sequency/lib/none.js

Functional sequences for processing iterable data in JavaScript

Object.defineProperty(exports, "__esModule", { value: true });
exports.None = void 0;
var None = /** @class */ (function () {
    function None() {
    }
    /**
     * Returns `true` if no element match the given `predicate` or if the sequence is empty
     * if no predicate is present.
     *
     * @param {(value: T) => boolean} predicate
     * @returns {boolean}
     */
    None.prototype.none = function (predicate) {
        var _a, _b;
        if (predicate == null) {
            return (_b = (_a = this.iterator.next()) === null || _a === void 0 ? void 0 : _a.done) !== null && _b !== void 0 ? _b : false;
        }
        for (var item = this.iterator.next(); !item.done; item = this.iterator.next()) {
            if (predicate(item.value)) {
                return false;
            }
        }
        return true;
    };
    return None;
}());
exports.None = None;
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