Conditions | 7 |
Paths | 12 |
Total Lines | 63 |
Lines | 0 |
Ratio | 0 % |
Changes | 0 |
Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.
For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.
Commonly applied refactorings include:
If many parameters/temporary variables are present:
1 | import { List, Map, fromJS } from 'immutable'; |
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3 | export const treeToFlatList = ( |
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4 | data, |
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5 | rootIdentifier = 'root', |
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6 | childIdentifier = 'children' |
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7 | ) => { |
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8 | |||
9 | if (!data) { |
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10 | throw new Error('Expected data to be defined'); |
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11 | } |
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12 | |||
13 | const result = []; |
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14 | |||
15 | let stack = List(); |
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16 | |||
17 | const cfg = { flatIndex: 0 }; |
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18 | |||
19 | if (!Map.isMap(data)) { |
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20 | data = fromJS(data); |
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21 | } |
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22 | |||
23 | if (data.get(rootIdentifier)) { |
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24 | data = data.get(rootIdentifier); |
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25 | |||
26 | stack = stack.push( |
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27 | toItem(List(), childIdentifier, cfg)(data) |
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28 | ); |
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29 | } |
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30 | else { |
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31 | stack = data.get(childIdentifier).map( |
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32 | toItem(List([-1]), List([0]), childIdentifier) |
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33 | ); |
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34 | } |
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35 | |||
36 | while (stack.count()) { |
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37 | |||
38 | const item = stack.first(); |
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39 | |||
40 | stack = stack.shift(); |
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41 | const children = item.get(childIdentifier); |
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42 | // console.log(item.get('id'), (children || List()).map(i => i.get('id')).toJS(), stack.map(i => i.get('id')).toJS()); |
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43 | |||
44 | if (List.isList(children) && !item.get('_hideChildren')) { |
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45 | stack = children.map( |
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46 | toItem( |
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47 | item.get('_path').push(item.get('_id')), |
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48 | childIdentifier, |
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49 | cfg, |
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50 | item, |
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51 | children |
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52 | ) |
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53 | ).concat(stack); |
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54 | } |
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55 | |||
56 | // removing erroneous data since grid uses internal values |
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57 | result.push( |
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58 | item.delete(childIdentifier) |
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59 | .delete('parentId') |
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60 | .delete('id') |
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61 | ); |
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62 | } |
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63 | |||
64 | return List(result); |
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65 | }; |
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66 | |||
112 |