iteragain/dist/cjs/internal/FilterMapIterator.js

Javascript Iterable/Iterator/Generator-function utilities.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.FilterMapIterator = void 0;
/** Maps the input iterator to a new value of type `R` and filters out any values that are nullish. */
class FilterMapIterator {
    constructor(iterator, iteratee) {
        this.iterator = iterator;
        this.iteratee = iteratee;
    }
    [Symbol.iterator]() {
        return this;
    }
    next(...args) {
        const next = this.iterator.next(...args);
        if (next.done)
            return { value: undefined, done: true };
        const value = this.iteratee(next.value);
        if (value === null || value === undefined)
            return this.next(...args);
        return { value: value, done: false };
    }
}
exports.FilterMapIterator = FilterMapIterator;
exports.default = FilterMapIterator;
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