Using Lodash Truncate

Using Lodash truncate – onlinecode

In this post, we will give you information about Using Lodash truncate. Here we will give you detail about Using Lodash truncate – onlinecode And how to use it also give you a demo for it if it is necessary.

The truncate function allows you to shorten a string if it is longer than a specifed length.
It will shorten the string and replace the last characters of the shortened string with the characters you specify, or the default ....
It takes three parameters:

length (number), the maximum length of the string.
omission (string), the string to indicate text is omitted.
separator (RegExp | string), the separator pattern to truncate to.

const _ = require('lodash');

const example = 'Masteringjs.io is a great website to learn JavaScript fundamentals, Mongoose, Vue, and other JavaScript libraries.';

const result = _.truncate(example, {
  length: 39
});

result; // Masteringjs.io is a great website to...

const close = _.truncate(example, {
  length: 36,
  omission: '.',
});

close; // Masteringjs.io is a great website.

Separator for Using Lodash truncate

The separator argument is handy for preventing JavaScript from breaking words when truncating. If you pass a separator, JavaScript will truncate at the last instance of separator before length.

const _ = require('lodash');

const example = 'Masteringjs.io is a great website to learn JavaScript fundamentals, mongoose, vue, and other fun JavaScript libraries.';

const short = _.truncate(example, {
  length: 23, // 'Masteringjs.io is a gre'.length
  separator: ' '
});

short; // Masteringjs.io is a...

Because ' ' is the separator, Lodash backtracked and cut off the string at the last space before index 23. Even though index 23 is halfway through “great”, truncate() avoided breaking up words.

Lodash is a JavaScript library which provides utility functions for common programming tasks using the functional programming paradigm. Lodash is a JavaScript library that helps programmers write more concise and maintainable JavaScript. It can be broken down into several main areas: Utilities: for simplifying common programming tasks such as determining type as well as simplifying math operations.

Why Lodash?

Lodash makes JavaScript easier by taking the hassle out of working with arrays, numbers, objects, strings, etc.Lodash’s modular methods are great for:

Iterating arrays, objects, & strings
Manipulating & testing values
Creating composite functions

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