{"version":3,"sources":["asynciterable/operators/groupjoin.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,cAAc,EAAE,MAAM,mBAAmB,CAAC;AACnD,OAAO,EAAE,cAAc,EAAE,MAAM,aAAa,CAAC;AAC7C,OAAO,EAAE,KAAK,EAAE,MAAM,UAAU,CAAC;AACjC,OAAO,EAAE,IAAI,EAAE,MAAM,SAAS,CAAC;AAC/B,OAAO,EAAE,QAAQ,EAAE,MAAM,qBAAqB,CAAC;AAG/C,MAAM,OAAO,sBAAsD,SAAQ,cAAuB;IAUhG,YACE,KAA4B,EAC5B,KAA4B,EAC5B,aAAsD,EACtD,aAAsD,EACtD,cAA2F;QAE3F,KAAK,EAAE,CAAC;QACR,IAAI,CAAC,MAAM,GAAG,KAAK,CAAC;QACpB,IAAI,CAAC,MAAM,GAAG,KAAK,CAAC;QACpB,IAAI,CAAC,cAAc,GAAG,aAAa,CAAC;QACpC,IAAI,CAAC,cAAc,GAAG,aAAa,CAAC;QACpC,IAAI,CAAC,eAAe,GAAG,cAAc,CAAC;IACxC,CAAC;IAED,KAAK,CAAC,CAAC,CAAC,MAAM,CAAC,aAAa,CAAC;QAC3B,MAAM,GAAG,GAAG,MAAM,cAAc,CAAC,IAAI,CAAC,MAAM,EAAE,IAAI,CAAC,cAAc,EAAE,QAAQ,CAAC,CAAC;QAC7E,IAAI,KAAK,EAAE,MAAM,YAAY,IAAI,IAAI,CAAC,MAAM,EAAE;YAC5C,MAAM,QAAQ,GAAG,MAAM,IAAI,CAAC,cAAc,CAAC,YAAY,CAAC,CAAC;YACzD,MAAM,aAAa,GAAG,GAAG,CAAC,GAAG,CAAC,QAAQ,CAAC;gBACrC,CAAC,CAAmB,GAAG,CAAC,GAAG,CAAC,QAAQ,CAAC;gBACrC,CAAC,CAAC,KAAK,EAAU,CAAC;YACpB,MAAM,MAAM,IAAI,CAAC,eAAe,CAAC,YAAY,EAAE,IAAI,CAAC,aAAa,CAAC,CAAC,CAAC;SACrE;IACH,CAAC;CACF;AAED,MAAM,UAAU,SAAS,CACvB,KAA4B,EAC5B,aAAsD,EACtD,aAAsD,EACtD,cAA2F;IAE3F,OAAO,SAAS,yBAAyB,CAAC,KAA4B;QACpE,OAAO,IAAI,sBAAsB,CAC/B,KAAK,EACL,KAAK,EACL,aAAa,EACb,aAAa,EACb,cAAc,CACf,CAAC;IACJ,CAAC,CAAC;AACJ,CAAC","file":"groupjoin.js","sourcesContent":["import { AsyncIterableX } from '../asynciterablex';\nimport { createGrouping } from './_grouping';\nimport { empty } from '../empty';\nimport { from } from '../from';\nimport { identity } from '../../util/identity';\nimport { OperatorAsyncFunction } from '../../interfaces';\n\nexport class GroupJoinAsyncIterable<TOuter, TInner, TKey, TResult> extends AsyncIterableX<TResult> {\n  private _outer: AsyncIterable<TOuter>;\n  private _inner: AsyncIterable<TInner>;\n  private _outerSelector: (value: TOuter) => TKey | Promise<TKey>;\n  private _innerSelector: (value: TInner) => TKey | Promise<TKey>;\n  private _resultSelector: (\n    outer: TOuter,\n    inner: AsyncIterable<TInner>\n  ) => TResult | Promise<TResult>;\n\n  constructor(\n    outer: AsyncIterable<TOuter>,\n    inner: AsyncIterable<TInner>,\n    outerSelector: (value: TOuter) => TKey | Promise<TKey>,\n    innerSelector: (value: TInner) => TKey | Promise<TKey>,\n    resultSelector: (outer: TOuter, inner: AsyncIterable<TInner>) => TResult | Promise<TResult>\n  ) {\n    super();\n    this._outer = outer;\n    this._inner = inner;\n    this._outerSelector = outerSelector;\n    this._innerSelector = innerSelector;\n    this._resultSelector = resultSelector;\n  }\n\n  async *[Symbol.asyncIterator]() {\n    const map = await createGrouping(this._inner, this._innerSelector, identity);\n    for await (const outerElement of this._outer) {\n      const outerKey = await this._outerSelector(outerElement);\n      const innerElements = map.has(outerKey)\n        ? <Iterable<TInner>>map.get(outerKey)\n        : empty<TInner>();\n      yield await this._resultSelector(outerElement, from(innerElements));\n    }\n  }\n}\n\nexport function groupJoin<TOuter, TInner, TKey, TResult>(\n  inner: AsyncIterable<TInner>,\n  outerSelector: (value: TOuter) => TKey | Promise<TKey>,\n  innerSelector: (value: TInner) => TKey | Promise<TKey>,\n  resultSelector: (outer: TOuter, inner: AsyncIterable<TInner>) => TResult | Promise<TResult>\n): OperatorAsyncFunction<TOuter, TResult> {\n  return function groupJoinOperatorFunction(outer: AsyncIterable<TOuter>): AsyncIterableX<TResult> {\n    return new GroupJoinAsyncIterable<TOuter, TInner, TKey, TResult>(\n      outer,\n      inner,\n      outerSelector,\n      innerSelector,\n      resultSelector\n    );\n  };\n}\n"]}