@alauda-fe/common
Version:
Alauda frontend team common codes.
76 lines • 11.1 kB
JavaScript
import { FALLBACK_LANGUAGE } from './constants';
import { getUserLanguage, isBuiltInLanguage, loadAvailableLanguages, } from './i18n-config';
export class I18nAssetsLoader {
constructor(options) {
this.options = options;
this.assetsStore = {};
}
async loadI18n(language) {
const allAssets = await Promise.all([
...(this.options.modules || [])
.reverse()
.map(module => replaceTemplate(`/console-i18n/{{ language }}/${module}.json`, {
language,
}))
.map(filePath => this.fetchI18nFile(filePath)),
...(this.options.files || []).reverse().map(file => {
const filePath = isBuiltInLanguage(language)
? replaceTemplate(file.path, { language, name: file.name })
: replaceTemplate(`/console-i18n/{{ language }}/${file.name}.json`, {
language,
});
return this.fetchI18nFile(filePath).then(i18nObj => file.scope ? { [file.scope]: i18nObj } : i18nObj);
}),
]);
this.assetsStore[language] = Object.values(allAssets).reduce((acc, curr) => Object.assign(acc, curr), {});
return this.assetsStore[language];
}
getLoadedLanguages() {
return Object.keys(this.assetsStore);
}
languageIsLoaded(language) {
return this.getLoadedLanguages().includes(language);
}
getLoadedI18n() {
return this.assetsStore;
}
fetchI18nFile(filePath) {
return fetch(filePath)
.then(res => res.json())
.catch(err => {
console.error(`Failed to load i18n file: ${filePath}`);
console.error(err);
return {};
});
}
}
export function triggerAllI18nLoader(loaders) {
return loadAvailableLanguages().then(() => {
const userLanguage = getUserLanguage();
return Promise.all(isBuiltInLanguage(userLanguage)
? loaders.map(loader => loader.loadI18n(userLanguage))
: loaders.flatMap(loader => [
loader.loadI18n(userLanguage),
loader.loadI18n(FALLBACK_LANGUAGE),
]));
});
}
export function setAuiTranslation(i18nService, loader, locale) {
const allTranslations = loader.getLoadedI18n();
const translation = (isBuiltInLanguage(locale)
? allTranslations[locale]
: {
...allTranslations[FALLBACK_LANGUAGE],
...allTranslations[locale],
});
i18nService.setI18n({
locale,
translation,
});
}
function replaceTemplate(str, data) {
return str.replace(/{{\s*(\w+)\s*}}/g, (_, key) => {
return key in data ? data[key] : '';
});
}
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replaceTemplate(file.path, { language, name: file.name })\n          : replaceTemplate(`/console-i18n/{{ language }}/${file.name}.json`, {\n              language,\n            });\n        return this.fetchI18nFile(filePath).then(i18nObj =>\n          file.scope ? { [file.scope]: i18nObj } : i18nObj,\n        );\n      }),\n    ]);\n\n    this.assetsStore[language] = Object.values(allAssets).reduce(\n      (acc, curr) => Object.assign(acc, curr),\n      {},\n    );\n\n    return this.assetsStore[language];\n  }\n\n  getLoadedLanguages() {\n    return Object.keys(this.assetsStore);\n  }\n\n  languageIsLoaded(language: string) {\n    return this.getLoadedLanguages().includes(language);\n  }\n\n  getLoadedI18n() {\n    return this.assetsStore;\n  }\n\n  private fetchI18nFile(filePath: string): Promise<Translation> {\n    return fetch(filePath)\n      .then(res => res.json())\n      .catch(err => {\n        console.error(`Failed to load i18n file: ${filePath}`);\n        console.error(err);\n        return {};\n      });\n  }\n}\n\nexport function triggerAllI18nLoader(loaders: I18nAssetsLoader[]) {\n  return loadAvailableLanguages().then(() => {\n    const userLanguage = getUserLanguage();\n    return Promise.all(\n      isBuiltInLanguage(userLanguage)\n        ? loaders.map(loader => loader.loadI18n(userLanguage))\n        : loaders.flatMap(loader => [\n            loader.loadI18n(userLanguage),\n            loader.loadI18n(FALLBACK_LANGUAGE),\n          ]),\n    );\n  });\n}\n\nexport function setAuiTranslation(\n  i18nService: I18nService,\n  loader: I18nAssetsLoader,\n  locale: string,\n) {\n  const allTranslations = loader.getLoadedI18n();\n  const translation = (\n    isBuiltInLanguage(locale)\n      ? allTranslations[locale]\n      : {\n          ...allTranslations[FALLBACK_LANGUAGE],\n          ...allTranslations[locale],\n        }\n  ) as Record<string, string>;\n\n  i18nService.setI18n({\n    locale,\n    translation,\n  });\n}\n\nfunction replaceTemplate(str: string, data: Record<string, string>) {\n  return str.replace(/{{\\s*(\\w+)\\s*}}/g, (_, key) => {\n    return key in data ? data[key] : '';\n  });\n}\n"]}