"use strict";
/**
 * @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
 */
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.htmlRewritingStream = void 0;
const stream_1 = require("stream");
async function htmlRewritingStream(content) {
    const chunks = [];
    const rewriter = new (await Promise.resolve().then(() => __importStar(require('parse5-html-rewriting-stream')))).default();
    return {
        rewriter,
        transformedContent: new Promise((resolve) => {
            new stream_1.Readable({
                encoding: 'utf8',
                read() {
                    this.push(Buffer.from(content));
                    this.push(null);
                },
            })
                .pipe(rewriter)
                .pipe(new stream_1.Writable({
                write(chunk, encoding, callback) {
                    chunks.push(typeof chunk === 'string' ? Buffer.from(chunk, encoding) : chunk);
                    callback();
                },
                final(callback) {
                    callback();
                    resolve(Buffer.concat(chunks).toString());
                },
            }));
        }),
    };
}
exports.htmlRewritingStream = htmlRewritingStream;