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fixed i18n language fallback behaviour

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This commit is contained in:
tot92 2019-11-09 22:07:06 +01:00
parent 9bd9c6a400
commit dae1d6057e
1 changed files with 41 additions and 18 deletions
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59
packages/node_modules/@node-red/util/lib/i18n.js vendored
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@ -81,35 +81,58 @@ function mergeCatalog(fallback,catalog) {
}
}
var MessageFileLoader = {
type: "backend",
init: function(services, backendOptions, i18nextOptions) {},
read: function(lng, ns, callback) {
if (resourceMap[ns]) {
var file = path.join(resourceMap[ns].basedir,lng,resourceMap[ns].file);
//console.log(file);
fs.readFile(file,"utf8",function(err,content) {
function readFile(lng, ns) {
return new Promise((resolve, reject) => {
if (resourceCache[ns] && resourceCache[ns][lng]) {
resolve(resourceCache[ns][lng]);
} else if (resourceMap[ns]) {
var file = path.join(resourceMap[ns].basedir, lng, resourceMap[ns].file);
fs.readFile(file, "utf8", function (err, content) {
if (err) {
callback(err);
reject(err);
} else {
try {
resourceCache[ns] = resourceCache[ns]||{};
resourceCache[ns] = resourceCache[ns] || {};
resourceCache[ns][lng] = JSON.parse(content.replace(/^\uFEFF/, ''));
//console.log(resourceCache[ns][lng]);
if (lng !== defaultLang) {
mergeCatalog(resourceCache[ns][defaultLang],resourceCache[ns][lng]);
var baseLng = lng.split('-')[0];
if (baseLng !== lng && resourceCache[ns][baseLng]) {
mergeCatalog(resourceCache[ns][baseLng], resourceCache[ns][lng]);
}
callback(null, resourceCache[ns][lng]);
} catch(e) {
callback(e);
if (lng !== defaultLang) {
mergeCatalog(resourceCache[ns][defaultLang], resourceCache[ns][lng]);
}
resolve(resourceCache[ns][lng]);
} catch (e) {
reject(e);
}
}
});
} else {
callback(new Error("Unrecognised namespace"));
reject(new Error("Unrecognised namespace"));
}
}
});
}
var MessageFileLoader = {
type: "backend",
init: function (services, backendOptions, i18nextOptions) { },
read: function (lng, ns, callback) {
// there are two languages to consider:
// 1) the actual language lng (e. g. 'en-US' or 'de-DE', 'fr-FR',...)
// 2) the base language (e. g. 'en', 'de', 'fr',...)
var baseLng = lng.split('-')[0];
// read base language (e. g. 'de'), then actual language (e. g. 'de-DE')
readFile(baseLng, ns).then(
baseData => {
// scenario 2: reading base language was successful -> read actual language -> if this fails, return base language data
readFile(lng, ns).then(data => callback(null, data), () => callback(null, baseData))
},
() => {
// scenario 2: reading base language failed -> read actual language -> if this fails too, return error
readFile(lng, ns).then(data => callback(null, data), err => callback(err))
});
}
}
function getCurrentLocale() {