| 1 | {"version":3,"sources":["iterable/from.ts"],"names":[],"mappings":"AACA,OAAO,EAAE,QAAQ,EAAE,MAAM,kBAAkB,CAAC;AAC5C,OAAO,EAAE,YAAY,EAAE,MAAM,sBAAsB,CAAC;AACpD,OAAO,EAAE,UAAU,EAAE,WAAW,EAAE,UAAU,EAAE,MAAM,oBAAoB,CAAC;AACzE,OAAO,EAAE,QAAQ,EAAE,MAAM,kBAAkB,CAAC;AAE5C,kBAAkB;AAClB,MAAM,CAAC,IAAI,IAIY,CAAC;AAExB,kBAAkB;AAClB,MAAM,CAAC,IAAI,YAGY,CAAC;AAExB,MAAM,UAAU,WAAW,CAAC,IAAsB;IAChD,kBAAkB;IAClB,IAAI,GAAG,UACL,MAAkE,EAClE,WAAuD,QAAQ,EAC/D,OAAa;QAEb,MAAM,EAAE,GAAG,YAAY,CAAC,QAAQ,EAAE,OAAO,EAAE,CAAC,CAAC,CAAC;QAC9C,IAAI,UAAU,CAAC,MAAM,CAAC,EAAE;YACtB,OAAO,IAAI,YAAY,CAAmB,MAAM,EAAE,EAAE,CAAC,CAAC;SACvD;QACD,IAAI,WAAW,CAAC,MAAM,CAAC,EAAE;YACvB,OAAO,IAAI,YAAY,CAAmB,MAAM,EAAE,EAAE,CAAC,CAAC;SACvD;QACD,IAAI,UAAU,CAAC,MAAM,CAAC,EAAE;YACtB,OAAO,IAAI,YAAY,CAAmB,EAAE,CAAC,MAAM,CAAC,QAAQ,CAAC,EAAE,GAAG,EAAE,CAAC,MAAM,EAAE,EAAE,EAAE,CAAC,CAAC;SACpF;QACD,MAAM,IAAI,SAAS,CAAC,0BAA0B,CAAC,CAAC;IAClD,CAAC,CAAC;IAEF,qCAAqC;IACrC,YAAY,GAAG,MAAM,YAAyC,SAAQ,IAAa;QAIjF,YACE,MAA8C,EAC9C,EAA8C;YAE9C,KAAK,EAAE,CAAC;YACR,IAAI,CAAC,OAAO,GAAG,MAAM,CAAC;YACtB,IAAI,CAAC,GAAG,GAAG,EAAE,CAAC;QAChB,CAAC;QAED,CAAC,CAAC,MAAM,CAAC,QAAQ,CAAC;YAChB,MAAM,QAAQ,GAAG,UAAU,CAAC,IAAI,CAAC,OAAO,CAAC,CAAC;YAC1C,IAAI,CAAC,GAAG,CAAC,CAAC;YACV,IAAI,QAAQ,EAAE;gBACZ,KAAK,MAAM,IAAI,IAAwB,IAAI,CAAC,OAAO,EAAE;oBACnD,MAAM,IAAI,CAAC,GAAG,CAAC,IAAI,EAAE,CAAC,EAAE,CAAC,CAAC;iBAC3B;aACF;iBAAM;gBACL,MAAM,MAAM,GAAG,QAAQ,CAAuB,IAAI,CAAC,OAAQ,CAAC,MAAM,CAAC,CAAC;gBACpE,OAAO,CAAC,GAAG,MAAM,EAAE;oBACjB,MAAM,GAAG,GAAyB,IAAI,CAAC,OAAQ,CAAC,CAAC,CAAC,CAAC;oBACnD,MAAM,IAAI,CAAC,GAAG,CAAC,GAAG,EAAE,CAAC,EAAE,CAAC,CAAC;iBAC1B;aACF;QACH,CAAC;KACF,CAAC;AACJ,CAAC","file":"from.js","sourcesContent":["import { IterableX } from './iterablex';\nimport { identity } from '../util/identity';\nimport { bindCallback } from '../util/bindcallback';\nimport { isIterable, isArrayLike, isIterator } from '../util/isiterable';\nimport { toLength } from '../util/tolength';\n\n/** @nocollapse */\nexport let from: <TSource, TResult = TSource>(\n source: Iterable<TSource> | Iterator<TSource> | ArrayLike<TSource>,\n selector?: (value: TSource, index: number) => TResult,\n thisArg?: any\n) => IterableX<TResult>;\n\n/** @nocollapse */\nexport let FromIterable: new <TSource, TResult = TSource>(\n source: Iterable<TSource> | ArrayLike<TSource>,\n selector: (value: TSource, index: number) => TResult\n) => IterableX<TResult>;\n\nexport function _initialize(Ctor: typeof IterableX) {\n /** @nocollapse */\n from = function<TSource, TResult = TSource> (\n source: Iterable<TSource> | Iterator<TSource> | ArrayLike<TSource>,\n selector: (value: TSource, index: number) => TResult = identity,\n thisArg?: any\n ): IterableX<TResult> {\n const fn = bindCallback(selector, thisArg, 2);\n if (isIterable(source)) {\n return new FromIterable<TSource, TResult>(source, fn);\n }\n if (isArrayLike(source)) {\n return new FromIterable<TSource, TResult>(source, fn);\n }\n if (isIterator(source)) {\n return new FromIterable<TSource, TResult>({ [Symbol.iterator]: () => source }, fn);\n }\n throw new TypeError('Input type not supported');\n };\n\n // eslint-disable-next-line no-shadow\n FromIterable = class FromIterable<TSource, TResult = TSource> extends Ctor<TResult> {\n private _source: Iterable<TSource> | ArrayLike<TSource>;\n private _fn: (value: TSource, index: number) => TResult;\n\n constructor(\n source: Iterable<TSource> | ArrayLike<TSource>,\n fn: (value: TSource, index: number) => TResult\n ) {\n super();\n this._source = source;\n this._fn = fn;\n }\n\n *[Symbol.iterator]() {\n const iterable = isIterable(this._source);\n let i = 0;\n if (iterable) {\n for (const item of <Iterable<TSource>> this._source) {\n yield this._fn(item, i++);\n }\n } else {\n const length = toLength((<ArrayLike<TSource>> this._source).length);\n while (i < length) {\n const val = (<ArrayLike<TSource>> this._source)[i];\n yield this._fn(val, i++);\n }\n }\n }\n };\n}\n"]} |