NOTE: This plugin is included in @babel/preset-env, in ES2019

Examples?

In

JavaScript

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

Out

JavaScript

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

Installation?

• npm
• Yarn
• pnpm

pnpm add --save-dev @babel/plugin-proposal-json-strings

Usage?

With a configuration file (Recommended)?

babel.config.json

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

Via CLI?

Shell

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

Via Node API?

JavaScript

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

References?

• Proposal: Subsume JSON strings