function Application::getComposer

Return value

?Composer If $required is true then the return value is guaranteed

Throws

JsonValidationException

\InvalidArgumentException

2 calls to Application::getComposer()

Application::getPluginCommands in vendor/composer/composer/src/Composer/Console/Application.php

Application::hintCommonErrors in vendor/composer/composer/src/Composer/Console/Application.php

File

vendor/composer/composer/src/Composer/Console/Application.php, line 533

Class

Application

The console application that handles the commands

Namespace

Composer\Console

Code

public function getComposer(bool $required = true, ?bool $disablePlugins = null, ?bool $disableScripts = null) : ?Composer {
    if (null === $disablePlugins) {
        $disablePlugins = $this->disablePluginsByDefault;
    }
    if (null === $disableScripts) {
        $disableScripts = $this->disableScriptsByDefault;
    }
    if (null === $this->composer) {
        try {
            $this->composer = Factory::create(Platform::isInputCompletionProcess() ? new NullIO() : $this->io, null, $disablePlugins, $disableScripts);
        } catch (\InvalidArgumentException $e) {
            if ($required) {
                $this->io
                    ->writeError($e->getMessage());
                if ($this->areExceptionsCaught()) {
                    exit(1);
                }
                throw $e;
            }
        } catch (JsonValidationException $e) {
            if ($required) {
                throw $e;
            }
        } catch (RuntimeException $e) {
            if ($required) {
                throw $e;
            }
        }
    }
    return $this->composer;
}