flow 安装

flow 安装"/>

flow 安装

npm安装编辑器

npm install --save-dev babel-preset-flow

然后在项目的根目录下创建**.babelrc**文件 并在里面写入 “presets”:["flow]

{"presets":["flow]
}

安装flow

npm install --save-dev flow-bin

添加"flow"在package.json文件下的scripts字段里

{"name": "my-flow-project","version": "1.0.0","devDependencies": {"flow-bin": "^0.98.0"},"scripts": {"flow": "flow"}
}

初始化flow

npm run flow init

> my-flow-project@1.0.0 flow /Users/Projects/my-flow-project
> flow "init"

运行flow

npm run flow

> my-flow-project@1.0.0 flow /Users/Projects/my-flow-project
> flowNo errors!

测试

// @flow
function test(n: number){var num = 3;return num + n
}
test("ceshi");

启动flow 查看运行状态

npm run flow status

关闭flow

npm run flow stop