": {
					"id": "161046",
					"key": "TIMOB-23504",
					"fields": {
						"summary": "iOS: Titanium proxies don't extend Object.prototype properly",
						"status": {
							"description": "This issue is being actively worked on at the moment by the assignee.",
							"name": "In Progress",
							"id": "3",
							"statusCategory": {
								"id": 4,
								"key": "indeterminate",
								"colorName": "yellow",
								"name": "In Progress"
							}
						},
						"priority": {
							"name": "High",
							"id": "2"
						},
						"issuetype": {
							"id": "1",
							"description": "A problem which impairs or prevents the functions of the product.",
							"name": "Bug",
							"subtask": false
						}
					}
				}
			},
			{
				"id": "57605",
				"type": {
					"id": "10003",
					"name": "Relates",
					"inward": "relates to",
					"outward": "relates to"
				},
				"outwardIssue": {
					"id": "171652",
					"key": "TIMOB-26038",
					"fields": {
						"summary": "iOS: Move from legacy JavaScriptCore C Api to Obj-C API",
						"status": {
							"description": "This issue is being actively worked on at the moment by the assignee.",
							"name": "In Progress",
							"id": "3",
							"statusCategory": {
								"id": 4,
								"key": "indeterminate",
								"colorName": "yellow",
								"name": "In Progress"
							}
						},
						"priority": {
							"name": "High",
							"id": "2"
						},
						"issuetype": {
							"id": "6",
							"description": "gh.issue.epic.desc",
							"name": "Epic",
							"subtask": false
						}
					}
				}
			},
			{
				"id": "57602",
				"type": {
					"id": "10003",
					"name": "Relates",
					"inward": "relates to",
					"outward": "relates to"
				},
				"outwardIssue": {
					"id": "171876",
					"key": "TIMOB-26179",
					"fields": {
						"summary": "iOS: Property check on proxy always returns true",
						"status": {
							"description": "The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.",
							"name": "Closed",
							"id": "6",
							"statusCategory": {
								"id": 3,
								"key": "done",
								"colorName": "green",
								"name": "Done"
							}
						},
						"priority": {
							"name": "Critical",
							"id": "1"
						},
						"issuetype": {
							"id": "1",
							"description": "A problem which impairs or prevents the functions of the product.",
							"name": "Bug",
							"subtask": false
						}
					}
				}
			}
		],
		"assignee": {
			"name": "cwilliams",
			"key": "cwilliams",
			"displayName": "Christopher Williams",
			"active": true,
			"timeZone": "America/New_York"
		},
		"updated": "2019-04-26T19:04:21.000+0000",
		"status": {
			"description": "The issue is open and ready for the assignee to start work on it.",
			"name": "Open",
			"id": "1",
			"statusCategory": {
				"id": 2,
				"key": "new",
				"colorName": "blue-gray",
				"name": "To Do"
			}
		},
		"components": [
			{
				"id": "10206",
				"name": "iOS",
				"description": "iOS Platform"
			}
		],
		"description": "Currently globals are not set with the ‘right’ flags. We cannot actually say right or wrong flags, because they’re not in the EcmaScript definition.\r\n\r\nSome discussion happened on https://github.com/smclab/titaniumifier/issues/31.\r\n\r\nThe code to test the descriptors is the following:\r\n\r\n{code:javascript}\r\nvar global = (function () { return this; }());\r\n\r\nif ((typeof window !== 'undefined') &&\r\n    (window === global) &&\r\n    (!window.hasOwnProperty('alert'))) {\r\n  // In the browser the globals are not directly in the window, but in the\r\n  // prototype chain\r\n  global = Object.getPrototypeOf(global);\r\n}\r\n\r\nprintPropertyDescriptor(global, 'alert');\r\n\r\nprintPropertyDescriptor(global, 'setTimeout');\r\nprintPropertyDescriptor(global, 'clearTimeout');\r\nprintPropertyDescriptor(global, 'setInterval');\r\nprintPropertyDescriptor(global, 'clearInterval');\r\n\r\nfunction printPropertyDescriptor(obj, name) {\r\n\tvar descriptor = Object.getOwnPropertyDescriptor(obj, 'clearTimeout');\r\n\tvar formatted = JSON.stringify(descriptor, null, 2);\r\n\tconsole.log(name + \" = \" + formatted);\r\n}\r\n{code}\r\n\r\nThe result is different in every environment. As you will see only Titanium *on iOS* is setting the properties as non-writable.\r\n\r\nAlso, if using {{\"use strict\"}} trying to overwrite those properties will result in an error thrown.\r\n\r\n*Node.js*\r\n\r\n{code:javascript}\r\nalert = {\r\n  \"writable\": true,\r\n  \"enumerable\": true,\r\n  \"configurable\": true\r\n}\r\nsetTimeout = {\r\n  \"writable\": true,\r\n  \"enumerable\": true,\r\n  \"configurable\": true\r\n}\r\nclearTimeout = {\r\n  \"writable\": true,\r\n  \"enumerable\": true,\r\n  \"configurable\": true\r\n}\r\nsetInterval = {\r\n  \"writable\": true,\r\n  \"enumerable\": true,\r\n  \"configurable\": true\r\n}\r\nclearInterval = {\r\n  \"writable\": true,\r\n  \"enumerable\": true,\r\n  \"configurable\": true\r\n}\r\n{code}\r\n\r\n*Chrome*\r\n\r\n{code:javascript}\r\nalert = {\r\n  \"writable\": true,\r\n  \"enumerable\": true,\r\n  \"configurable\": false\r\n}\r\nsetTimeout = {\r\n  \"writable\": true,\r\n  \"enumerable\": true,\r\n  \"configurable\": false\r\n}\r\nclearTimeout = {\r\n  \"writable\": true,\r\n  \"enumerable\": true,\r\n  \"configurable\": false\r\n}\r\nsetInterval = {\r\n  \"writable\": true,\r\n  \"enumerable\": true,\r\n  \"configurable\": false\r\n}\r\nclearInterval = {\r\n  \"writable\": true,\r\n  \"enumerable\": true,\r\n  \"configurable\": false\r\n}\r\n{code}\r\n\r\n*Firefox*\r\n\r\n{code:javascript}\r\nalert = {\r\n  \"configurable\": true,\r\n  \"enumerable\": true,\r\n  \"writable\": true\r\n}\r\nsetTimeout = {\r\n  \"configurable\": true,\r\n  \"enumerable\": true,\r\n  \"writable\": true\r\n}\r\nclearTimeout = {\r\n  \"configurable\": true,\r\n  \"enumerable\": true,\r\n  \"writable\": true\r\n}\r\nsetInterval = {\r\n  \"configurable\": true,\r\n  \"enumerable\": true,\r\n  \"writable\": true\r\n}\r\nclearInterval = {\r\n  \"configurable\": true,\r\n  \"enumerable\": true,\r\n  \"writable\": true\r\n}\r\n{code}\r\n\r\n*Titanium Android*\r\n\r\n{code:javascript}\r\nalert = {\r\n  \"writable\": true,\r\n  \"enumerable\": true,\r\n  \"configurable\": true\r\n}\r\nsetTimeout = {\r\n  \"writable\": true,\r\n  \"enumerable\": true,\r\n  \"configurable\": true\r\n}\r\nclearTimeout = {\r\n  \"writable\": true,\r\n  \"enumerable\": true,\r\n  \"configurable\": true\r\n}\r\nsetInterval = {\r\n  \"writable\": true,\r\n  \"enumerable\": true,\r\n  \"configurable\": true\r\n}\r\nclearInterval = {\r\n  \"writable\": true,\r\n  \"enumerable\": true,\r\n  \"configurable\": true\r\n}\r\n{code}\r\n\r\n*Titanium iOS* (drumroll)\r\n\r\n{code:javascript}\r\nalert = {\r\n  \"writable\": false,\r\n  \"enumerable\": true,\r\n  \"configurable\": false\r\n}\r\nsetTimeout = {\r\n  \"writable\": false,\r\n  \"enumerable\": true,\r\n  \"configurable\": false\r\n}\r\nclearTimeout = {\r\n  \"writable\": false,\r\n  \"enumerable\": true,\r\n  \"configurable\": false\r\n}\r\nsetInterval = {\r\n  \"writable\": false,\r\n  \"enumerable\": true,\r\n  \"configurable\": false\r\n}\r\nclearInterval = {\r\n  \"writable\": false,\r\n  \"enumerable\": true,\r\n  \"configurable\": false\r\n}\r\n{code}",
		"attachment": [],
		"flagged": false,
		"summary": "Globals are not (over)writable",
		"creator": {
			"name": "yuchi",
			"key": "yuchi",
			"displayName": "Pier Paolo Ramon",
			"active": true,
			"timeZone": "Europe/Berlin"
		},
		"subtasks": [],
		"reporter": {
			"name": "yuchi",
			"key": "yuchi",
			"displayName": "Pier Paolo Ramon",
			"active": true,
			"timeZone": "Europe/Berlin"
		},
		"environment": "Titanium SDK 3.5.0, iOS",
		"comment": {
			"comments": [
				{
					"id": "341141",
					"author": {
						"name": "yuchi",
						"key": "yuchi",
						"displayName": "Pier Paolo Ramon",
						"active": true,
						"timeZone": "Europe/Berlin"
					},
					"body": "Here’s the culprit: https://github.com/appcelerator/titanium_mobile/blob/2c7f6fb74fa772e1ecc8d9d5209f83c4a0c06aab/iphone/Classes/KrollContext.m#L1112\r\n\r\nWhy are them explicitly set as {{kTiPropertyAttributeReadOnly | kTiPropertyAttributeDontDelete}}? There’s no (real) reason for doing this…",
					"updateAuthor": {
						"name": "yuchi",
						"key": "yuchi",
						"displayName": "Pier Paolo Ramon",
						"active": true,
						"timeZone": "Europe/Berlin"
					},
					"created": "2015-01-29T10:05:48.000+0000",
					"updated": "2015-01-29T10:05:48.000+0000"
				}
			],
			"maxResults": 1,
			"total": 1,
			"startAt": 0
		}
	}
}