iteragain/dist/cjs/internal/ResumeIterator.js

Javascript Iterable/Iterator/Generator-function utilities.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.ResumeIterator = void 0;
const toIterator_1 = require("../toIterator");
/**
 * Continues iterating through the input `iterator` a certain number of times. When the input iterator is done it
 * returns `{ done: true, value: undefined }` first before resuming back to the beginning again.
 */
class ResumeIterator {
    constructor(iterator, times) {
        this.iterator = iterator;
        this.times = times;
        this.values = [];
    }
    [Symbol.iterator]() {
        return this;
    }
    next(...args) {
        const next = this.iterator.next(...args);
        if (next.done && this.times-- > 0) {
            this.iterator = (0, toIterator_1.default)(this.values.splice(0, this.values.length));
            return next;
        }
        this.values.push(next.value);
        return next;
    }
}
exports.ResumeIterator = ResumeIterator;
exports.default = ResumeIterator;
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