refactor: update

.gitignore

@@ -2,4 +2,5 @@ node_modules
 build
 .vscode
 *.log
-.nyc_output
+.nyc_output
+.DS_Store

package.json

@@ -14,6 +14,7 @@
     "babylon": "^6.18.0"
   },
   "devDependencies": {
+    "@axetroy/libpack": "^0.6.4",
     "@types/babel-core": "^6.25.3",
     "@types/node": "^9.4.6",
     "ava": "^0.25.0",

src/evaluate.ts

@@ -5,17 +5,14 @@ import {
   ErrDuplicateDeclard,
   ErrUnexpectedToken
 } from "./error";
-import {EvaluateFunc} from "./type";
 import {Scope, ScopeVar, Kind} from "./scope";
 import {
   _classCallCheck,
   _createClass,
   _possibleConstructorReturn,
   _inherits,
-  _extends,
   _toConsumableArray
 } from "./runtime";
-import {debug} from "util";
 
 const BREAK_SINGAL: {} = {};
 const CONTINUE_SINGAL: {} = {};
@@ -221,7 +218,7 @@ const evaluate_map = {
   ForStatement(node: types.ForStatement, scope: Scope) {
     for (
       const new_scope = scope.$child("loop"),
-        init_val = node.init ? evaluate(node.init, new_scope) : null;
+        _ = node.init ? evaluate(node.init, new_scope) : null;
       node.test ? evaluate(node.test, new_scope) : true;
       node.update ? evaluate(node.update, new_scope) : void 0
     ) {
@@ -380,9 +377,6 @@ const evaluate_map = {
     return this_val ? this_val.$get() : null;
   },
   ArrayExpression(node: types.ArrayExpression, scope: Scope) {
-    const gotSpreadElement: boolean = !!node.elements.find(v =>
-      types.isSpreadElement(v)
-    );
     let newArray: any[] = [];
     node.elements.forEach(item => {
       if (types.isSpreadElement(item)) {
@@ -782,6 +776,8 @@ const evaluate_map = {
   }
 };
 
+export type EvaluateFunc = (node: types.Node, scope: Scope, arg?: any) => any;
+
 export default function evaluate(
   node: types.Node,
   scope: Scope,

test/ArrayExpression.test.ts

@@ -1,5 +1,4 @@
 import test from "ava";
-import * as fs from "fs";
 
 import vm from "../src/vm";
 

test/ArrowFunctionExpression.test.ts

@@ -1,6 +1,4 @@
 import test from "ava";
-import * as fs from "fs";
-
 import vm from "../src/vm";
 
 test("ArrowFunctionExpression-1", t => {

test/ClassDeclaration.test.ts

@@ -1,6 +1,4 @@
 import test from "ava";
-import * as fs from "fs";
-
 import vm from "../src/vm";
 
 test("ClassDeclaration-contructor", t => {
@@ -120,7 +118,7 @@ module.exports = People;
 test("ClassDeclaration-extends", t => {
   const sandbox: any = vm.createContext({});
 
-  const {Life, People} = vm.runInContext(
+  const {People} = vm.runInContext(
     `
 class Life{
   eat(){

test/ConditionalExpression.test.ts

@@ -1,6 +1,4 @@
 import test from "ava";
-import * as fs from "fs";
-
 import vm from "../src/vm";
 
 test("ConditionalExpression-1", t => {

test/DoWhileStatement.test.ts

@@ -1,6 +1,4 @@
 import test from "ava";
-import * as fs from "fs";
-
 import vm from "../src/vm";
 
 test("DoWhileStatement-1", t => {

test/ForInStatement.test.ts

@@ -1,6 +1,4 @@
 import test from "ava";
-import * as fs from "fs";
-
 import vm from "../src/vm";
 
 test("ForInStatement-1", t => {

test/ForStatement.test.ts

@@ -1,6 +1,4 @@
 import test from "ava";
-import * as fs from "fs";
-
 import vm from "../src/vm";
 
 test("ForStatement-1", t => {

test/FunctionExpression.test.ts

@@ -1,6 +1,4 @@
 import test from "ava";
-import * as fs from "fs";
-
 import vm from "../src/vm";
 
 test("FunctionExpression-1", t => {

test/Hoisting.test.ts

@@ -1,5 +1,4 @@
 import test from "ava";
-
 import vm from "../src/vm";
 import {ErrNotDefined} from "../src/error";
 

test/IfStatement.test.ts

@@ -1,6 +1,4 @@
 import test from "ava";
-import * as fs from "fs";
-
 import vm from "../src/vm";
 
 test("IfStatement-1", t => {

test/LogicalExpression.test.ts

@@ -1,6 +1,4 @@
 import test from "ava";
-import * as fs from "fs";
-
 import vm from "../src/vm";
 
 test("LogicalExpression-or-1", t => {

test/NewExpression.test.ts

@@ -1,6 +1,4 @@
 import test from "ava";
-import * as fs from "fs";
-
 import vm from "../src/vm";
 
 test("NewExpression", t => {

test/ObjectDestructuringExpression.test.ts

@@ -1,6 +1,4 @@
 import test from "ava";
-import * as fs from "fs";
-
 import vm from "../src/vm";
 
 test("ObjectDestructuringExpression-object", t => {

test/ObjectExpression.test.ts

@@ -1,6 +1,4 @@
 import test from "ava";
-import * as fs from "fs";
-
 import vm from "../src/vm";
 
 test("ObjectExpression", t => {

test/RegExpLiteral.test.ts

@@ -1,6 +1,4 @@
 import test from "ava";
-import * as fs from "fs";
-
 import vm from "../src/vm";
 
 test("RegExpLiteral", t => {

test/SpreadElement.test.ts

@@ -1,6 +1,4 @@
 import test from "ava";
-import * as fs from "fs";
-
 import vm from "../src/vm";
 
 test("SpreadElement-1", t => {

test/SwitchStatement.test.ts

@@ -1,6 +1,4 @@
 import test from "ava";
-import * as fs from "fs";
-
 import vm from "../src/vm";
 
 test("SwitchStatement", t => {

test/TemplateLiteral.test.ts

@@ -1,6 +1,4 @@
 import test from "ava";
-import * as fs from "fs";
-
 import vm from "../src/vm";
 
 test("TemplateLiteral-1", t => {

test/ThisExpression.test.ts

@@ -1,6 +1,4 @@
 import test from "ava";
-import * as fs from "fs";
-
 import vm from "../src/vm";
 
 test("ThisExpression", t => {

test/TryStatement.test.ts

@@ -1,6 +1,4 @@
 import test from "ava";
-import * as fs from "fs";
-
 import vm from "../src/vm";
 
 test("TryStatement", t => {

test/UnaryExpression.test.ts

@@ -1,6 +1,4 @@
 import test from "ava";
-import * as fs from "fs";
-
 import vm from "../src/vm";
 
 test("UnaryExpression-typeof", t => {

test/WhileStatement.test.ts

@@ -1,6 +1,4 @@
 import test from "ava";
-import * as fs from "fs";
-
 import vm from "../src/vm";
 
 test("WhileStatement-1", t => {