Attempt on typings.

package-lock.json

@@ -7574,9 +7574,9 @@
       }
     },
     "mocha": {
-      "version": "4.1.0",
+      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/mocha/-/mocha-4.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/mocha/-/mocha-5.0.0.tgz",
-      "integrity": "sha512-0RVnjg1HJsXY2YFDoTNzcc1NKhYuXKRrBAG2gDygmJJA136Cs2QlRliZG1mA0ap7cuaT30mw16luAeln+4RiNA==",
+      "integrity": "sha512-ukB2dF+u4aeJjc6IGtPNnJXfeby5d4ZqySlIBT0OEyva/DrMjVm5HkQxKnHDLKEfEQBsEnwTg9HHhtPHJdTd8w==",
       "dev": true,
       "requires": {
         "browser-stdout": "1.3.0",

package.json

@@ -96,6 +96,7 @@
   ],
   "license": "MIT",
   "main": "lib/vue-meta.js",
+  "typings": "types/index.d.ts",
   "nyc": {
     "exclude": [
       "test/**/*.js"

types/index.d.ts

@@ -0,0 +1,62 @@
+import Vue, { ComponentOptions } from 'vue'
+import { PluginFunction } from 'vue/types/plugin';
+
+import './vue';
+
+/**
+ * Installation function
+ *
+ * @param {Vue} Vue - the Vue constructor.
+ * @param {{
+ *   keyName: string, // the component option name that vue-meta looks for meta info on.
+ *   attribute: string, // the attribute name vue-meta adds to the tags it observes
+ *   ssrAttribute: string, // the attribute name that lets vue-meta know that meta info has already been server-rendered
+ *   tagIDKeyName: string // the property name that vue-meta uses to determine whether to overwrite or append a tag
+ * }} options
+ */
+declare const Meta: PluginFunction<{
+  keyName: string, // the component option name that vue-meta looks for meta info on.
+  attribute: string, // the attribute name vue-meta adds to the tags it observes
+  ssrAttribute: string, // the attribute name that lets vue-meta know that meta info has already been server-rendered
+  tagIDKeyName: string // the property name that vue-meta uses to determine whether to overwrite or append a tag
+}>;
+
+export default Meta;
+
+export interface MetaInfo {
+  title?: string
+  titleTemplate?: string | ((titleChunk: string) => string)
+  htmlAttrs?: { [key: string]: string }
+  bodyAttrs?: { [key: string]: string }
+  base?: { target: string, href: string }
+
+  meta?: {
+    vmid?: string,
+    charset?: string,
+    content?: string,
+    'http-equiv'?: 'content-security-policy' | 'refresh',
+    name?: 'application-name'
+      | 'author'
+      | 'description'
+      | 'generator'
+      | 'keywords'
+      | 'referrer'
+      | 'creator'
+      | 'googlebot'
+      | 'publisher'
+      | 'robots'
+      | 'slurp'
+      | 'viewport',
+      [key: string]: any
+  }[]
+
+  link?: { rel: string, href: string, [key: string]: any }[]
+  style?: { cssText: string, type: string, [key: string]: any }[]
+  script?: { innerHTML: string, type: string, [key: string]: any }[]
+  noscript?: { innerHTML: string, [key: string]: any }[]
+
+  __dangerouslyDisableSanitizers?: string[]
+  __dangerouslyDisableSanitizersByTagID?: string[]
+
+  changed?: <T extends object>(newInfo: T, addedTags: HTMLElement[], removedTags: HTMLElement[]) => void
+}

types/vue.d.ts

@@ -0,0 +1,18 @@
+/**
+ * Augment the typings of Vue.js
+ */
+
+import Vue, { ComponentOptions } from "vue";
+import { MetaInfo } from './index';
+
+declare module "vue/types/options" {
+  interface ComponentOptions<V extends Vue> {
+    metaInfo?: MetaInfo | (() => MetaInfo);
+  }
+}
+
+declare module "vue/types/vue" {
+  interface Vue {
+    metaInfo?: MetaInfo | (() => MetaInfo);
+  }
+}