![](\"./img/isEmpty.png\"){kind=spacer}
\n *\n * @return {Observable} an Observable that emits a Boolean.\n * @method isEmpty\n * @owner Observable\n ",
"range": [
44,
308
],
"loc": {
"start": {
"line": 2,
"column": 0
},
"end": {
"line": 10,
"column": 3
}
}
}
]
},
{
"type": "ExportNamedDeclaration",
"declaration": {
"type": "FunctionDeclaration",
"id": {
"type": "Identifier",
"name": "isEmpty",
"range": [
325,
332
],
"loc": {
"start": {
"line": 11,
"column": 16
},
"end": {
"line": 11,
"column": 23
}
}
},
"params": [],
"body": {
"type": "BlockStatement",
"body": [
{
"type": "ReturnStatement",
"argument": {
"type": "CallExpression",
"callee": {
"type": "MemberExpression",
"computed": false,
"object": {
"type": "ThisExpression",
"range": [
348,
352
],
"loc": {
"start": {
"line": 12,
"column": 11
},
"end": {
"line": 12,
"column": 15
}
}
},
"property": {
"type": "Identifier",
"name": "lift",
"range": [
353,
357
],
"loc": {
"start": {
"line": 12,
"column": 16
},
"end": {
"line": 12,
"column": 20
}
}
},
"range": [
348,
357
],
"loc": {
"start": {
"line": 12,
"column": 11
},
"end": {
"line": 12,
"column": 20
}
}
},
"arguments": [
{
"type": "NewExpression",
"callee": {
"type": "Identifier",
"name": "IsEmptyOperator",
"range": [
362,
377
],
"loc": {
"start": {
"line": 12,
"column": 25
},
"end": {
"line": 12,
"column": 40
}
}
},
"arguments": [],
"range": [
358,
379
],
"loc": {
"start": {
"line": 12,
"column": 21
},
"end": {
"line": 12,
"column": 42
}
}
}
],
"range": [
348,
380
],
"loc": {
"start": {
"line": 12,
"column": 11
},
"end": {
"line": 12,
"column": 43
}
}
},
"range": [
341,
381
],
"loc": {
"start": {
"line": 12,
"column": 4
},
"end": {
"line": 12,
"column": 44
}
}
}
],
"range": [
335,
383
],
"loc": {
"start": {
"line": 11,
"column": 26
},
"end": {
"line": 13,
"column": 1
}
}
},
"generator": false,
"expression": false,
"range": [
316,
383
],
"loc": {
"start": {
"line": 11,
"column": 7
},
"end": {
"line": 13,
"column": 1
}
},
"leadingComments": [
{
"type": "Block",
"value": "*\n * If the source Observable is empty it returns an Observable that emits true, otherwise it emits false.\n *\n * \n *\n * @return {Observable} an Observable that emits a Boolean.\n * @method isEmpty\n * @owner Observable\n ",
"range": [
44,
308
],
"loc": {
"start": {
"line": 2,
"column": 0
},
"end": {
"line": 10,
"column": 3
}
}
}
],
"trailingComments": []
},
"specifiers": [],
"source": null,
"range": [
309,
383
],
"loc": {
"start": {
"line": 11,
"column": 0
},
"end": {
"line": 13,
"column": 1
}
},
"leadingComments": [
{
"type": "Block",
"value": "*\n * If the source Observable is empty it returns an Observable that emits true, otherwise it emits false.\n *\n * \n *\n * @return {Observable} an Observable that emits a Boolean.\n * @method isEmpty\n * @owner Observable\n ",
"range": [
44,
308
],
"loc": {
"start": {
"line": 2,
"column": 0
},
"end": {
"line": 10,
"column": 3
}
}
}
]
},
{
"type": "VariableDeclaration",
"declarations": [
{
"type": "VariableDeclarator",
"id": {
"type": "Identifier",
"name": "IsEmptyOperator",
"range": [
388,
403
],
"loc": {
"start": {
"line": 14,
"column": 4
},
"end": {
"line": 14,
"column": 19
}
}
},
"init": {
"type": "CallExpression",
"callee": {
"type": "FunctionExpression",
"id": null,
"params": [],
"body": {
"type": "BlockStatement",
"body": [
{
"type": "FunctionDeclaration",
"id": {
"type": "Identifier",
"name": "IsEmptyOperator",
"range": [
434,
449
],
"loc": {
"start": {
"line": 15,
"column": 13
},
"end": {
"line": 15,
"column": 28
}
}
},
"params": [],
"body": {
"type": "BlockStatement",
"body": [],
"range": [
452,
459
],
"loc": {
"start": {
"line": 15,
"column": 31
},
"end": {
"line": 16,
"column": 5
}
}
},
"generator": false,
"expression": false,
"range": [
425,
459
],
"loc": {
"start": {
"line": 15,
"column": 4
},
"end": {
"line": 16,
"column": 5
}
}
},
{
"type": "ExpressionStatement",
"expression": {
"type": "AssignmentExpression",
"operator": "=",
"left": {
"type": "MemberExpression",
"computed": false,
"object": {
"type": "MemberExpression",
"computed": false,
"object": {
"type": "Identifier",
"name": "IsEmptyOperator",
"range": [
464,
479
],
"loc": {
"start": {
"line": 17,
"column": 4
},
"end": {
"line": 17,
"column": 19
}
}
},
"property": {
"type": "Identifier",
"name": "prototype",
"range": [
480,
489
],
"loc": {
"start": {
"line": 17,
"column": 20
},
"end": {
"line": 17,
"column": 29
}
}
},
"range": [
464,
489
],
"loc": {
"start": {
"line": 17,
"column": 4
},
"end": {
"line": 17,
"column": 29
}
}
},
"property": {
"type": "Identifier",
"name": "call",
"range": [
490,
494
],
"loc": {
"start": {
"line": 17,
"column": 30
},
"end": {
"line": 17,
"column": 34
}
}
},
"range": [
464,
494
],
"loc": {
"start": {
"line": 17,
"column": 4
},
"end": {
"line": 17,
"column": 34
}
}
},
"right": {
"type": "FunctionExpression",
"id": null,
"params": [
{
"type": "Identifier",
"name": "observer",
"range": [
507,
515
],
"loc": {
"start": {
"line": 17,
"column": 47
},
"end": {
"line": 17,
"column": 55
}
}
},
{
"type": "Identifier",
"name": "source",
"range": [
517,
523
],
"loc": {
"start": {
"line": 17,
"column": 57
},
"end": {
"line": 17,
"column": 63
}
}
}
],
"body": {
"type": "BlockStatement",
"body": [
{
"type": "ReturnStatement",
"argument": {
"type": "CallExpression",
"callee": {
"type": "MemberExpression",
"computed": false,
"object": {
"type": "Identifier",
"name": "source",
"range": [
542,
548
],
"loc": {
"start": {
"line": 18,
"column": 15
},
"end": {
"line": 18,
"column": 21
}
}
},
"property": {
"type": "Identifier",
"name": "_subscribe",
"range": [
549,
559
],
"loc": {
"start": {
"line": 18,
"column": 22
},
"end": {
"line": 18,
"column": 32
}
}
},
"range": [
542,
559
],
"loc": {
"start": {
"line": 18,
"column": 15
},
"end": {
"line": 18,
"column": 32
}
}
},
"arguments": [
{
"type": "NewExpression",
"callee": {
"type": "Identifier",
"name": "IsEmptySubscriber",
"range": [
564,
581
],
"loc": {
"start": {
"line": 18,
"column": 37
},
"end": {
"line": 18,
"column": 54
}
}
},
"arguments": [
{
"type": "Identifier",
"name": "observer",
"range": [
582,
590
],
"loc": {
"start": {
"line": 18,
"column": 55
},
"end": {
"line": 18,
"column": 63
}
}
}
],
"range": [
560,
591
],
"loc": {
"start": {
"line": 18,
"column": 33
},
"end": {
"line": 18,
"column": 64
}
}
}
],
"range": [
542,
592
],
"loc": {
"start": {
"line": 18,
"column": 15
},
"end": {
"line": 18,
"column": 65
}
}
},
"range": [
535,
593
],
"loc": {
"start": {
"line": 18,
"column": 8
},
"end": {
"line": 18,
"column": 66
}
}
}
],
"range": [
525,
599
],
"loc": {
"start": {
"line": 17,
"column": 65
},
"end": {
"line": 19,
"column": 5
}
}
},
"generator": false,
"expression": false,
"range": [
497,
599
],
"loc": {
"start": {
"line": 17,
"column": 37
},
"end": {
"line": 19,
"column": 5
}
}
},
"range": [
464,
599
],
"loc": {
"start": {
"line": 17,
"column": 4
},
"end": {
"line": 19,
"column": 5
}
}
},
"range": [
464,
600
],
"loc": {
"start": {
"line": 17,
"column": 4
},
"end": {
"line": 19,
"column": 6
}
}
},
{
"type": "ReturnStatement",
"argument": {
"type": "Identifier",
"name": "IsEmptyOperator",
"range": [
612,
627
],
"loc": {
"start": {
"line": 20,
"column": 11
},
"end": {
"line": 20,
"column": 26
}
}
},
"range": [
605,
628
],
"loc": {
"start": {
"line": 20,
"column": 4
},
"end": {
"line": 20,
"column": 27
}
}
}
],
"range": [
419,
630
],
"loc": {
"start": {
"line": 14,
"column": 35
},
"end": {
"line": 21,
"column": 1
}
}
},
"generator": false,
"expression": false,
"range": [
407,
630
],
"loc": {
"start": {
"line": 14,
"column": 23
},
"end": {
"line": 21,
"column": 1
}
}
},
"arguments": [],
"range": [
407,
632
],
"loc": {
"start": {
"line": 14,
"column": 23
},
"end": {
"line": 21,
"column": 3
}
}
},
"range": [
388,
633
],
"loc": {
"start": {
"line": 14,
"column": 4
},
"end": {
"line": 21,
"column": 4
}
}
}
],
"kind": "var",
"range": [
384,
634
],
"loc": {
"start": {
"line": 14,
"column": 0
},
"end": {
"line": 21,
"column": 5
}
},
"trailingComments": [
{
"type": "Block",
"value": "*\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n ",
"range": [
635,
726
],
"loc": {
"start": {
"line": 22,
"column": 0
},
"end": {
"line": 26,
"column": 3
}
}
}
]
},
{
"type": "VariableDeclaration",
"declarations": [
{
"type": "VariableDeclarator",
"id": {
"type": "Identifier",
"name": "IsEmptySubscriber",
"range": [
731,
748
],
"loc": {
"start": {
"line": 27,
"column": 4
},
"end": {
"line": 27,
"column": 21
}
}
},
"init": {
"type": "CallExpression",
"callee": {
"type": "FunctionExpression",
"id": null,
"params": [
{
"type": "Identifier",
"name": "_super",
"range": [
762,
768
],
"loc": {
"start": {
"line": 27,
"column": 35
},
"end": {
"line": 27,
"column": 41
}
}
}
],
"body": {
"type": "BlockStatement",
"body": [
{
"type": "ExpressionStatement",
"expression": {
"type": "CallExpression",
"callee": {
"type": "Identifier",
"name": "__extends",
"range": [
776,
785
],
"loc": {
"start": {
"line": 28,
"column": 4
},
"end": {
"line": 28,
"column": 13
}
}
},
"arguments": [
{
"type": "Identifier",
"name": "IsEmptySubscriber",
"range": [
786,
803
],
"loc": {
"start": {
"line": 28,
"column": 14
},
"end": {
"line": 28,
"column": 31
}
}
},
{
"type": "Identifier",
"name": "_super",
"range": [
805,
811
],
"loc": {
"start": {
"line": 28,
"column": 33
},
"end": {
"line": 28,
"column": 39
}
}
}
],
"range": [
776,
812
],
"loc": {
"start": {
"line": 28,
"column": 4
},
"end": {
"line": 28,
"column": 40
}
}
},
"range": [
776,
813
],
"loc": {
"start": {
"line": 28,
"column": 4
},
"end": {
"line": 28,
"column": 41
}
}
},
{
"type": "FunctionDeclaration",
"id": {
"type": "Identifier",
"name": "IsEmptySubscriber",
"range": [
827,
844
],
"loc": {
"start": {
"line": 29,
"column": 13
},
"end": {
"line": 29,
"column": 30
}
}
},
"params": [
{
"type": "Identifier",
"name": "destination",
"range": [
845,
856
],
"loc": {
"start": {
"line": 29,
"column": 31
},
"end": {
"line": 29,
"column": 42
}
}
}
],
"body": {
"type": "BlockStatement",
"body": [
{
"type": "ExpressionStatement",
"expression": {
"type": "CallExpression",
"callee": {
"type": "MemberExpression",
"computed": false,
"object": {
"type": "Identifier",
"name": "_super",
"range": [
868,
874
],
"loc": {
"start": {
"line": 30,
"column": 8
},
"end": {
"line": 30,
"column": 14
}
}
},
"property": {
"type": "Identifier",
"name": "call",
"range": [
875,
879
],
"loc": {
"start": {
"line": 30,
"column": 15
},
"end": {
"line": 30,
"column": 19
}
}
},
"range": [
868,
879
],
"loc": {
"start": {
"line": 30,
"column": 8
},
"end": {
"line": 30,
"column": 19
}
}
},
"arguments": [
{
"type": "ThisExpression",
"range": [
880,
884
],
"loc": {
"start": {
"line": 30,
"column": 20
},
"end": {
"line": 30,
"column": 24
}
}
},
{
"type": "Identifier",
"name": "destination",
"range": [
886,
897
],
"loc": {
"start": {
"line": 30,
"column": 26
},
"end": {
"line": 30,
"column": 37
}
}
}
],
"range": [
868,
898
],
"loc": {
"start": {
"line": 30,
"column": 8
},
"end": {
"line": 30,
"column": 38
}
}
},
"range": [
868,
899
],
"loc": {
"start": {
"line": 30,
"column": 8
},
"end": {
"line": 30,
"column": 39
}
}
}
],
"range": [
858,
905
],
"loc": {
"start": {
"line": 29,
"column": 44
},
"end": {
"line": 31,
"column": 5
}
}
},
"generator": false,
"expression": false,
"range": [
818,
905
],
"loc": {
"start": {
"line": 29,
"column": 4
},
"end": {
"line": 31,
"column": 5
}
}
},
{
"type": "ExpressionStatement",
"expression": {
"type": "AssignmentExpression",
"operator": "=",
"left": {
"type": "MemberExpression",
"computed": false,
"object": {
"type": "MemberExpression",
"computed": false,
"object": {
"type": "Identifier",
"name": "IsEmptySubscriber",
"range": [
910,
927
],
"loc": {
"start": {
"line": 32,
"column": 4
},
"end": {
"line": 32,
"column": 21
}
}
},
"property": {
"type": "Identifier",
"name": "prototype",
"range": [
928,
937
],
"loc": {
"start": {
"line": 32,
"column": 22
},
"end": {
"line": 32,
"column": 31
}
}
},
"range": [
910,
937
],
"loc": {
"start": {
"line": 32,
"column": 4
},
"end": {
"line": 32,
"column": 31
}
}
},
"property": {
"type": "Identifier",
"name": "notifyComplete",
"range": [
938,
952
],
"loc": {
"start": {
"line": 32,
"column": 32
},
"end": {
"line": 32,
"column": 46
}
}
},
"range": [
910,
952
],
"loc": {
"start": {
"line": 32,
"column": 4
},
"end": {
"line": 32,
"column": 46
}
}
},
"right": {
"type": "FunctionExpression",
"id": null,
"params": [
{
"type": "Identifier",
"name": "isEmpty",
"range": [
965,
972
],
"loc": {
"start": {
"line": 32,
"column": 59
},
"end": {
"line": 32,
"column": 66
}
}
}
],
"body": {
"type": "BlockStatement",
"body": [
{
"type": "VariableDeclaration",
"declarations": [
{
"type": "VariableDeclarator",
"id": {
"type": "Identifier",
"name": "destination",
"range": [
988,
999
],
"loc": {
"start": {
"line": 33,
"column": 12
},
"end": {
"line": 33,
"column": 23
}
}
},
"init": {
"type": "MemberExpression",
"computed": false,
"object": {
"type": "ThisExpression",
"range": [
1002,
1006
],
"loc": {
"start": {
"line": 33,
"column": 26
},
"end": {
"line": 33,
"column": 30
}
}
},
"property": {
"type": "Identifier",
"name": "destination",
"range": [
1007,
1018
],
"loc": {
"start": {
"line": 33,
"column": 31
},
"end": {
"line": 33,
"column": 42
}
}
},
"range": [
1002,
1018
],
"loc": {
"start": {
"line": 33,
"column": 26
},
"end": {
"line": 33,
"column": 42
}
}
},
"range": [
988,
1018
],
"loc": {
"start": {
"line": 33,
"column": 12
},
"end": {
"line": 33,
"column": 42
}
}
}
],
"kind": "var",
"range": [
984,
1019
],
"loc": {
"start": {
"line": 33,
"column": 8
},
"end": {
"line": 33,
"column": 43
}
}
},
{
"type": "ExpressionStatement",
"expression": {
"type": "CallExpression",
"callee": {
"type": "MemberExpression",
"computed": false,
"object": {
"type": "Identifier",
"name": "destination",
"range": [
1028,
1039
],
"loc": {
"start": {
"line": 34,
"column": 8
},
"end": {
"line": 34,
"column": 19
}
}
},
"property": {
"type": "Identifier",
"name": "next",
"range": [
1040,
1044
],
"loc": {
"start": {
"line": 34,
"column": 20
},
"end": {
"line": 34,
"column": 24
}
}
},
"range": [
1028,
1044
],
"loc": {
"start": {
"line": 34,
"column": 8
},
"end": {
"line": 34,
"column": 24
}
}
},
"arguments": [
{
"type": "Identifier",
"name": "isEmpty",
"range": [
1045,
1052
],
"loc": {
"start": {
"line": 34,
"column": 25
},
"end": {
"line": 34,
"column": 32
}
}
}
],
"range": [
1028,
1053
],
"loc": {
"start": {
"line": 34,
"column": 8
},
"end": {
"line": 34,
"column": 33
}
}
},
"range": [
1028,
1054
],
"loc": {
"start": {
"line": 34,
"column": 8
},
"end": {
"line": 34,
"column": 34
}
}
},
{
"type": "ExpressionStatement",
"expression": {
"type": "CallExpression",
"callee": {
"type": "MemberExpression",
"computed": false,
"object": {
"type": "Identifier",
"name": "destination",
"range": [
1063,
1074
],
"loc": {
"start": {
"line": 35,
"column": 8
},
"end": {
"line": 35,
"column": 19
}
}
},
"property": {
"type": "Identifier",
"name": "complete",
"range": [
1075,
1083
],
"loc": {
"start": {
"line": 35,
"column": 20
},
"end": {
"line": 35,
"column": 28
}
}
},
"range": [
1063,
1083
],
"loc": {
"start": {
"line": 35,
"column": 8
},
"end": {
"line": 35,
"column": 28
}
}
},
"arguments": [],
"range": [
1063,
1085
],
"loc": {
"start": {
"line": 35,
"column": 8
},
"end": {
"line": 35,
"column": 30
}
}
},
"range": [
1063,
1086
],
"loc": {
"start": {
"line": 35,
"column": 8
},
"end": {
"line": 35,
"column": 31
}
}
}
],
"range": [
974,
1092
],
"loc": {
"start": {
"line": 32,
"column": 68
},
"end": {
"line": 36,
"column": 5
}
}
},
"generator": false,
"expression": false,
"range": [
955,
1092
],
"loc": {
"start": {
"line": 32,
"column": 49
},
"end": {
"line": 36,
"column": 5
}
}
},
"range": [
910,
1092
],
"loc": {
"start": {
"line": 32,
"column": 4
},
"end": {
"line": 36,
"column": 5
}
}
},
"range": [
910,
1093
],
"loc": {
"start": {
"line": 32,
"column": 4
},
"end": {
"line": 36,
"column": 6
}
}
},
{
"type": "ExpressionStatement",
"expression": {
"type": "AssignmentExpression",
"operator": "=",
"left": {
"type": "MemberExpression",
"computed": false,
"object": {
"type": "MemberExpression",
"computed": false,
"object": {
"type": "Identifier",
"name": "IsEmptySubscriber",
"range": [
1098,
1115
],
"loc": {
"start": {
"line": 37,
"column": 4
},
"end": {
"line": 37,
"column": 21
}
}
},
"property": {
"type": "Identifier",
"name": "prototype",
"range": [
1116,
1125
],
"loc": {
"start": {
"line": 37,
"column": 22
},
"end": {
"line": 37,
"column": 31
}
}
},
"range": [
1098,
1125
],
"loc": {
"start": {
"line": 37,
"column": 4
},
"end": {
"line": 37,
"column": 31
}
}
},
"property": {
"type": "Identifier",
"name": "_next",
"range": [
1126,
1131
],
"loc": {
"start": {
"line": 37,
"column": 32
},
"end": {
"line": 37,
"column": 37
}
}
},
"range": [
1098,
1131
],
"loc": {
"start": {
"line": 37,
"column": 4
},
"end": {
"line": 37,
"column": 37
}
}
},
"right": {
"type": "FunctionExpression",
"id": null,
"params": [
{
"type": "Identifier",
"name": "value",
"range": [
1144,
1149
],
"loc": {
"start": {
"line": 37,
"column": 50
},
"end": {
"line": 37,
"column": 55
}
}
}
],
"body": {
"type": "BlockStatement",
"body": [
{
"type": "ExpressionStatement",
"expression": {
"type": "CallExpression",
"callee": {
"type": "MemberExpression",
"computed": false,
"object": {
"type": "ThisExpression",
"range": [
1161,
1165
],
"loc": {
"start": {
"line": 38,
"column": 8
},
"end": {
"line": 38,
"column": 12
}
}
},
"property": {
"type": "Identifier",
"name": "notifyComplete",
"range": [
1166,
1180
],
"loc": {
"start": {
"line": 38,
"column": 13
},
"end": {
"line": 38,
"column": 27
}
}
},
"range": [
1161,
1180
],
"loc": {
"start": {
"line": 38,
"column": 8
},
"end": {
"line": 38,
"column": 27
}
}
},
"arguments": [
{
"type": "Literal",
"value": false,
"raw": "false",
"range": [
1181,
1186
],
"loc": {
"start": {
"line": 38,
"column": 28
},
"end": {
"line": 38,
"column": 33
}
}
}
],
"range": [
1161,
1187
],
"loc": {
"start": {
"line": 38,
"column": 8
},
"end": {
"line": 38,
"column": 34
}
}
},
"range": [
1161,
1188
],
"loc": {
"start": {
"line": 38,
"column": 8
},
"end": {
"line": 38,
"column": 35
}
}
}
],
"range": [
1151,
1194
],
"loc": {
"start": {
"line": 37,
"column": 57
},
"end": {
"line": 39,
"column": 5
}
}
},
"generator": false,
"expression": false,
"range": [
1134,
1194
],
"loc": {
"start": {
"line": 37,
"column": 40
},
"end": {
"line": 39,
"column": 5
}
}
},
"range": [
1098,
1194
],
"loc": {
"start": {
"line": 37,
"column": 4
},
"end": {
"line": 39,
"column": 5
}
}
},
"range": [
1098,
1195
],
"loc": {
"start": {
"line": 37,
"column": 4
},
"end": {
"line": 39,
"column": 6
}
}
},
{
"type": "ExpressionStatement",
"expression": {
"type": "AssignmentExpression",
"operator": "=",
"left": {
"type": "MemberExpression",
"computed": false,
"object": {
"type": "MemberExpression",
"computed": false,
"object": {
"type": "Identifier",
"name": "IsEmptySubscriber",
"range": [
1200,
1217
],
"loc": {
"start": {
"line": 40,
"column": 4
},
"end": {
"line": 40,
"column": 21
}
}
},
"property": {
"type": "Identifier",
"name": "prototype",
"range": [
1218,
1227
],
"loc": {
"start": {
"line": 40,
"column": 22
},
"end": {
"line": 40,
"column": 31
}
}
},
"range": [
1200,
1227
],
"loc": {
"start": {
"line": 40,
"column": 4
},
"end": {
"line": 40,
"column": 31
}
}
},
"property": {
"type": "Identifier",
"name": "_complete",
"range": [
1228,
1237
],
"loc": {
"start": {
"line": 40,
"column": 32
},
"end": {
"line": 40,
"column": 41
}
}
},
"range": [
1200,
1237
],
"loc": {
"start": {
"line": 40,
"column": 4
},
"end": {
"line": 40,
"column": 41
}
}
},
"right": {
"type": "FunctionExpression",
"id": null,
"params": [],
"body": {
"type": "BlockStatement",
"body": [
{
"type": "ExpressionStatement",
"expression": {
"type": "CallExpression",
"callee": {
"type": "MemberExpression",
"computed": false,
"object": {
"type": "ThisExpression",
"range": [
1262,
1266
],
"loc": {
"start": {
"line": 41,
"column": 8
},
"end": {
"line": 41,
"column": 12
}
}
},
"property": {
"type": "Identifier",
"name": "notifyComplete",
"range": [
1267,
1281
],
"loc": {
"start": {
"line": 41,
"column": 13
},
"end": {
"line": 41,
"column": 27
}
}
},
"range": [
1262,
1281
],
"loc": {
"start": {
"line": 41,
"column": 8
},
"end": {
"line": 41,
"column": 27
}
}
},
"arguments": [
{
"type": "Literal",
"value": true,
"raw": "true",
"range": [
1282,
1286
],
"loc": {
"start": {
"line": 41,
"column": 28
},
"end": {
"line": 41,
"column": 32
}
}
}
],
"range": [
1262,
1287
],
"loc": {
"start": {
"line": 41,
"column": 8
},
"end": {
"line": 41,
"column": 33
}
}
},
"range": [
1262,
1288
],
"loc": {
"start": {
"line": 41,
"column": 8
},
"end": {
"line": 41,
"column": 34
}
}
}
],
"range": [
1252,
1294
],
"loc": {
"start": {
"line": 40,
"column": 56
},
"end": {
"line": 42,
"column": 5
}
}
},
"generator": false,
"expression": false,
"range": [
1240,
1294
],
"loc": {
"start": {
"line": 40,
"column": 44
},
"end": {
"line": 42,
"column": 5
}
}
},
"range": [
1200,
1294
],
"loc": {
"start": {
"line": 40,
"column": 4
},
"end": {
"line": 42,
"column": 5
}
}
},
"range": [
1200,
1295
],
"loc": {
"start": {
"line": 40,
"column": 4
},
"end": {
"line": 42,
"column": 6
}
}
},
{
"type": "ReturnStatement",
"argument": {
"type": "Identifier",
"name": "IsEmptySubscriber",
"range": [
1307,
1324
],
"loc": {
"start": {
"line": 43,
"column": 11
},
"end": {
"line": 43,
"column": 28
}
}
},
"range": [
1300,
1325
],
"loc": {
"start": {
"line": 43,
"column": 4
},
"end": {
"line": 43,
"column": 29
}
}
}
],
"range": [
770,
1327
],
"loc": {
"start": {
"line": 27,
"column": 43
},
"end": {
"line": 44,
"column": 1
}
}
},
"generator": false,
"expression": false,
"range": [
752,
1327
],
"loc": {
"start": {
"line": 27,
"column": 25
},
"end": {
"line": 44,
"column": 1
}
}
},
"arguments": [
{
"type": "Identifier",
"name": "Subscriber",
"range": [
1328,
1338
],
"loc": {
"start": {
"line": 44,
"column": 2
},
"end": {
"line": 44,
"column": 12
}
}
}
],
"range": [
752,
1339
],
"loc": {
"start": {
"line": 27,
"column": 25
},
"end": {
"line": 44,
"column": 13
}
}
},
"range": [
731,
1340
],
"loc": {
"start": {
"line": 27,
"column": 4
},
"end": {
"line": 44,
"column": 14
}
}
}
],
"kind": "var",
"range": [
727,
1341
],
"loc": {
"start": {
"line": 27,
"column": 0
},
"end": {
"line": 44,
"column": 15
}
},
"leadingComments": [
{
"type": "Block",
"value": "*\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n ",
"range": [
635,
726
],
"loc": {
"start": {
"line": 22,
"column": 0
},
"end": {
"line": 26,
"column": 3
}
}
}
],
"trailingComments": [
{
"type": "Line",
"value": "# sourceMappingURL=isEmpty.js.map",
"range": [
1342,
1377
],
"loc": {
"start": {
"line": 45,
"column": 0
},
"end": {
"line": 45,
"column": 35
}
}
}
]
}
],
"sourceType": "module",
"range": [
0,
1341
],
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 44,
"column": 15
}
},
"comments": [
{
"type": "Block",
"value": "*\n * If the source Observable is empty it returns an Observable that emits true, otherwise it emits false.\n *\n * \n *\n * @return {Observable} an Observable that emits a Boolean.\n * @method isEmpty\n * @owner Observable\n ",
"range": [
44,
308
],
"loc": {
"start": {
"line": 2,
"column": 0
},
"end": {
"line": 10,
"column": 3
}
}
},
{
"type": "Block",
"value": "*\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n ",
"range": [
635,
726
],
"loc": {
"start": {
"line": 22,
"column": 0
},
"end": {
"line": 26,
"column": 3
}
}
},
{
"type": "Line",
"value": "# sourceMappingURL=isEmpty.js.map",
"range": [
1342,
1377
],
"loc": {
"start": {
"line": 45,
"column": 0
},
"end": {
"line": 45,
"column": 35
}
}
}
]
}