| 1 | var forEach = require('../array/forEach');
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| 2 | var slice = require('../array/slice');
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| 3 | var forOwn = require('./forOwn');
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| 4 |
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| 5 | /**
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| 6 | * Copy missing properties in the obj from the defaults.
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| 7 | */
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| 8 | function fillIn(obj, var_defaults){
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| 9 | forEach(slice(arguments, 1), function(base){
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| 10 | forOwn(base, function(val, key){
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| 11 | if (obj[key] == null) {
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| 12 | obj[key] = val;
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| 13 | }
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| 14 | });
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| 15 | });
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| 16 | return obj;
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| 17 | }
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| 18 |
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| 19 | module.exports = fillIn;
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| 20 |
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| 21 |
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