34 lines
880 B
JavaScript
34 lines
880 B
JavaScript
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'use strict';
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/**
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* Finds the eslint-scope reference in the given scope.
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* @param {Object} scope The scope to search.
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* @param {ASTNode} node The identifier node.
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* @returns {Reference|undefined} Returns the found reference or null if none were found.
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*/
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function findReference(scope, node) {
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const references = scope.references
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.filter(reference => reference.identifier === node);
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if (references.length === 1) {
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return references[0];
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}
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}
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/**
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* Checks if the given identifier node is shadowed in the given scope.
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* @param {Object} scope The current scope.
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* @param {string} node The identifier node to check
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* @returns {boolean} Whether or not the name is shadowed.
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*/
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function isShadowed(scope, node) {
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const reference = findReference(scope, node);
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return (
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reference?.resolved
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&& reference.resolved.defs.length > 0
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);
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}
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module.exports = isShadowed;
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