"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.DomQueryOne = void 0;
const index_js_1 = require("../model/index.js");
class DomQueryOne extends index_js_1.Pipe {
    constructor() {
        super(...arguments);
        this.selector = '';
        this.optional = false;
    }
    async apply(inputSet, _ctx) {
        const selector = this.selector;
        const optional = this.optional;
        return await this.map(inputSet, el => el.queryOne(selector, optional));
    }
}
DomQueryOne.$type = 'DOM.queryOne';
DomQueryOne.$help = `
Returns Element node found by specified selector.
An error is thrown if multiple elements are found within each element.

### Use For

- selecting a unique Element on the page
- for each element in a set, selecting a unique sub-element

### See Also

- DOM.queryAll: for the equivalent pipe which allows multiple elements to be found by selector
`;
__decorate([
    index_js_1.params.Selector({
        showInHeader: true,
    }),
    __metadata("design:type", String)
], DomQueryOne.prototype, "selector", void 0);
__decorate([
    index_js_1.params.Boolean({
        help: 'Produce 0 elements instead of throwing an error when no elements are found.',
    }),
    __metadata("design:type", Boolean)
], DomQueryOne.prototype, "optional", void 0);
exports.DomQueryOne = DomQueryOne;
//# sourceMappingURL=DOM.queryOne.js.map