All files index.js

0% Statements 0/46
0% Branches 0/46
0% Functions 0/22
0% Lines 0/35
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130                                                                                                                                                                                                                                                                   
import {
  fromJS,
  Iterable,
  List,
  Map,
  OrderedMap
} from 'immutable';
 
//
// utils
//
 
export const asList = (input) => List.isList(input) ? input : List(input);
 
export const keysToPath = (keys, childPath) => {
  childPath = asList(childPath).toJS();
  return keys.reduce((fullPath, key) => {
    return fullPath.concat(childPath).push(key);
  }, List());
};
 
export const keysToPathChildren = (keys, childPath) => {
  return keysToPath(keys, childPath).concat(childPath);
};
 
export const isLeaf = (item, childPath = []) => {
  if(!Iterable.isIterable(item)) {
    return true;
  }
  const children = item.getIn(childPath);
  return !children || children.isEmpty();
};
 
//
// get
//
 
export const deepGet = (keys, childPath, notSetValue = null) => (input) => {
  return input.getIn(keysToPath(keys, childPath), notSetValue);
};
 
export const deepGetChildren = (keys, childPath, notSetValue = null) => (input) => {
  return input.getIn(keysToPathChildren(keys, childPath), notSetValue);
};
 
//
// set
//
 
export const deepSet = (keys, value, childPath) => (input) => {
  return input.setIn(keysToPath(keys, childPath), value);
};
 
export const deepSetChildren = (keys, value, childPath) => (input) => {
  return input.setIn(keysToPathChildren(keys, childPath), value);
};
 
//
// map
//
 
const mapRecursive = (self, childPath, mapper, options, keys = List()) => {
  const mapSelf = (self, children = null) => mapper(self, keys, children);
  
  if(isLeaf(self, childPath)) {
    return options.onlyParents ? self : mapSelf(self);
  }
  
  const mappedChildren = self
    .getIn(childPath)
    .map((kid, key) => mapRecursive(kid, childPath, mapper, options, keys.push(key)));
  
  const selfWithMappedChildren = childPath.isEmpty()
    ? self.merge(mappedChildren)
    : self.setIn(childPath, mappedChildren);
  
  return options.onlyLeaves
    ? selfWithMappedChildren
    : mapSelf(selfWithMappedChildren, mappedChildren);
};
 
export const deepMap = (mapper, childPath = []) => (input) => {
  return mapRecursive(input, asList(childPath), mapper, {});
};
 
export const deepMapLeaves = (mapper, childPath = []) => (input) => {
  return mapRecursive(input, asList(childPath), mapper, {onlyLeaves: true});
};
 
export const deepMapParents = (mapper, childPath = []) => (input) => {
  return mapRecursive(input, asList(childPath), mapper, {onlyParents: true});
};
 
//
// delete
//
 
// ...
 
//
// filter
//
 
// ...
 
//
// reduce
//
 
// ...
 
//
// sort
//
 
// ...
 
//
// deconstruct
//
 
// ...
 
//
// reconstruct
//
 
// ...