Emoji Recovery

Correct emoji encoding from some 3rd-party service.
i.e. Rongcloud javascript client transformed unicode "1f601" into "f601"

Installation

Via npm:

$ npm install --save emoji-recovery

in js

import emojiRecovery from 'emoji-recovery';

emojiRecovery.parse('Hello \uf601 emoji-recovery!');
// Hello 😁 emoji-recovery!

API

Following are all the methods exposed in the emojiRecovery namespace.

emojiRecovery.parse( ... )

Given a generic string, replaces all wrong emoji with native unicode.

emojiRecovery.parse('Hello\uf601!');
// will produce
/*
Hello\ud83d\ude01!
*/

Utilities

Basic utilities / helpers to convert code points to JavaScript surrogates and vice versa.

emojiRecovery.convert.fromCodePoint()

For a given HEX codepoint, returns UTF-16 surrogate pairs.

emojiRecovery.convert.fromCodePoint('1f601');
// "\ud83d\ude01"

emojiRecovery.convert.toCodePoint()

For given UTF-16 surrogate pairs, returns the equivalent HEX codepoint.

emojiRecovery.convert.toCodePoint('\ud83d\ude01');
// "1f601"

emojiRecovery.regex

Wrong emoji unicode regexp

let input = 'Rongcloud return \uf602 instead of \ud83d\ude02';

input.replace(emojiRecovery.regex,
  char => emojiRecovery.convert.fromCodePoint(65536 + char.charCodeAt(0)));
// "Rongcloud return \ud83d\ude02 instead of \ud83d\de02"