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@babel/plugin-syntax-throw-expressions
Advanced tools
@babel/plugin-syntax-throw-expressions is a Babel plugin that allows you to use the `throw` expressions syntax in your JavaScript code. This syntax enables you to throw exceptions directly within expressions, making it easier to handle errors in a more concise and expressive manner.
Throw Expressions in Conditional (Ternary) Operator
This feature allows you to use the `throw` statement directly within a ternary operator. If the condition is false, an error is thrown.
const value = condition ? 'valid' : throw new Error('Invalid condition');
Throw Expressions in Logical Operators
This feature allows you to use the `throw` statement within logical operators like `||`. If `someValue` is falsy, an error is thrown.
const value = someValue || throw new Error('someValue is required');
This Babel plugin allows you to use optional chaining syntax in your JavaScript code. While it doesn't provide throw expressions, it offers a way to safely access deeply nested properties without having to explicitly check for the existence of each level.
This Babel plugin enables the use of the nullish coalescing operator (`??`) in your code. It provides a way to handle default values when dealing with `null` or `undefined`, but does not offer throw expressions.
Allow parsing of Throw Expressions:
function test(param = throw new Error('required!')) {
const test = param === true || throw new Error('Falsey!');
}
npm install --save-dev @babel/plugin-syntax-throw-expressions
.babelrc
(Recommended).babelrc
{
"plugins": ["@babel/plugin-syntax-throw-expressions"]
}
babel --plugins @babel/plugin-syntax-throw-expressions script.js
require("@babel/core").transform("code", {
plugins: ["@babel/plugin-syntax-throw-expressions"]
});
FAQs
Allow parsing of Throw Expressions
The npm package @babel/plugin-syntax-throw-expressions receives a total of 210,071 weekly downloads. As such, @babel/plugin-syntax-throw-expressions popularity was classified as popular.
We found that @babel/plugin-syntax-throw-expressions demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 4 open source maintainers collaborating on the project.
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