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{ as as asIterable } from './as';\nimport { _initialize as _initializeFrom } from './from';\nimport { UnaryFunction, OperatorFunction } from '../interfaces';\nimport { bindCallback } from '../util/bindcallback';\nimport { isReadableNodeStream, isWritableNodeStream } from '../util/isiterable';\n\n/**\n * This class serves as the base for all operations which support [Symbol.iterator].\n */\nexport abstract class IterableX<T> implements Iterable<T> {\n abstract [Symbol.iterator](): Iterator<T>;\n\n forEach(projection: (value: T, index: number) => void, thisArg?: any): void {\n const fn = bindCallback(projection, thisArg, 2);\n let i = 0;\n for (const item of this) {\n fn(item, i++);\n }\n }\n\n /** @nocollapse */\n pipe<R>(...operations: UnaryFunction<Iterable<T>, R>[]): R;\n pipe<R>(...operations: OperatorFunction<T, R>[]): IterableX<R>;\n pipe<R extends NodeJS.WritableStream>(writable: R, options?: { end?: boolean }): R;\n pipe<R>(...args: any[]) {\n let i = -1;\n const n = args.length;\n let acc: any = this;\n while (++i < n) {\n acc = args[i](asIterable(acc));\n }\n return acc;\n }\n}\n\n(<any>IterableX.prototype)[Symbol.toStringTag] = 'IterableX';\n\nObject.defineProperty(IterableX, Symbol.hasInstance, {\n writable: true,\n configurable: true,\n value(inst: any) {\n return !!(inst && inst[Symbol.toStringTag] === 'IterableX');\n },\n});\n\n_initializeFrom(IterableX);\n\ntype WritableOrOperatorFunction<T, R> =\n | NodeJS.WritableStream\n | NodeJS.ReadWriteStream\n | OperatorFunction<T, R>;\n\ndeclare module '../iterable/iterablex' {\n interface IterableX<T> extends Iterable<T> {\n pipe(): IterableX<T>;\n pipe<A>(op1: OperatorFunction<T, A>): IterableX<A>;\n pipe<A, B>(op1: OperatorFunction<T, A>, op2: OperatorFunction<A, B>): IterableX<B>;\n pipe<A, B, C>(\n op1: OperatorFunction<T, A>,\n op2: OperatorFunction<A, B>,\n op3: OperatorFunction<B, C>\n ): IterableX<C>;\n pipe<A, B, C, D>(\n op1: OperatorFunction<T, A>,\n op2: OperatorFunction<A, B>,\n op3: OperatorFunction<B, C>,\n op4: OperatorFunction<C, D>\n ): IterableX<D>;\n pipe<A, B, C, D, E>(\n op1: OperatorFunction<T, A>,\n op2: OperatorFunction<A, B>,\n op3: OperatorFunction<B, C>,\n op4: OperatorFunction<C, D>,\n op5: OperatorFunction<D, E>\n ): IterableX<E>;\n pipe<A, B, C, D, E, F>(\n op1: OperatorFunction<T, A>,\n op2: OperatorFunction<A, B>,\n op3: OperatorFunction<B, C>,\n op4: OperatorFunction<C, D>,\n op5: OperatorFunction<D, E>,\n op6: OperatorFunction<E, F>\n ): IterableX<F>;\n pipe<A, B, C, D, E, F, G>(\n op1: OperatorFunction<T, A>,\n op2: OperatorFunction<A, B>,\n op3: OperatorFunction<B, C>,\n op4: OperatorFunction<C, D>,\n op5: OperatorFunction<D, E>,\n op6: OperatorFunction<E, F>,\n op7: OperatorFunction<F, G>\n ): IterableX<G>;\n pipe<A, B, C, D, E, F, G, H>(\n op1: OperatorFunction<T, A>,\n op2: OperatorFunction<A, B>,\n op3: OperatorFunction<B, C>,\n op4: OperatorFunction<C, D>,\n op5: OperatorFunction<D, E>,\n op6: OperatorFunction<E, F>,\n op7: OperatorFunction<F, G>,\n op8: OperatorFunction<G, H>\n ): IterableX<H>;\n pipe<A, B, C, D, E, F, G, H, I>(\n op1: OperatorFunction<T, A>,\n op2: OperatorFunction<A, B>,\n op3: OperatorFunction<B, C>,\n op4: OperatorFunction<C, D>,\n op5: OperatorFunction<D, E>,\n op6: OperatorFunction<E, F>,\n op7: OperatorFunction<F, G>,\n op8: OperatorFunction<G, H>,\n op9: OperatorFunction<H, I>\n ): IterableX<I>;\n pipe<R>(...operations: OperatorFunction<T, R>[]): IterableX<R>;\n pipe<A extends NodeJS.WritableStream>(op1: A, options?: { end?: boolean }): A;\n }\n}\n\ntry {\n ((isBrowser) => {\n if (isBrowser) {\n return;\n }\n\n IterableX.prototype['pipe'] = nodePipe;\n const readableOpts = (x: any, opts = x._writableState || { objectMode: true }) => opts;\n\n function nodePipe<T>(this: IterableX<T>, ...args: any[]) {\n let i = -1;\n let end: boolean;\n const n = args.length;\n let prev: any = this;\n let next: WritableOrOperatorFunction<T, any>;\n while (++i < n) {\n next = args[i];\n if (typeof next === 'function') {\n prev = next(asIterable(prev));\n } else if (isWritableNodeStream(next)) {\n ({ end = true } = args[i + 1] || {});\n // prettier-ignore\n return isReadableNodeStream(prev) ? prev.pipe(next, {end}) :\n asIterable(prev).toNodeStream(readableOpts(next)).pipe(next, {end});\n }\n }\n return prev;\n }\n })(typeof window === 'object' && typeof document === 'object' && document.nodeType === 9);\n} catch (e) {\n /* */\n}\n"]} |