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@babel/plugin-proposal-discard-binding

Transforms discard binding const [void, x] = arr to const [, x] = arr

Example​

JavaScript
const [void, x] = arr;
using void = getResource();

will be transformed to

JavaScript
const [, x] = arr;
using _ = getResource();

The plugin respects these compiler assumptions:

Installation​

npm install --save-dev @babel/plugin-proposal-discard-binding

Usage​

babel.config.json
{
  "plugins": ["@babel/plugin-proposal-discard-binding"]
}

Via CLI​

Shell
babel --plugins @babel/plugin-proposal-discard-binding script.js

Via Node API​

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

Options​

syntaxType​

Required.

"void"

Choose the syntax type to represent the discard binding. Currently the only supported value is "void".

References​