| 1 | {"version":3,"sources":["asynciterable/flatmap.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,cAAc,EAAE,MAAM,kBAAkB,CAAC;AAClD,OAAO,EAAE,YAAY,EAAE,MAAM,0BAA0B,CAAC;AAExD,MAAM,OAAO,oBAAuC,SAAQ,cAAuB;IAIjF,YACE,MAA8B,EAC9B,QAAsF;QAEtF,KAAK,EAAE,CAAC;QACR,IAAI,CAAC,OAAO,GAAG,MAAM,CAAC;QACtB,IAAI,CAAC,SAAS,GAAG,QAAQ,CAAC;IAC5B,CAAC;IAED,KAAK,CAAC,CAAC,CAAC,MAAM,CAAC,aAAa,CAAC;QAC3B,IAAI,KAAK,EAAE,IAAI,KAAK,IAAI,IAAI,CAAC,OAAO,EAAE;YACpC,MAAM,MAAM,GAAG,MAAM,IAAI,CAAC,SAAS,CAAC,KAAK,CAAC,CAAC;YAC3C,IAAI,KAAK,EAAE,IAAI,KAAK,IAAI,MAAM,EAAE;gBAC9B,MAAM,KAAK,CAAC;aACb;SACF;IACH,CAAC;CACF;AAED,MAAM,UAAU,OAAO,CACrB,MAA8B,EAC9B,QAAsF,EACtF,OAAa;IAEb,OAAO,IAAI,oBAAoB,CAAmB,MAAM,EAAE,YAAY,CAAC,QAAQ,EAAE,OAAO,EAAE,CAAC,CAAC,CAAC,CAAC;AAChG,CAAC","file":"flatmap.js","sourcesContent":["import { AsyncIterableX } from './asynciterablex';\nimport { bindCallback } from '../internal/bindcallback';\n\nexport class FlatMapAsyncIterable<TSource, TResult> extends AsyncIterableX<TResult> {\n private _source: AsyncIterable<TSource>;\n private _selector: (value: TSource) => AsyncIterable<TResult> | Promise<AsyncIterable<TResult>>;\n\n constructor(\n source: AsyncIterable<TSource>,\n selector: (value: TSource) => AsyncIterable<TResult> | Promise<AsyncIterable<TResult>>\n ) {\n super();\n this._source = source;\n this._selector = selector;\n }\n\n async *[Symbol.asyncIterator]() {\n for await (let outer of this._source) {\n const inners = await this._selector(outer);\n for await (let inner of inners) {\n yield inner;\n }\n }\n }\n}\n\nexport function flatMap<TSource, TResult>(\n source: AsyncIterable<TSource>,\n selector: (value: TSource) => AsyncIterable<TResult> | Promise<AsyncIterable<TResult>>,\n thisArg?: any\n): AsyncIterableX<TResult> {\n return new FlatMapAsyncIterable<TSource, TResult>(source, bindCallback(selector, thisArg, 1));\n}\n"]} |