/opt/canhelp/node_modules/next/dist/server/lib
Edit: /opt/canhelp/node_modules/next/dist/server/lib/i18n-provider.js (5593B)
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
Object.defineProperty(exports, "I18NProvider", {
enumerable: true,
get: function() {
return I18NProvider;
}
});
const _requestmeta = require("../request-meta");
class I18NProvider {
constructor(config){
var _config_domains;
this.config = config;
if (!config.locales.length) {
throw Object.defineProperty(new Error('Invariant: No locales provided'), "__NEXT_ERROR_CODE", {
value: "E510",
enumerable: false,
configurable: true
});
}
this.lowerCaseLocales = config.locales.map((locale)=>locale.toLowerCase());
this.lowerCaseDomains = (_config_domains = config.domains) == null ? void 0 : _config_domains.map((domainLocale)=>{
var _domainLocale_locales;
const domain = domainLocale.domain.toLowerCase();
return {
defaultLocale: domainLocale.defaultLocale.toLowerCase(),
hostname: domain.split(':', 1)[0],
domain,
locales: (_domainLocale_locales = domainLocale.locales) == null ? void 0 : _domainLocale_locales.map((locale)=>locale.toLowerCase()),
http: domainLocale.http
};
});
}
/**
* Detects the domain locale from the hostname and the detected locale if
* provided.
*
* @param hostname The hostname to detect the domain locale from, this must be lowercased.
* @param detectedLocale The detected locale to use if the hostname does not match.
* @returns The domain locale if found, `undefined` otherwise.
*/ detectDomainLocale(hostname, detectedLocale) {
if (!hostname || !this.lowerCaseDomains || !this.config.domains) return;
if (detectedLocale) detectedLocale = detectedLocale.toLowerCase();
for(let i = 0; i < this.lowerCaseDomains.length; i++){
var // Configuration validation ensures that the locale is not repeated in
// other domains locales.
_domainLocale_locales;
const domainLocale = this.lowerCaseDomains[i];
if (// We assume that the hostname is already lowercased.
domainLocale.hostname === hostname || ((_domainLocale_locales = domainLocale.locales) == null ? void 0 : _domainLocale_locales.some((locale)=>locale === detectedLocale))) {
return this.config.domains[i];
}
}
return;
}
/**
* Pulls the pre-computed locale and inference results from the query
* object.
*
* @param req the request object
* @param pathname the pathname that could contain a locale prefix
* @returns the locale analysis result
*/ fromRequest(req, pathname) {
const detectedLocale = (0, _requestmeta.getRequestMeta)(req, 'locale');
// If a locale was detected on the query, analyze the pathname to ensure
// that the locale matches.
if (detectedLocale) {
const analysis = this.analyze(pathname);
// If the analysis contained a locale we should validate it against the
// query and strip it from the pathname.
if (analysis.detectedLocale) {
if (analysis.detectedLocale !== detectedLocale) {
console.warn(`The detected locale does not match the locale in the query. Expected to find '${detectedLocale}' in '${pathname}' but found '${analysis.detectedLocale}'}`);
}
pathname = analysis.pathname;
}
}
return {
pathname,
detectedLocale,
inferredFromDefault: (0, _requestmeta.getRequestMeta)(req, 'localeInferredFromDefault') ?? false
};
}
/**
* Analyzes the pathname for a locale and returns the pathname without it.
*
* @param pathname The pathname that could contain a locale prefix.
* @param options The options to use when matching the locale.
* @returns The matched locale and the pathname without the locale prefix
* (if any).
*/ analyze(pathname, options = {}) {
let detectedLocale = options.defaultLocale;
// By default, we assume that the default locale was inferred if there was
// no detected locale.
let inferredFromDefault = typeof detectedLocale === 'string';
// The first segment will be empty, because it has a leading `/`. If
// there is no further segment, there is no locale (or it's the default).
const segments = pathname.split('/', 2);
if (!segments[1]) return {
detectedLocale,
pathname,
inferredFromDefault
};
// The second segment will contain the locale part if any.
const segment = segments[1].toLowerCase();
// See if the segment matches one of the locales. If it doesn't, there is
// no locale (or it's the default).
const index = this.lowerCaseLocales.indexOf(segment);
if (index < 0) return {
detectedLocale,
pathname,
inferredFromDefault
};
// Return the case-sensitive locale.
detectedLocale = this.config.locales[index];
inferredFromDefault = false;
// Remove the `/${locale}` part of the pathname.
pathname = pathname.slice(detectedLocale.length + 1) || '/';
return {
detectedLocale,
pathname,
inferredFromDefault
};
}
}
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