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Add frontend localization support (#18)
closes #17
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| { | ||
| "$schema": "https://raw.githubusercontent.com/lit/lit/main/packages/localize-tools/config.schema.json", | ||
| "sourceLocale": "en", | ||
| "targetLocales": ["ko"], | ||
| "tsConfig": "tsconfig.json", | ||
| "output": { | ||
| "mode": "runtime", | ||
| "outputDir": "src/__generated__/locales", | ||
| "localeCodesModule": "src/__generated__/locale-codes.ts" | ||
| }, | ||
| "interchange": { | ||
| "format": "xliff", | ||
| "xliffDir": "xliff" | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| import { LitElement, html } from "lit"; | ||
| import { shouldPolyfill } from "@formatjs/intl-displaynames/should-polyfill"; | ||
|
|
||
| import { allLocales } from "../__generated__/locale-codes"; | ||
| import { getLocale, setLocaleFromUrl } from "../utils/localization"; | ||
| import { localized } from "@lit/localize"; | ||
|
|
||
| type LocaleCode = typeof allLocales[number]; | ||
| type LocaleNames = { | ||
| [L in LocaleCode]: string; | ||
| }; | ||
|
|
||
| @localized() | ||
| export class LocalePicker extends LitElement { | ||
| localeNames?: LocaleNames; | ||
|
|
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| private setLocaleName = (locale: LocaleCode) => { | ||
| this.localeNames![locale] = new Intl.DisplayNames([locale], { | ||
| type: "language", | ||
| }).of(locale); | ||
| }; | ||
|
|
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| async firstUpdated() { | ||
| let isFirstPolyfill = true; | ||
|
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| // Polyfill if needed | ||
| // See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/DisplayNames#browser_compatibility | ||
| // TODO actually test if polyfill works in older browser | ||
| const polyfill = async (locale: LocaleCode) => { | ||
| if (!shouldPolyfill(locale)) { | ||
| return; | ||
| } | ||
|
|
||
| if (isFirstPolyfill) { | ||
| await import("@formatjs/intl-getcanonicallocales/polyfill"); | ||
| await import("@formatjs/intl-displaynames/polyfill"); | ||
|
|
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| isFirstPolyfill = false; | ||
| } | ||
|
|
||
| try { | ||
| await import("@formatjs/intl-displaynames/locale-data/" + locale); | ||
| } catch (e) { | ||
| console.debug(e); | ||
| } | ||
| }; | ||
|
|
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| await Promise.all( | ||
| allLocales.map((locale) => polyfill(locale as LocaleCode)) | ||
| ); | ||
|
|
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| this.localeNames = {} as LocaleNames; | ||
| allLocales.forEach(this.setLocaleName); | ||
|
|
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| this.requestUpdate(); | ||
| } | ||
|
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| render() { | ||
| if (!this.localeNames) { | ||
| return; | ||
| } | ||
|
|
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| const selectedLocale = getLocale(); | ||
|
|
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| return html` | ||
| <sl-select value=${selectedLocale} @sl-change=${this.localeChanged}> | ||
| ${allLocales.map( | ||
| (locale) => | ||
| html`<sl-menu-item | ||
| value=${locale} | ||
| ?selected=${locale === selectedLocale} | ||
| > | ||
| ${this.localeNames![locale]} | ||
| </sl-menu-item>` | ||
| )} | ||
| </sl-select> | ||
| `; | ||
| } | ||
|
|
||
| async localeChanged(event: Event) { | ||
| const newLocale = (event.target as HTMLSelectElement).value as LocaleCode; | ||
|
|
||
| if (newLocale !== getLocale()) { | ||
| const url = new URL(window.location.href); | ||
| url.searchParams.set("locale", newLocale); | ||
| window.history.pushState(null, "", url.toString()); | ||
| setLocaleFromUrl(); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| import { configureLocalization } from "@lit/localize"; | ||
|
|
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| import { sourceLocale, targetLocales } from "../__generated__/locale-codes"; | ||
|
|
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| export const { getLocale, setLocale } = configureLocalization({ | ||
| sourceLocale, | ||
| targetLocales, | ||
| loadLocale: (locale: string) => | ||
| import(`/src/__generated__/locales/${locale}.ts`), | ||
| }); | ||
|
|
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| export const setLocaleFromUrl = async () => { | ||
| const url = new URL(window.location.href); | ||
| const locale = url.searchParams.get("locale") || sourceLocale; | ||
| await setLocale(locale); | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| <?xml version="1.0" encoding="UTF-8"?> | ||
| <xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2"> | ||
| <file target-language="ko" source-language="en" original="lit-localize-inputs" datatype="plaintext"> | ||
| <body> | ||
| <trans-unit id="s47d31e4dbe55f7d9"> | ||
| <source>Browsertrix Cloud</source> | ||
| <target>Browsertrix Cloud</target> | ||
| </trans-unit> | ||
| <trans-unit id="sd03ac20f93055ed8"> | ||
| <source>My Account</source> | ||
| <target>내 계정</target> | ||
| </trans-unit> | ||
| <trans-unit id="sa03807e44737a915"> | ||
| <source>Log Out</source> | ||
| <target>로그아웃</target> | ||
| </trans-unit> | ||
| <trans-unit id="sca974356724f8230"> | ||
| <source>Log In</source> | ||
| <target>로그인</target> | ||
| </trans-unit> | ||
| </body> | ||
| </file> | ||
| </xliff> |
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