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fellypsantos/setup-react-native-env.ps1

Created September 28, 2024 00:42
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  1. fellypsantos created this gist Sep 28, 2024.
    57 changes: 57 additions & 0 deletions setup-react-native-env.ps1
    View file
    Original file line number Diff line number Diff line change
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    # Function to set an environment variable if it doesn't exist
    function Set-EnvironmentVariableIfNotExists {
    param (
    [string]$name,
    [string]$value,
    [string]$target = "User" # By default, set for current user
    )

    # Check if the environment variable exists
    $currentValue = [System.Environment]::GetEnvironmentVariable($name, $target)

    if (-not $currentValue) {
    # If it doesn't exist, set the environment variable
    [System.Environment]::SetEnvironmentVariable($name, $value, $target)
    Write-Host "Environment variable '$name' set to '$value'"
    } else {
    Write-Host "Environment variable '$name' already exists with value: '$currentValue'"
    }
    }

    # Function to add a directory to the user's Path if it's not already there
    function Add-ToUserPath {
    param (
    [string]$newPath
    )

    # Get the current user's Path environment variable
    $currentPath = [System.Environment]::GetEnvironmentVariable("Path", "User")

    # Check if the path already exists in the Path variable
    if ($currentPath -notlike "*$newPath*") {
    # Append the new path
    $newPathValue = "$currentPath;$newPath"

    # Set the updated Path environment variable for the current user
    [System.Environment]::SetEnvironmentVariable("Path", $newPathValue, "User")

    # Display success message
    Write-Host "Added $newPath to the user's Path environment variable"
    } else {
    Write-Host "$newPath is already in the user's Path environment variable"
    }
    }

    # Set ANDROID_HOME
    $androidHome = "$env:LOCALAPPDATA\Android\Sdk"
    Set-EnvironmentVariableIfNotExists -name "ANDROID_HOME" -value $androidHome

    # Set JAVA_HOME (JDK bundled with Android Studio)
    $javaHome = "C:\Program Files\Android\Android Studio\jbr"
    Set-EnvironmentVariableIfNotExists -name "JAVA_HOME" -value $javaHome

    # Add platform-tools to the user's Path
    $platformToolsPath = "$env:LOCALAPPDATA\Android\Sdk\platform-tools"
    Add-ToUserPath -newPath $platformToolsPath

    Write-Host "React Native environment setup is complete."