feat: add internationalization (i18n) and multi-language support - #293
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emelichev wants to merge 2 commits into
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feat: add internationalization (i18n) and multi-language support#293emelichev wants to merge 2 commits into
emelichev wants to merge 2 commits into
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added 2 commits
August 27, 2026 22:02
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What does this PR change?
Adds full translation resources for 4 languages:
English (en) — Default
Russian (ru)
Chinese Simplified (zh-CN)
Chinese Traditional (zh-TW)
Adds a Language selector dropdown to the Settings page under Display preferences (alongside the Currency selector) with automatic localStorage persistence and browser language detection.
Localizes all core UI pages, layouts, and components:
Sidebar navigation & global search shortcuts
Home dashboard & Cost Summary cards
Dashboards list and Dashboard builder views
Reports list and Report Builder with configuration side-panel
Cost Allocation widgets (charts, breakdown tables, filters)
Cloud Cost and Infrastructure Assets widgets, tables, and time filters
Settings, theme switches, table pagination, and common action buttons
Fixes CommonJS lodash import compatibility for Vite SSR/dev mode.
Does this PR relate to any other PRs?
How will this PR impact users?
The chosen language persists across browser sessions in localStorage.
All text and metrics labels adapt dynamically without affecting existing dashboard configurations, API queries, or currency formatting.
Does this PR address any GitHub or Zendesk issues?
How was this PR tested?
Tested language switching and verified UI rendering across all routes (/, /dashboards, /dashboard/:id, /reports, /report/:id, /settings) using browser and headless automation.
Tested persistence of selected locale in localStorage and fallback behavior to English for missing keys.
Does this PR require changes to documentation?
Have you labeled this PR and its corresponding Issue as "next release" if it should be part of the next OpenCost release? If not, why not?
Yes, labeled as "next release" for inclusion in the upcoming OpenCost release.