babel-plugin-import-ivuel
v1.8.0
Published
Component modular import plugin for babel.
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babel-plugin-import
Modular import plugin for babel, compatible with antd, antd-mobile, and so on.
Why babel-plugin-import
Where to add babel-plugin-import
Example
{ "libraryName": "antd" }
import { Button } from 'antd';
ReactDOM.render(<Button>xxxx</Button>);
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var _button = require('antd/lib/button');
ReactDOM.render(<_button>xxxx</_button>);
{ "libraryName": "antd", style: "css" }
import { Button } from 'antd';
ReactDOM.render(<Button>xxxx</Button>);
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var _button = require('antd/lib/button');
require('antd/lib/button/style/css');
ReactDOM.render(<_button>xxxx</_button>);
{ "libraryName": "antd", style: true }
import { Button } from 'antd';
ReactDOM.render(<Button>xxxx</Button>);
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var _button = require('antd/lib/button');
require('antd/lib/button/style');
ReactDOM.render(<_button>xxxx</_button>);
Note : with style: true
css source files are imported and optimizations can be done during compilation time. With style: "css"
, pre bundled css files are imported as they are.
style: true
can reduce the bundle size significantly, depending on your usage of the library.
Usage
npm install babel-plugin-import --save-dev
Via .babelrc
or babel-loader.
{
"plugins": [["import", options]]
}
options
options
can be object.
{
"libraryName": "antd",
"style": true, // or 'css'
}
{
"libraryName": "lodash",
"libraryDirectory": "",
"camel2DashComponentName": false, // default: true
}
{
"libraryName": "material-ui",
"libraryDirectory": "components", // default: lib
"camel2DashComponentName": false, // default: true
}
~options
can be an array.~ It's not available in babel@7+
For Example:
[
{
"libraryName": "antd",
"libraryDirectory": "lib", // default: lib
"style": true
},
{
"libraryName": "antd-mobile"
},
]
Options
can't be an array in babel@7+, but you can add plugins with name to support multiple dependencies.
For Example:
// .babelrc
"plugins": [
["import", { "libraryName": "antd", "libraryDirectory": "lib"}, "ant"],
["import", { "libraryName": "ant-mobile", "libraryDirectory": "lib"}, "ant-mobile"]
]
style
["import", { "libraryName": "antd" }]
: import js modularly["import", { "libraryName": "antd", "style": true }]
: import js and css modularly (LESS/Sass source files)["import", { "libraryName": "antd", "style": "css" }]
: import js and css modularly (css built files)
If option style is a Function
, babel-plugin-import
will auto import the file which filepath equal to the function return value. This is useful for the components library developers.
e.g.
["import", { "libraryName": "antd", "style": (name) => `${name}/style/2x` }]
: import js and css modularly & css file path isComponentName/style/2x
If a component has no style, you can use the style
function to return a false
and the style will be ignored.
e.g.
[
"import",
{
"libraryName": "antd",
"style": (name: string, file: Object) => {
if(name === 'antd/lib/utils'){
return false;
}
return `${name}/style/2x`;
}
}
]
customName
We can use customName
to customize import file path.
For example, the default behavior:
import { TimePicker } from "antd"
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var _button = require('antd/lib/time-picker');
You can set camel2DashComponentName
to false
to disable transfer from camel to dash:
import { TimePicker } from "antd"
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var _button = require('antd/lib/TimePicker');
And finally, you can use customName
to customize each name parsing:
[
"import",
{
"libraryName": "antd",
"customName": (name: string) => {
if (name === 'TimePicker'){
return 'antd/lib/custom-time-picker';
}
return `antd/lib/${name}`;
}
}
]
So this result is:
import { TimePicker } from "antd"
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var _button = require('antd/lib/custom-time-picker');
Note
babel-plugin-import will not work properly if you add the library to the webpack config vendor.