"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.takeUntil = exports.takeUntil_ = void 0;
// ets_tracing: off
const A = __importStar(require("../../Collections/Immutable/Chunk"));
const Function_1 = require("../../Function");
const T = __importStar(require("../_internal/effect"));
const M = __importStar(require("../_internal/managed"));
const Ref = __importStar(require("../_internal/ref"));
const Pull = __importStar(require("../Pull"));
const definitions_1 = require("./definitions");
/**
 * Takes all elements of the stream until the specified predicate evaluates
 * to `true`.
 */
function takeUntil_(self, pred) {
    return new definitions_1.Stream((M.map_(M.let_(M.bind_(M.bind_(M.do, "chunks", () => self.proc), "keepTakingRef", () => T.toManaged(Ref.makeRef(true))), "pull", ({ chunks, keepTakingRef }) => {
        return T.chain_(keepTakingRef.get, (keepTaking) => {
            if (!keepTaking) {
                return Pull.end;
            }
            else {
                return (T.map_(T.let_(T.let_(T.bind_(T.do, "chunk", () => chunks), "taken", ({ chunk }) => A.takeWhile_(chunk, (0, Function_1.not)(pred))), "last", ({ chunk, taken }) => A.take_(A.drop_(chunk, A.size(taken)), 1)), ({ last, taken }) => A.concat_(taken, last)));
            }
        });
    }), ({ pull }) => pull)));
}
exports.takeUntil_ = takeUntil_;
/**
 * Takes all elements of the stream until the specified predicate evaluates
 * to `true`.
 */
function takeUntil(pred) {
    return (self) => takeUntil_(self, pred);
}
exports.takeUntil = takeUntil;
//# sourceMappingURL=takeUntil.js.map