"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.MaxSizeStringBuilder = void 0;
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License
 * 2.0 and the Server Side Public License, v 1; you may not use this file except
 * in compliance with, at your election, the Elastic License 2.0 or the Server
 * Side Public License, v 1.
 */

class MaxSizeStringBuilder {
  constructor(stream, maxSizeBytes, bom = '') {
    (0, _defineProperty2.default)(this, "size", 0);
    (0, _defineProperty2.default)(this, "pristine", true);
    this.stream = stream;
    this.maxSizeBytes = maxSizeBytes;
    this.bom = bom;
  }
  tryAppend(chunk) {
    const byteLength = Buffer.byteLength(chunk);
    if (this.size + byteLength > this.maxSizeBytes) {
      return false;
    }
    if (this.pristine) {
      this.stream.write(this.bom);
      this.pristine = false;
    }
    this.stream.write(chunk);
    this.size += byteLength;
    return true;
  }
  getSizeInBytes() {
    return this.size;
  }
}
exports.MaxSizeStringBuilder = MaxSizeStringBuilder;