38 lines
1.0 KiB
JavaScript
38 lines
1.0 KiB
JavaScript
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/*
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* Copyright (c) 2015, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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*/
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/**
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* @flow
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*/
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"use strict";
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var expressionTo = require('./expressionTo');
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var types = require('recast').types.namedTypes;
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/**
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* Returns true if the expression is of form `exports.foo = ...;` or
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* `modules.exports = ...;`.
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*/
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function isExportsOrModuleAssignment(path: NodePath): boolean {
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if (types.ExpressionStatement.check(path.node)) {
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path = path.get('expression');
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}
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if (!types.AssignmentExpression.check(path.node) ||
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!types.MemberExpression.check(path.node.left)) {
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return false;
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}
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var exprArr = expressionTo.Array(path.get('left'));
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return (exprArr[0] === 'module' && exprArr[1] === 'exports') ||
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exprArr[0] == 'exports';
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}
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module.exports = isExportsOrModuleAssignment;
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