| 1 | "use strict";
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| 2 |
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| 3 | function filter (template, obj) {
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| 4 |
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| 5 | if (typeof template === 'undefined') {
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| 6 | return undefined;
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| 7 | } else if ( typeof template === 'object' ){
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| 8 | if (typeof obj === 'object') {
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| 9 | var result = {};
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| 10 | Object.keys(template).forEach( function (key) {
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| 11 | var tmp = filter(template[key], obj[key]);
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| 12 |
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| 13 | if (typeof tmp !== 'undefined') {
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| 14 | result[key] = tmp
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| 15 | }
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| 16 | });
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| 17 | return result;
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| 18 | }
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| 19 | } else if ( typeof template === 'function' ) {
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| 20 | return template(obj);
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| 21 | } else {
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| 22 | return obj;
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| 23 | }
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| 24 | }
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| 25 |
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| 26 | function merge (template, obj) {
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| 27 |
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| 28 | if (typeof template === 'undefined') {
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| 29 | return undefined;
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| 30 | } else if ( typeof template === 'object' ){
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| 31 | if (typeof obj === 'object') {
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| 32 | var result = {};
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| 33 | Object.keys(template).forEach( function (key) {
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| 34 | var ret = merge(template[key], obj[key]);
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| 35 |
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| 36 | if (typeof ret !== 'undefined') {
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| 37 | result[key] = ret;
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| 38 | } else if (typeof template[key] !== 'undefined') {
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| 39 | result[key] = template[key];
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| 40 | }
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| 41 | });
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| 42 | return result;
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| 43 | }
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| 44 | } else if ( typeof template === 'function' ) {
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| 45 | return template(obj);
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| 46 | } else {
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| 47 | if (typeof obj === 'undefined') {
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| 48 | return template;
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| 49 | } else {
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| 50 | return obj;
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| 51 | }
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| 52 | }
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| 53 | }
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| 54 |
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| 55 | module.exports = filter;
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| 56 | module.exports.merge = merge;
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