iteragain/dist/cjs/internal/MapIterator.js

Javascript Iterable/Iterator/Generator-function utilities.

"use strict";
/* asyncify(AsyncMapIterator) */
/* ra(MapIterator, AsyncMapIterator) */
/* ra(IterableIterator, AsyncIterableIterator) */
/* ra(Symbol.iterator, Symbol.asyncIterator) */
/* ra('IteratorResult<R>', 'Promise<IteratorResult<R>>') */
/* ra(Iteratee, AsyncIteratee) */
/* ra(' Iterator', ' AsyncIterator') */
Object.defineProperty(exports, "__esModule", { value: true });
exports.MapIterator = void 0;
/** An iterator that takes an input Iterator<T> and maps it's values to the type `R`. */
class MapIterator {
    constructor(iterator, iteratee) {
        this.iterator = iterator;
        this.iteratee = iteratee;
    }
    [Symbol.iterator]() {
        return this;
    }
    /*i(async)*/ next(...args) {
        const { value, done } = /*i(await)*/ this.iterator.next(...args);
        if (done)
            return { done: true, value: undefined };
        return { value: /*i(await)*/ this.iteratee(value), done };
    }
}
exports.MapIterator = MapIterator;
exports.default = MapIterator;
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