/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { DOCUMENT, ɵgetDOM as getDOM } from '@angular/common';
import { Inject, Injectable } from '@angular/core';
import { TestComponentRenderer } from '@angular/core/testing';
import * as i0 from "@angular/core";
/**
 * A DOM based implementation of the TestComponentRenderer.
 */
export class DOMTestComponentRenderer extends TestComponentRenderer {
    constructor(_doc) {
        super();
        this._doc = _doc;
    }
    insertRootElement(rootElId) {
        this.removeAllRootElements();
        const rootElement = getDOM().getDefaultDocument().createElement('div');
        rootElement.setAttribute('id', rootElId);
        this._doc.body.appendChild(rootElement);
    }
    removeAllRootElements() {
        // TODO(juliemr): can/should this be optional?
        const oldRoots = this._doc.querySelectorAll('[id^=root]');
        for (let i = 0; i < oldRoots.length; i++) {
            getDOM().remove(oldRoots[i]);
        }
    }
}
DOMTestComponentRenderer.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: DOMTestComponentRenderer, deps: [{ token: DOCUMENT }], target: i0.ɵɵFactoryTarget.Injectable });
DOMTestComponentRenderer.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: DOMTestComponentRenderer });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: DOMTestComponentRenderer, decorators: [{
            type: Injectable
        }], ctorParameters: function () { return [{ type: undefined, decorators: [{
                    type: Inject,
                    args: [DOCUMENT]
                }] }]; } });
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