@babel/helper-split-export-declaration
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Package description
The @babel/helper-split-export-declaration package is a utility within the Babel compiler ecosystem. It is designed to assist in the transformation of ECMAScript modules by splitting export declarations that have associated expressions. This is particularly useful in the process of transpiling code to be compatible with environments that have varying levels of support for ES modules.
Splitting Export Declarations
This feature allows the transformation of export statements in JavaScript modules, particularly those that export a declaration and its value in a single statement. The code sample demonstrates how an export default declaration would be transformed to separate the declaration and the export, ensuring compatibility with environments that may not fully support the latest ECMAScript module syntax.
"use strict";\n\nObject.defineProperty(exports, '__esModule', {\n value: true\n});\nexports.default = void 0;\nvar _default = 'Hello, world!';\nexports.default = _default;"This package is part of the Babel ecosystem and transforms ES2015 modules to CommonJS, allowing code to run in environments that do not support ES modules natively. It provides similar functionality to @babel/helper-split-export-declaration by handling module exports in a way that ensures compatibility across different JavaScript environments. However, it is more comprehensive, targeting the entire module system rather than focusing solely on export declarations.
Similar to @babel/helper-split-export-declaration, this Babel plugin transforms ES2015 modules to Asynchronous Module Definition (AMD) format. While it serves a similar purpose in terms of making module exports compatible with different environments, it targets AMD rather than CommonJS or other module systems. This makes it suitable for projects that specifically require AMD compatibility.
Readme
declare export default splitExportDeclaration(path: NodePath);
import traverse from "@babel/traverse";
import splitExportDeclaration from "@babel/helper-split-export-declaration";
// ...
traverse(file, {
ExportDefaultDeclaration(path) {
if (!path.get("declaration").isClassDeclaration()) return;
splitExportDeclaration(path);
},
});
FAQs
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We found that @babel/helper-split-export-declaration 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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