RAG MCP Server

/** @import { Node } from 'estree' */ /** * @param {Node} node * @param {Node} parent * @returns {boolean} */ export default function is_reference(node, parent) { if (node.type === 'MemberExpression') { return !node.computed && is_reference(node.object, node); } if (node.type !== 'Identifier') return false; switch (parent?.type) { // disregard `bar` in `foo.bar` case 'MemberExpression': return parent.computed || node === parent.object; // disregard the `foo` in `class {foo(){}}` but keep it in `class {[foo](){}}` case 'MethodDefinition': return parent.computed; // disregard the `meta` in `import.meta` case 'MetaProperty': return parent.meta === node; // disregard the `foo` in `class {foo=bar}` but keep it in `class {[foo]=bar}` and `class {bar=foo}` case 'PropertyDefinition': return parent.computed || node === parent.value; // disregard the `bar` in `{ bar: foo }`, but keep it in `{ [bar]: foo }` case 'Property': return parent.computed || node === parent.value; // disregard the `bar` in `export { foo as bar }` or // the foo in `import { foo as bar }` case 'ExportSpecifier': case 'ImportSpecifier': return node === parent.local; // disregard the `foo` in `foo: while (...) { ... break foo; ... continue foo;}` case 'LabeledStatement': case 'BreakStatement': case 'ContinueStatement': return false; default: return true; } }