Learning by example

var adapt = require('adapt');
var data = {
  father:   'John Doe',
  mother:   'Jane Doe',
  children: ['John Doe Jr.', 'Jane Doe Jr.']
}
 
var fullName = adapt.createTransformation()
  .expand('full_name')
  .run(function() {
    var split = this.full_name.split(' ');
    this.name = split[0];
    this.surname = split[1];
    if (split[2]) this.suffix = split[2];
  });
 
var family = adapt.createTransformation()
  .transformCollection('children', fullName)
  .transform('father', fullName)
  .transform('mother', fullName)
  .set('children_count', function() {
    return this.children.length;
  });
 
console.log(adapt.transform(data, family));

Output:

{ father: { full_name: 'John Doe', name: 'John', surname: 'Doe' },
  mother: { full_name: 'Jane Doe', name: 'Jane', surname: 'Doe' },
  children: 
   [ { full_name: 'John Doe Jr.',
       name: 'John',
       surname: 'Doe',
       suffix: 'Jr.' },
     { full_name: 'Jane Doe Jr.',
       name: 'Jane',
       surname: 'Doe',
       suffix: 'Jr.' } ],
  children_count: 2 }
 

Changelog

• 0.2.35

  • Bugfixes

• 0.2.34

  • Adds apply transformation

• 0.2.33

  • Updates mocha and chai to latest versions

• 0.2.32

  • Removes default context (allowing to be falsy)
  • Allows a falsy context to be used
  • Minor bugfixes

• 0.2.29

  • Adds a default context ({}) when not provided

• 0.2.28

  • Updates adapt.tap.numberize to include comma as valid decimal separator

• 0.2.27

  • rename should do nothing if property name does not exist

• 0.2.25

  • Add expandExcept(propName, exclusionArray) transformation

• 0.2.24

  • Bugfixes

• 0.2.23

  • Add snakeToCamel transformation
  • Bugfixes

• 0.2.22

  • Rename inspect transformation to audit

• 0.2.19 - 0.2.21

  • Bugfixes

• 0.2.18

  • removeByPattern transformation deprecated in favour of remove

• 0.2.17

  • New transformations:
    • removeNils removes empty objects
    • removeEmptyStrings removes empty strings
    • removeEmptyArrays removes empty arrays
    • removeByPattern removes objects matching a RegExp
    • camelToSnake renames camel-cased keys to snake-cased
  • Remove transformation now accepts an array as argument

• 0.2.16

  • New "inspect" transformation

• 0.2.15

  • Group transformation now groups null properties as well.

• 0.2.14

  • New utils (extend, extendCircular, shallowCopy, cloneCircular, cloneJSON)
  • Older methods show a deprecation warning
  • Minor bugfixes and improvements
  • Tests were updated

• 0.2.13

  • Bugfixes

• 0.2.10

  • New method names (the old ones were aliased)
  • Dot-notation transformation (expandDots(regex) method)

• 0.2.9

  • Added removePropertyIf transformation method
  • Added mergeCollections transformation method
  • Minor bugfixes

• 0.2.8

  • Removed injectParent
  • Added function type as context

• 0.2.7

  • Bugfixes

• 0.2.6

  • Added __parent (read-only, not enumerable) property for nested transformations

• 0.2.5

  • checkDependencies now accepts a custom message

• 0.2.4

  • Added checkDependencies to adapt transformations

• 0.2.3

  • setProperty now accepts a transformation to be passed as value

• 0.2.2

  • Transformation method "concat" now accepts (or passes) a context

• 0.2.1

  • Added extractFromProperty

• 0.2.0

  • Transformations no longer destructive
  • Added new tests
  • Added concat

• 0.1.7

  • Added transformCollection (removed Array transformation "magic")
  • Minor bugfixes

• 0.1.5 - 0.1.6

  • Bugfixes

• 0.1.4

  • Added clone method

• 0.1.3

  • Removed adapt.tap.value in favour of adapt.tap.get and adapt.tap.set

• 0.1.2

  • New tap utils: value, equals, notEquals, existance, lengthOf and numberize
  • assignProperty and assignProperties deprecated in favour of setProperty and setProperties

• 0.1.1

  • New groupProperties functionality for transformations

• 0.1.0

  • Bugfixes