function comparator supported

Author: anhthang

.gitignore

@@ -59,3 +59,4 @@ typings/
 
 # testing file
 sandbox.js
+.vscode/

API.md

@@ -10,7 +10,7 @@
 ## `array.continuous(comparator, limit)`
 
 Specifies the allowed date format:
-- `comparator` - `string` that should check continuous or not.
+- `comparator` - `string` or `func` that should check continuous or not.
 - `limit` - `integer` or `ref` the value of `comparator` should be start. Default `0`
 
 ```js

README.md

@@ -8,8 +8,10 @@ Joi extensions for extra array rules.
 [![Build status](https://ci.appveyor.com/api/projects/status/6942dw1ikdg729y2/branch/master?svg=true)](https://ci.appveyor.com/project/buianhthang/joi-array-extensions/branch/master)
 [![Dependency Status](https://dependencyci.com/github/buianhthang/joi-array-extensions/badge)](https://dependencyci.com/github/buianhthang/joi-array-extensions)
 
-# Usage
+# API
+See the [API Reference](https://github.com/buianhthang/joi-array-extensions/blob/master/API.md).
 
+# Usage
 Usage is a two steps process. First, a schema is constructed using the provided types and constraints:
 
 ```js
@@ -25,13 +27,10 @@ const schema = Joi.array().items({
 # Coverage
 
 ```
-9 tests complete
-Test duration: 59 ms
-Assertions count: 25 (verbosity: 2.78)
+7 tests complete
+Test duration: 56 ms
+Assertions count: 40 (verbosity: 5.71)
 No global variable leaks detected
 Coverage: 100.00%
 Linting results: No issues
 ```
-
-# API
-See the [API Reference](https://github.com/buianhthang/joi-array-extensions/blob/master/API.md).

appveyor.yml

@@ -2,10 +2,6 @@ version: 1.0.{build}-{branch}
 
 build: off
 
-artifacts:
-  - path: build\**\*.tar.gz
-    name: joi-array-extensions
-
 environment:
   matrix:
     - nodejs_version: "8"

lib/index.js

@@ -18,7 +18,10 @@ module.exports = [
                     return `${params.comparator} must be an integer and started continuous from ${params.limit}`
                 },
                 params: Joi.object().keys({
-                    comparator: Joi.string().required(),
+                    comparator: Joi.alternatives(
+                        Joi.string().required(),
+                        Joi.func()
+                    ),
                     limit: Joi.alternatives()
                         .try(Joi.number().integer(), Joi.func().ref())
                         .default(0)
@@ -46,8 +49,16 @@ module.exports = [
                         startFrom = limit
                     }
 
+                    let key
+                    if (typeof comparator === 'function') {
+                        key = 'function comparator'
+                    }
+                    if (typeof comparator === 'string') {
+                        key = comparator
+                    }
+
                     const localState = {
-                        key: comparator,
+                        key,
                         path: state.path.concat(comparator),
                         parent: state.parent,
                         reference: state.reference

package-lock.json

@@ -44,14 +44,14 @@
   },
   "devDependencies": {
     "eslint": "^4.7.2",
-    "eslint-config-airbnb-base": "^12.0.0",
+    "eslint-config-airbnb-base": "^12.0.1",
     "eslint-config-prettier": "^2.5.0",
     "eslint-plugin-import": "^2.7.0",
     "eslint-plugin-prettier": "^2.3.1",
     "husky": "^0.14.3",
-    "joi": "^11.0.3",
+    "joi": "^11.1.1",
     "lab": "^14.3.1",
     "lint-staged": "^4.2.1",
-    "prettier": "^1.7.0"
+    "prettier": "^1.7.2"
   }
 }