@fastly/esi/build/StreamerState.js

ESI implementation for JavaScript, using the modern fetch and streaming APIs.

/*
 * Copyright Fastly, Inc.
 * Licensed under the MIT license. See LICENSE file for details.
 */
export default class StreamerState {
    bufferedString;
    postponedString = undefined;
    constructor(initialValue) {
        this.bufferedString = initialValue ?? '';
    }
    applyPostponedXmlString() {
        if (this.postponedString != null) {
            this.bufferedString += this.postponedString;
            this.postponedString = undefined;
        }
    }
    append(str) {
        this.applyPostponedXmlString();
        this.bufferedString += str;
    }
}