Exploring the challenges of conditional rendering in React custom components

I'm having an issue with conditional rendering in a custom component in my React application. I've been working on creating a custom component for conditional rendering that only renders content when certain conditions are met. Here is my current code: importReactfrom'react';functionConditionalRende...

P粉301523298 2023-08-18 15:58:43 0  2  608

Shopware 6 Administration: Reading listFilterOptions() of SwProductList from Custom Plugin Component

Version Shopware6.4.20 My custom plugin imports a component by overriding SwProductDetail. The imported component requires the filterOptions of SwProductList. How can I read the list of SwProductList in the above component?

P粉615829742 2023-09-18 18:36:26 0  1  470

javascript - How to render custom components in vue

The code is as follows: cbutton is a custom component. In case 1, it is normal and there is no problem. In case 2, v-html can only render native components. In case 2, dynamic output is required. Does this situation need to be solved by using render? What about jsx? I have never used render. Functio...

phpcn_u1582 2017-06-28 09:28:58 0  1  922

Unable to display React Native Expo custom component

I'm a newbie and can't figure out why one of my custom components shows up but the other doesn't. Home screen: importReactfrom'react';import{View,Text}from'react-native';import{SafeAreaView}from'react-native-safe-area-context';import{ScrollView,TouchableOpacity}from'rea

P粉022723606 2023-08-13 09:58:33 0  1  603

Custom textbox on Antd Select component

I want to give the user the ability to add custom text if the choice they think is appropriate is not among the options shown in the "Select" option. I have successfully created a custom text field but getting the user input and setting it as the value of the select component is becoming a...

P粉790187507 2024-03-30 11:16:20 0  1  535

How to close nested modal in another custom component?

How to close a modal nested within another custom component? My modal is in another component. I have a problem passing state to parent component. You can see the parent and child components below. Parent component: constViewNote=({route,navigation})=>{const[visible,setVisible]=useState(false);fu...

P粉579008412 2023-09-11 15:50:11 0  2  579

Register global custom directives for cypress component testing in vue

Is there a way to register a global custom directive in vue.js for cypress component testing. Simply registering app.directive('some',(el,binding)=>{{...}) in the main.js file does not solve the problem. Because the directive could not be parsed in the component test component. Local registers li...

P粉529581199 2024-03-26 22:44:23 0  1  537

Vue 3 trick to wrap all items in custom components using render functions

I'm trying to build my own sortable component. I want to pass a list of items to it's default slot. The sortable component should then wrap all passed items with a custom v-draggable component. <v-sortablehandle=".handle"><template:key="index"v-for="(item,index)init...

P粉926174288 2023-12-27 21:49:07 0  2  595

Is there a seamless way to combine custom and native props in a REACT TS component wrapper?

I have several components that extend the native functionality of inputs, buttons, forms, etc., but I find it tedious to have to include every event handler and prop when the team needs it. I tried simply making the component prop type extend the native prop type and then using object propagation to...

P粉186897465 2024-03-30 17:01:40 0  1  515

React Native: Is it possible to have custom subviews in TextInput component?

I'm trying to create a TextInput component that has a custom view when typing someone's name. For example, if the name is John, it will search for that string and add a view that contains John's profile image and his name inline with the text. Currently, when I make the view a child component of the...

P粉553428780 2023-09-11 15:07:01 0  1  611

Correct way to make Vue custom checkbox component

How to create custom checkbox in Vue. When the checkbox changes, it should call the function. I got the error "Cannot read property 'id' of undefined" and the warning "An unhandled error occurred during execution of a native event handler" Custom checkbox: <template><div...

P粉135292805 2023-09-02 18:22:50 0  1  537

javascript - How to pass parameters to custom events in vue?

As shown in the code, the select method is defined and triggered in the child component and the type parameter is passed in. The child component is introduced in the parent component and the select event is listened to. The result is an error: "Property or method "type" is not defined...

阿神 2017-06-28 09:28:24 0  1  978

When using the <Tab/> component created by yourself, there is a problem with the "&.Mui-selected" state

I have created a custom <Tab/> and I want to control its selected color by using the following code: Sandbox demo code exportconstTab=styled(MuiTab)({"&.Mui-selected":{color:"red "}}); However, I found: 1. Directly apply the custom style component => the selected col...

P粉775788723 2023-09-20 19:56:31 0  1  581

javascript - How to make a custom function automatically execute when loading in vuejs

For example, if a method is defined in a component: {code...} How to make the changeIcon function execute automatically?

PHP中文网 2017-05-19 10:41:14 0  2  745

Undefined array index: username

Undefined array index: username

不枉 2019-08-12 16:31:32 0  4  2072

When the component is loaded, Vue's Provide and Inject are undefined.

Situation I'm trying to use Vue's options API for providing and injecting functionality so that the header.vue component can provide data to the container-nav.vue component (see Component Hierarchy). However, when data is injected, it is undefined on initial load. Current component hierarchy: header...

P粉377412096 2023-08-26 09:34:12 0  1  518

Android custom Launcher adds a custom widget and cannot update the widget interface

Android custom Launcher adds custom widgets and cannot update the widget interface. Custom widgets can be updated on the system launcher. System widgets such as clocks can be updated on the custom launcher. The AppWidgetProvider code is as follows: {code...} Custom launch...

某草草 2017-05-16 13:29:24 0  1  742

gvim - How to jump to the definition (declaration) of a custom function when editing a vimrc file in vim?

When editing a vimrc file in vim, what shortcut key can be pressed to jump from the place where a custom function (written by vimscript) is called to the place where the custom function is defined (declared)? Is there any shortcut key without installing a plug-in like ctags? Note, press K (i.e. shif...

为情所困 2017-05-16 16:36:16 0  1  835

Undefined array index: 1

In the left navigation bar course, an undefined array subscript: 1 problem occurs

P粉542303445 2023-10-31 10:00:52 0  0  678

Vue 3 custom checkbox component bound to array of selected values

I've been trying to create a simple component with a styled checkbox and corresponding label. The values ​​(strings) of all selected checkboxes should be stored in an array. This works for plain html checkboxes: <template><div><divclass="mt-6"><div><inputtype=&qu...

P粉561749334 2023-12-21 18:43:52 0  1  696