diff --git a/.eslintrc.yml b/.eslintrc.yml
index 3420248..cb9511d 100644
--- a/.eslintrc.yml
+++ b/.eslintrc.yml
@@ -7,7 +7,9 @@ ignorePatterns:
   - coverage/
   - dist/
   - rollup.config.js
-  
+  - lib/data/full.js
+  - lib/data/light.js
+
 rules:
   accessor-pairs:         2
   array-bracket-spacing:  [ 2, "always", { "singleValue": true, "objectsInArrays": true, "arraysInArrays": true } ]
diff --git a/README.md b/README.md
index e467b1d..7dccc9c 100644
--- a/README.md
+++ b/README.md
@@ -11,8 +11,8 @@ __v1.+ requires `markdown-it` v4.+, see changelog.__
 Three versions:
 
 - __Full__ (default), with all github supported emojis.
-- [Light](https://github.com/markdown-it/markdown-it-emoji/blob/master/lib/data/light.json), with only well-supported unicode emojis and reduced size.
-- Bare, without included emojis or shortcuts. This requires defining your own definitions and shortcuts. 
+- [Light](https://github.com/markdown-it/markdown-it-emoji/blob/master/lib/data/light.js), with only well-supported unicode emojis and reduced size.
+- Bare, without included emojis or shortcuts. This requires defining your own definitions and shortcuts.
 
 Also supports emoticons [shortcuts](https://github.com/markdown-it/markdown-it-emoji/blob/master/lib/data/shortcuts.js) like `:)`, `:-(`, and others. See the full list in the link above.
 
diff --git a/index.js b/index.js
index f07b71f..89cbd39 100644
--- a/index.js
+++ b/index.js
@@ -1,7 +1,7 @@
 'use strict';
 
 
-var emojies_defs      = require('./lib/data/full.json');
+var emojies_defs      = require('./lib/data/full');
 var emojies_shortcuts = require('./lib/data/shortcuts');
 var bare_emoji_plugin = require('./bare');
 
diff --git a/lib/data/full.json b/lib/data/full.js
similarity index 99%
rename from lib/data/full.json
rename to lib/data/full.js
index c42e1a4..f8644b4 100644
--- a/lib/data/full.json
+++ b/lib/data/full.js
@@ -1,4 +1,5 @@
-{
+// Generated, don't edit
+module.exports = {
   "100": "💯",
   "1234": "🔢",
   "grinning": "😀",
@@ -1902,4 +1903,4 @@
   "england": "🏴󠁧󠁢󠁥󠁮󠁧󠁿",
   "scotland": "🏴󠁧󠁢󠁳󠁣󠁴󠁿",
   "wales": "🏴󠁧󠁢󠁷󠁬󠁳󠁿"
-}
\ No newline at end of file
+}
diff --git a/lib/data/light.json b/lib/data/light.js
similarity index 98%
rename from lib/data/light.json
rename to lib/data/light.js
index 93992eb..e2c0116 100644
--- a/lib/data/light.json
+++ b/lib/data/light.js
@@ -1,4 +1,5 @@
-{
+// Generated, don't edit
+module.exports = {
   "grinning": "😀",
   "smiley": "😃",
   "smile": "😄",
@@ -149,4 +150,4 @@
   "white_medium_small_square": "◽",
   "black_small_square": "▪️",
   "white_small_square": "▫️"
-}
\ No newline at end of file
+}
diff --git a/light.js b/light.js
index b32ebe6..9529d91 100644
--- a/light.js
+++ b/light.js
@@ -1,7 +1,7 @@
 'use strict';
 
 
-var emojies_defs      = require('./lib/data/light.json');
+var emojies_defs      = require('./lib/data/light');
 var emojies_shortcuts = require('./lib/data/shortcuts');
 var bare_emoji_plugin = require('./bare');
 
diff --git a/support/update.js b/support/update.js
index 406824a..ec74fd0 100755
--- a/support/update.js
+++ b/support/update.js
@@ -27,6 +27,12 @@ function download(url) {
   });
 }
 
+function obj2js(obj) {
+  return `// Generated, don't edit
+module.exports = ${JSON.stringify(obj, null, 2)}
+`;
+}
+
 download(emojiSrc).then(data => {
 
   let defs = JSON.parse(data.toString());
@@ -54,7 +60,10 @@ download(emojiSrc).then(data => {
     });
   });
 
-  fs.writeFileSync(join(__dirname, '../lib/data/full.json'), JSON.stringify(emojies, null, 2), 'utf8');
+
+
+
+  fs.writeFileSync(join(__dirname, '../lib/data/full.js'), obj2js(emojies), 'utf8');
 
   //
   // Write light set
@@ -72,6 +81,6 @@ download(emojiSrc).then(data => {
     });
   });
 
-  fs.writeFileSync(join(__dirname, '../lib/data/light.json'), JSON.stringify(emoji_light, null, 2), 'utf8');
+  fs.writeFileSync(join(__dirname, '../lib/data/light.js'), obj2js(emoji_light), 'utf8');
 
 }).catch(err => console.error(err));
diff --git a/test/test.js b/test/test.js
index 205e41e..4e4a2b3 100644
--- a/test/test.js
+++ b/test/test.js
@@ -94,8 +94,8 @@ describe('markdown-it-emoji-bare', function () {
 
 
 var emojies_shortcuts  = require('../lib/data/shortcuts');
-var emojies_defs       = require('../lib/data/full.json');
-var emojies_defs_light = require('../lib/data/light.json');
+var emojies_defs       = require('../lib/data/full');
+var emojies_defs_light = require('../lib/data/light');
 
 describe('integrity', function () {