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tmf / @doodle/i18n js
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Version:
5.0.0-rc.15 ▾
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<h1>
<a href="../index.html">All files</a> / <a href="index.html">src</a> express.js
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<span class='fraction'>0/44</span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">const fs = <span class="cstat-no" title="statement not covered" >require('fs');</span>
const path = <span class="cstat-no" title="statement not covered" >require('path');</span>
const acceptLanguageParser = <span class="cstat-no" title="statement not covered" >require('accept-language-parser');</span>
const { Router } = require('express');
const cookieParser = <span class="cstat-no" title="statement not covered" >require('cookie-parser');</span>
const defaultLocales = <span class="cstat-no" title="statement not covered" >require('./locales');</span>
const DEFAULT_LOCALE = <span class="cstat-no" title="statement not covered" >'en';</span>
const COOKIE_MAX_AGE = <span class="cstat-no" title="statement not covered" >13824000;</span>
/**
* Exports
*/
<span class="cstat-no" title="statement not covered" >module.exports = (<span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >() => <span class="fstat-no" title="function not covered" >(</span></span></span></span>
nodeModulesPath = path.resolve(__dirname, './node_modules'),
i18nPath = './i18n',
apiPrefix = '',
cookieDomain = null,
locales = defaultLocales
) => <span class="cstat-no" title="statement not covered" >{</span>
const <span class="fstat-no" title="function not covered" >normalizeLocale = <span class="cstat-no" title="statement not covered" >l</span>ocale<span class="cstat-no" title="statement not covered" > => locale.split('_')[0];</span></span>
const <span class="fstat-no" title="function not covered" >getLocaleFromAcceptedLanguages = <span class="cstat-no" title="statement not covered" >r</span>eq => {</span>
const acceptedLanguages = <span class="cstat-no" title="statement not covered" >acceptLanguageParser.parse(req.headers['accept-language']);</span>
<span class="cstat-no" title="statement not covered" > if (acceptedLanguages && acceptedLanguages.length && acceptedLanguages[0].code) {</span>
<span class="cstat-no" title="statement not covered" > return acceptedLanguages[0].code === '*' ? DEFAULT_LOCALE : acceptedLanguages[0].code;</span>
}
<span class="cstat-no" title="statement not covered" > return DEFAULT_LOCALE;</span>
};
/**
* Cookie middleware
*/
const <span class="fstat-no" title="function not covered" >cookie = <span class="cstat-no" title="statement not covered" >(</span>req, res, next) => {</span>
let locale;
const cookieOptions = <span class="cstat-no" title="statement not covered" >{</span>
maxAge: COOKIE_MAX_AGE,
};
<span class="cstat-no" title="statement not covered" > if (cookieDomain) {</span>
<span class="cstat-no" title="statement not covered" > cookieOptions.domain = cookieDomain;</span>
}
<span class="cstat-no" title="statement not covered" > if (req.cookies && req.cookies.locale) {</span>
<span class="cstat-no" title="statement not covered" > locale = normalizeLocale(req.cookies.locale);</span>
<span class="cstat-no" title="statement not covered" > if (typeof locales[locale] === 'undefined') {</span>
<span class="cstat-no" title="statement not covered" > locale = DEFAULT_LOCALE;</span>
}
<span class="cstat-no" title="statement not covered" > res.cookie('locale', locale, cookieOptions);</span>
} else {
<span class="cstat-no" title="statement not covered" > if (req.headers && req.headers['accept-language']) {</span>
<span class="cstat-no" title="statement not covered" > locale = getLocaleFromAcceptedLanguages(req);</span>
<span class="cstat-no" title="statement not covered" > if (locale) {</span>
<span class="cstat-no" title="statement not covered" > locale = normalizeLocale(locale);</span>
}
}
<span class="cstat-no" title="statement not covered" > if (!locale || typeof locales[locale] === 'undefined') {</span>
<span class="cstat-no" title="statement not covered" > locale = DEFAULT_LOCALE;</span>
}
<span class="cstat-no" title="statement not covered" > res.cookie('locale', locale, cookieOptions);</span>
}
<span class="cstat-no" title="statement not covered" > req.locale = locale;</span>
<span class="cstat-no" title="statement not covered" > next(</span>);
};
/**
* API middleware
*/
const api = <span class="cstat-no" title="statement not covered" >Router();</span>
<span class="cstat-no" title="statement not covered" > api.get(`${apiPrefix}/i18n/localeData/:locale`, <span class="fstat-no" title="function not covered" >(</span>req, res) => {</span>
// Follows IETF language tag convention:
// https://en.wikipedia.org/wiki/IETF_language_tag
const locale = <span class="cstat-no" title="statement not covered" >req.params.locale.split('-')[0];</span>
<span class="cstat-no" title="statement not covered" > res.sendFile(`${nodeModulesPath}/react-intl/locale-data/${locale}.js`);</span>
});
<span class="cstat-no" title="statement not covered" > api.get(`${apiPrefix}/i18n/messages/:locale`, <span class="fstat-no" title="function not covered" >(</span>req, res) => {</span>
const { locale } = <span class="cstat-no" title="statement not covered" >req.params;</span>
<span class="cstat-no" title="statement not covered" > fs.readFile(`${i18nPath}/${locale}.json`, 'utf-8', <span class="fstat-no" title="function not covered" >(</span>err, data) => {</span>
<span class="cstat-no" title="statement not covered" > if (!err) {</span>
<span class="cstat-no" title="statement not covered" > res[req.query.callback ? 'jsonp' : 'json'](JSON.parse(data));</span>
} else {
<span class="cstat-no" title="statement not covered" > res.status(404).send('Not found');</span>
}
});
});
<span class="cstat-no" title="statement not covered" > return [cookieParser(), cookie, api];</span>
})();
</pre></td></tr>
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