upgrade dep (#575)

Author: undefined-moe

.eslintrc.js

@@ -0,0 +1,22 @@
+module.exports = {
+  root: true,
+  env: {
+    commonjs: true,
+    es2020: true,
+    node: true,
+  },
+  extends: [
+    'airbnb-base',
+  ],
+  parserOptions: {
+    ecmaVersion: 11,
+  },
+  rules: {
+    'import/no-extraneous-dependencies': 'off',
+    'func-names': 'off',
+    'no-console': 'off',
+    'no-param-reassign': 'off',
+    'no-underscore-dangle': 'off',
+    'no-continue': 'off',
+  },
+};

.travis.yml

@@ -7,18 +7,24 @@ language: python
 python:
 - 3.5
 - 3.6
+before_install:
+- curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.35.3/install.sh | bash
+- source ~/.nvm/nvm.sh
+- nvm install 10
+- node --version
+- npm i yarn -g
 install:
 - pip install -r requirements.txt
-- npm install
+- yarn
 script:
-- npm run build:production
+- yarn build:production
 - python -m unittest
 before_cache:
 - rm -f $HOME/.cache/pip/log/debug.log
 cache:
+  yarn: true
   directories:
   - "$HOME/.cache/pip"
-  - node_modules
 before_deploy:
 - tar -cJf uibuild.tar.xz vj4/.uibuild vj4/constant
 deploy:

README.md

@@ -45,7 +45,7 @@ There is pre-built docker package at `vijos/vj4`. This is maintained by [@moesoh
 
 * [Python 3.5.3+](https://www.python.org/downloads/)
 * [MongoDB 3.0+](https://docs.mongodb.org/manual/installation/)
-* [Node.js 6.0+](https://nodejs.org/en/download/package-manager/)
+* [Node.js 10.0+](https://nodejs.org/en/download/package-manager/)
 * [RabbitMQ](http://www.rabbitmq.com/)
 
 #### Install requirements
@@ -54,13 +54,12 @@ In the root of the repository, where `requirements.txt` and `package.json` locat
 
 ```bash
 python3 -m pip install -r requirements.txt
-npm install   # cnpm install
+yarn
 ```
 
-You don't need root privilege to run `npm install`. It installs stuffs in the project directory. We recommend using Node 8.
+You don't need root privilege to run `yarn`. It installs stuffs in the project directory. We recommend using Node 10.
 
-You may want to use [cnpm](https://npm.taobao.org/) and [tuna](https://pypi.tuna.tsinghua.edu.cn/)
-if you are in China. Make sure to use `cnpm` by adding `alias` to `npm` instead of installing cnpm cli-tool.
+You may want to use [tuna](https://pypi.tuna.tsinghua.edu.cn/) if you are in China.
 
 Some requirements may need `Python.h`. In Debian/Ubuntu you can use
 
@@ -81,7 +80,7 @@ You may also want to install [libmaxminddb](https://github.com/maxmind/libmaxmin
 In the root of the repository:
 
 ```bash
-npm run build   # or: npm run build:watch
+yarn build   # or: yarn build:watch
 python3 -m vj4.server --debug
 ```
 
@@ -108,15 +107,15 @@ pm vj4.job.rank run_all
 Frontend source codes can be recompiled automatically by running:
 
 ```bash
-npm run build:watch
+yarn build:watch
 ```
 
 However you need to manually restart the server for server-side code to take effect.
 
 ## Production
 
 ```bash
-npm run build:production
+yarn build:production
 python3 -m vj4.server --listen=unix:/var/run/vj4.sock
 ```