| define(['exports', 'module'], function (exports, module) { |
| 'use strict'; |
| |
| module.exports = function (instance) { |
| instance.registerHelper('lookup', function (obj, field) { |
| if (!obj) { |
| return obj; |
| } |
| if (field === 'constructor' && !obj.propertyIsEnumerable(field)) { |
| return undefined; |
| } |
| return obj[field]; |
| }); |
| }; |
| }); |
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