@babel/plugin-syntax-nullish-coalescing-operator
Advanced tools
Package description
The @babel/plugin-syntax-nullish-coalescing-operator package allows Babel to parse code that uses the nullish coalescing operator (??). This operator is a logical operator that returns its right-hand side operand when its left-hand side operand is null or undefined, and otherwise returns its left-hand side operand. This package does not transform the nullish coalescing syntax; it only enables Babel to understand it.
Parsing nullish coalescing operator
This code demonstrates how the nullish coalescing operator is used to provide a default value ('default string') in case the left-hand operand (foo) is null or undefined.
const foo = null ?? 'default string';This package not only allows Babel to parse the nullish coalescing operator but also transforms it. This means it can convert code using the nullish coalescing operator into equivalent code that does not use the operator, allowing it to run in environments that do not support the operator natively. It offers a superset of the functionality provided by @babel/plugin-syntax-nullish-coalescing-operator.
While not exclusively focused on the nullish coalescing operator, @babel/preset-env includes support for it among many other JavaScript features. This preset automatically determines the Babel plugins and polyfills needed based on the target environment's support for JavaScript features. It's a more comprehensive solution for writing modern JavaScript that is compatible with older environments.
Readme
Allow parsing of the nullish-coalescing operator
See our website @babel/plugin-syntax-nullish-coalescing-operator for more information.
Using npm:
npm install --save-dev @babel/plugin-syntax-nullish-coalescing-operator
or using yarn:
yarn add @babel/plugin-syntax-nullish-coalescing-operator --dev
FAQs
Allow parsing of the nullish-coalescing operator
The npm package @babel/plugin-syntax-nullish-coalescing-operator receives a total of 21,213,564 weekly downloads. As such, @babel/plugin-syntax-nullish-coalescing-operator popularity was classified as popular.
We found that @babel/plugin-syntax-nullish-coalescing-operator demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 6 open source maintainers collaborating on the project.
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