"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.IterableAccess = exports.MapAccess = void 0;
exports.isVisitor = isVisitor;
const utils_1 = require("../utils");
class MapAccess {
    nextEntry(kseed, vseed) {
        const key = this.nextKey(kseed);
        if (!key.done) {
            const value = this.nextValue(vseed);
            if (!value.done) {
                return utils_1.IterResult.Next([key.value, value.value]);
            }
        }
        return utils_1.IterResult.Done();
    }
    *generate(next) {
        let item;
        while ((item = next()) && !item.done) {
            yield item.value;
        }
    }
    keys(seed) {
        return this.generate(this.nextKey.bind(this, seed));
    }
    values(seed) {
        return this.generate(this.nextValue.bind(this, seed));
    }
    entries(kseed, vseed) {
        return this.generate(this.nextEntry.bind(this, kseed, vseed));
    }
    [Symbol.iterator]() {
        return this.entries();
    }
}
exports.MapAccess = MapAccess;
class IterableAccess {
    [Symbol.iterator]() {
        return {
            next: this.nextElement.bind(this)
        };
    }
}
exports.IterableAccess = IterableAccess;
const VisitorMethods = Object.freeze([
    'visitBoolean',
    'visitNumber',
    'visitBigInt',
    'visitString',
    'visitSymbol',
    'visitNull',
    'visitObject',
    'visitIterable'
]);
function isVisitor(visitor) {
    return VisitorMethods.every(method => method in visitor);
}