feat(connector-i18n): localize the connector dialog - #555
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🦋 Changeset detectedLatest commit: 24831f9 The changes in this PR will be included in the next version bump. This PR includes changesets to release 2 packages
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WalkthroughThe connector adds English and Simplified Chinese UI messages, locale selection and fallback, translated connector scenes and errors, and locale support in the React provider and Web Component. The application adds a locale selector. Documentation, tests, and a changeset cover the additions. ChangesConnector localization
Priority: ➖ Normal Estimated code review effort: 3 (Moderate) | ~25 minutes Change: Feature · Severity of issue fixed: Medium Suggested reviewers: Sequence Diagram(s)sequenceDiagram
participant LocaleToggle
participant AppProvider
participant CCCProvider
participant WebComponentConnector
LocaleToggle->>AppProvider: select connector locale
AppProvider->>CCCProvider: pass locale
CCCProvider->>WebComponentConnector: forward locale
WebComponentConnector->>WebComponentConnector: recreate I18n
Merge Risk: 🟡 Moderate · up to Keyboard users may still be unable to use the dialog’s back and close controls. Confirm or fix those controls before merging. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 22.22% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 18 functions across 28 files. (1 skipped: 1 unsupported.) Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out. Comment |
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Actionable comments posted: 4
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Inline comments:
In `@packages/app/src/app/dropdown.tsx`:
- Around line 161-166: Update the listbox element in the dropdown component to
hide it from assistive technology whenever open is false, using conditional
rendering or an aria-hidden value while preserving the existing open-state
behavior and aria-activedescendant handling.
- Line 165: Update the dropdown trigger button to use role="combobox" and carry
the conditional aria-activedescendant while open; remove aria-activedescendant
from the listbox element, preserving the existing active option ID and focus
behavior.
In `@packages/connector/src/components/dialog.ts`:
- Around line 27-29: Replace the back and close non-native controls in the
dialog with native button elements using type="button", preserving their labels,
visibility, and activation behavior so both controls are keyboard focusable and
operable.
In `@packages/connector/src/i18n/index.ts`:
- Line 22: Update the exact locale check in the locale lookup function to test
only own properties of registered, replacing the inherited-property-inclusive
check while preserving the existing fallback behavior.
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.changeset/connector-i18n.mdCONTRIBUTING.mdpackages/app/src/app/dropdown.module.csspackages/app/src/app/dropdown.tsxpackages/app/src/app/header-links.module.csspackages/app/src/app/header-links.tsxpackages/app/src/app/provider.tsxpackages/connector-react/src/hooks/useCcc.tsxpackages/connector/src/advancedBarrel.tspackages/connector/src/barrel.tspackages/connector/src/components/connecting.tspackages/connector/src/components/copy-button.tspackages/connector/src/components/dialog.tspackages/connector/src/components/qr-scanner.tspackages/connector/src/connector/index.tspackages/connector/src/i18n/index.test.tspackages/connector/src/i18n/index.tspackages/connector/src/i18n/locales/en.tspackages/connector/src/i18n/locales/index.tspackages/connector/src/i18n/locales/zh-CN.tspackages/connector/src/i18n/types.tspackages/connector/src/scenes/connected.tspackages/connector/src/scenes/error.test.tspackages/connector/src/scenes/error.tspackages/connector/src/scenes/fee-rate.test.tspackages/connector/src/scenes/fee-rate.tspackages/connector/src/scenes/khie/connect.tspackages/connector/src/scenes/khie/pairing.tspackages/connector/src/scenes/khie/session.tspackages/connector/src/scenes/selecting/index.tspackages/connector/src/scenes/selecting/signers.tspackages/connector/src/scenes/selecting/wallets.tspackages/docs/content/docs/guides/connect-wallets.mdxpackages/docs/content/docs/guides/connect-wallets.zh.mdx
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LGTM overall. The externally exposed APIs need to be cleaned up to avoid issues with future version upgrades.
| export * from "@ckb-ccc/ccc/barrel"; | ||
| export * from "./connector/index.js"; | ||
| export * from "./events/external.js"; | ||
| export * from "./i18n/index.js"; |
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If this is positioned as an internal-use tool, please don't export it.
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If we don’t export * from ./i18n/index.js, may be we could change the two interfaces that currently use these types to string instead:
export type BuiltInConnectorLocale = "en" | "zh-CN";
/**
* A BCP 47 language tag. Built-in locales get completion; any other tag falls
* back to the closest registered language (`zh-HK` → `zh-CN`), then English.
*/
export type ConnectorLocale =
BuiltInConnectorLocale | (string & Record<never, never>);With this approach, the locale prop on ccc.Provider would lose the "en" | "zh-CN" literal autocomplete (the current locale prop uses the ConnectorLocale type). Developers might therefore have less visibility into which locales we officially support, although using string is arguably more straightforward.
If we want to make the supported locales more discoverable, another option is to avoid exporting everything from i18n and only export these two types:
export type {
BuiltInConnectorLocale,
ConnectorLocale,
} from "./i18n/index.js";Which approach would you recommend? Or is there another solution you think would work better?
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I reworked the locale types. Summary:
Public API
barrel.tsnow only exports the two types:export type { ConnectorLocale, ConnectorLocaleLike }.I18n,locales, the resolver, etc. stay internal, and thelocaleprop keeps its literal autocomplete ("en" | "zh-Hans").- Naming follows CCC's
Xxx/XxxLikeconvention:ConnectorLocaleis the set of built-in locales,ConnectorLocaleLikeisConnectorLocale | (string & Record<never, never>), i.e. any BCP 47 tag.BuiltInConnectorLocaleis removed. ConnectorLocaleis derived from the locale registry (keyof typeof locales), so adding a language is a single step: register it inlocales/index.ts. There is no separate type to keep in sync.
zh-CN → zh-Hans
- Locales are keyed by script instead of region, which pairs symmetrically with a future
zh-Hant. - Resolution uses
Intl.Locale#maximize(): same language and script first, then same language, thenen.zh-CN,zh-SG,zhandzh_cnall resolve tozh-Hans.zh-HK/zh-TWfall back tozh-Hansfor now and will pick upzh-Hantautomatically once it is registered, regardless of registration order. Invalid tags,""andnullfall back toen.
- Route every user-facing string through a flat, typed key map so the connector UI can be translated. - A locale property on<ccc-connector> and ccc.Provider selects the language — English by default, zh-CN built in, unknown tags fall back to the closest registered language. - The demo app gains a header language dropdown, and CONTRIBUTING documents how to add a locale.
…props Reuse the generic copy/copied labels on ccc-copy-button in the Khie pairing and connected scenes, making khieConnectorPairingCode and khieCopyConnectorPairingCode unused. Pairing QR alt is now a static identifier.
scenes/error is only used inside the connector, so drop it from the advanced barrel per review feedback.
Rename the zh-CN catalog to zh-Hans so locale registry keys are
canonical script tags, and add matchLocale/resolveConnectorLocale to
map any language tag (zh-CN, zh-HK, zh_TW, ...) to the closest
registered locale — same language and script first, then same
language — before falling back to English.
The connector LANG="C.UTF-8"
LC_COLLATE="C.UTF-8"
LC_CTYPE="C.UTF-8"
LC_MESSAGES="C.UTF-8"
LC_MONETARY="C.UTF-8"
LC_NUMERIC="C.UTF-8"
LC_TIME="C.UTF-8"
LC_ALL= prop and the React Provider now accept
ConnectorLocaleLike instead of only built-in keys, so callers can
keep passing region tags like zh-CN. The Khie help sentence is
folded into a single khieHelp message with a {link} placeholder,
replacing the intro/outro split keys, and the pairing QR gets a
localized khiePairingCode alt. The app's language dropdown is now
derived from the connector's locales registry, so newly contributed
languages show up without app changes.
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Based on the current documentation, a significant number of APIs are still exported as public, including the full set of locales. The application even uses Object.keys(ccc.locales) to retrieve the list of languages. I suggest re-evaluating the currently exposed APIs to avoid inadvertently exposing internal implementation details to the outside.
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Done in 24831f9. locales, I18n and the resolver are internal now; the public surface is just ConnectorLocale and connectorLocales. The demo no longer touches the catalogs.
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| feat(connector): add localization support | ||
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| - New `locale` property on `<ccc-connector>` and `ccc.Provider`; English by default, `zh-Hans` built in, unknown tags fall back to the closest registered language (e.g. `zh-CN` and `zh-HK` resolve to `zh-Hans`). |
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For now, I suggest removing this automatic conversion feature. The primary reason is that we have not observed a need to actively support multiple linguistic expressions, nor does it seem obvious that the Connector should shoulder this responsibility. Adding this feature later, should the need arise, would be straightforward, whereas removing it would not.
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Thanks for the review! I've pushed 24831f9 to address both threads. Could you please take another look?
Address review feedback on exposing i18n internals: - Match `locale` exactly against built-in tags and fall back to English otherwise. Mapping app languages (e.g. `zh-CN` -> `zh-Hans`) is now the app's job. Remove the BCP 47 closest-match logic (`matchLocale`, `LocaleCandidate`, `parseTag`). - Type the `locale` prop on `<ccc-connector>` and `ccc.Provider` as `ConnectorLocale` and drop `ConnectorLocaleLike`, in line with phasing out `xxxLike` types. - Stop exporting the `locales` catalogs, `I18n` and the resolver. Export only `connectorLocales` (a frozen list of built-in tags) and the `ConnectorLocale` type. - Remove `locale` from `useCcc()`. It only echoed the prop back. - App: build the language dropdown from `ccc.connectorLocales`, so new connector languages show up without app changes. - Update tests, docs (en/zh), CONTRIBUTING and the changeset.
2 participants
Summary
Resolves #518.
The connector modal's copy was entirely hardcoded English string literals scattered across render functions — no prop, context, or config option to override them, so multi-language apps couldn't make the connector follow the app's current language.
This PR adds localization support to
@ckb-ccc/connector: all user-facing strings are routed through a flat, typed key map, and a newlocaleproperty selects the language at runtime.What's included
localeprop on<ccc-connector>andccc.Provider(@ckb-ccc/connector-react). English by default;zh-CNships built in. Unknown BCP 47 tags fall back to the closest registered language (zh-HK→zh-CN), then to English, so passingnavigator.languageis safe.useCcc()exposeslocaleso apps can read the active connector language.ConnectorError(kind + message key + params), exported fromadvancedBarrel.Providerwith the selected locale, updating the connector modal immediately.localeadded to the Provider/useCcc tables, and a "Contributing a connector language" section in CONTRIBUTING.md.@ckb-ccc/connectorand@ckb-ccc/connector-react.Design notes
i18n/types.tsdocuments the key naming rules (keys describe meaning, not location;{name}placeholders; brand names never translated).enis the source of truth — the compiler enforces identical key sets across locales.en.ts.aria-labels along the way.Testing
pnpm testinpackages/connector: newi18n/index.test.tsverifies key parity, placeholder parity, and fallback resolution;error.test.tsandfee-rate.test.tscover the new error/locale plumbing. All 48 tests pass.pnpm buildandpnpm lintclean across the workspace.enandzh-CN.Screenshots