Package Exports

fluent-react-components

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Readme

Fluent React Components

Basic fluent-react makes use of Localized components to wrap jsx components, like this:

export function NotAuthorized() {
  return (
    <div className='container'>
      <Localized id='NotAuthorized_oopsMessage'>
        <h1>
          {/* here is a comment for the localizer */}
          Oops! looks like you're not authorized to use this app.
        </h1>
      </Localized>
      <Localized
        id='NotAuthorized_warningImg'
        attrs={{alt: true}}
      >
        <img src={warningImg} alt="warning sign" />
      </Localized>
      <Localized
        id='NotAuthorized_possibleActions'
        link={<Link to='/' />}
        a={<a href='https://www.udacity.com' />}
        button={<button onClick={() => signOut()} />}
      >
        <p>
          {
            '<link>Try again</link>, go <a>Home</a> or <button>Logout</button>'
          }
        </p>
      </Localized>
    </div>
  );
}

This makes for a lot of Localized components on the page, and can make it hard to visually scan for specific HTML elements. This package comes with standard HTML elements already wrapped in Localized with their typical attrs enabled in the Loc component. This turns the above into:

import {Loc} from 'fluent-react-utils';

export function NotAuthorized() {
  return (
    <div className="container">
      <Loc.H1 l10nId="NotAuthorized_oopsMessage">
        {/* here is a comment for the localizer */}
        Oops! looks like you're not authorized to use this app.
      </Loc.H1>
      <Loc.Img
        l10nId="NotAuthorized_warningImg"
        alt="warning sign"
        src={warningImg}
      />
      <Loc.P
        l10nId="NotAuthorized_possibleActions"
        l10nJsx={{
          link: <Link to="/" />,
          a: <a href="https://www.udacity.com" />,
          button: <button onClick={signOut} />
        }}
      >
        {
          '<link>Try again</link>, go <a>Home</a> or <button>Logout</button>'
        }
      </Loc.P>
    </div>
  );
}

Props

In the Loc components you have access to three l10n props to describe how this message needs to be translated.

l10nId (Required)

The localization key for that message

l10nVars

This is a plain object with the message variables as keys. It's only used if the message has a variable to substitute.

<Loc.P
  l10nId="welcome"
  l10nVars={{name: 'Alice'}}
>
  {'Welcome, { $name }'}
</Loc.P>

l10nJsx

A plain object with the element alias as the key and a JSX component as the value. This is used for any components that are included inline in the message, with the alias used in HTML-like syntax to wrap the translated message.

<Loc.P
  l10nId="homeLink"
  l10nJsx={{
    link: <Link to="/" />
  }}
>
  {
    'Go <link>home</link>'
  }
</Loc.P>

Custom Loc Components

Your project may have components that would be great to include in the Loc object, but which are not standard HTML. Say you have a styled MyButton component, for example.

<Localized id="Button_click" attrs={{label: true}}>
  <MyButton
    label="click me!"
    onClick={handleClick}
  />
</Localized>

You can make use of two helpers from fluent-react-utils to quickly wrap a component in Localized and / or add it to the Loc object.

`makeLocalizedElement(Element[, attrs])`

const MyLocalizedButton = makeLocalizedElement(MyButton, {label: true})

MyLocalizedButton will now have access to the l10nId, l10nVars, and l10nJsx props.

`augmentLoc(customElements)`

In order for your custom elements to be recognized by the string extraction tool, they need to be prefixed by Loc. (or a custom name of your choice - see information about the .l10nrc file).

// my-utils
import {augmentLoc} from 'fluent-react-utils';

const customElements = {
  MyButton: MyLocalizedButton
};

export const Loc = augmentLoc(customElements);

// elsewhere

import {Loc} from 'my-utils';

...
<Loc.H1 l10nId="ButtonPage_title">
  Look, a button!
</Loc.H1>
<Loc.MyButton
  l10nId="ButtonPage_clickButton"
  label="click me!"
  onClick={handleClick}
/>