.travis.yml

@@ -1,6 +1,6 @@
 language: node_js
 cache: yarn
 node_js:
-  - node
+  - "12"
   - "10"
   - "8"

CHANGELOG.md

@@ -1,6 +1,10 @@
 # Change Log
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## 2.1.5
+* Reduce size (by Max Graey).
+* Fix IE support.
+
 ## 2.1.4
 * Reduce `generate` size (by Vsevolod Rodionov).
 * Reduce `format` and `format` size (by Victor).

README.md

@@ -14,7 +14,7 @@ A tiny, secure, URL-friendly, unique string ID generator for JavaScript.
   So ID size was reduced from 36 to 21 symbols.
 
 ```js
-var nanoid = require('nanoid')
+const nanoid = require('nanoid')
 model.id = nanoid() //=> "V1StGXR8_Z5jdHi6B-myT"
 ```
 
@@ -161,6 +161,9 @@ nanoid(10) //=> "IRFa-VaY2b"
 Don’t forget to check the safety of your ID length
 in our [ID collision probability] calculator.
 
+You can also use [custom alphabet](#custom-alphabet-or-length)
+or [random generator](#custom-random-bytes-generator).
+
 [ID collision probability]: https://zelark.github.io/nano-id-cc/
 
 
@@ -248,7 +251,7 @@ probability.
 
 ```js
 const nanoid = require('nanoid/non-secure')
-model.id = nanoid() //=> "Uakgb_J5m9g-0JDMbcJqLJ"
+nanoid() //=> "Uakgb_J5m9g-0JDMbcJqLJ"
 ```
 
 

async/format.js

@@ -29,17 +29,17 @@
  * @function
  */
 module.exports = function (random, alphabet, size) {
-  var mask = (2 << 31 - Math.clz32((alphabet.length - 1) | 1)) - 1
+  var mask = (2 << Math.log(alphabet.length - 1) / Math.LN2) - 1
   var step = Math.ceil(1.6 * mask * size / alphabet.length)
-  size = +size
 
   function tick (id) {
     return random(step).then(function (bytes) {
-      for (var i = step; i--;) {
-        var byte = bytes[i] & mask
-        if (alphabet[byte]) {
-          id += alphabet[byte]
-          if (id.length === size) return id
+      var i = step
+      while (i--) {
+        var alpha = alphabet[bytes[i] & mask]
+        if (alpha) {
+          id += alpha
+          if (id.length === +size) return id
         }
       }
       return tick(id)

format.js

@@ -27,19 +27,18 @@
  * @function
  */
 module.exports = function (random, alphabet, size) {
-  var mask = (2 << 31 - Math.clz32((alphabet.length - 1) | 1)) - 1
+  var mask = (2 << Math.log(alphabet.length - 1) / Math.LN2) - 1
   var step = Math.ceil(1.6 * mask * size / alphabet.length)
   var id = ''
-  size = +size
 
   while (true) {
-    var bytes = random(step)
-    for (var i = step; i--;) {
-      var byte = bytes[i] & mask
-      var alpha = alphabet[byte]
+    var i = step
+    var bytes = random(i)
+    while (i--) {
+      var alpha = alphabet[bytes[i] & mask]
       if (alpha) {
         id += alpha
-        if (id.length === size) return id
+        if (id.length === +size) return id
       }
     }
   }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "nanoid",
-  "version": "2.1.4",
+  "version": "2.1.5",
   "description": "A tiny (139 bytes), secure URL-friendly unique string ID generator",
   "keywords": [
     "uuid",
@@ -41,7 +41,7 @@
     "eslint-config-standard": "^14.1.0",
     "eslint-plugin-es5": "^1.4.1",
     "eslint-plugin-import": "^2.18.2",
-    "eslint-plugin-jest": "^22.19.0",
+    "eslint-plugin-jest": "^22.20.0",
     "eslint-plugin-node": "^10.0.0",
     "eslint-plugin-prefer-let": "^1.0.1",
     "eslint-plugin-promise": "^4.2.1",
@@ -70,7 +70,7 @@
     },
     {
       "path": "generate.js",
-      "limit": "174 B"
+      "limit": "173 B"
     },
     {
       "path": "url.js",
@@ -90,7 +90,7 @@
     },
     {
       "path": "async/generate.js",
-      "limit": "199 B"
+      "limit": "198 B"
     }
   ],
   "eslintConfig": {