"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.paginateChunk = void 0;
const O = __importStar(require("../../../../Option"));
const CH = __importStar(require("../../Channel"));
const C = __importStar(require("../core"));
/**
 * Like `unfoldChunk`, but allows the emission of values to end one step further than
 * the unfolding of the state. This is useful for embedding paginated APIs,
 * hence the name.
 */
function paginateChunk(s, f) {
    const loop = (s) => {
        const { tuple: [as, o] } = f(s);
        return O.fold_(o, () => CH.zipRight_(CH.write(as), CH.end(undefined)), (s) => CH.zipRight_(CH.write(as), loop(s)));
    };
    return new C.Stream(loop(s));
}
exports.paginateChunk = paginateChunk;
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