@reactivex/rxjs
Version:
Reactive Extensions for modern JavaScript
1,413 lines (1,412 loc) • 203 kB
JSON
{
"type": "Program",
"body": [
{
"type": "ImportDeclaration",
"specifiers": [
{
"type": "ImportSpecifier",
"local": {
"type": "Identifier",
"name": "OuterSubscriber",
"range": [
9,
24
],
"loc": {
"start": {
"line": 1,
"column": 9
},
"end": {
"line": 1,
"column": 24
}
}
},
"imported": {
"type": "Identifier",
"name": "OuterSubscriber",
"range": [
9,
24
],
"loc": {
"start": {
"line": 1,
"column": 9
},
"end": {
"line": 1,
"column": 24
}
}
},
"range": [
9,
24
],
"loc": {
"start": {
"line": 1,
"column": 9
},
"end": {
"line": 1,
"column": 24
}
}
}
],
"source": {
"type": "Literal",
"value": "../OuterSubscriber",
"raw": "'../OuterSubscriber'",
"range": [
32,
52
],
"loc": {
"start": {
"line": 1,
"column": 32
},
"end": {
"line": 1,
"column": 52
}
}
},
"range": [
0,
53
],
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 53
}
}
},
{
"type": "ImportDeclaration",
"specifiers": [
{
"type": "ImportSpecifier",
"local": {
"type": "Identifier",
"name": "subscribeToResult",
"range": [
63,
80
],
"loc": {
"start": {
"line": 2,
"column": 9
},
"end": {
"line": 2,
"column": 26
}
}
},
"imported": {
"type": "Identifier",
"name": "subscribeToResult",
"range": [
63,
80
],
"loc": {
"start": {
"line": 2,
"column": 9
},
"end": {
"line": 2,
"column": 26
}
}
},
"range": [
63,
80
],
"loc": {
"start": {
"line": 2,
"column": 9
},
"end": {
"line": 2,
"column": 26
}
}
}
],
"source": {
"type": "Literal",
"value": "../util/subscribeToResult",
"raw": "'../util/subscribeToResult'",
"range": [
88,
115
],
"loc": {
"start": {
"line": 2,
"column": 34
},
"end": {
"line": 2,
"column": 61
}
}
},
"range": [
54,
116
],
"loc": {
"start": {
"line": 2,
"column": 0
},
"end": {
"line": 2,
"column": 62
}
},
"trailingComments": [
{
"type": "Block",
"value": "*\n * Converts a higher-order Observable into a first-order Observable by\n * subscribing to only the most recently emitted of those inner Observables.\n *\n * <span class=\"informal\">Flattens an Observable-of-Observables by dropping the\n * previous inner Observable once a new one appears.</span>\n *\n * <img src=\"./img/switch.png\" width=\"100%\">\n *\n * `switch` subscribes to an Observable that emits Observables, also known as a\n * higher-order Observable. Each time it observes one of these emitted inner\n * Observables, the output Observable subscribes to the inner Observable and\n * begins emitting the items emitted by that. So far, it behaves\n * like {@link mergeAll}. However, when a new inner Observable is emitted,\n * `switch` unsubscribes from the earlier-emitted inner Observable and\n * subscribes to the new inner Observable and begins emitting items from it. It\n * continues to behave like this for subsequent inner Observables.\n *\n * @example <caption>Rerun an interval Observable on every click event</caption>\n * var clicks = Rx.Observable.fromEvent(document, 'click');\n * // Each click event is mapped to an Observable that ticks every second\n * var higherOrder = clicks.map((ev) => Rx.Observable.interval(1000));\n * var switched = higherOrder.switch();\n * // The outcome is that `switched` is essentially a timer that restarts\n * // on every click. The interval Observables from older clicks do not merge\n * // with the current interval Observable.\n * switched.subscribe(x => console.log(x));\n *\n * @see {@link combineAll}\n * @see {@link concatAll}\n * @see {@link exhaust}\n * @see {@link mergeAll}\n * @see {@link switchMap}\n * @see {@link switchMapTo}\n * @see {@link zipAll}\n *\n * @return {Observable<T>} An Observable that emits the items emitted by the\n * Observable most recently emitted by the source Observable.\n * @method switch\n * @name switch\n * @owner Observable\n ",
"range": [
117,
2006
],
"loc": {
"start": {
"line": 3,
"column": 0
},
"end": {
"line": 44,
"column": 3
}
}
}
]
},
{
"type": "ExportNamedDeclaration",
"declaration": {
"type": "FunctionDeclaration",
"id": {
"type": "Identifier",
"name": "_switch",
"range": [
2023,
2030
],
"loc": {
"start": {
"line": 45,
"column": 16
},
"end": {
"line": 45,
"column": 23
}
}
},
"params": [],
"body": {
"type": "BlockStatement",
"body": [
{
"type": "ReturnStatement",
"argument": {
"type": "CallExpression",
"callee": {
"type": "MemberExpression",
"computed": false,
"object": {
"type": "ThisExpression",
"range": [
2046,
2050
],
"loc": {
"start": {
"line": 46,
"column": 11
},
"end": {
"line": 46,
"column": 15
}
}
},
"property": {
"type": "Identifier",
"name": "lift",
"range": [
2051,
2055
],
"loc": {
"start": {
"line": 46,
"column": 16
},
"end": {
"line": 46,
"column": 20
}
}
},
"range": [
2046,
2055
],
"loc": {
"start": {
"line": 46,
"column": 11
},
"end": {
"line": 46,
"column": 20
}
}
},
"arguments": [
{
"type": "NewExpression",
"callee": {
"type": "Identifier",
"name": "SwitchOperator",
"range": [
2060,
2074
],
"loc": {
"start": {
"line": 46,
"column": 25
},
"end": {
"line": 46,
"column": 39
}
}
},
"arguments": [],
"range": [
2056,
2076
],
"loc": {
"start": {
"line": 46,
"column": 21
},
"end": {
"line": 46,
"column": 41
}
}
}
],
"range": [
2046,
2077
],
"loc": {
"start": {
"line": 46,
"column": 11
},
"end": {
"line": 46,
"column": 42
}
}
},
"range": [
2039,
2078
],
"loc": {
"start": {
"line": 46,
"column": 4
},
"end": {
"line": 46,
"column": 43
}
}
}
],
"range": [
2033,
2080
],
"loc": {
"start": {
"line": 45,
"column": 26
},
"end": {
"line": 47,
"column": 1
}
}
},
"generator": false,
"expression": false,
"range": [
2014,
2080
],
"loc": {
"start": {
"line": 45,
"column": 7
},
"end": {
"line": 47,
"column": 1
}
},
"leadingComments": [
{
"type": "Block",
"value": "*\n * Converts a higher-order Observable into a first-order Observable by\n * subscribing to only the most recently emitted of those inner Observables.\n *\n * <span class=\"informal\">Flattens an Observable-of-Observables by dropping the\n * previous inner Observable once a new one appears.</span>\n *\n * <img src=\"./img/switch.png\" width=\"100%\">\n *\n * `switch` subscribes to an Observable that emits Observables, also known as a\n * higher-order Observable. Each time it observes one of these emitted inner\n * Observables, the output Observable subscribes to the inner Observable and\n * begins emitting the items emitted by that. So far, it behaves\n * like {@link mergeAll}. However, when a new inner Observable is emitted,\n * `switch` unsubscribes from the earlier-emitted inner Observable and\n * subscribes to the new inner Observable and begins emitting items from it. It\n * continues to behave like this for subsequent inner Observables.\n *\n * @example <caption>Rerun an interval Observable on every click event</caption>\n * var clicks = Rx.Observable.fromEvent(document, 'click');\n * // Each click event is mapped to an Observable that ticks every second\n * var higherOrder = clicks.map((ev) => Rx.Observable.interval(1000));\n * var switched = higherOrder.switch();\n * // The outcome is that `switched` is essentially a timer that restarts\n * // on every click. The interval Observables from older clicks do not merge\n * // with the current interval Observable.\n * switched.subscribe(x => console.log(x));\n *\n * @see {@link combineAll}\n * @see {@link concatAll}\n * @see {@link exhaust}\n * @see {@link mergeAll}\n * @see {@link switchMap}\n * @see {@link switchMapTo}\n * @see {@link zipAll}\n *\n * @return {Observable<T>} An Observable that emits the items emitted by the\n * Observable most recently emitted by the source Observable.\n * @method switch\n * @name switch\n * @owner Observable\n ",
"range": [
117,
2006
],
"loc": {
"start": {
"line": 3,
"column": 0
},
"end": {
"line": 44,
"column": 3
}
}
}
],
"trailingComments": []
},
"specifiers": [],
"source": null,
"range": [
2007,
2080
],
"loc": {
"start": {
"line": 45,
"column": 0
},
"end": {
"line": 47,
"column": 1
}
},
"leadingComments": [
{
"type": "Block",
"value": "*\n * Converts a higher-order Observable into a first-order Observable by\n * subscribing to only the most recently emitted of those inner Observables.\n *\n * <span class=\"informal\">Flattens an Observable-of-Observables by dropping the\n * previous inner Observable once a new one appears.</span>\n *\n * <img src=\"./img/switch.png\" width=\"100%\">\n *\n * `switch` subscribes to an Observable that emits Observables, also known as a\n * higher-order Observable. Each time it observes one of these emitted inner\n * Observables, the output Observable subscribes to the inner Observable and\n * begins emitting the items emitted by that. So far, it behaves\n * like {@link mergeAll}. However, when a new inner Observable is emitted,\n * `switch` unsubscribes from the earlier-emitted inner Observable and\n * subscribes to the new inner Observable and begins emitting items from it. It\n * continues to behave like this for subsequent inner Observables.\n *\n * @example <caption>Rerun an interval Observable on every click event</caption>\n * var clicks = Rx.Observable.fromEvent(document, 'click');\n * // Each click event is mapped to an Observable that ticks every second\n * var higherOrder = clicks.map((ev) => Rx.Observable.interval(1000));\n * var switched = higherOrder.switch();\n * // The outcome is that `switched` is essentially a timer that restarts\n * // on every click. The interval Observables from older clicks do not merge\n * // with the current interval Observable.\n * switched.subscribe(x => console.log(x));\n *\n * @see {@link combineAll}\n * @see {@link concatAll}\n * @see {@link exhaust}\n * @see {@link mergeAll}\n * @see {@link switchMap}\n * @see {@link switchMapTo}\n * @see {@link zipAll}\n *\n * @return {Observable<T>} An Observable that emits the items emitted by the\n * Observable most recently emitted by the source Observable.\n * @method switch\n * @name switch\n * @owner Observable\n ",
"range": [
117,
2006
],
"loc": {
"start": {
"line": 3,
"column": 0
},
"end": {
"line": 44,
"column": 3
}
}
}
]
},
{
"type": "VariableDeclaration",
"declarations": [
{
"type": "VariableDeclarator",
"id": {
"type": "Identifier",
"name": "SwitchOperator",
"range": [
2085,
2099
],
"loc": {
"start": {
"line": 48,
"column": 4
},
"end": {
"line": 48,
"column": 18
}
}
},
"init": {
"type": "CallExpression",
"callee": {
"type": "FunctionExpression",
"id": null,
"params": [],
"body": {
"type": "BlockStatement",
"body": [
{
"type": "FunctionDeclaration",
"id": {
"type": "Identifier",
"name": "SwitchOperator",
"range": [
2130,
2144
],
"loc": {
"start": {
"line": 49,
"column": 13
},
"end": {
"line": 49,
"column": 27
}
}
},
"params": [],
"body": {
"type": "BlockStatement",
"body": [],
"range": [
2147,
2154
],
"loc": {
"start": {
"line": 49,
"column": 30
},
"end": {
"line": 50,
"column": 5
}
}
},
"generator": false,
"expression": false,
"range": [
2121,
2154
],
"loc": {
"start": {
"line": 49,
"column": 4
},
"end": {
"line": 50,
"column": 5
}
}
},
{
"type": "ExpressionStatement",
"expression": {
"type": "AssignmentExpression",
"operator": "=",
"left": {
"type": "MemberExpression",
"computed": false,
"object": {
"type": "MemberExpression",
"computed": false,
"object": {
"type": "Identifier",
"name": "SwitchOperator",
"range": [
2159,
2173
],
"loc": {
"start": {
"line": 51,
"column": 4
},
"end": {
"line": 51,
"column": 18
}
}
},
"property": {
"type": "Identifier",
"name": "prototype",
"range": [
2174,
2183
],
"loc": {
"start": {
"line": 51,
"column": 19
},
"end": {
"line": 51,
"column": 28
}
}
},
"range": [
2159,
2183
],
"loc": {
"start": {
"line": 51,
"column": 4
},
"end": {
"line": 51,
"column": 28
}
}
},
"property": {
"type": "Identifier",
"name": "call",
"range": [
2184,
2188
],
"loc": {
"start": {
"line": 51,
"column": 29
},
"end": {
"line": 51,
"column": 33
}
}
},
"range": [
2159,
2188
],
"loc": {
"start": {
"line": 51,
"column": 4
},
"end": {
"line": 51,
"column": 33
}
}
},
"right": {
"type": "FunctionExpression",
"id": null,
"params": [
{
"type": "Identifier",
"name": "subscriber",
"range": [
2201,
2211
],
"loc": {
"start": {
"line": 51,
"column": 46
},
"end": {
"line": 51,
"column": 56
}
}
},
{
"type": "Identifier",
"name": "source",
"range": [
2213,
2219
],
"loc": {
"start": {
"line": 51,
"column": 58
},
"end": {
"line": 51,
"column": 64
}
}
}
],
"body": {
"type": "BlockStatement",
"body": [
{
"type": "ReturnStatement",
"argument": {
"type": "CallExpression",
"callee": {
"type": "MemberExpression",
"computed": false,
"object": {
"type": "Identifier",
"name": "source",
"range": [
2238,
2244
],
"loc": {
"start": {
"line": 52,
"column": 15
},
"end": {
"line": 52,
"column": 21
}
}
},
"property": {
"type": "Identifier",
"name": "_subscribe",
"range": [
2245,
2255
],
"loc": {
"start": {
"line": 52,
"column": 22
},
"end": {
"line": 52,
"column": 32
}
}
},
"range": [
2238,
2255
],
"loc": {
"start": {
"line": 52,
"column": 15
},
"end": {
"line": 52,
"column": 32
}
}
},
"arguments": [
{
"type": "NewExpression",
"callee": {
"type": "Identifier",
"name": "SwitchSubscriber",
"range": [
2260,
2276
],
"loc": {
"start": {
"line": 52,
"column": 37
},
"end": {
"line": 52,
"column": 53
}
}
},
"arguments": [
{
"type": "Identifier",
"name": "subscriber",
"range": [
2277,
2287
],
"loc": {
"start": {
"line": 52,
"column": 54
},
"end": {
"line": 52,
"column": 64
}
}
}
],
"range": [
2256,
2288
],
"loc": {
"start": {
"line": 52,
"column": 33
},
"end": {
"line": 52,
"column": 65
}
}
}
],
"range": [
2238,
2289
],
"loc": {
"start": {
"line": 52,
"column": 15
},
"end": {
"line": 52,
"column": 66
}
}
},
"range": [
2231,
2290
],
"loc": {
"start": {
"line": 52,
"column": 8
},
"end": {
"line": 52,
"column": 67
}
}
}
],
"range": [
2221,
2296
],
"loc": {
"start": {
"line": 51,
"column": 66
},
"end": {
"line": 53,
"column": 5
}
}
},
"generator": false,
"expression": false,
"range": [
2191,
2296
],
"loc": {
"start": {
"line": 51,
"column": 36
},
"end": {
"line": 53,
"column": 5
}
}
},
"range": [
2159,
2296
],
"loc": {
"start": {
"line": 51,
"column": 4
},
"end": {
"line": 53,
"column": 5
}
}
},
"range": [
2159,
2297
],
"loc": {
"start": {
"line": 51,
"column": 4
},
"end": {
"line": 53,
"column": 6
}
}
},
{
"type": "ReturnStatement",
"argument": {
"type": "Identifier",
"name": "SwitchOperator",
"range": [
2309,
2323
],
"loc": {
"start": {
"line": 54,
"column": 11
},
"end": {
"line": 54,
"column": 25
}
}
},
"range": [
2302,
2324
],
"loc": {
"start": {
"line": 54,
"column": 4
},
"end": {
"line": 54,
"column": 26
}
}
}
],
"range": [
2115,
2326
],
"loc": {
"start": {
"line": 48,
"column": 34
},
"end": {
"line": 55,
"column": 1
}
}
},
"generator": false,
"expression": false,
"range": [
2103,
2326
],
"loc": {
"start": {
"line": 48,
"column": 22
},
"end": {
"line": 55,
"column": 1
}
}
},
"arguments": [],
"range": [
2103,
2328
],
"loc": {
"start": {
"line": 48,
"column": 22
},
"end": {
"line": 55,
"column": 3
}
}
},
"range": [
2085,
2329
],
"loc": {
"start": {
"line": 48,
"column": 4
},
"end": {
"line": 55,
"column": 4
}
}
}
],
"kind": "var",
"range": [
2081,
2330
],
"loc": {
"start": {
"line": 48,
"column": 0
},
"end": {
"line": 55,
"column": 5
}
},
"trailingComments": [
{
"type": "Block",
"value": "*\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n ",
"range": [
2331,
2422
],
"loc": {
"start": {
"line": 56,
"column": 0
},
"end": {
"line": 60,
"column": 3
}
}
}
]
},
{
"type": "VariableDeclaration",
"declarations": [
{
"type": "VariableDeclarator",
"id": {
"type": "Identifier",
"name": "SwitchSubscriber",
"range": [
2427,
2443
],
"loc": {
"start": {
"line": 61,
"column": 4
},
"end": {
"line": 61,
"column": 20
}
}
},
"init": {
"type": "CallExpression",
"callee": {
"type": "FunctionExpression",
"id": null,
"params": [
{
"type": "Identifier",
"name": "_super",
"range": [
2457,
2463
],
"loc": {
"start": {
"line": 61,
"column": 34
},
"end": {
"line": 61,
"column": 40
}
}
}
],
"body": {
"type": "BlockStatement",
"body": [
{
"type": "ExpressionStatement",
"expression": {
"type": "CallExpression",
"callee": {
"type": "Identifier",
"name": "__extends",
"range": [
2471,
2480
],
"loc": {
"start": {
"line": 62,
"column": 4
},
"end": {
"line": 62,
"column": 13
}
}
},
"arguments": [
{
"type": "Identifier",
"name": "SwitchSubscriber",
"range": [
2481,
2497
],
"loc": {
"start": {
"line": 62,
"column": 14
},
"end": {
"line": 62,
"column": 30
}
}
},
{
"type": "Identifier",
"name": "_super",
"range": [
2499,
2505
],
"loc": {
"start": {
"line": 62,
"column": 32
},
"end": {
"line": 62,
"column": 38
}
}
}
],
"range": [
2471,
2506
],
"loc": {
"start": {
"line": 62,
"column": 4
},
"end": {
"line": 62,
"column": 39
}
}
},
"range": [
2471,
2507
],
"loc": {
"start": {
"line": 62,
"column": 4
},
"end": {
"line": 62,
"column": 40
}
}
},
{
"type": "FunctionDeclaration",
"id": {
"type": "Identifier",
"name": "SwitchSubscriber",
"range": [
2521,
2537
],
"loc": {
"start": {
"line": 63,
"column": 13
},
"end": {
"line": 63,
"column": 29
}
}
},
"params": [
{
"type": "Identifier",
"name": "destination",
"range": [
2538,
2549
],
"loc": {
"start": {
"line": 63,
"column": 30
},
"end": {
"line": 63,
"column": 41
}
}
}
],
"body": {
"type": "BlockStatement",
"body": [
{
"type": "ExpressionStatement",
"expression": {
"type": "CallExpression",
"callee": {
"type": "MemberExpression",
"computed": false,
"object": {
"type": "Identifier",
"name": "_super",
"range": [
2561,
2567
],
"loc": {
"start": {
"line": 64,
"column": 8
},
"end": {
"line": 64,
"column": 14
}
}
},
"property": {
"type": "Identifier",
"name": "call",
"range": [
2568,
2572
],
"loc": {
"start": {
"line": 64,
"column": 15
},
"end": {
"line": 64,
"column": 19
}
}
},
"range": [
2561,
2572
],
"loc": {
"start": {
"line": 64,
"column": 8
},
"end": {
"line": 64,
"column": 19
}
}
},
"arguments": [
{
"type": "ThisExpression",
"range": [
2573,
2577
],
"loc": {
"start": {
"line": 64,
"column": 20
},
"end": {
"line": 64,
"column": 24
}
}
},
{
"type": "Identifier",
"name": "destination",
"range": [
2579,
2590
],
"loc": {
"start": {
"line": 64,
"column": 26
},
"end": {
"line": 64,
"column": 37
}
}
}
],
"range": [
2561,
2591
],
"loc": {
"start": {
"line": 64,
"column": 8
},
"end": {
"line": 64,
"column": 38
}
}
},
"range": [
2561,
2592
],
"loc": {
"start": {
"line": 64,
"column": 8
},
"end": {
"line": 64,
"column": 39
}
}
},
{
"type": "ExpressionStatement",
"expression": {
"type": "AssignmentExpression",
"operator": "=",
"left": {
"type": "MemberExpression",
"computed": false,
"object": {
"type": "ThisExpression",
"range": [
2601,
2605
],
"loc": {
"start": {
"line": 65,
"column": 8
},
"end": {
"line": 65,
"column": 12
}
}
},
"property": {
"type": "Identifier",
"name": "active",
"range": [
2606,
2612
],
"loc": {
"start": {
"line": 65,
"column": 13
},
"end": {
"line": 65,
"column": 19
}
}
},
"range": [
2601,
2612
],
"loc": {
"start": {
"line": 65,
"column": 8
},
"end": {
"line": 65,
"column": 19
}
}
},
"right": {
"type": "Literal",
"value": 0,
"raw": "0",
"range": [
2615,
2616
],
"loc": {
"start": {
"line": 65,
"column": 22
},
"end": {
"line": 65,
"column": 23
}
}
},
"range": [
2601,
2616
],
"loc": {
"start": {
"line": 65,
"column": 8