60 lines
No EOL
2 KiB
JavaScript
60 lines
No EOL
2 KiB
JavaScript
import { createRule } from '../utils/index.js';
|
|
export default createRule({
|
|
name: 'no-mutable-exports',
|
|
meta: {
|
|
type: 'suggestion',
|
|
docs: {
|
|
category: 'Helpful warnings',
|
|
description: 'Forbid the use of mutable exports with `var` or `let`.',
|
|
},
|
|
schema: [],
|
|
messages: {
|
|
noMutable: "Exporting mutable '{{kind}}' binding, use 'const' instead.",
|
|
},
|
|
},
|
|
defaultOptions: [],
|
|
create(context) {
|
|
function checkDeclaration(node) {
|
|
if ('kind' in node && (node.kind === 'var' || node.kind === 'let')) {
|
|
context.report({
|
|
node,
|
|
messageId: 'noMutable',
|
|
data: {
|
|
kind: node.kind,
|
|
},
|
|
});
|
|
}
|
|
}
|
|
function checkDeclarationsInScope({ variables }, name) {
|
|
for (const variable of variables) {
|
|
if (variable.name === name) {
|
|
for (const def of variable.defs) {
|
|
if (def.type === 'Variable' && def.parent) {
|
|
checkDeclaration(def.parent);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return {
|
|
ExportDefaultDeclaration(node) {
|
|
const scope = context.sourceCode.getScope(node);
|
|
if ('name' in node.declaration) {
|
|
checkDeclarationsInScope(scope, node.declaration.name);
|
|
}
|
|
},
|
|
ExportNamedDeclaration(node) {
|
|
const scope = context.sourceCode.getScope(node);
|
|
if (node.declaration) {
|
|
checkDeclaration(node.declaration);
|
|
}
|
|
else if (!node.source) {
|
|
for (const specifier of node.specifiers) {
|
|
checkDeclarationsInScope(scope, specifier.local.name);
|
|
}
|
|
}
|
|
},
|
|
};
|
|
},
|
|
});
|
|
//# sourceMappingURL=no-mutable-exports.js.map
|