116 lines
1.8 KiB
Markdown
116 lines
1.8 KiB
Markdown
# babel-plugin-transform-react-jsx
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> Turn JSX into React function calls
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## Example
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### React
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**In**
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```javascript
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var profile = <div>
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<img src="avatar.png" className="profile" />
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<h3>{[user.firstName, user.lastName].join(' ')}</h3>
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</div>;
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```
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**Out**
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```javascript
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var profile = React.createElement("div", null,
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React.createElement("img", { src: "avatar.png", className: "profile" }),
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React.createElement("h3", null, [user.firstName, user.lastName].join(" "))
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);
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```
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### Custom
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**In**
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```javascript
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/** @jsx dom */
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var { dom } = require("deku");
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var profile = <div>
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<img src="avatar.png" className="profile" />
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<h3>{[user.firstName, user.lastName].join(' ')}</h3>
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</div>;
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```
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**Out**
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```javascript
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/** @jsx dom */
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var dom = require("deku").dom;
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var profile = dom( "div", null,
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dom("img", { src: "avatar.png", className: "profile" }),
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dom("h3", null, [user.firstName, user.lastName].join(" "))
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);
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```
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## Installation
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```sh
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npm install --save-dev babel-plugin-transform-react-jsx
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```
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## Usage
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### Via `.babelrc` (Recommended)
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**.babelrc**
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Without options:
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```json
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{
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"plugins": ["transform-react-jsx"]
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}
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```
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With options:
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```json
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{
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"plugins": [
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["transform-react-jsx", {
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"pragma": "dom" // default pragma is React.createElement
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}]
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]
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}
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```
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### Via CLI
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```sh
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babel --plugins transform-react-jsx script.js
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```
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### Via Node API
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```javascript
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require("babel-core").transform("code", {
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plugins: ["transform-react-jsx"]
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});
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```
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## Options
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### `pragma`
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`string`, defaults to `React.createElement`.
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Replace the function used when compiling JSX expressions.
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Note that the `@jsx React.DOM` pragma has been deprecated as of React v0.12
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### `useBuiltIns`
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`boolean`, defaults to `false`.
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When spreading props, use `Object.assign` directly instead of Babel's extend helper.
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