message: {{ t('hello') }}
\r\n * \r\n *\r\n * \r\n * ```\r\n *\r\n * @VueI18nComposition\r\n */\r\nfunction useI18n(options = {}) {\r\n const instance = vue.getCurrentInstance();\r\n if (instance == null) {\r\n throw createI18nError(16 /* MUST_BE_CALL_SETUP_TOP */);\r\n }\r\n if (!instance.appContext.app.__VUE_I18N_SYMBOL__) {\r\n throw createI18nError(17 /* NOT_INSLALLED */);\r\n }\r\n const i18n = vue.inject(instance.appContext.app.__VUE_I18N_SYMBOL__);\r\n /* istanbul ignore if */\r\n if (!i18n) {\r\n throw createI18nError(22 /* UNEXPECTED_ERROR */);\r\n }\r\n // prettier-ignore\r\n const global = i18n.mode === 'composition'\r\n ? i18n.global\r\n : i18n.global.__composer;\r\n // prettier-ignore\r\n const scope = shared.isEmptyObject(options)\r\n ? ('__i18n' in instance.type)\r\n ? 'local'\r\n : 'global'\r\n : !options.useScope\r\n ? 'local'\r\n : options.useScope;\r\n if (scope === 'global') {\r\n let messages = shared.isObject(options.messages) ? options.messages : {};\r\n if ('__i18nGlobal' in instance.type) {\r\n messages = getLocaleMessages(global.locale.value, {\r\n messages,\r\n __i18n: instance.type.__i18nGlobal\r\n });\r\n }\r\n // merge locale messages\r\n const locales = Object.keys(messages);\r\n if (locales.length) {\r\n locales.forEach(locale => {\r\n global.mergeLocaleMessage(locale, messages[locale]);\r\n });\r\n }\r\n // merge datetime formats\r\n if (shared.isObject(options.datetimeFormats)) {\r\n const locales = Object.keys(options.datetimeFormats);\r\n if (locales.length) {\r\n locales.forEach(locale => {\r\n global.mergeDateTimeFormat(locale, options.datetimeFormats[locale]);\r\n });\r\n }\r\n }\r\n // merge number formats\r\n if (shared.isObject(options.numberFormats)) {\r\n const locales = Object.keys(options.numberFormats);\r\n if (locales.length) {\r\n locales.forEach(locale => {\r\n global.mergeNumberFormat(locale, options.numberFormats[locale]);\r\n });\r\n }\r\n }\r\n return global;\r\n }\r\n if (scope === 'parent') {\r\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n let composer = getComposer(i18n, instance, options.__useComponent);\r\n if (composer == null) {\r\n composer = global;\r\n }\r\n return composer;\r\n }\r\n // scope 'local' case\r\n if (i18n.mode === 'legacy') {\r\n throw createI18nError(18 /* NOT_AVAILABLE_IN_LEGACY_MODE */);\r\n }\r\n const i18nInternal = i18n;\r\n let composer = i18nInternal.__getInstance(instance);\r\n if (composer == null) {\r\n const type = instance.type;\r\n const composerOptions = shared.assign({}, options);\r\n if (type.__i18n) {\r\n composerOptions.__i18n = type.__i18n;\r\n }\r\n if (global) {\r\n composerOptions.__root = global;\r\n }\r\n composer = createComposer(composerOptions);\r\n setupLifeCycle(i18nInternal, instance);\r\n i18nInternal.__setInstance(instance, composer);\r\n }\r\n return composer;\r\n}\r\nfunction getComposer(i18n, target, useComponent = false) {\r\n let composer = null;\r\n const root = target.root;\r\n let current = target.parent;\r\n while (current != null) {\r\n const i18nInternal = i18n;\r\n if (i18n.mode === 'composition') {\r\n composer = i18nInternal.__getInstance(current);\r\n }\r\n else {\r\n const vueI18n = i18nInternal.__getInstance(current);\r\n if (vueI18n != null) {\r\n composer = vueI18n\r\n .__composer;\r\n }\r\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n if (useComponent && composer && !composer[InejctWithOption]) {\r\n composer = null;\r\n }\r\n }\r\n if (composer != null) {\r\n break;\r\n }\r\n if (root === current) {\r\n break;\r\n }\r\n current = current.parent;\r\n }\r\n return composer;\r\n}\r\nfunction setupLifeCycle(i18n, target, composer) {\r\n vue.onMounted(() => {\r\n }, target);\r\n vue.onUnmounted(() => {\r\n i18n.__deleteInstance(target);\r\n }, target);\r\n}\r\nconst globalExportProps = [\r\n 'locale',\r\n 'fallbackLocale',\r\n 'availableLocales'\r\n];\r\nconst globalExportMethods = ['t', 'rt', 'd', 'n', 'tm'];\r\nfunction injectGlobalFields(app, composer) {\r\n const i18n = Object.create(null);\r\n globalExportProps.forEach(prop => {\r\n const desc = Object.getOwnPropertyDescriptor(composer, prop);\r\n if (!desc) {\r\n throw createI18nError(22 /* UNEXPECTED_ERROR */);\r\n }\r\n const wrap = vue.isRef(desc.value) // check computed props\r\n ? {\r\n get() {\r\n return desc.value.value;\r\n },\r\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n set(val) {\r\n desc.value.value = val;\r\n }\r\n }\r\n : {\r\n get() {\r\n return desc.get && desc.get();\r\n }\r\n };\r\n Object.defineProperty(i18n, prop, wrap);\r\n });\r\n app.config.globalProperties.$i18n = i18n;\r\n globalExportMethods.forEach(method => {\r\n const desc = Object.getOwnPropertyDescriptor(composer, method);\r\n if (!desc || !desc.value) {\r\n throw createI18nError(22 /* UNEXPECTED_ERROR */);\r\n }\r\n Object.defineProperty(app.config.globalProperties, `$${method}`, desc);\r\n });\r\n}\n\n// register message compiler at vue-i18n\r\ncoreBase.registerMessageCompiler(coreBase.compileToFunction);\n\nexports.DatetimeFormat = DatetimeFormat;\nexports.NumberFormat = NumberFormat;\nexports.Translation = Translation;\nexports.VERSION = VERSION;\nexports.createI18n = createI18n;\nexports.useI18n = useI18n;\nexports.vTDirective = vTDirective;\n"],"sourceRoot":""}