Add translations support (#116)

crowdin.yml

@@ -0,0 +1,8 @@
+project_id: 518556
+preserve_hierarchy: true
+commit_message: '[ci skip]'
+
+files:
+  - source: /locales/en-US/*
+    dest: /%original_file_name%
+    translation: /locales/%locale%/%original_file_name%

docs/.vitepress/config.js

@@ -1,7 +1,11 @@
-import { resolve } from 'path'
+import { resolve, basename } from 'path'
 import svgLoader from 'vite-svg-loader'
 import eslintPlugin from 'vite-plugin-eslint'
+import { icuMessages } from '@vintl/unplugin/vite'
+import virtual from '@rollup/plugin-virtual'
+import { globSync } from 'glob'
 
+/** @type {import('vitepress').SiteConfig} */
 export default {
   title: 'Omorphia',
   description: 'A components library used for Modrinth.',
@@ -80,11 +84,40 @@ export default {
         },
       }),
       eslintPlugin(),
+      icuMessages({
+        filter: (id) => id.endsWith('.json?messages'),
+        pluginsWrapping: true,
+      }),
+      virtual({
+        '@modrinth/omorphia-dev/locales/index.js': (() => {
+          const localeDirs = globSync('../../locales/*', { cwd: __dirname, absolute: true })
+          let output = 'export const localeDefinitions = Object.create(null);\n'
+          for (const localeDir of localeDirs) {
+            const tag = basename(localeDir)
+            output += `localeDefinitions[${JSON.stringify(tag)}] = {\n`
+            output += '\tasync importFunction() {\n'
+            output += `\t\tconst messages = Object.create(null);\n`
+            for (const filePath of globSync('*', { cwd: localeDir, absolute: true })) {
+              const fileName = basename(filePath)
+              if (fileName === 'index.json') {
+                output += `\t\tObject.assign(messages, await import(${JSON.stringify(
+                  `${filePath}?messages`
+                )}).then((mod) => mod['default']));\n`
+              }
+            }
+            output += '\t\treturn { messages }\n'
+            output += '\t},\n'
+            output += '}\n'
+          }
+          return output
+        })(),
+      }),
     ],
     resolve: {
       alias: {
         '@': resolve(__dirname, '../../lib'),
         omorphia: resolve(__dirname, '../../lib'),
+        '@formatjs/icu-messageformat-parser': '@formatjs/icu-messageformat-parser/lib/no-parser',
       },
       dedupe: ['vue'],
     },

docs/.vitepress/env.d.ts

@@ -0,0 +1,15 @@
+/// <reference types="vite/client" />
+
+declare module '@modrinth/omorphia-dev/locales/index.js' {
+  interface LocaleExport {
+    messages: Record<string, any[]>
+  }
+
+  interface LocaleDefinition {
+    importFunction(): Promise<LocaleExport>
+  }
+
+  const localeDefinitions: Partial<Record<string, LocaleDefinition>>
+
+  export { localeDefinitions }
+}

docs/.vitepress/theme/LanguageSwitcher.vue

@@ -0,0 +1,73 @@
+<script setup lang="ts">
+import { useVIntl } from '@vintl/vintl'
+import { DropdownSelect } from 'omorphia'
+import { computed, ref } from 'vue'
+
+const { $locales, $config, changeLocale } = useVIntl()
+
+const getLocaleDisplayName = (() => {
+  const cache = new Map<string, Intl.DisplayNames>()
+
+  return function getLocaleDisplayName(locale: string) {
+    let displayNames = cache.get(locale)
+    if (displayNames == null) {
+      displayNames = new Intl.DisplayNames(locale, {
+        type: 'language',
+        languageDisplay: 'standard',
+      })
+      cache.set(locale, displayNames)
+    }
+    return displayNames.of(locale)
+  }
+})()
+
+const isChanging = ref(false)
+
+const currentLocale = computed({
+  get() {
+    return $config.locale
+  },
+  async set(value) {
+    if (isChanging.value) return
+
+    try {
+      isChanging.value = true
+      await changeLocale(value)
+    } finally {
+      isChanging.value = false
+    }
+  },
+})
+</script>
+<template>
+  <div class="LanguageSwitcher">
+    <h2 class="title">Playground language</h2>
+
+    <DropdownSelect
+      class="locale-dropdown"
+      name="locale"
+      v-model="currentLocale"
+      placeholder="Change language"
+      :disabled="isChanging"
+      :options="Array.from($locales).map(([{ tag }]) => tag)"
+      :display-name="(locale: string) => getLocaleDisplayName(locale)"
+    />
+  </div>
+</template>
+<style scoped>
+.LanguageSwitcher {
+  padding-block: 18px;
+  border-bottom: 1px solid var(--vp-c-divider);
+}
+
+.LanguageSwitcher .title {
+  font-weight: 700;
+  font-size: 14px;
+  color: var(--vp-c-text-1);
+}
+
+.LanguageSwitcher .locale-dropdown {
+  width: 200px;
+  font-size: 14px;
+}
+</style>

docs/.vitepress/theme/index.js

@@ -1,14 +1,50 @@
-import DefaultTheme from 'vitepress/theme'
+import { localeDefinitions } from '@modrinth/omorphia-dev/locales/index.js'
+import { createPlugin } from '@vintl/vintl/plugin'
 import Omorphia from 'omorphia'
+import DefaultTheme from 'vitepress/theme'
+import { createVNode } from 'vue'
 import DemoContainer from './DemoContainer.vue'
+import LanguageSwitcher from './LanguageSwitcher.vue'
 
 import './compat.scss'
 import './style.scss'
 
+/** @type {import('vitepress').Theme} */
 export default {
   ...DefaultTheme,
   enhanceApp(ctx) {
     ctx.app.use(Omorphia)
     ctx.app.component('DemoContainer', DemoContainer)
+    ctx.app.use(
+      createPlugin({
+        controllerOpts: {
+          locales: Object.keys(localeDefinitions).map((tag) => ({ tag })),
+          listen: {
+            async localeload(event) {
+              const locale = event.locale.tag
+              if (!Object.hasOwn(localeDefinitions, locale)) {
+                throw new Error(`Unknown locale: ${locale}`)
+              }
+
+              try {
+                const { messages } = await localeDefinitions[locale].importFunction()
+                event.addMessages(messages)
+              } catch (err) {
+                console.error(`Failed to load locale: ${locale}`, err)
+              }
+            },
+          },
+          defaultMessageOrder: ['locale', 'descriptor'],
+        },
+        globalMixin: false,
+      })
+    )
+  },
+  Layout() {
+    return createVNode(DefaultTheme.Layout, null, {
+      'sidebar-nav-before'() {
+        return createVNode(LanguageSwitcher)
+      },
+    })
   },
 }

lib/components/base/CopyCode.vue

@@ -1,5 +1,5 @@
 <template>
-  <button class="code" :class="{ copied }" title="Copy code to clipboard" @click="copyText">
+  <button class="code" :class="{ copied }" :title="formatMessage(copiedMessage)" @click="copyText">
     <span>{{ text }}</span>
     <CheckIcon v-if="copied" />
     <ClipboardCopyIcon v-else />
@@ -8,6 +8,12 @@
 
 <script setup>
 import { CheckIcon, ClipboardCopyIcon } from '@'
+import { useVIntl, defineMessage } from '@vintl/vintl'
+const copiedMessage = defineMessage({
+  id: 'omorphia.component.copy.action.copy',
+  defaultMessage: 'Copy code to clipboard',
+})
+const { formatMessage } = useVIntl()
 </script>
 
 <script>

locales/en-US/index.json

@@ -0,0 +1,5 @@
+{
+  "omorphia.component.copy.action.copy": {
+    "defaultMessage": "Copy code to clipboard"
+  }
+}

package.json

@@ -3,14 +3,18 @@
   "type": "module",
   "version": "0.6.5",
   "files": [
-    "dist"
+    "dist",
+    "locales"
   ],
   "module": "./dist/omorphia.js",
   "exports": {
     ".": {
       "types": "./dist/index.d.ts",
       "import": "./dist/omorphia.js"
     },
+    "./locales/*": {
+      "import": "./locales/*"
+    },
     "./dist/style.css": "./dist/style.css"
   },
   "scripts": {
@@ -20,7 +24,8 @@
     "fix": "eslint --fix --ext .js,.vue,.ts,.jsx,.tsx,.html,.vue . && prettier --write .",
     "docs:dev": "vitepress dev docs",
     "docs:build": "vitepress build docs",
-    "docs:preview": "vitepress preview docs"
+    "docs:preview": "vitepress preview docs",
+    "intl:extract": "formatjs extract \"lib/**/*.{vue,ts,tsx,js,jsx,mts,cts,mjs,cjs}\" --ignore \"lib/**/*.d.ts\" --out-file locales/en-US/index.json --preserve-whitespace"
   },
   "dependencies": {
     "@codemirror/commands": "^6.3.0",
@@ -40,13 +45,18 @@
     "xss": "^1.0.14"
   },
   "devDependencies": {
+    "@formatjs/cli": "^6.2.1",
+    "@rollup/plugin-virtual": "^3.0.2",
     "@typescript-eslint/eslint-plugin": "^6.7.4",
     "@typescript-eslint/parser": "^6.7.4",
+    "@vintl/unplugin": "^1.5.1",
+    "@vintl/vintl": "^4.3.0",
     "@vitejs/plugin-vue": "^4.2.3",
     "eslint": "^8.41.0",
     "eslint-config-prettier": "^8.8.0",
     "eslint-plugin-prettier": "^4.2.1",
     "eslint-plugin-vue": "^9.14.1",
+    "glob": "^10.3.10",
     "postcss": "^8.4.31",
     "postcss-prefix-selector": "^1.16.0",
     "prettier": "^2.8.8",