@cycle/dom/lib/es6/ElementFinder.js

The standard DOM Driver for Cycle.js, based on Snabbdom

import { ScopeChecker } from './ScopeChecker';
import { getSelectors } from './utils';
function toElArray(input) {
    return Array.prototype.slice.call(input);
}
var ElementFinder = /** @class */ (function () {
    function ElementFinder(namespace, isolateModule) {
        this.namespace = namespace;
        this.isolateModule = isolateModule;
    }
    ElementFinder.prototype.call = function () {
        var namespace = this.namespace;
        var selector = getSelectors(namespace);
        var scopeChecker = new ScopeChecker(namespace, this.isolateModule);
        var topNode = this.isolateModule.getElement(namespace.filter(function (n) { return n.type !== 'selector'; }));
        if (topNode === undefined) {
            return [];
        }
        if (selector === '') {
            return [topNode];
        }
        return toElArray(topNode.querySelectorAll(selector))
            .filter(scopeChecker.isDirectlyInScope, scopeChecker)
            .concat(topNode.matches(selector) ? [topNode] : []);
    };
    return ElementFinder;
}());
export { ElementFinder };
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