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17 lines
360 B
17 lines
360 B
var utils = require('../utils') |
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, nodes = require('../nodes'); |
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/** |
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* Lookup variable `name` or return Null. |
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* |
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* @param {String} name |
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* @return {Mixed} |
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* @api public |
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*/ |
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module.exports = function lookup(name){ |
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utils.assertType(name, 'string', 'name'); |
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var node = this.lookup(name.val); |
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if (!node) return nodes.null; |
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return this.visit(node); |
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};
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