PNPM相关问题

In the pnpm environment, you can utilize functionality similar to npm's npx command. npx is a tool provided by npm that allows users to run packages that are not globally installed. pnpm has a similar command called pnpx, but starting from pnpm version 6, pnpx is marked as deprecated, and it is recommended to use pnpm dlx directly.The pnpm dlx command functions similarly to npx, allowing you to execute an npm package that is not installed locally. This enables you to run a command temporarily without adding it to the project's dependencies. For example, if you want to run create-react-app to initialize a new React project, you can use the following command:This command will temporarily install create-react-app and immediately create a new React application in the my-app directory without adding create-react-app as a global or project dependency.One benefit of using pnpm dlx is that it leverages pnpm's storage mechanism, even for temporary installations, effectively saving disk space and speeding up subsequent executions.

When you need to switch back from using to , you can achieve this by following these steps:1. Clean up existing dependencies and lock filesSince pnpm uses the file while npm uses the file, you first need to prune the existing dependencies and remove the lock files. Execute in the project root directory:2. Initialize npm lock files and node modulesNext, install dependencies using npm, which will create the directory and file.This command installs dependencies based on the dependencies specified in and creates a new lock file.3. Verify the projectAfter installing dependencies, ensure the application or project runs correctly:Or run the project to ensure all functionalities work correctly:4. Commit changes to the version control systemIf you are using version control (e.g., git), remember to commit changes. This includes the deleted and newly added , as well as possible updates to :ExampleSuppose you previously used pnpm to manage a Node.js project, and now due to certain compatibility or team policy reasons, you need to switch back to npm. Follow the steps above: first prune the pnpm lock files and node modules, then use to recreate the npm lock file and download dependencies. After completing these steps, run tests in the project to ensure everything functions correctly, and finally commit these changes to the version control system.This process ensures a smooth transition from pnpm to npm while maintaining project stability and dependency consistency.

When working with Node.js projects, is a highly effective package manager that saves disk space by using hard links and symbolic links while maintaining isolation between dependencies. Installing different versions of the same dependency within a single project is a common requirement, especially when dealing with dependency conflicts or conducting multi-version testing.However, if you need to install multiple versions of the same library within a single project, you can leverage 's feature.Using Aliases to Install Different Versions of the Same DependencySuppose you need to use two different versions of in your project, such as and . You can set aliases for these versions during installation to enable simultaneous usage without conflicts. Here is an example of how to do it:In this example, and are the aliases you set, which allow you to reference the corresponding versions of in your code:This approach maintains the independence of different library versions, making it straightforward to use multiple versions within a single project.SummaryBy using 's feature, you can flexibly manage and utilize multiple different versions of the same package within a single project, which is highly valuable for large-scale projects and complex dependency management. Additionally, 's approach helps developers effectively control dependencies, ensuring the correct versions are used appropriately to avoid potential conflicts and errors.

Migrating from Lerna to pnpm involves restructuring project management, optimizing dependency management, and improving workflow efficiency. The following is a detailed and well-organized migration process, illustrated with a specific example.Step 1: Assess the Existing Lerna Project StructureBefore initiating the migration, conduct a comprehensive assessment of the current Lerna-based project. This includes understanding dependencies between all packages, the build workflow, and the release process.Example:Assume we have a monorepo managed by Lerna containing three packages: , , and . Both and depend on .Step 2: Install and Configure pnpmAfter confirming the project structure and dependencies, install pnpm. pnpm can be installed using npm:Next, to use pnpm within the monorepo, create a file to define workspace settings.Example:Create in the project root with the following content:Step 3: Migrate Dependency Management for Each PackageMigrate dependency management from Lerna to pnpm for each package's . This involves using pnpm commands to install dependencies and ensuring all internal dependencies are correctly configured using pnpm's workspace linking.Example:For , if it depends on , specify the dependency in 's using pnpm syntax:Step 4: Adjust CI/CD ScriptsDuring migration, update CI/CD scripts to use pnpm commands and configurations. This may involve modifying build scripts, test scripts, and deployment scripts.Example:In the CI configuration file, replace npm or yarn commands with pnpm commands:Step 5: Validate and Test the MigrationAfter completing the above steps, conduct comprehensive testing to ensure all packages can correctly install dependencies, build, and run. This may include unit tests, integration tests, and end-to-end tests.Example:Run pnpm commands to verify successful installation and build:Step 6: Cleanup and Optimization After MigrationAfter migration, perform cleanup tasks such as removing unnecessary Lerna configuration files and optimizing new pnpm configurations.By following these steps, you can successfully migrate from Lerna to pnpm, enhancing dependency management efficiency and optimizing the entire project's build and release process. This example should help you understand the specific steps and considerations involved in the migration.

When managing dependencies in a PNPM workspace, following several steps can ensure effective and consistent dependency management. Below are specific strategies I've employed in past projects:1. Define Workspace StructureFirst, ensure that the file is correctly configured to clearly define the locations of packages within the workspace. For example:This helps PNPM understand the relationships between different packages, enabling more efficient dependency management.2. Use to Add DependenciesWhen adding dependencies to a specific package within the workspace, use the command. For inter-package dependencies (where one package in the workspace depends on another), PNPM handles internal links to ensure accurate dependency relationships.3. Leverage PNPM's Filter FeaturePNPM enables the use of filters to run specific commands on particular packages or groups of packages. For instance, to update dependencies for a specific package, use:This allows granular control over dependency updates, reducing potential conflicts or errors.4. Maintain Regular Dependency Updates and ReviewsRegularly run to keep dependencies of all packages up to date. Additionally, review dependency changes through the code review process to ensure no unnecessary or risky dependencies are introduced.5. Use to Resolve Dependency ConflictsWhen encountering dependency conflicts due to multiple versions of a package, use to force specify a particular version in . For example:This ensures all packages in the workspace use the same version of , avoiding version conflicts.6. Leverage CI/CD for Dependency ChecksIntegrate continuous integration (CI) pipelines to check the security and compatibility of dependencies. For example, include steps in the CI pipeline to run and verify that all dependencies are correctly installed according to the file.By implementing these methods, I successfully managed complex dependencies in PNPM workspaces in past projects, ensuring project stability and maintainability. The adoption of this strategy not only reduces dependency-related issues but also enhances development efficiency and project quality.

Before explaining the differences between pnpm-create, pnpx, and dlx, we need to first understand the basic purposes and functionalities of each tool.pnpm-createpnpm-create is a tool for quickly initiating new projects, especially those with pre-defined templates. It works similarly to and . When you want to quickly create a new project based on a specific template, pnpm-create automates the download of the template and sets up the project. For example, to create a new React application, you can use the command, which downloads the template and configures a new React project in the directory.pnpxpnpx is a utility provided by pnpm that executes packages without requiring global installation. It functions similarly to npx (a tool from npm). Its purpose is to allow users to temporarily install and run an npm package without permanently adding it to the global or local project. For instance, to run an executable like without permanent installation, you can use to execute the initialization script.dlxdlx is a utility provided by yarn that serves a similar purpose to pnpx, enabling the execution of packages without permanent installation. It offers a safe and temporary way to run programs or scripts that may only need to execute once. For example, to quickly create a new Next.js application using without permanent installation, you can run .In summary, although these three tools share some overlapping functionalities, their key distinctions are:focuses primarily on rapidly creating new projects based on templates.and both enable temporary installation and execution of npm packages, but they belong to the pnpm and yarn ecosystems respectively.is designed for pnpm users, while is intended for yarn users.

pnpx is actually a command provided by the npm package manager, used to execute executable files from npm packages. pnpx is designed to help developers run packages on a one-off basis without global installation. From npm@5.2.0 onwards, npx is automatically installed with npm, so it is usually unnecessary to install pnpx separately.Installation Steps:Install Node.js and npm:First, ensure that Node.js and npm are installed on your system. Since npx is bundled with npm, confirm Node.js installation first. You can download and install Node.js from the official website nodejs.org, which includes npm automatically.Verify Installation:After installation, verify that Node.js and npm are correctly installed by running the following commands in the terminal:Use npx (i.e., pnpx):Once npm is confirmed installed, you can directly use the npx command to run any npm package. For example, to run the create-react-app package, use:This command will temporarily download and run create-react-app, creating a new project named my-app.Example:Suppose you need to use the TypeScript compiler tsc to compile TypeScript files in a project without globally installing TypeScript. You can use the following command:This will temporarily install the TypeScript package (if not cached) and then run the tsc command to compile myfile.ts.Summary:Overall, pnpx (which is npx) is a very useful tool in npm, as it avoids the need for global package installation and allows quick execution of packages when needed, making it ideal for one-off tasks or switching between multiple package versions.

Running watch scripts in a pnpm workspace typically involves monitoring changes to files across multiple packages and executing specific tasks, such as recompiling code or running tests. pnpm is a package manager particularly well-suited for monorepo project structures, which contain multiple interdependent packages.To set up watch scripts in a pnpm workspace, follow these steps:Setting up watch scripts within individual packages:First, ensure each package's includes a watch script. For example, if you're using TypeScript, you might want to automatically compile your source code when changes occur. You can use the watch mode of the command:Using pnpm's or flag:To run watch scripts across the entire workspace, use pnpm's or flag to execute commands recursively. For example:Leveraging the configuration file:pnpm allows you to define workspace packages in the file. Place this file in the workspace root and configure it correctly so pnpm recognizes which packages belong to the workspace.Running scripts in parallel or sequentially:You might want to run watch scripts in parallel or sequentially. pnpm handles scripts as follows:Parallel (default): To run all watch scripts simultaneously, omit the flag, as this is the default behavior of .Sequential: To run watch scripts one after another, use the flag:Handling output:When running multiple watch scripts, log output can become extensive. pnpm provides the flag to limit which packages execute the command, helping you manage output more effectively. For example, to run the watch script for a specific package:Using third-party tools:For advanced watch functionality, such as triggering recompilation only when dependencies change, consider third-party tools like or , which offer more sophisticated workspace management capabilities.Example:Suppose you have a workspace with two packages: and , where depends on . If you modify , you might want to automatically recompile. Set up a watch script in 's that monitors changes to and triggers recompilation::Here, is a hypothetical command. In practice, you'll need a tool that can monitor file changes, such as .By following these steps and considering these factors, you can effectively run watch scripts in a pnpm workspace.

PNPM is an efficient package manager that saves disk space and accelerates dependency installation by utilizing hard links and symbolic links. By default, PNPM sets the global directory within a subdirectory of the user's home directory. However, users may need to change this location for reasons such as disk space constraints or multi-user sharing requirements.To modify PNPM's global directory, set the environment variable . Here are the specific steps:Find the Current Global Directory:Before making changes, run the following command to locate the current global directory path:Set the Environment Variable:Configure in your shell configuration file (e.g., , , or other relevant files) to point to the new directory. For example:Apply the Changes:After updating the configuration file, reload it or restart your terminal to apply the changes. Reload the configuration file using:Verify the Change:After setting the environment variable, running again will display the new global directory path.This successfully modifies PNPM's global directory location, enabling better disk resource management and customizable configuration based on specific needs.

In a repository managed by for dependency management, the recommended practice is to continue using for installing, updating, or removing packages to ensure consistency and efficiency. operates similarly to but manages node modules via hard linking, which enhances efficiency and reduces disk space consumption.However, if you need to use in such a repository under certain circumstances, follow these steps:Step 1: Verify and Lock FilesFirst, ensure that the file does not include pnpm-specific features such as workspaces, as they may not be supported by npm. Additionally, due to the incompatibility between and , you might need to regenerate the lock file.Step 2: Generate Lock FileIn the project root directory, run the following command to remove the pnpm lock file and , then reinstall dependencies with npm to generate the correct :This will create a new file and directory, installing and locking dependencies according to npm's method.Step 3: Perform Regular OperationsAt this point, you can use commands to manage dependencies, such as installing new packages or updating existing ones:Important ConsiderationsDependency Consistency: Switching package managers may lead to dependency inconsistencies, especially in team projects. It is recommended to standardize on a single package manager within the team.Ongoing Maintenance: If you decide to switch to , clearly document this in the project documentation to avoid future confusion between the two tools.Performance Implications: saves disk space and speeds up installations through hard linking, whereas may not offer these benefits.ExampleSuppose you encounter a bug in a pnpm-based project that requires temporarily switching to to test if it is caused by pnpm's behavior. Following the above steps, you can safely switch to , perform testing and development, and ultimately determine the root cause.In summary, while it is possible to use in a pnpm-based project, it may introduce complexity and risks in dependency management. Unless absolutely necessary, it is advisable to continue using the original package manager.

Managing React Native Monorepo projects with PNPM offers significant advantages, primarily due to its efficient dependency management and disk space optimization. Below are the steps and best practices for using PNPM to manage React Native Monorepo projects:Step 1: Create the Monorepo StructureInitialize the Monorepo - First, establish a repository to host all projects. Initialize your repository using :Configure PNPM Workspaces - Update the file to define workspaces:This configuration instructs PNPM that every folder within the directory is a distinct package.Step 2: Set Up React Native ProjectsCreate a React Native Project - Generate a new React Native project under the directory:Configure Workspace Integration - Adjust React Native settings as needed, such as configuring the Metro bundler to resolve modules across the monorepo structure.Step 3: Add Shared Libraries or ComponentsCreate Shared Components - Develop additional packages in , for example, a shared UI library:Install Dependencies - Add required dependencies:Reference Shared Components - Import these shared components into your React Native application.Step 4: Dependency ManagementInstall Dependencies - Execute:This command installs all necessary dependencies based on each package's .Handle Cross-Package Dependencies - When a package depends on modules from another package, ensure dependencies are correctly declared in and use to reference local packages.Step 5: Maintenance and OptimizationOptimize Storage - PNPM minimizes redundant dependencies through hard links and symbolic links, reducing disk usage in monorepo structures.Improve Performance - Properly configure Metro bundler and Babel to avoid build and runtime bottlenecks.Implement CI/CD - Integrate continuous integration and deployment pipelines to automate testing, building, and deployment processes.Real-World ExampleIn a previous project, we used PNPM to manage three React Native applications and two shared libraries within a monorepo. By configuring and for Metro bundler, we ensured correct resolution of monorepo dependencies. This approach streamlined our development workflow, enhanced code reusability, and improved maintainability. Ultimately, PNPM enabled efficient dependency management, faster build times, and a clearer, more modular project structure.

First, thank you for your question. Utilizing pnpm (a fast and efficient package manager) within the Azure DevOps environment can enhance the speed and efficiency of dependency installation, particularly for large-scale projects. The following steps outline how to configure and use pnpm on Azure Pipelines.Step 1: Ensure Node.js is installed in the pipeline environmentVerify that Node.js is installed in the pipeline environment. This can be achieved by using the official Node.js tool installation task in the YAML configuration file. For example:Step 2: Install pnpmAfter installing Node.js, the next step is to install pnpm within the pipeline. This can be done by running the following command:Step 3: Use pnpm to install dependenciesOnce pnpm is installed, you can proceed to install the project dependencies using pnpm.Step 4: Build and test the projectAfter installing the dependencies, you can continue with building and testing the project. This can be accomplished by executing project-specific build scripts or frameworks. For instance, if using Angular:Example: Complete YAML Configuration for Integrating pnpm into Azure PipelinesCombining the above steps, here is a complete example demonstrating how to integrate pnpm into an Azure Pipeline:ConclusionBy following these steps, you can successfully use pnpm within Azure DevOps pipelines to manage and install dependencies for Node.js projects. This not only speeds up the installation process but also enhances project stability and maintainability through pnpm's strict dependency management.

Configuring warnings or errors during is typically done to comply with certain project standards or ensure security and stability. Here are several methods to achieve this:1. Using the ScriptIn , you can add a script using the field. This script runs before is executed. You can add check logic to this script that throws errors or warnings if specific conditions are not met.For example, to ensure the npm version is at least a certain version, you can set it as follows:This script uses the library to compare version numbers and terminates the installation process if the version is too low.2. Using the FieldThe field in specifies the required Node.js and npm versions for the project. If the user's version does not meet the requirements, npm will emit a warning.By default, this method only emits warnings and does not prevent installation. If you want to block installation when the version does not match, you can add the option to the installation command:3. Using a Custom npm Package Check ToolIf your requirements are more complex, such as needing to decide whether to emit warnings or errors based on specific package versions, you can write a small Node.js script or tool to analyze the or directory and throw errors when issues are found.This script can be called within the script or run manually as a separate step before dependency installation.SummaryBy using these methods, we can control the behavior of at different stages and levels to ensure the project's dependency environment meets our expectations and requirements. This can effectively avoid potential runtime issues or security problems.

When using pnpm for package management, one of its core features is using symlinks to link modules that are reused across different projects, saving disk space and improving efficiency. However, sometimes we may not want certain specific packages to be installed via symlinks, for example, to avoid version conflicts with specific packages or compatibility issues.To exclude specific packages installed via symlinks in pnpm, you can use the following methods:1. Usingis a file that allows you to customize installation behavior. By writing appropriate hooks in this file, you can modify the resolution or installation behavior of specific packages.For example, if you do not want the package named to be installed via symlinks, you can add the following code to :In this example, when installing , we override its default installation method by directly specifying a tarball URL. This way, will download and extract the tarball directly instead of creating a symlink.2. Using Configuration OptionsAlthough pnpm's official support for directly configuring the exclusion of certain packages from symlink installation may not be as straightforward as with npm or yarn, you can indirectly achieve this through strategic dependency management. For example, placing certain packages in different workspaces or using the feature (though this is a Yarn Workspaces feature, it is sometimes used in pnpm with similar concepts).SummaryBy using the above methods, you can effectively control which packages should be installed via symlinks and which should be handled differently. This can help resolve specific dependency conflicts or meet particular project requirements. In practice, you may need to adjust the configuration based on your specific situation to achieve the best results.

PNPM (Performant NPM) is an efficient package manager that uses a unique approach to install and manage dependencies in Node.js projects, addressing common issues that arise when using NPM and Yarn, such as redundant downloads of the same package and lock file conflicts.Lock file conflicts typically occur when multiple developers work on the same project and modify dependencies simultaneously. In traditional NPM or Yarn, if two developers add different dependencies and update the package-lock.json or yarn.lock files, conflicts may arise when they attempt to merge their code.PNPM resolves lock file conflicts through the following methods:Precise Dependency Recording: PNPM uses the pnpm-lock.yaml file to record project dependencies. Compared to NPM and Yarn, PNPM's lock file records more precise dependency tree information, meaning it can more accurately reflect the project's dependency state, reducing conflicts caused by version mismatches.Branch Merging Strategy: In version control systems (such as Git), when merging two branches, if the pnpm-lock.yaml file has changes in both branches, the version control system can typically merge most changes reasonably. However, if conflicts cannot be automatically resolved, PNPM users can manually resolve them by:Selecting one pnpm-lock.yaml as the baseline, typically the version on the master/main branch.After merging the branches, run to regenerate the pnpm-lock.yaml file, ensuring all dependencies are up-to-date and consistent.Version Control System Integration: Some version control systems provide custom merge strategies for lock files. For example, Git allows users to configure custom merge strategies for specific file types (such as pnpm-lock.yaml). This can further reduce the likelihood of conflicts.Dependency Saving and Reuse: PNPM saves disk space by using hard links and symbolic links to store the same version of package content in a shared location. The benefits extend beyond disk space savings; it also reduces version conflicts because all projects reference the same version from the shared location.For example, if I add lodash@4.17.15 to Project A, and another developer adds the same version of lodash to Project B, PNPM ensures that both projects use the same copy of lodash from the shared storage, reducing potential dependency conflicts caused by each project installing a separate copy.In summary, PNPM effectively reduces lock file conflicts by precisely recording dependencies, providing smarter branch merging strategies, integrating with version control systems, and saving and reusing dependencies.

Using pnpm instead of npm in GitHub Actions involves the following steps:Set up the Node.js environment:In the GitHub Actions workflow, first use to configure the Node.js environment.Install pnpm:After setting up the Node.js environment, proceed to install .Run commands with pnpm:Once is installed, you can utilize it to install dependencies, execute scripts, and perform other tasks.Here is a basic example demonstrating how to use in GitHub Actions:This workflow file defines a CI workflow that triggers on pushes to the branch or pull requests targeting the branch. The workflow includes:Using to checkout the code.Configuring the Node.js environment with and specifying as the cache method.Installing .Using to install project dependencies.Finally, using to execute test scripts.This workflow runs across two Node.js versions—14.x and 16.x—to ensure cross-version compatibility.Note that starting with , GitHub Actions provides native support for caching , allowing you to leverage this feature by setting the option to accelerate subsequent workflow runs. Prior to this version, you would need to cache the store folder separately.

Using PNPM in a Dockerfile to install dependencies from GitHub involves multiple steps. I'll provide a detailed explanation of how to build a Dockerfile to achieve this. Assuming you already have a Node.js project and you want to use PNPM to install dependencies from GitHub.Step 1: Base ImageFirst, select an appropriate base image. For Node.js applications, the official image is a great starting point. Ensure you choose a tag that includes the required Node.js version.Step 2: Install PNPMNext, install PNPM in the Docker container. Since PNPM offers faster dependency installation speeds and better storage efficiency compared to npm.Step 3: Prepare Working DirectorySet the working directory in the container. This is where your application code is stored.Step 4: Copy Project FilesCopy your project files to the working directory. You can choose to copy the and files, or the entire project.Step 5: Install DependenciesUse PNPM to install dependencies. Note that if your includes dependencies pointing to GitHub, PNPM will automatically handle them.Step 6: Copy Remaining Project FilesAfter installing dependencies, copy the remaining project files to the container.Step 7: Define Container Startup CommandDefine the command to execute when the Docker container starts, such as launching your Node.js application.Complete Dockerfile ExampleCombining all the above steps, we obtain the complete Dockerfile:With this Dockerfile, you can use PNPM in the Docker container to install dependencies from GitHub and run your Node.js application.

When using GitLab CI/CD, pnpm (Performant npm) can be integrated into different stages to optimize the build and deployment processes. Below are the steps and examples for utilizing pnpm across various stages of GitLab CI:1. Setup Stage: Installing pnpmIn the GitLab CI configuration file , you can set up an initialization stage to install pnpm. Because pnpm efficiently manages dependencies and caching, it enhances the speed of subsequent steps.In this stage, we use the official Node image and globally install pnpm. Additionally, we configure caching to store the pnpm store, reducing download time for subsequent steps.2. Build Stage: Installing Dependencies and BuildingIn the build stage, we use pnpm to install all required dependencies and execute the build script.Additionally, we cache the directory to accelerate subsequent steps and configure the build artifacts for preservation.3. Test Stage: Running Tests with pnpmIn the test stage, we use pnpm to execute the test script.Here, in addition to installing dependencies and running tests, we generate test reports. Using the option within exports test results in JUnit format, facilitating visualization of test reports in GitLab CI.4. Deployment Stage: Deploying with pnpmFinally, in the deployment stage, pnpm can be used to execute the deployment script.During deployment, is used to install only production dependencies, which reduces the size of the deployment package and enhances deployment efficiency. Subsequently, executes the deployment process.By appropriately using pnpm in various stages of GitLab CI, it can significantly improve the efficiency and performance of the CI/CD pipeline.

pnpm is an efficient package manager that saves disk space by sharing the same package versions across multiple projects using hard links and symbolic links (symlinks). When you install a package with pnpm, it stores the package contents in a global storage directory and creates symbolic links to these global contents in your project's node_modules directory.Regarding globally installed packages, pnpm also supports this feature, but its approach differs from npm or yarn. In npm or yarn, globally installed packages are typically placed in a system-wide location, and executable files are added to the system's PATH via symbolic links. However, pnpm avoids global command pollution by employing a unique method: it installs global packages in a dedicated global directory, and creates symbolic links only when you explicitly add the executable files to the PATH.Here are the steps for using pnpm to install global packages and manage symbolic links in the global directory:Global Installation of PackagesInstall a package globally: This installs in pnpm's global storage directory and creates symbolic links to the executable files in pnpm's global bin directory.View global package location:To see where pnpm installs global packages, run: This tells you the global storage location and the global bin directory.Managing Global Symbolic LinksList globally installed packages: This lists all globally installed packages.Add global bin to PATH:You need to add pnpm's global bin directory to your PATH environment variable so you can run globally installed package executables directly from the command line. How to add depends on your OS and shell, but typically you add the following line to your shell configuration file (e.g., , , , or ): Then reload your shell configuration file, e.g., with .Remove global packages: This removes from the global storage and deletes the corresponding symbolic links.By doing this, pnpm efficiently manages global commands and packages, reducing disk space usage and simplifying version management.

To install an older version of pnpm, you typically need to follow these steps. First, verify that Node.js and npm are installed on your system, as pnpm is a package manager written in Node.js. Here are the detailed steps to install an older version of pnpm:Open the terminal or command prompt: This is where you execute commands.Check if Node.js and npm are installed: Verify that Node.js and npm are installed on your system, as pnpm depends on Node.js. You can check this by running:If not installed, install Node.js first; npm is typically installed alongside Node.js.Uninstall the current version of pnpm (if installed): If you have already installed other versions of pnpm, uninstall it first. Use the following command:Install a specific version of pnpm: Use npm to install a specific version of pnpm. Specify the desired version number. For example, to install version 5.5.12 of pnpm, use:Verify the installation: After installation, check if it was successful and confirm the installed version by running:If the returned version matches the target version you installed, it confirms successful installation of the older pnpm version.Example: Suppose the latest pnpm version is 6.0.0, but your project requires version 5.5.12. Following the above steps, uninstall the current version first, then install 5.5.12. This ensures compatibility between your project's dependencies and the pnpm version, avoiding dependency issues.Note that older software versions may contain unresolved security vulnerabilities or known issues. Weigh potential risks before installing an older version. Additionally, ensure you understand why a specific pnpm version is needed and whether it is compatible with your project or workflow.