File install-run.js has 344 lines of code (exceeds 250 allowed). Consider refactoring.

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"use strict";
// Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT license.
// See the @microsoft/rush package's LICENSE file for license information.
Object.defineProperty(exports, "__esModule", { value: true });
// THIS FILE WAS GENERATED BY A TOOL. ANY MANUAL MODIFICATIONS WILL GET OVERWRITTEN WHENEVER RUSH IS UPGRADED.

Function _copyAndTrimNpmrcFile has a Cognitive Complexity of 18 (exceeds 5 allowed). Consider refactoring.

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function _copyAndTrimNpmrcFile(sourceNpmrcPath, targetNpmrcPath) {
    console.log(`Copying ${sourceNpmrcPath} --> ${targetNpmrcPath}`); // Verbose
    let npmrcFileLines = fs.readFileSync(sourceNpmrcPath).toString().split('\n');
    npmrcFileLines = npmrcFileLines.map((line) => (line || '').trim());
    const resultLines = [];

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Function _resolvePackageVersion has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

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function _resolvePackageVersion(rushCommonFolder, { name, version }) {
    if (!version) {
        version = '*'; // If no version is specified, use the latest version
    }
    if (version.match(/^[a-zA-Z0-9\-\+\.]+$/)) {

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Function _copyAndTrimNpmrcFile has 28 lines of code (exceeds 25 allowed). Consider refactoring.

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function _copyAndTrimNpmrcFile(sourceNpmrcPath, targetNpmrcPath) {
    console.log(`Copying ${sourceNpmrcPath} --> ${targetNpmrcPath}`); // Verbose
    let npmrcFileLines = fs.readFileSync(sourceNpmrcPath).toString().split('\n');
    npmrcFileLines = npmrcFileLines.map((line) => (line || '').trim());
    const resultLines = [];

Function installAndRun has 28 lines of code (exceeds 25 allowed). Consider refactoring.

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function installAndRun(packageName, packageVersion, packageBinName, packageBinArgs) {
    const rushJsonFolder = findRushJsonFolder();
    const rushCommonFolder = path.join(rushJsonFolder, 'common');
    const rushTempFolder = _getRushTempFolder(rushCommonFolder);
    const packageInstallFolder = _ensureAndJoinPath(rushTempFolder, 'install-run', `${packageName}@${packageVersion}`);

Function findRushJsonFolder has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

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function findRushJsonFolder() {
    if (!_rushJsonFolder) {
        let basePath = __dirname;
        let tempPath = __dirname;
        do {

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Function getNpmPath has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

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function getNpmPath() {
    if (!_npmPath) {
        try {
            if (os.platform() === 'win32') {
                // We're on Windows

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Avoid deeply nested control flow statements.

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                    if (!process.env[environmentVariableName]) {
                        // No, so trim this line
                        lineShouldBeTrimmed = true;
                        break;
                    }