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e7accfdab9
* fix(core): prevent i18n context contamination by using request-scoped instances prevent i18n context contamination by using request-scoped instance * refactor(core): remove RequestError body getter remove RequestError body getter * refactor(core): refactor some unit test context creations refactor some unit test context creations * refactor(core): override RequestError message with custom comments override RequestError message with custom comments * chore: update comments update comments * chore: comment update Co-authored-by: Gao Sun <gao@silverhand.io> --------- Co-authored-by: Gao Sun <gao@silverhand.io>
46 lines
1.6 KiB
TypeScript
46 lines
1.6 KiB
TypeScript
import { isBuiltInLanguageTag } from '@logto/phrases-experience';
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import { type SignInExperience } from '@logto/schemas';
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import { conditionalArray } from '@silverhand/essentials';
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import type { i18n } from 'i18next';
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import _i18next from 'i18next';
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import { type ParameterizedContext } from 'koa';
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import { type IRouterParamContext } from 'koa-router';
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import detectLanguage from '#src/i18n/detect-language.js';
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/**
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* The global scoped i18next instance.
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* We use this instance to maintain the global configuration and resources for i18next.
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*
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* @remarks
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* This instance should not be used directly in the request lifecycle as it is shared across all requests.
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* For different language settings in the request lifecycle, use `ctx.i18next` instead.
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*/
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// This may be fixed by a cjs require wrapper. TBD.
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// See https://github.com/microsoft/TypeScript/issues/49189
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// eslint-disable-next-line no-restricted-syntax
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export const i18next = _i18next as unknown as i18n;
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type GetExperienceLanguage = {
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ctx: ParameterizedContext<unknown, IRouterParamContext>;
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languageInfo: SignInExperience['languageInfo'];
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customLanguages: readonly string[];
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lng?: string;
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};
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export const getExperienceLanguage = ({
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ctx,
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languageInfo: { autoDetect, fallbackLanguage },
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customLanguages,
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lng,
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}: GetExperienceLanguage) => {
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const acceptableLanguages = conditionalArray<string | string[]>(
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lng,
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autoDetect && detectLanguage(ctx),
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fallbackLanguage
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);
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const language =
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acceptableLanguages.find((tag) => isBuiltInLanguageTag(tag) || customLanguages.includes(tag)) ??
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'en';
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return language;
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};
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