Where is _.pluck() in lodash version 4?

The _.pluck() method was removed from lodash version 4 because it provided the same functionality as _.map(). This change was part of lodash's effort to reduce redundancy and improve consistency.

What _.pluck() Did

In lodash 3.x, _.pluck() extracted property values from a collection of objects:

// Lodash 3.x syntax (no longer available)
_.pluck(objects, 'propertyName')

Replacement: Using _.map()

In lodash 4+, use _.map() with a property path string to achieve the same result:

const _ = require('lodash');
const objects = [{ 'a': 1 }, { 'a': 2 }, { 'a': 3 }];

// Extract 'a' property from each object
const result = _.map(objects, 'a');
console.log(result);

[1, 2, 3]

Complex Property Paths

You can also extract nested properties using dot notation:

const _ = require('lodash');
const users = [
  { 'user': { 'name': 'Alice' } },
  { 'user': { 'name': 'Bob' } },
  { 'user': { 'name': 'Charlie' } }
];

// Extract nested property
const names = _.map(users, 'user.name');
console.log(names);

['Alice', 'Bob', 'Charlie']

Alternative: Native JavaScript

You can also use native JavaScript's map() method:

const objects = [{ 'a': 1 }, { 'a': 2 }, { 'a': 3 }];

// Using native JavaScript map
const result = objects.map(obj => obj.a);
console.log(result);

[1, 2, 3]

Comparison

Conclusion

Replace _.pluck() with _.map() when upgrading to lodash 4+. Both methods provide identical functionality for extracting property values from object collections.