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import i18n, { I18N, translate } from 'i18n-calypso';
let defaultUntranslatedPlacehoder = translate( "I don't understand" );
// keep `defaultUntranslatedPlacehoder` in sync with i18n changes
i18n.subscribe( () => {
defaultUntranslatedPlacehoder = translate( "I don't understand" );
} );
function encodeUntranslatedString( originalString, placeholder = defaultUntranslatedPlacehoder ) {
let output = placeholder;
while ( output.length < originalString.length ) {
output += ' ' + placeholder;
}
return output.substr( 0, originalString.length );
}
let isActive = false;
let isInitialized = false;
export function toggleLanguageEmpathyMode( state ) {
isActive = typeof state === 'boolean' ? state : ! isActive;
if ( ! isInitialized && isActive ) {
initLanguageEmpathyMode();
}
i18n.reRenderTranslations();
}
export function getLanguageEmpathyModeActive() {
return isActive;
}
export function initLanguageEmpathyMode() {
const i18nEmpathy = new I18N();
const i18nEmpathyTranslate = i18nEmpathy.translate.bind( i18nEmpathy );
const i18nEmpathyRegisterHook = i18nEmpathy.registerTranslateHook.bind( i18nEmpathy );
const availableEmpathyTranslations = [ defaultUntranslatedPlacehoder ];
i18n.translateHooks.forEach( i18nEmpathyRegisterHook );
// wrap translations from i18n
i18n.registerTranslateHook( ( translation, options ) => {
const locale = i18n.getLocaleSlug();
if (
! isActive ||
locale === i18n.defaultLocaleSlug ||
availableEmpathyTranslations.includes( options.original )
) {
return translation;
}
if ( i18n.hasTranslation( options ) ) {
return i18nEmpathyTranslate( options );
}
return '👉 ' + encodeUntranslatedString( options.original );
} );
isInitialized = true;
isActive = true;
}
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