@microsoft/connected-workbooks/dist/utils/arrayUtils.js

Microsoft backed, Excel advanced xlsx workbook generation JavaScript library

"use strict";
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT license.
Object.defineProperty(exports, "__esModule", { value: true });
exports.ArrayReader = void 0;
var ArrayReader = /** @class */ (function () {
    function ArrayReader(array) {
        this._array = array;
        this._position = 0;
    }
    ArrayReader.prototype.getInt32 = function () {
        var retVal = new DataView(this._array, this._position, 4).getInt32(0, true);
        this._position += 4;
        return retVal;
    };
    ArrayReader.prototype.getBytes = function (bytes) {
        var retVal = this._array.slice(this._position, bytes ? bytes + this._position : bytes);
        this._position += retVal.byteLength;
        return new Uint8Array(retVal);
    };
    ArrayReader.prototype.reset = function () {
        this._position = 0;
    };
    return ArrayReader;
}());
exports.ArrayReader = ArrayReader;
function getInt32Buffer(val) {
    var packageSizeBuffer = new ArrayBuffer(4);
    new DataView(packageSizeBuffer).setInt32(0, val, true);
    return new Uint8Array(packageSizeBuffer);
}
function concatArrays() {
    var args = [];
    for (var _i = 0; _i < arguments.length; _i++) {
        args[_i] = arguments[_i];
    }
    var size = 0;
    args.forEach(function (arr) { return (size += arr.byteLength); });
    var retVal = new Uint8Array(size);
    var position = 0;
    args.forEach(function (arr) {
        retVal.set(arr, position);
        position += arr.byteLength;
    });
    return retVal;
}
exports.default = {
    ArrayReader: ArrayReader,
    getInt32Buffer: getInt32Buffer,
    concatArrays: concatArrays,
};