psalm.xml

<?xml version="1.0"?>
<!--
    @see https://github.com/vimeo/psalm/wiki/Configuration

    use @psalm-suppress IssueName on a function's docblock to suppress Psalm issues e.g.

    /**
     * @psalm-suppress InvalidReturnType
     */
-->
<psalm
    name="Psalm config used for daikon-cqrs libs"
    useDocblockTypes="true"
    totallyTyped="false"
    allowFileIncludes="false"
    requireVoidReturnType="true"
    useAssertForType="false"
    rememberPropertyAssignmentsAfterCall="true"
>
    <projectFiles>
        <directory name="src" />
        <ignoreFiles>
            <directory name="vendor" />
        </ignoreFiles>
    </projectFiles>

    <issueHandlers>
        <LessSpecificReturnType errorLevel="info" />

        <!-- level 3 issues - slightly lazy code writing, but provably low false-negatives -->

        <DeprecatedMethod errorLevel="info" />

        <MissingClosureReturnType errorLevel="info" />
        <MissingReturnType errorLevel="error" />
        <MissingPropertyType errorLevel="error" />
        <InvalidDocblock errorLevel="error" />
        <MisplacedRequiredParam errorLevel="info" />

        <PropertyNotSetInConstructor errorLevel="info" />
        <MissingConstructor errorLevel="info" />

        <!-- level 4 issues - points to possible deficiencies in logic, higher false-positives -->

        <MoreSpecificReturnType errorLevel="info" />
        <TypeCoercion errorLevel="info" />

        <PossiblyNullArgument errorLevel="info" />
        <PossiblyNullArrayAccess errorLevel="info" />
        <PossiblyNullOperand errorLevel="info" />
        <PossiblyNullPropertyAssignment errorLevel="info" />
        <PossiblyNullPropertyFetch errorLevel="info" />
        <PossiblyNullReference errorLevel="info" />
        <PossiblyUndefinedVariable errorLevel="info" />

        <!-- level 5 issues - should be avoided at mosts costs... -->

        <ForbiddenCode errorLevel="info" />
        <ImplicitToStringCast errorLevel="info" />
        <InvalidScalarArgument errorLevel="info" />
        <InvalidToString errorLevel="info" />
        <MethodSignatureMismatch errorLevel="info" />
        <NoInterfaceProperties errorLevel="info" />
        <TooManyArguments errorLevel="info" />
        <TypeDoesNotContainType errorLevel="info" />
    </issueHandlers>
</psalm>