improvement type definition (#77)

* bump up typescript version

* refactoring

* add type definition for plural

* updates

* improve runtime and compiler type definition

* updates

* fix type errors

* update core modules

* update composer type definitions

* update legacy type defintion

* fix lint errors

* extract runtime context for internal

* bump up typescript-eslint

* updates

* bump to vue@rc

* split runtime context

* fix

* fix lint error

* update README

* update api docs

Author: kazupon

README.md

@@ -157,7 +157,7 @@ yarn add vue-i18n@next
   - [x] number function
   - [x] warnHtmlMessage
   - [x] improve translate `args` typing
-  - [ ] improve locale messages typing: `LocaleMessages` / `LocaleMessage` / `LocaleMessageDictiory`
+  - [x] improve locale messages typing: `LocaleMessages` / `LocaleMessage` / `LocaleMessageDictiory`
   - [x] postTranslation context option
 - Composable API: I18n Composer
   - properties

docs/vue-i18n.availabilities.md

@@ -0,0 +1,11 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [vue-i18n](./vue-i18n.md) &gt; [BaseFormatProps](./vue-i18n.baseformatprops.md) &gt; [locale](./vue-i18n.baseformatprops.locale.md)
+
+## BaseFormatProps.locale property
+
+<b>Signature:</b>
+
+```typescript
+locale?: Locale;
+```

docs/vue-i18n.baseformatprops.locale.md

@@ -0,0 +1,20 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [vue-i18n](./vue-i18n.md) &gt; [BaseFormatProps](./vue-i18n.baseformatprops.md)
+
+## BaseFormatProps interface
+
+<b>Signature:</b>
+
+```typescript
+export interface BaseFormatProps 
+```
+
+## Properties
+
+|  Property | Type | Description |
+|  --- | --- | --- |
+|  [locale](./vue-i18n.baseformatprops.locale.md) | <code>Locale</code> |  |
+|  [scope](./vue-i18n.baseformatprops.scope.md) | <code>ComponetI18nScope</code> |  |
+|  [tag](./vue-i18n.baseformatprops.tag.md) | <code>string</code> |  |
+

docs/vue-i18n.baseformatprops.md

@@ -0,0 +1,11 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [vue-i18n](./vue-i18n.md) &gt; [BaseFormatProps](./vue-i18n.baseformatprops.md) &gt; [scope](./vue-i18n.baseformatprops.scope.md)
+
+## BaseFormatProps.scope property
+
+<b>Signature:</b>
+
+```typescript
+scope?: ComponetI18nScope;
+```

docs/vue-i18n.baseformatprops.scope.md

@@ -0,0 +1,11 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [vue-i18n](./vue-i18n.md) &gt; [BaseFormatProps](./vue-i18n.baseformatprops.md) &gt; [tag](./vue-i18n.baseformatprops.tag.md)
+
+## BaseFormatProps.tag property
+
+<b>Signature:</b>
+
+```typescript
+tag?: string;
+```

docs/vue-i18n.baseformatprops.tag.md

@@ -0,0 +1,15 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [vue-i18n](./vue-i18n.md) &gt; [clearCompileCache](./vue-i18n.clearcompilecache.md)
+
+## clearCompileCache() function
+
+<b>Signature:</b>
+
+```typescript
+export declare function clearCompileCache(): void;
+```
+<b>Returns:</b>
+
+`void`
+

docs/vue-i18n.clearcompilecache.md

@@ -0,0 +1,24 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [vue-i18n](./vue-i18n.md) &gt; [clearDateTimeFormat](./vue-i18n.cleardatetimeformat.md)
+
+## clearDateTimeFormat() function
+
+<b>Signature:</b>
+
+```typescript
+export declare function clearDateTimeFormat<DateTimeFormats = {}, Message = string>(ctx: RuntimeDateTimeContext<DateTimeFormats, Message>, locale: Locale, format: DateTimeFormat): void;
+```
+
+## Parameters
+
+|  Parameter | Type | Description |
+|  --- | --- | --- |
+|  ctx | <code>RuntimeDateTimeContext&lt;DateTimeFormats, Message&gt;</code> |  |
+|  locale | <code>Locale</code> |  |
+|  format | <code>DateTimeFormat</code> |  |
+
+<b>Returns:</b>
+
+`void`
+

docs/vue-i18n.cleardatetimeformat.md

@@ -0,0 +1,24 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [vue-i18n](./vue-i18n.md) &gt; [clearNumberFormat](./vue-i18n.clearnumberformat.md)
+
+## clearNumberFormat() function
+
+<b>Signature:</b>
+
+```typescript
+export declare function clearNumberFormat<NumberFormats, Message = string>(ctx: RuntimeNumberContext<NumberFormats, Message>, locale: Locale, format: NumberFormat): void;
+```
+
+## Parameters
+
+|  Parameter | Type | Description |
+|  --- | --- | --- |
+|  ctx | <code>RuntimeNumberContext&lt;NumberFormats, Message&gt;</code> |  |
+|  locale | <code>Locale</code> |  |
+|  format | <code>NumberFormat</code> |  |
+
+<b>Returns:</b>
+
+`void`
+

docs/vue-i18n.clearnumberformat.md

@@ -7,7 +7,7 @@
 <b>Signature:</b>
 
 ```typescript
-export declare function compile(source: string, options?: CompileOptions): MessageFunction;
+export declare function compile<T = string>(source: string, options?: CompileOptions): MessageFunction<T>;
 ```
 
 ## Parameters
@@ -19,5 +19,5 @@ export declare function compile(source: string, options?: CompileOptions): Messa
 
 <b>Returns:</b>
 
-`MessageFunction`
+`MessageFunction<T>`