refactor: support es6 & fix lint

.eslintignore

@@ -1,7 +1,6 @@
 **/.*
 **/node_modules
 **/build
-**/test
 **/wd/doc
 **/logs
 **/theme

.eslintrc.js

@@ -0,0 +1,35 @@
+module.exports = {
+    root: true,
+    extends: 'eslint-config-egg/typescript',
+    globals: {
+        window: true,
+    },
+    rules: {
+        'jsdoc/check-tag-names': 0,
+        'valid-jsdoc': 0,
+        'no-script-url': 0,
+        'no-multi-spaces': 0,
+        'default-case': 0,
+        'no-case-declarations': 0,
+        'one-var-declaration-per-line': 0,
+        'no-restricted-syntax': 0,
+        'jsdoc/require-param': 0,
+        'jsdoc/check-param-names': 0,
+        'jsdoc/require-param-description': 0,
+        'jsdoc/require-returns-description': 0,
+        'arrow-parens': 0,
+        'prefer-promise-reject-errors': 0,
+        'no-control-regex': 0,
+        'no-use-before-define': 0,
+        'array-callback-return': 0,
+        'no-bitwise': 0,
+        'no-self-compare': 0,
+        '@typescript-eslint/no-var-requires': 0,
+        '@typescript-eslint/ban-ts-ignore': 0,
+        '@typescript-eslint/no-use-before-define': 0,
+        '@typescript-eslint/no-this-alias': 0,
+        'one-var': 0,
+        'no-sparse-arrays': 0,
+        'no-useless-concat': 0,
+    },
+};

lib/helper/assert.js

@@ -1,4 +1,4 @@
-'use strict';
+
 
 const { assert } = require('chai');
 
@@ -13,7 +13,7 @@ module.exports = wd => {
    * @summary Support: Web(WebView)
    * @param {string} text content.
    * @type assert
-   * @returns {Promise.<boolean>}
+   * @return {Promise.<boolean>}
    */
   wd.addElementPromiseChainMethod('hasText', function(...texts) {
     return this.text().then(shouldContains(...texts));
@@ -25,7 +25,7 @@ module.exports = wd => {
    * @summary Support: Web(WebView)
    * @param {string} text content.
    * @type assert
-   * @returns {Promise.<boolean>}
+   * @return {Promise.<boolean>}
    */
   wd.addPromiseChainMethod('hasElementByCss', function(cssSelector) {
     return this.elementByCssIfExists(cssSelector).then(d => {
@@ -41,13 +41,13 @@ module.exports = wd => {
    * @summary Support: Web(WebView)
    * @param {string} title - title of the web page.
    * @type assert
-   * @returns {Promise.<boolean>}
+   * @return {Promise.<boolean>}
    */
   wd.addPromiseChainMethod('assertTitle', function(title) {
     return this.title().then(realTitle => {
       assert(
         title === realTitle,
-        `expect title to be '${title}' but got ${realTitle}`
+        `expect title to be '${title}' but got ${realTitle}`,
       );
     });
   });
@@ -59,15 +59,15 @@ module.exports = wd => {
    * @param {string} attribute - attribute's name.
    * @param {string} value - expected value.
    * @type assert
-   * @returns {Promise.<boolean>}
+   * @return {Promise.<boolean>}
    */
   wd.addPromiseChainMethod('assertAttribute', function(attribute, value) {
     return this.execute(
-      `return window.__macaca_current_element.getAttribute('${attribute}')`
+      `return window.__macaca_current_element.getAttribute('${attribute}')`,
     ).then(realValue => {
       assert(
         value === realValue,
-        `expect attribute ${attribute} to be '${value}' but got '${realValue}'`
+        `expect attribute ${attribute} to be '${value}' but got '${realValue}'`,
       );
     });
   });

lib/helper/coverage.js

@@ -1,4 +1,4 @@
-'use strict';
+
 
 const fs = require('fs');
 const path = require('path');
@@ -13,7 +13,7 @@ program
 const xlogger = require('xlogger');
 
 const logger = xlogger.Logger({
-  closeFile: true
+  closeFile: true,
 });
 
 const cwd = process.cwd();
@@ -24,9 +24,9 @@ module.exports = wd => {
    * @function coverage
    * @summary Support: Web(WebView)
    * @type utility
-   * @returns {Promise.<boolean>}
+   * @return {Promise.<boolean>}
    */
-  wd.addPromiseChainMethod('coverage', function(context) {
+  wd.addPromiseChainMethod('coverage', function() {
     const tempDir = path.join(cwd, 'coverage', '.temp');
     _.mkdir(tempDir);
     return this.execute('return window.__coverage__')