Contents

function isReference(node, parent) {
    if (node.type === 'MemberExpression') {
        return !node.computed && isReference(node.object, node);
    }
    if (node.type === 'Identifier') {
        // the only time we could have an identifier node without a parent is
        // if it's the entire body of a function without a block statement –
        // i.e. an arrow function expression like `a => a`
        if (!parent)
            return true;
        // TODO is this right?
        if (parent.type === 'MemberExpression' || parent.type === 'MethodDefinition') {
            return parent.computed || node === parent.object;
        }
        // disregard the `bar` in `{ bar: foo }`, but keep it in `{ [bar]: foo }`
        if (parent.type === 'Property')
            return parent.computed || node === parent.value;
        // disregard the `bar` in `export { foo as bar }`
        if (parent.type === 'ExportSpecifier' && node !== parent.local)
            return false;
        return true;
    }
    return false;
}

export default isReference;

Version data entries

5 entries across 5 versions & 2 rubygems

Version	Path
jass-0.9.5	vendor/node_modules/is-reference/dist/is-reference.es.js
jass-0.9.4	vendor/node_modules/is-reference/dist/is-reference.es.js
jass-0.9.3	vendor/node_modules/is-reference/dist/is-reference.es.js
condenser-0.0.4	lib/condenser/processors/node_modules/is-reference/dist/is-reference.es.js
jass-0.9.1	vendor/node_modules/is-reference/dist/is-reference.es.js