@bemedev/rx-add-ons/lib/time.cjs.map

A collection of RxJS operators and utilities to enhance reactive programming capabilities.

{"version":3,"file":"time.cjs","sources":["../src/time.ts"],"sourcesContent":["import { EMPTY, Observable } from 'rxjs';\nimport { race } from 'rxjs/internal/observable/race';\nimport { timer } from 'rxjs/internal/observable/timer';\nimport { switchMap } from 'rxjs/internal/operators/switchMap';\n\n/**\n * Switches to a fallback Observable if the source doesn't emit within the specified timeout.\n * Unlike the standard timeout operator, this doesn't error but switches to the fallback.\n *\n * @param timeout - Timeout duration in milliseconds\n * @param fallback - Observable to switch to on timeout\n * @returns A function that returns an Observable that emits from source or fallback\n *\n * @example\n * ```typescript\n * // Switch to fallback after 5 seconds\n * source$.pipe(\n *   timeoutWithFallback(5000, of('timeout'))\n * )\n *\n * // Switch to alternative data source on timeout\n * source$.pipe(\n *   timeoutWithFallback(3000, alternativeSource$)\n * )\n * ```\n */\nexport const timeoutWithFallback = <T>(\n  timeout: number,\n  fallback: Observable<T> = EMPTY,\n): ((source: Observable<T>) => Observable<T>) => {\n  return source => {\n    return race(source, timer(timeout).pipe(switchMap(() => fallback)));\n  };\n};\n\n/**\n * Switches to a fallback Observable if the source doesn't emit within the specified timeout.\n * Unlike the standard timeout operator, this doesn't error but switches to the fallback.\n *\n * @param timeout - Timeout duration in milliseconds\n * @param fallback - Observable to switch to on timeout\n * @returns A function that returns an Observable that emits from source or fallback\n *\n * @example\n * ```typescript\n * // Switch to fallback after 5 seconds\n * source$.pipe(\n *   timeoutWithFallback(5000, of('timeout'))\n * )\n *\n * // Switch to alternative data source on timeout\n * source$.pipe(\n *   timeoutWithFallback(3000, alternativeSource$)\n * )\n * ```\n */\nexport const timeout = timeoutWithFallback;\n\n/**\n * Timeout with fallback that can be configured per emission\n * Resets timeout on each emission from source\n *\n * @see {@linkcode timeoutWithFallback}\n */\nexport const tickWithFallback = <T>(\n  timeout: number,\n  fallback: Observable<T> = EMPTY,\n): ((source: Observable<T>) => Observable<T>) => {\n  return source => {\n    return new Observable<T>(subscriber => {\n      let timeoutHandle: NodeJS.Timeout | null = null;\n      let isCompleted = false;\n\n      const resetTimeout = () => {\n        if (timeoutHandle) {\n          clearTimeout(timeoutHandle);\n        }\n\n        timeoutHandle = setTimeout(() => {\n          if (!isCompleted) {\n            isCompleted = true;\n            sourceSubscription.unsubscribe();\n\n            // Switch to fallback\n            fallback.subscribe({\n              next: value => subscriber.next(value),\n              error: err => subscriber.error(err),\n              complete: () => subscriber.complete(),\n            });\n          }\n        }, timeout);\n      };\n\n      // Start initial timeout\n      resetTimeout();\n\n      const sourceSubscription = source.subscribe({\n        next: value => {\n          if (!isCompleted) {\n            subscriber.next(value);\n            resetTimeout(); // Reset timeout on each emission\n          }\n        },\n        error: err => {\n          if (!isCompleted) {\n            isCompleted = true;\n            if (timeoutHandle) {\n              clearTimeout(timeoutHandle);\n            }\n            subscriber.error(err);\n          }\n        },\n        complete: () => {\n          if (!isCompleted) {\n            isCompleted = true;\n            if (timeoutHandle) {\n              clearTimeout(timeoutHandle);\n            }\n            subscriber.complete();\n          }\n        },\n      });\n\n      return () => {\n        isCompleted = true;\n        if (timeoutHandle) {\n          clearTimeout(timeoutHandle);\n        }\n        sourceSubscription.unsubscribe();\n      };\n    });\n  };\n};\n\n/**\n * Timeout with fallback that can be configured per emission\n * Resets timeout on each emission from source\n *\n * @see {@linkcode timeoutWithFallback}\n */\nexport const tick = tickWithFallback;\n"],"names":["EMPTY","race","timer","switchMap","Observable"],"mappings":";;;;;;;AAKA;;;;;;;;;;;;;;;;;;;;AAoBG;AACI,MAAM,mBAAmB,GAAG,CACjC,OAAe,EACf,QAAA,GAA0BA,UAAK,KACe;IAC9C,OAAO,MAAM,IAAG;QACd,OAAOC,SAAI,CAAC,MAAM,EAAEC,WAAK,CAAC,OAAO,CAAC,CAAC,IAAI,CAACC,mBAAS,CAAC,MAAM,QAAQ,CAAC,CAAC,CAAC;AACrE,IAAA,CAAC;AACH;AAEA;;;;;;;;;;;;;;;;;;;;AAoBG;AACI,MAAM,OAAO,GAAG;AAEvB;;;;;AAKG;AACI,MAAM,gBAAgB,GAAG,CAC9B,OAAe,EACf,QAAA,GAA0BH,UAAK,KACe;IAC9C,OAAO,MAAM,IAAG;AACd,QAAA,OAAO,IAAII,eAAU,CAAI,UAAU,IAAG;YACpC,IAAI,aAAa,GAA0B,IAAI;YAC/C,IAAI,WAAW,GAAG,KAAK;YAEvB,MAAM,YAAY,GAAG,MAAK;gBACxB,IAAI,aAAa,EAAE;oBACjB,YAAY,CAAC,aAAa,CAAC;gBAC7B;AAEA,gBAAA,aAAa,GAAG,UAAU,CAAC,MAAK;oBAC9B,IAAI,CAAC,WAAW,EAAE;wBAChB,WAAW,GAAG,IAAI;wBAClB,kBAAkB,CAAC,WAAW,EAAE;;wBAGhC,QAAQ,CAAC,SAAS,CAAC;4BACjB,IAAI,EAAE,KAAK,IAAI,UAAU,CAAC,IAAI,CAAC,KAAK,CAAC;4BACrC,KAAK,EAAE,GAAG,IAAI,UAAU,CAAC,KAAK,CAAC,GAAG,CAAC;AACnC,4BAAA,QAAQ,EAAE,MAAM,UAAU,CAAC,QAAQ,EAAE;AACtC,yBAAA,CAAC;oBACJ;gBACF,CAAC,EAAE,OAAO,CAAC;AACb,YAAA,CAAC;;AAGD,YAAA,YAAY,EAAE;AAEd,YAAA,MAAM,kBAAkB,GAAG,MAAM,CAAC,SAAS,CAAC;gBAC1C,IAAI,EAAE,KAAK,IAAG;oBACZ,IAAI,CAAC,WAAW,EAAE;AAChB,wBAAA,UAAU,CAAC,IAAI,CAAC,KAAK,CAAC;wBACtB,YAAY,EAAE,CAAC;oBACjB;gBACF,CAAC;gBACD,KAAK,EAAE,GAAG,IAAG;oBACX,IAAI,CAAC,WAAW,EAAE;wBAChB,WAAW,GAAG,IAAI;wBAClB,IAAI,aAAa,EAAE;4BACjB,YAAY,CAAC,aAAa,CAAC;wBAC7B;AACA,wBAAA,UAAU,CAAC,KAAK,CAAC,GAAG,CAAC;oBACvB;gBACF,CAAC;gBACD,QAAQ,EAAE,MAAK;oBACb,IAAI,CAAC,WAAW,EAAE;wBAChB,WAAW,GAAG,IAAI;wBAClB,IAAI,aAAa,EAAE;4BACjB,YAAY,CAAC,aAAa,CAAC;wBAC7B;wBACA,UAAU,CAAC,QAAQ,EAAE;oBACvB;gBACF,CAAC;AACF,aAAA,CAAC;AAEF,YAAA,OAAO,MAAK;gBACV,WAAW,GAAG,IAAI;gBAClB,IAAI,aAAa,EAAE;oBACjB,YAAY,CAAC,aAAa,CAAC;gBAC7B;gBACA,kBAAkB,CAAC,WAAW,EAAE;AAClC,YAAA,CAAC;AACH,QAAA,CAAC,CAAC;AACJ,IAAA,CAAC;AACH;AAEA;;;;;AAKG;AACI,MAAM,IAAI,GAAG;;;;;;;"}