chore: add typings, add files field to package.json

Author: woothu

package.json

@@ -4,6 +4,13 @@
   "version": "1.0.0-alpha.2",
   "license": "MIT",
   "main": "dist/coreui-vue-chartjs.common.js",
+  "types": "src/index.d.ts",
+  "files": [
+    "src",
+    "dist",
+    "babel.config.js",
+    "vue.config.js"
+  ],
   "scripts": {
     "build": "vue-cli-service build --target lib --name coreui-vue-chartjs ./src/index.js",
     "lint": "vue-cli-service lint",

src/index.d.ts

@@ -0,0 +1,24 @@
+import Vue from 'vue'
+
+export declare class CChart extends Vue {
+  datasets: Array<object>
+  labels: [string, Array<string>]
+  options: object
+  plugins: Array<any>
+  src: string
+}
+
+export declare class CChartBar extends CChart {}
+export declare class CChartLine extends CChart {}
+export declare class CChartDoughnut extends CChart {}
+export declare class CChartRadar extends CChart {}
+export declare class CChartPie extends CChart {}
+export declare class CChartPolarArea extends CChart {}
+
+import { PluginFunction } from 'vue'
+export interface CoreuiVueChartsPlugin {
+  install: PluginFunction<Function>
+}
+declare const CoreuiVueCharts: CoreuiVueChartsPlugin
+
+export default CoreuiVueCharts