How to retrieve a string in ReactIntl 2.0 without using FormattedMessage

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南笙
南笙 2021-01-02 03:29

Please correct me if I am wrong, FormattedMessage in ReactIntl returns a string wrapped by span tags. In ReactIntl 1.2, we have the option to use this.getIntlMessage(\

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  • 2021-01-02 03:57

    Ok, there is a work around for that. I can add ReactIntl as the context in the component like this:

    contextTypes: {
        intl: React.PropTypes.object.isRequired,
    },
    

    Then when trying to retrieve the string of the message and use it, for example in a placeholder, I can do this.

    <MyComponent ref="mycomponent" placeholder={this.context.intl.messages.placeholder}/>
    
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  • 2021-01-02 04:02

    I solved this problem using React render props.

    I created an npm package that implements it: http://g14n.info/react-intl-inject/

    It is a component like this

    import { injectIntl } from 'react-intl'
    
    export default function reactIntlInject ({ children, ...props }) {
      if (typeof children === 'function') {
        return (
          children(props)
        )
      } else {
        return null
      }
    }
    

    And you can use it to wrap the components that for example has props you want to translate, for example

    import React, { Component } from 'react'
    // Import the package I created, available on npm with MIT license....
    import InjectIntl from 'react-intl-inject'
    // ...or copy the code above in a file in your project and import it, somethong like
    // import InjectIntl from './path/to/my/render/prop/component'
    
    class MyComponent extends Component {
      render () {
        return (
          <InjectIntl>
            {({ intl }) => (
              <button
                type='submit'
                value={intl.formatMessage({ id: 'enter.submit' })}
              />
            )}
          </InjectIntl>
        )
      }
    }
    
    export default injectIntl(reactIntlInject)
    
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  • 2021-01-02 04:13

    There is a better to solve placeholder problem.

    <FormattedMessage ...messages.placeholderIntlText>
      {
         (msg) =>  <input type="text" placeholder = {msg} />
      }
    </FormattedMessage>
    
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  • 2021-01-02 04:15

    You can easily return string using intl object provided by react-intl.

    this is how you use intl object inside react class in much more easier way.

    note: Render Component (main component) should wrap with IntlProvider

    class MySubComponent extends React.Component{
      {/*....*/}
    
      render(){
        return(
         <div>
            <input type="text" placeholder = {this.context.intl.formatMessage({id:"your_id", defaultMessage: "your default message"})}
         </div>
    
        )
      }
       }
    MySubComponent.contextTypes ={
     intl:React.PropTypes.object.isRequired
    }
    

    By defining contextTypes it will enable you to use intl object which is a context type prop. See react context for more details.

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