@react-frontend-developer/buffers/iife/buffers.js

Helper utilities for manipulating Buffers and TypedArrays

var buffers = (function (exports) {
    'use strict';

    class Buffers {
        static moveFromTypedArray(typedArray) {
            return Buffer.from(typedArray.buffer);
        }
        static copyFromTypedArray(typedArray) {
            return Buffer.from(typedArray);
        }
        static fromString(str, encoding = 'utf8') {
            return Buffer.from(str, encoding);
        }
        static toString(buffer, encoding = 'utf8') {
            return buffer.toString(encoding);
        }
        static copyToArrayBuffer(nodeBuffer) {
            return nodeBuffer.buffer.slice(nodeBuffer.byteOffset, nodeBuffer.byteOffset + nodeBuffer.byteLength);
        }
        static moveToArrayBuffer(nodeBuffer) {
            if (nodeBuffer.length === nodeBuffer.buffer.byteLength) {
                return nodeBuffer.buffer;
            }
            return Buffers.copyToArrayBuffer(nodeBuffer);
        }
        static copyToUint8Array(nodeBuffer) {
            return new Uint8Array(Buffers.copyToArrayBuffer(nodeBuffer));
        }
        static moveToUint8Array(nodeBuffer) {
            return new Uint8Array(Buffers.moveToArrayBuffer(nodeBuffer));
        }
    }

    class TypedArrays {
        static string2ab(str, encoding = 'utf8') {
            const buffer = Buffer.from(str, encoding);
            return Buffers.copyToArrayBuffer(buffer);
        }
        static ab2string(ab, encoding = 'utf8') {
            return Buffer.from(ab).toString(encoding);
        }
        static string2Uint8Array(str, encoding = 'utf8') {
            const buffer = Buffer.from(str, encoding);
            return Buffers.copyToUint8Array(buffer);
        }
        static uint8Array2string(arr, encoding = 'utf8') {
            return Buffer.from(arr).toString(encoding);
        }
    }

    exports.Buffers = Buffers;
    exports.TypedArrays = TypedArrays;

    Object.defineProperty(exports, '__esModule', { value: true });

    return exports;

})({});
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