eslint-plugin-esm
Version:
ESLint plugin for linting ESM (import/export syntax)
28 lines • 4.35 kB
JavaScript
import { createRule, DEFAULT_MESSAGE_ID, getRuleName } from "../common.js";
export const noRenameExports = createRule({
name: getRuleName(import.meta.url),
message: "Disallow renaming the named-exports.",
create: (context) => ({
ExportSpecifier: (node) => {
const parent = node.parent;
if (parent.type !== "ExportNamedDeclaration")
return;
const hasLocalAndExported = node.local.type === "Identifier" && node.exported.type === "Identifier";
if (!hasLocalAndExported)
return;
// `export { foo }` has the same source position as local and exported
if (node.local.range?.[0] === node.exported.range?.[0])
return;
// Exception: `export { default as X } from '...'` where X is not "default"
const isReexportAsNamed = parent.source &&
node.local.type === "Identifier" &&
node.local.name === "default" &&
node.exported.type === "Identifier" &&
node.exported.name !== "default";
if (isReexportAsNamed)
return;
context.report({ node, messageId: DEFAULT_MESSAGE_ID });
},
}),
});
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