src/Extensions/ExtensionManager.php
public function enable($name)
    {
        if (! $this->isEnabled($name)) {
            $extension = $this->getExtension($name);

            $enabled = $this->getEnabled();

            $enabled[] = $name;

            $this->migrate($extension);

            $this->publishAssets($extension);

            $this->setEnabled($enabled);

            $extension->setEnabled(true);
        }
    }
public function enable($name)
    {
        if (! $this->isEnabled($name)) {
            $extension = $this->getExtension($name);

            $enabled = $this->getEnabled();

            $enabled[] = $name;

            $this->migrate($extension);

            $this->publishAssets($extension);

            $this->setEnabled($enabled);

            $extension->setEnabled(true);
        }
    }
Enables the extension.

@param string $name