@babel/plugin-transform-instanceof
Example
In
JavaScript
foo instanceofBar;
Out
JavaScript
function_instanceof(left, right){
if(
right !=null&&
typeofSymbol!=="undefined"&&
right[Symbol.hasInstance]
){
return right[Symbol.hasInstance](left);
}else{
return left instanceofright;
}
}
_instanceof(foo,Bar);
Installation
- npm
- Yarn
- pnpm
- Bun
npm install --save-dev @babel/plugin-transform-instanceof
yarn add --dev @babel/plugin-transform-instanceof
pnpm add --save-dev @babel/plugin-transform-instanceof
bun add --dev @babel/plugin-transform-instanceof
Usage
With a configuration file (Recommended)
babel.config.json
{
"plugins":["@babel/plugin-transform-instanceof"]
}
Via CLI
Shell
babel --plugins @babel/plugin-transform-instanceof script.js
Via Node API
JavaScript
require("@babel/core").transformSync("code",{
plugins:["@babel/plugin-transform-instanceof"],
});