Use ESM

.gitignore

@@ -1,8 +1,5 @@
 .DS_Store
 *.log
-.nyc_output/
 coverage/
 node_modules/
-polarity.js
-polarity.min.js
-yarn.lock
+yarn.lock

.prettierignore

@@ -1,4 +1,2 @@
 coverage/
-polarity.js
-polarity.min.js
 *.md

build.js

@@ -1,15 +1,17 @@
-'use strict'
-
-var fs = require('fs')
-var emotion = require('emoji-emotion')
-var emojiToName = require('gemoji/emoji-to-name')
+import fs from 'fs'
+import {emojiEmotion} from 'emoji-emotion'
+import {emojiToName} from 'gemoji'
 
 var data = {}
 var index = -1
 
-while (++index < emotion.length) {
-  data[emotion[index].emoji] = emotion[index].polarity
-  data[':' + emojiToName[emotion[index].emoji] + ':'] = emotion[index].polarity
+while (++index < emojiEmotion.length) {
+  data[emojiEmotion[index].emoji] = emojiEmotion[index].polarity
+  data[':' + emojiToName[emojiEmotion[index].emoji] + ':'] =
+    emojiEmotion[index].polarity
 }
 
-fs.writeFileSync('emoji.json', JSON.stringify(data, null, 2) + '\n')
+fs.writeFileSync(
+  'emoji.js',
+  'export var emoji = ' + JSON.stringify(data, null, 2) + '\n'
+)

emoji.js

@@ -0,0 +1,238 @@
+export var emoji = {
+  '💯': 3,
+  ':100:': 3,
+  '😠': -3,
+  ':angry:': -3,
+  '😧': -3,
+  ':anguished:': -3,
+  '😲': 2,
+  ':astonished:': 2,
+  '🖤': 3,
+  ':black_heart:': 3,
+  '💙': 3,
+  ':blue_heart:': 3,
+  '😊': 2,
+  ':blush:': 2,
+  '💔': -3,
+  ':broken_heart:': -3,
+  '👏': 3,
+  ':clap:': 3,
+  '🤡': 0,
+  ':clown_face:': 0,
+  '😰': -2,
+  ':cold_sweat:': -2,
+  '😖': -2,
+  ':confounded:': -2,
+  '😕': -2,
+  ':confused:': -2,
+  '🤠': 2,
+  ':cowboy_hat_face:': 2,
+  '🤞': 2,
+  ':crossed_fingers:': 2,
+  '😢': -2,
+  ':cry:': -2,
+  '😿': -2,
+  ':crying_cat_face:': -2,
+  '💘': 3,
+  ':cupid:': 3,
+  '😞': -2,
+  ':disappointed:': -2,
+  '😥': -1,
+  ':disappointed_relieved:': -1,
+  '😵': -1,
+  ':dizzy_face:': -1,
+  '🤤': 0,
+  ':drooling_face:': 0,
+  '😑': 0,
+  ':expressionless:': 0,
+  '🤕': -2,
+  ':face_with_head_bandage:': -2,
+  '🤒': -1,
+  ':face_with_thermometer:': -1,
+  '😨': -2,
+  ':fearful:': -2,
+  '😳': -2,
+  ':flushed:': -2,
+  '😦': -1,
+  ':frowning:': -1,
+  '☹️': -2,
+  ':frowning_face:': -2,
+  '🖕': -4,
+  ':middle_finger:': -4,
+  '👻': -1,
+  ':ghost:': -1,
+  '💝': 3,
+  ':gift_heart:': 3,
+  '💚': 3,
+  ':green_heart:': 3,
+  '😬': -2,
+  ':grimacing:': -2,
+  '😁': 2,
+  ':grin:': 2,
+  '😀': 2,
+  ':grinning:': 2,
+  '🤝': 1,
+  ':handshake:': 1,
+  '❤️': 3,
+  ':heart:': 3,
+  '😍': 3,
+  ':heart_eyes:': 3,
+  '😻': 3,
+  ':heart_eyes_cat:': 3,
+  '💓': 3,
+  ':heartbeat:': 3,
+  '💗': 3,
+  ':heartpulse:': 3,
+  '🤗': 2,
+  ':hugs:': 2,
+  '😯': -1,
+  ':hushed:': -1,
+  '👿': -4,
+  ':imp:': -4,
+  '😇': 3,
+  ':innocent:': 3,
+  '😂': 3,
+  ':joy:': 3,
+  '😹': 3,
+  ':joy_cat:': 3,
+  '💋': 2,
+  ':kiss:': 2,
+  '😗': 2,
+  ':kissing:': 2,
+  '😽': 2,
+  ':kissing_cat:': 2,
+  '😚': 2,
+  ':kissing_closed_eyes:': 2,
+  '😘': 3,
+  ':kissing_heart:': 3,
+  '😙': 2,
+  ':kissing_smiling_eyes:': 2,
+  '😆': 1,
+  ':laughing:': 1,
+  '👄': 2,
+  ':lips:': 2,
+  '🤥': -2,
+  ':lying_face:': -2,
+  '😷': -1,
+  ':mask:': -1,
+  '🤑': 0,
+  ':money_mouth_face:': 0,
+  '🤢': -2,
+  ':nauseated_face:': -2,
+  '🤓': -1,
+  ':nerd_face:': -1,
+  '😐': 0,
+  ':neutral_face:': 0,
+  '😶': 0,
+  ':no_mouth:': 0,
+  '👌': 2,
+  ':ok_hand:': 2,
+  '😮': -2,
+  ':open_mouth:': -2,
+  '😔': -1,
+  ':pensive:': -1,
+  '😣': -2,
+  ':persevere:': -2,
+  '😾': -4,
+  ':pouting_cat:': -4,
+  '🙏': 1,
+  ':pray:': 1,
+  '👊': -1,
+  ':fist_oncoming:': -1,
+  '💜': 3,
+  ':purple_heart:': 3,
+  '😡': -4,
+  ':rage:': -4,
+  '🙌': 4,
+  ':raised_hands:': 4,
+  '☺️': 2,
+  ':relaxed:': 2,
+  '😌': 2,
+  ':relieved:': 2,
+  '💞': 3,
+  ':revolving_hearts:': 3,
+  '🤣': 4,
+  ':rofl:': 4,
+  '🙄': -1,
+  ':roll_eyes:': -1,
+  '😱': -3,
+  ':scream:': -3,
+  '🙀': -3,
+  ':scream_cat:': -3,
+  '💩': -3,
+  ':hankey:': -3,
+  '💀': -2,
+  ':skull:': -2,
+  '☠️': -2,
+  ':skull_and_crossbones:': -2,
+  '😴': 0,
+  ':sleeping:': 0,
+  '😪': 0,
+  ':sleepy:': 0,
+  '🙁': -1,
+  ':slightly_frowning_face:': -1,
+  '🙂': 1,
+  ':slightly_smiling_face:': 1,
+  '😄': 2,
+  ':smile:': 2,
+  '😸': 2,
+  ':smile_cat:': 2,
+  '😃': 2,
+  ':smiley:': 2,
+  '😺': 2,
+  ':smiley_cat:': 2,
+  '😈': -3,
+  ':smiling_imp:': -3,
+  '😏': 2,
+  ':smirk:': 2,
+  '😼': 2,
+  ':smirk_cat:': 2,
+  '🤧': -2,
+  ':sneezing_face:': -2,
+  '😭': -3,
+  ':sob:': -3,
+  '💖': 3,
+  ':sparkling_heart:': 3,
+  '😛': 1,
+  ':stuck_out_tongue:': 1,
+  '😝': 0,
+  ':stuck_out_tongue_closed_eyes:': 0,
+  '😜': -1,
+  ':stuck_out_tongue_winking_eye:': -1,
+  '😎': 1,
+  ':sunglasses:': 1,
+  '😓': -1,
+  ':sweat:': -1,
+  '😅': 2,
+  ':sweat_smile:': 2,
+  '🤔': -1,
+  ':thinking:': -1,
+  '👎': -2,
+  ':-1:': -2,
+  '👍': 2,
+  ':+1:': 2,
+  '😫': -2,
+  ':tired_face:': -2,
+  '😤': 0,
+  ':triumph:': 0,
+  '💕': 3,
+  ':two_hearts:': 3,
+  '😒': -2,
+  ':unamused:': -2,
+  '🙃': 0,
+  ':upside_down_face:': 0,
+  '✌️': 2,
+  ':v:': 2,
+  '😩': -2,
+  ':weary:': -2,
+  '😉': 3,
+  ':wink:': 3,
+  '😟': -3,
+  ':worried:': -3,
+  '💛': 3,
+  ':yellow_heart:': 3,
+  '😋': 3,
+  ':yum:': 3,
+  '🤐': -1,
+  ':zipper_mouth_face:': -1
+}