{"version":3,"sources":["asynciterable/operators/debounce.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,cAAc,EAAE,MAAM,mBAAmB,CAAC;AAEnD,OAAO,EAAE,UAAU,EAAE,cAAc,EAAE,MAAM,kBAAkB,CAAC;AAE9D,MAAM,OAAO,qBAA+B,SAAQ,cAAuB;IAIzE,YAAY,MAA8B,EAAE,IAAY;QACtD,KAAK,EAAE,CAAC;QACR,IAAI,CAAC,OAAO,GAAG,MAAM,CAAC;QACtB,IAAI,CAAC,KAAK,GAAG,IAAI,CAAC;IACpB,CAAC;IAED,KAAK,CAAC,CAAC,CAAC,MAAM,CAAC,aAAa,CAAC,CAAC,MAAoB;QAChD,cAAc,CAAC,MAAM,CAAC,CAAC;QACvB,IAAI,IAAI,GAAG,KAAK,CAAC;QACjB,IAAI,MAAM,GAA2B,GAAG,EAAE;YACxC,IAAI;QACN,CAAC,CAAC;QACF,IAAI,OAAO,GAAqD,GAAG,EAAE;YACnE,IAAI;QACN,CAAC,CAAC;QACF,IAAI,OAAO,GAAG,IAAI,OAAO,CAAU,CAAC,EAAE,EAAE,EAAE,EAAE,EAAE;YAC5C,OAAO,GAAG,EAAE,CAAC;YACb,MAAM,GAAG,EAAE,CAAC;QACd,CAAC,CAAC,CAAC;QACH,CAAC,KAAK,IAAI,EAAE;YACV,IAAI,EAAE,GAAQ,IAAI,CAAC;YAEnB,MAAM,SAAS,GAAG,CAAC,KAAc,EAAE,EAAE;gBACnC,EAAE,GAAG,IAAI,CAAC;gBACV,OAAO,CAAC,KAAK,CAAC,CAAC;gBACf,OAAO,GAAG,IAAI,OAAO,CAAU,CAAC,EAAE,EAAE,EAAE,EAAE,EAAE;oBACxC,OAAO,GAAG,EAAE,CAAC;oBACb,MAAM,GAAG,EAAE,CAAC;gBACd,CAAC,CAAC,CAAC;YACL,CAAC,CAAC;YAEF,IAAI,MAAM,EAAE;gBACV,MAAM,CAAC,gBAAgB,CACrB,OAAO,EACP,GAAG,EAAE;oBACH,IAAI,GAAG,IAAI,CAAC;oBACZ,IAAI,EAAE,EAAE;wBACN,YAAY,CAAC,EAAE,CAAC,CAAC;qBAClB;oBACD,EAAE,GAAG,IAAI,CAAC;oBACV,MAAM,CAAC,IAAI,UAAU,EAAE,CAAC,CAAC;gBAC3B,CAAC,EACD,EAAE,IAAI,EAAE,IAAI,EAAE,CACf,CAAC;aACH;YAED,IAAI;gBACF,IAAI,MAA+B,CAAC;gBACpC,aAAa;gBACb,MAAM,EAAE,GAAG,IAAI,CAAC,OAAO,CAAC,MAAM,CAAC,aAAa,CAAC,CAAC,MAAM,CAAC,CAAC;gBACtD,mBAAmB;gBACnB,sBAAsB;gBACtB,mFAAmF;gBACnF,OAAO,CAAC,IAAI,IAAI,CAAC,CAAC,MAAM,GAAG,MAAM,EAAE,CAAC,IAAI,EAAE,CAAC,CAAC,IAAI,IAAI,CAAC,IAAI,EAAE;oBACzD,IAAI,EAAE,EAAE;wBACN,YAAY,CAAC,EAAE,CAAC,CAAC;qBAClB;oBACD,EAAE,GAAG,UAAU,CAAC,SAAS,EAAE,IAAI,CAAC,KAAK,EAAE,MAAM,CAAC,KAAK,CAAC,CAAC;iBACtD;aACF;YAAC,OAAO,CAAC,EAAE;gBACV,MAAM,CAAC,CAAC,CAAC,CAAC;aACX;YACD,IAAI,GAAG,IAAI,CAAC;QACd,CAAC,CAAC,EAAE,CAAC;QAEL,OAAO,CAAC,IAAI,EAAE;YACZ,MAAM,MAAM,OAAO,CAAC;SACrB;IACH,CAAC;CACF;AAED;;;;;;;;GAQG;AACH,MAAM,UAAU,QAAQ,CAAU,IAAY;IAC5C,OAAO,SAAS,wBAAwB,CACtC,MAA8B;QAE9B,OAAO,IAAI,qBAAqB,CAAU,MAAM,EAAE,IAAI,CAAC,CAAC;IAC1D,CAAC,CAAC;AACJ,CAAC","file":"debounce.js","sourcesContent":["import { AsyncIterableX } from '../asynciterablex';\nimport { MonoTypeOperatorAsyncFunction } from '../../interfaces';\nimport { AbortError, throwIfAborted } from '../../aborterror';\n\nexport class DebounceAsyncIterable<TSource> extends AsyncIterableX<TSource> {\n  private _source: AsyncIterable<TSource>;\n  private _time: number;\n\n  constructor(source: AsyncIterable<TSource>, time: number) {\n    super();\n    this._source = source;\n    this._time = time;\n  }\n\n  async *[Symbol.asyncIterator](signal?: AbortSignal) {\n    throwIfAborted(signal);\n    let done = false;\n    let reject: (reason?: any) => void = () => {\n      /**/\n    };\n    let resolve: (value?: TSource | PromiseLike<TSource>) => void = () => {\n      /**/\n    };\n    let promise = new Promise<TSource>((r1, r2) => {\n      resolve = r1;\n      reject = r2;\n    });\n    (async () => {\n      let id: any = null;\n\n      const emitValue = (value: TSource) => {\n        id = null;\n        resolve(value);\n        promise = new Promise<TSource>((r1, r2) => {\n          resolve = r1;\n          reject = r2;\n        });\n      };\n\n      if (signal) {\n        signal.addEventListener(\n          'abort',\n          () => {\n            done = true;\n            if (id) {\n              clearTimeout(id);\n            }\n            id = null;\n            reject(new AbortError());\n          },\n          { once: true }\n        );\n      }\n\n      try {\n        let result: IteratorResult<TSource>;\n        // @ts-ignore\n        const it = this._source[Symbol.asyncIterator](signal);\n        // 1. check `!done`\n        // 2. await next value\n        // 3. check `!done` again, in case the signal aborted while the promise was pending\n        while (!done && !(result = await it.next()).done && !done) {\n          if (id) {\n            clearTimeout(id);\n          }\n          id = setTimeout(emitValue, this._time, result.value);\n        }\n      } catch (e) {\n        reject(e);\n      }\n      done = true;\n    })();\n\n    while (!done) {\n      yield await promise;\n    }\n  }\n}\n\n/**\n * Emits a notification from the source async-iterable only after a particular time span\n * has passed without another source emission.\n *\n * @export\n * @template TSource The type of elements in the source sequence.\n * @param {number} time The timeout duration in milliseconds\n * @returns {MonoTypeOperatorAsyncFunction<TSource>} An operator function which debounces by the given timeout.\n */\nexport function debounce<TSource>(time: number): MonoTypeOperatorAsyncFunction<TSource> {\n  return function debounceOperatorFunction(\n    source: AsyncIterable<TSource>\n  ): AsyncIterableX<TSource> {\n    return new DebounceAsyncIterable<TSource>(source, time);\n  };\n}\n"]}