feat: call; add jest coverage

package.json

@@ -9,7 +9,7 @@
   "description": "Awesome code implementation for Javascript",
   "main": "index.js",
   "scripts": {
-    "test": "jest",
+    "test": "jest --coverage",
     "lint-staged": "lint-staged",
     "lint-staged:ts": "tslint -c ./tslint.json src/**/**.ts",
     "changelog": "conventional-changelog -p angular -i CHANGELOG.md -s -r 0"

src/call/README.md

@@ -0,0 +1 @@
+### 原理

src/call/__tests__.ts

@@ -0,0 +1,25 @@
+/*
+ * @Author: Rainy
+ * @Date: 2019-11-14 19:25:01
+ * @LastEditors: Rainy
+ * @LastEditTime: 2019-11-20 19:26:53
+ */
+
+import '.';
+
+function bar(name: string, age: number): object {
+    return {
+        name,
+        age
+    }
+}
+
+const callExpect1 = {
+    name: 'Rain120',
+    age: 23
+}
+
+test('bar call should callExpect1', () => {
+    // @ts-ignore
+    expect(bar._call(this, 'Rain120', 23)).toEqual(callExpect1);
+});

src/call/index.ts

@@ -0,0 +1,16 @@
+/*
+ * @Author: Rainy
+ * @Date: 2019-11-14 19:25:01
+ * @LastEditors: Rainy
+ * @LastEditTime: 2019-11-18 20:01:11
+ */
+
+type ObjectMap<V> = {
+  [name: string]: V;
+};
+
+// @ts-ignore
+Function.prototype._call = function(context: ObjectMap<any>, ...arg: any): any {
+  context.fn = this;
+  return context.fn(...arg);
+};

tslint.json

@@ -79,6 +79,7 @@
         }
       ],
       "use-isnan": true,
+      "interface-over-type-literal": false,
       "variable-name": [true, "allow-leading-underscore", "ban-keywords", "check-format", "allow-pascal-case"],
       "whitespace": [
         true,