Merge pull request '[feat] add array validate contains type' (#16) from feature/add-array-contains-type-validate into develop

Reviewed-on: #16

types/array.js

@@ -1,5 +1,6 @@
 const Base = require('./base.js')
 const util = require('util')
+const validate = require('../validate.js')
 
 class TypeArray extends Base {
   constructor () {
@@ -8,6 +9,10 @@ class TypeArray extends Base {
     this._empty = false
     this._min = null
     this._max = null
+    /**
+     * @type {Base[]}
+     */
+    this._itemTypes = []
   }
 
   /**
@@ -30,6 +35,11 @@ class TypeArray extends Base {
     return this
   }
 
+  items (...args) {
+    this._itemTypes.push(...args)
+    return this
+  }
+
   /**
    * set max length
    * @param {number} num
@@ -50,6 +60,23 @@ class TypeArray extends Base {
     if (!this._empty && value.length === 0) return `not allow empty`
     if (this._min !== null && value.length < this._min) return `value length < ${this._min}`
     if (this._max !== null && value.length > this._max) return `value length > ${this._max}`
+
+    for (const item of value) {
+      let verified = false
+      let fail = ''
+      for (const type of this._itemTypes) {
+        const result = type.validate(item)
+        if (result) {
+          fail = result
+        } else {
+          verified = true
+          fail = ''
+          break
+        }
+      }
+      if (!verified || fail) return fail || `item type not match`
+    }
+
     return null
   }
 }

types/array.test.js

@@ -1,5 +1,7 @@
 /* eslint-disable no-undef */
 const TypeArray = require('./array.js')
+const TypeString = require('./string.js')
+const TypeObject = require('./object.js')
 
 describe('test validate schema type array', () => {
   function throwFunc (val) {
@@ -59,4 +61,15 @@ describe('test validate schema type array', () => {
 
     expect(throwFunc(arr.validate([1, 2, 3]))).toThrow()
   })
+
+  it('test array contains value', async () => {
+    const arr = new TypeArray().items(new TypeString())
+
+    expect(throwFunc(arr.validate([1, 2, 3]))).toThrow()
+    throwFunc(arr.validate(['asd']))
+
+    const arr2 = new TypeArray().items(new TypeString(), new TypeObject())
+    expect(throwFunc(arr2.validate([123, true]))).toThrow()
+    throwFunc(arr2.validate(['asd', '33', {}]))
+  })
 })