dependency-check

VAN QA: DEPENDENCY VERIFICATION

TL;DR: This component verifies that all required dependencies are installed and compatible with the project requirements.

1️⃣ DEPENDENCY VERIFICATION PROCESS

graph TD
    Start["Dependency Verification"] --> ReadDeps["Read Required Dependencies<br>from Creative Phase"]
    ReadDeps --> CheckInstalled["Check if Dependencies<br>are Installed"]
    CheckInstalled --> DepStatus{"All Dependencies<br>Installed?"}
    
    DepStatus -->|"Yes"| VerifyVersions["Verify Versions<br>and Compatibility"]
    DepStatus -->|"No"| InstallMissing["Install Missing<br>Dependencies"]
    InstallMissing --> VerifyVersions
    
    VerifyVersions --> VersionStatus{"Versions<br>Compatible?"}
    VersionStatus -->|"Yes"| DepSuccess["Dependencies Verified<br>✅ PASS"]
    VersionStatus -->|"No"| UpgradeVersions["Upgrade/Downgrade<br>as Needed"]
    UpgradeVersions --> RetryVerify["Retry Verification"]
    RetryVerify --> VersionStatus
    
    style Start fill:#4da6ff,stroke:#0066cc,color:white
    style DepSuccess fill:#10b981,stroke:#059669,color:white
    style DepStatus fill:#f6546a,stroke:#c30052,color:white
    style VersionStatus fill:#f6546a,stroke:#c30052,color:white

Windows (PowerShell) Implementation:

# Example: Verify Node.js dependencies for a React project
function Verify-Dependencies {
    $requiredDeps = @{ "node" = ">=14.0.0"; "npm" = ">=6.0.0" }
    $missingDeps = @(); $incompatibleDeps = @()
    
    # Check Node.js version
    try { 
        $nodeVersion = node -v
        if ($nodeVersion -match "v(\d+)\.(\d+)\.(\d+)") {
            $major = [int]$Matches[1]
            if ($major -lt 14) {
                $incompatibleDeps += "node (found $nodeVersion, required >=14.0.0)"
            }
        }
    } catch {
        $missingDeps += "node"
    }
    
    # Check npm version
    try { 
        $npmVersion = npm -v
        if ($npmVersion -match "(\d+)\.(\d+)\.(\d+)") {
            $major = [int]$Matches[1]
            if ($major -lt 6) {
                $incompatibleDeps += "npm (found $npmVersion, required >=6.0.0)"
            }
        }
    } catch {
        $missingDeps += "npm"
    }
    
    # Display results
    if ($missingDeps.Count -eq 0 -and $incompatibleDeps.Count -eq 0) {
        Write-Output "✅ All dependencies verified and compatible"
        return $true
    } else {
        if ($missingDeps.Count -gt 0) {
            Write-Output "❌ Missing dependencies: $($missingDeps -join ', ')"
        }
        if ($incompatibleDeps.Count -gt 0) {
            Write-Output "❌ Incompatible versions: $($incompatibleDeps -join ', ')"
        }
        return $false
    }
}