"use strict";
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.
Object.defineProperty(exports, "__esModule", { value: true });
const buffer_1 = require("./buffer");
const text_encoding_utf_8_1 = require("text-encoding-utf-8");
/** @ignore @suppress {missingRequire} */
const _Buffer = typeof Buffer === 'function' ? Buffer : null;
/** @ignore */
const useNativeEncoders = typeof TextDecoder === 'function' && typeof TextEncoder === 'function';
/** @ignore */
exports.decodeUtf8 = ((TextDecoder) => {
    if (useNativeEncoders || !_Buffer) {
        const decoder = new TextDecoder('utf-8');
        return (buffer) => decoder.decode(buffer);
    }
    return (input) => {
        const { buffer, byteOffset, length } = buffer_1.toUint8Array(input);
        return _Buffer.from(buffer, byteOffset, length).toString();
    };
})(typeof TextDecoder !== 'undefined' ? TextDecoder : text_encoding_utf_8_1.TextDecoder);
/** @ignore */
exports.encodeUtf8 = ((TextEncoder) => {
    if (useNativeEncoders || !_Buffer) {
        const encoder = new TextEncoder();
        return (value) => encoder.encode(value);
    }
    return (input = '') => buffer_1.toUint8Array(_Buffer.from(input, 'utf8'));
})(typeof TextEncoder !== 'undefined' ? TextEncoder : text_encoding_utf_8_1.TextEncoder);

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