All files / src buildResolvers.js

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
 
 
 
 
9x
 
9x
 
9x
2x
2x
 
 
7x
7x
 
 
 
 
 
/**
 * Returns an array of resolving functions to apply
 * @param {Object} mapping A transformation map
 */
export default function buildResolvers(mapping = {}) {
  return Object.keys(mapping).reduce(
    (resolvers, key) => {
      const val = mapping[key];
 
      if (val !== null && typeof val === 'function') {
        resolvers.push({ key, fn: val });
        return resolvers;
      }
 
      resolvers.push({ key, fn: (value = {}) => value[key] || val });
      return resolvers;
    },
    []
  );
}