I'm writing a small Toolbar component in React. Here's how it should be used:  <Toolbar>     <ToolbarButtonSearch />     <ToolbarButtonFold /> </Toolbar>   or  <Toolbar>     <ToolbarButtonSearch /> </Too...
Here is a example for PropTypes:  import PropTypes from 'prop-types';  class Greeting extends React.Component {   render() {     return (       <h1>Hello, {this.props.name}</h1>     );   } }  Greeting.propTypes = {   name: PropTyp...
I'm using redux but when I run my code I have this error:     Accessing PropTypes via the main React package is deprecated. Use the   prop-types package from npm instead.   I install      npm i prop-types -S   but I I still have the same error....
I am trying to migrate from PropTypes to Flow type checking in my React components.  Please what is the equivalent of PropTypes.func in Flow, to specify that a prop is a Function ?  My code looks like this:  import * as React from 'react'  ty...
Because of code redundancy reasons, I put the PropTypes for my entities in separate files like:  import PropTypes from 'prop-types';  export const costCenterBookingPropTypes = PropTypes.shape({     errorState: PropTypes.bool,     costCenter:...
I have an array with this shape :   dataSource: PropTypes.arrayOf(         PropTypes.shape({           share: PropTypes.number,           visibleInLegend: PropTypes.bool,           order: PropTypes.number,           color: PropTypes.string         })...
How should check child function arguments proptype?  If we have wrapper component like:   const FirstInnerComponent = () => (<div>1</div>); const SecondInnerComponent = () => (<div>2</div>);  const WrapperOne = ({ childr...
I know that this has been asked-and-answered in What is the TypeScript equivalent of "PropTypes.oneOf" (restrict a variable to subset of values), but I have a case where I don't feel like the answer solves my issue yet.  I am working on c...
I am type-checking my components with prop-types, but even though I am getting the values properly in the right type, I still get the error message as following:     Warning: Failed prop type: The prop id is marked as required in   NewChannel, but it...
For my project, it's desirable to pass the null value in component props to indicate an unspecified value (a "known unknown", if you will). It's our team's convention to use null this way.  Via component propTypes definitions, I w...

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