[type] add type definition (#590)

tsconfig.json

@@ -1,8 +1,13 @@
 {
   "compilerOptions": {
+    "baseUrl": ".",
     "module": "commonjs",
     "removeComments": true,
+    "noImplicitThis": true,
     "noImplicitUseStrict": true
   },
-  "files": ["packages/**/*"]
+  "include": [
+    "types/**/*",
+    "packages/**/*"
+  ]
 }

types/index.d.ts

@@ -0,0 +1,23 @@
+type Mixins = any[];
+type Relations = object;
+type ExternalClasses = string[];
+
+export interface Vue {
+  $emit(name: string, detail?: any): void;
+}
+
+export type VantComponentOptions<Props, Data, Methods> = {
+  data?: Data;
+  props?: Props;
+  field?: boolean;
+  mixins?: Mixins;
+  relations?: Relations;
+  classes?: ExternalClasses;
+  methods?: Methods & ThisType<Vue & Weapp.Component & { data: Data & Props } & Methods>;
+
+  // lifetimes
+  beforeCreate?: () => void;
+  created?: () => void;
+  mounted?: () => void;
+  destroyed?: () => void;
+}

types/weapp.d.ts

@@ -0,0 +1,38 @@
+declare function Component(options: any): void;
+
+declare namespace Weapp {
+  interface Component {
+    getRelationNodes(selector: string): any[];
+    setData(data: any, callback?: Function): void;
+  }
+
+  interface Target {
+    id: string;
+    tagName: string;
+    dataset: any;
+  }
+
+  interface Event {
+    type: string;
+    timeStamp: number;
+    target: Target;
+    currentTarget: Target;
+  }
+
+  interface Touch {
+    identifier: number;
+    pageX: number;
+    pageY: number;
+    clientX: number;
+    clientY: number;
+  }
+
+  interface TouchEvent extends Event {
+    touches: Array<Touch>;
+    changedTouches: Array<Touch>;
+  }
+
+  interface CustomEvent extends Event {
+    detail: any;
+  }
+}