Merge pull request #27 from auth0/inline-format

Inline format function from the native utils module

Author: Steve Hobbs

.circleci/config.yml

@@ -0,0 +1,14 @@
+version: 2.1
+orbs:
+  node: circleci/node@1.1
+jobs:
+  build:
+    executor:
+      name: node/default
+      tag: '14.15'
+    steps:
+      - checkout
+      - node/with-cache:
+          steps:
+            - run: npm install
+      - run: npm run test

LICENSE

@@ -18,3 +18,26 @@ FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+============================================================================
+
+Copyright + license attribution for `format` function used in lib/helper.js:
+
+Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.

examples/basic.js

@@ -1,6 +1,6 @@
 var assert = require('assert');
 
-var format = require('util').format;
+var format = require('../lib/helper').format;
 
 var PasswordPolicy = require('..').PasswordPolicy;
 

examples/custom-rule.js

@@ -1,7 +1,5 @@
 var assert = require('assert');
 
-var format = require('util').format;
-
 // Custom rules
 
 // Let's create a custom rule named Foo. The rule will enforce that

lib/helper.js

@@ -70,4 +70,43 @@ _.isNaN = function(obj) {
   return _.isNumber(obj) && isNaN(obj);
 };
 
+// Code attribution
+// Inlined and modified from https://github.com/browserify/node-util/blob/e37ce41f4063bcd7bc27e01470d6654053bdcd14/util.js#L33-L69
+// Copyright Joyent, Inc. and other Node contributors.
+// Please see LICENSE for full copyright and license attribution.
+var formatRegExp = /%[sdj%]/g;
+
+_.format = function (f) {
+  var i = 1;
+  var args = arguments;
+  var len = args.length;
+  var str = String(f).replace(formatRegExp, function(x) {
+    if (x === '%%') return '%';
+    if (i >= len) return x;
+    switch (x) {
+      case '%s':
+        return String(args[i++]);
+      case '%d':
+        return Number(args[i++]);
+      case '%j':
+        try {
+          return JSON.stringify(args[i++]);
+        } catch (_) {
+          return '[Circular]';
+        }
+      default:
+        return x;
+    }
+  });
+  for (var x = args[i]; i < len; x = args[++i]) {
+    if (x === null || !_.isObject(x)) {
+      str += ' ' + x;
+    } else if (x !== null) {
+      str += ' ' + JSON.stringify(x);
+    }
+  }
+  return str;
+}
+// End code attribution
+
 module.exports = _;

lib/policy.js

@@ -1,4 +1,4 @@
-var format = require('util').format;
+var format = require('./helper').format;
 
 var PasswordPolicyError = require('./policy_error');