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babel/packages/babel-plugin-proposal-json-strings
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Justin Ridgewell 0879a6d608
Subsume json (#7985) 
* 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
2018-05-19 15:32:05 -04:00
..
src
Subsume json (#7985)
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test
Subsume json (#7985)
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.npmignore
Subsume json (#7985)
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package.json
Subsume json (#7985)
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README.md
Subsume json (#7985)
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README.md

@babel/plugin-syntax-json-strings

Allow parsing of the U+2028 LINE SEPARATOR and U+2029 PARAGRAPH SEPARATOR in JS strings

Examples

In

const ex = "before
after";
//                ^ There's a U+2028 char between 'before' and 'after'

Out

const ex = "before\u2028after";
//                ^ There's a U+2028 char between 'before' and 'after'

Installation

npm install --save-dev @babel/plugin-proposal-json-strings

Usage

Via .babelrc (Recommended)

.babelrc

{
  "plugins": ["@babel/plugin-proposal-json-strings"]
}

Via CLI

babel --plugins @babel/plugin-proposal-json-strings script.js

Via Node API

require("@babel/core").transform("code", {
  plugins: ["@babel/plugin-proposal-json-strings"]
});

References