0879a6d608
* Add Subsume JSON transform https://github.com/tc39/proposal-json-superset is at stage 3. This allows U+2028 LINE SEPARATOR and U+2029 PARAGRAPH SEPARATOR to appear unescaped inside strings and directives. * Move to Stage 3 * Break diretive parsing * Update README * Handle multi-escape sequences * Remove babylon files after rename
55 lines
928 B
Markdown
55 lines
928 B
Markdown
# @babel/plugin-syntax-json-strings
|
||
|
||
Allow parsing of the U+2028 LINE SEPARATOR and U+2029 PARAGRAPH SEPARATOR in JS strings
|
||
|
||
## Examples
|
||
|
||
**In**
|
||
|
||
```js
|
||
const ex = "before
after";
|
||
// ^ There's a U+2028 char between 'before' and 'after'
|
||
```
|
||
|
||
**Out**
|
||
|
||
```js
|
||
const ex = "before\u2028after";
|
||
// ^ There's a U+2028 char between 'before' and 'after'
|
||
```
|
||
|
||
## Installation
|
||
|
||
```sh
|
||
npm install --save-dev @babel/plugin-proposal-json-strings
|
||
```
|
||
|
||
## Usage
|
||
|
||
### Via `.babelrc` (Recommended)
|
||
|
||
**.babelrc**
|
||
|
||
```json
|
||
{
|
||
"plugins": ["@babel/plugin-proposal-json-strings"]
|
||
}
|
||
```
|
||
|
||
### Via CLI
|
||
|
||
```sh
|
||
babel --plugins @babel/plugin-proposal-json-strings script.js
|
||
```
|
||
|
||
### Via Node API
|
||
|
||
```javascript
|
||
require("@babel/core").transform("code", {
|
||
plugins: ["@babel/plugin-proposal-json-strings"]
|
||
});
|
||
```
|
||
|
||
## References
|
||
- [Proposal: Optional Catch Binding for ECMAScript](https://github.com/babel/proposals/issues/7)
|