Component definition is missing display name

The following is a reference for the JSON object definitions derived from the metaschema for this model. The OSCAL Component Definition Model can be used to describe the implementation of controls in a component or a set of components grouped as a capability.

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Component definition is missing display name

Often, a hook is going to need a value out of context. The useContext hook is really good for this, but it will often require a Provider to be wrapped around the component using the hook. We can use the wrapper option for renderHook to do just that. Let's change the useCounter example from the Basic Hooks section to get a step value from context and build a CounterStepProvider that allows us to set the value:. In our test, we simply use CounterStepProvider as the wrapper when rendering the hook:. The wrapper option will accept any React component, but it must render children in order for the test component to render and the hook to execute. Sometimes we need to test a hook with different context values. By using the initialProps option and the new props of rerender method, we can easily do this:. Note the initialProps and the new props of rerender are also accessed by the callback function of the renderHook which the wrapper is provided to. It can be very tempting to try to inline the wrapper variable into the renderHook line, and there is nothing technically wrong with doing that, but if you are using eslint and eslint-plugin-react , you will see a linting error that says:. If you feel strongly about not having a separate wrapper variable, you can disable the error for the test file by adding a special comment to the top of the file:. Similar techniques can be used to disable the error for just the specific line, or for the whole project, but please take the time to understand the impact that disabling linting rules will have on you, your team, and your project. Sometimes, a hook can trigger asynchronous updates that will not be immediately reflected in the result. The most basic async utility is called waitForNextUpdate.

The value of the href can be an internet resource, or a local reference using a fragment e. Remarks The short name of the protocol e.

The React dev tools are great and you should use them. The components tab of the React devtools displays the parent tree of components with their names. You can search for a component and view the values of its props and state, even other hooks too. For me, the React dev tools have largely supplanted the need to console. Anyway, there are two exceptions where the devtools are unable to infer a name of a component. The devtools need some help to be able to display a name for those, this is where the displayName property comes in 1.

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Already on GitHub? Sign in to your account. Hello eslint-plugin-react maintainers, your plugins has surely been of great help so far :.

Component definition is missing display name

This error occurs when you define a component without providing a display name. In this blog post, we will explore the reasons behind this error and discuss multiple solutions to fix it. The display name of a component is used for debugging purposes and is typically shown in error messages or React DevTools. It helps developers identify which component is causing an issue.

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This string should be assigned per-subject , which means it should be consistently used to identify the same system across revisions of the document. Add Own solution. Use multiple 'port-range' entries for non-contiguous ranges. The desc provides a short description of what the parameter is used for, which can be used in tooling to help a user understand how to use the parameter. The translator has been used. React Docs: forwardRef - Parameters. Properties 4 uuid uuid [0 or 1] Switch to XML. This HOC has the same functionality as the mutating version while avoiding the potential for clashes. Pleased to see you again Sign up to unlock all of IQCode features:. Package Sidebar Install npm i eslint-plugin-react. The wrapper option will accept any React component, but it must render children in order for the test component to render and the hook to execute. Main Concepts. Remarks A reference to the specific implemented statement associated with a control. In the new system,.

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This form may seem confusing or unnecessary, but it has a useful property. You can imagine that in a large app, this same pattern of subscribing to DataSource and calling setState will occur over and over again. If no value is provided, then it is expected that the value will be provided at the Profile or Implementation layer. Without this setting, only one value should be assumed to be permitted. This requirement allows for document creators to retroactively link an update to the original version, by providing a document-id on the new document that is equal to the uuid of the original document. Constraint 1 allowed values The value may be locally defined , or one of the following: interconnection : A connection to something outside this system. From v8. Provides a means to segment the value space for the name , so that different organizations and individuals can assert control over the allowed names and associated values used in a property. Configuring shared settings. Is this page useful? In our test, we simply use CounterStepProvider as the wrapper when rendering the hook:. The OSCAL Component Definition Model can be used to describe the implementation of controls in a component or a set of components grouped as a capability. Constraint 1 allowed value The value may be locally defined , or the following: reference : Reference. This element is optional, but it will always have a valid value, as if it is missing the value of "document-id" is assumed to be equal to the UUID of the root. A technical component is a component that is implemented in hardware physical or virtual or software.