index.js

@@ -1,5 +1,5 @@
 const types = require('./types/index.js')
-const BaseType = require('./types/base.js') // eslint-disable-line
+const validate = require('./validate.js')
 const validator = {}
 module.exports = validator
 
@@ -10,38 +10,9 @@ validator.boolean = () => new types.BooleanType()
 validator.array = () => new types.ArrayType()
 validator.object = () => new types.ObjectType()
 
-/**
- * @exports
- * @typedef SchemaField
- * @property {BaseType} type
- * @property {SchemaField} children
- */
-/**
- * @exports
- * @typedef {Object<string, SchemaField|BaseType>} Schema
- */
-
 /**
  * validate
  * @param {Object} src
- * @param {Schema} schema
+ * @param {import('./type.js').Schema} schema
  */
-validator.validate = function (src, schema) {
+validator.validate = validate
-  if (typeof src !== 'object' || typeof schema !== 'object') throw new Error('source or schema not object')
-
-  for (const it in schema) {
-    if (schema[it] instanceof BaseType) {
-      const result = schema[it].validate(src[it])
-      if (result) throw new Error(`field [${it}]: ${result}`)
-    } else if (typeof schema[it] === 'object' && 'type' in schema[it] && schema[it].type instanceof BaseType) {
-      const result = schema[it].type.validate(src[it])
-      if (result) throw new Error(`field [${it}]: ${result}`)
-    } else {
-      throw new Error('not get any check schema type')
-    }
-
-    if (typeof schema[it] === 'object' && 'children' in schema[it]) {
-      validator.validate(src[it], schema[it].children)
-    }
-  }
-}

package.json

@@ -10,6 +10,7 @@
   "author": "",
   "license": "ISC",
   "devDependencies": {
-    "jest": "^26.0.1"
+    "jest": "^26.0.1",
+    "standard": "^12.0.1"
   }
 }

type.js

@@ -0,0 +1,13 @@
+const BaseType = require('./types/base.js') // eslint-disable-line
+
+/**
+ * @exports
+ * @typedef SchemaField
+ * @property {BaseType} type
+ * @property {SchemaField} children
+ */
+/**
+ * @exports
+ * @typedef {Object<string, SchemaField|BaseType>} Schema
+ */
+module.exports = {}

types/array.test.js

@@ -18,7 +18,7 @@ describe('test validate schema type array', () => {
   it('test type array with required', async () => {
     const arr = new TypeArray().required()
 
-    arr.validate([1, 2])
+    throwFunc(arr.validate([1, 2]))
 
     expect(throwFunc(arr.validate(undefined))).toThrow()
   })
@@ -26,7 +26,7 @@ describe('test validate schema type array', () => {
   it('test type array with empty', async () => {
     const arr = new TypeArray().empty()
 
-    arr.validate([])
+    throwFunc(arr.validate([]))
   })
 
   it('test type array without empty', async () => {
@@ -43,7 +43,7 @@ describe('test validate schema type array', () => {
     expect(() => new TypeArray().min(-1)).toThrow()
     expect(() => new TypeArray().max(1).min(2)).toThrow()
 
-    arr.validate([1, 2])
+    throwFunc(arr.validate([1, 2]))
 
     expect(throwFunc(arr.validate([1]))).toThrow()
   })
@@ -55,7 +55,7 @@ describe('test validate schema type array', () => {
     expect(() => new TypeArray().max(false)).toThrow()
     expect(() => new TypeArray().min(5).max(3)).toThrow()
 
-    arr.validate([1])
+    throwFunc(arr.validate([1]))
 
     expect(throwFunc(arr.validate([1, 2, 3]))).toThrow()
   })

types/base.js

@@ -1,7 +1,8 @@
 /**
  * type builder interface
  *
- * @interface
+ * @class
+ * @exports
  */
 class BaseType {
   constructor () {

types/boolean.test.js

@@ -11,7 +11,7 @@ describe('test validate schema type boolean', () => {
   it('test type boolean required', async () => {
     const bool = new TypeBoolean().required()
 
-    bool.validate(true)
+    throwFunc(bool.validate(true))
 
     expect(throwFunc(bool.validate(undefined))).toThrow()
     expect(throwFunc(bool.validate({}))).toThrow()

types/number.test.js

@@ -11,7 +11,9 @@ describe('test validate schema type number', () => {
   it('test type number with required', async () => {
     const num = new TypeNumber().required()
 
-    num.validate(1)
+    throwFunc(num.validate(1))
+
+    throwFunc(num.validate(1.23))
 
     expect(throwFunc(num.validate(undefined))).toThrow()
     expect(throwFunc(num.validate({}))).toThrow()
@@ -24,7 +26,7 @@ describe('test validate schema type number', () => {
     expect(() => new TypeNumber().min(false)).toThrow()
     expect(() => new TypeNumber().max(1).min(2)).toThrow()
 
-    num.validate(2)
+    throwFunc(num.validate(2))
 
     expect(throwFunc(num.validate(-1))).toThrow()
   })
@@ -36,7 +38,7 @@ describe('test validate schema type number', () => {
     expect(() => new TypeNumber().max(false)).toThrow()
     expect(() => new TypeNumber().min(3).max(2)).toThrow()
 
-    num.validate(2)
+    throwFunc(num.validate(2))
 
     expect(throwFunc(num.validate(3))).toThrow()
   })

types/object.js

@@ -1,10 +1,20 @@
 const Base = require('./base.js')
 const util = require('util')
+const validate = require('../validate.js')
+
+/**
+ * @typedef {import('../type.js').Schema} Schema
+ */
 
 class TypeObject extends Base {
-  constructor () {
+  /**
+   * @param {Object<string, Schema>} child
+   */
+  constructor (child) {
     super()
+    if (child && typeof child !== 'object') throw new Error('child type wrong')
     this._type = 'object'
+    this._child = child && Object.keys(child).length > 0 ? child : null
   }
 
   validate (value) {
@@ -12,6 +22,13 @@ class TypeObject extends Base {
     if (value === undefined) return null
     /* eslint-disable-next-line */
     if (typeof value !== this._type) return `${util.inspect(value, false, null)} type not ${this._type}`
+    if (this._child !== null) {
+      try {
+        validate(value, this._child)
+      } catch (err) {
+        return err.message
+      }
+    }
     return null
   }
 }

types/object.test.js

@@ -1,5 +1,6 @@
 /* eslint-disable no-undef */
 const TypeObject = require('./object.js')
+const TypeString = require('./string.js')
 
 describe('test validate type schema object', () => {
   function throwFunc (val) {
@@ -11,9 +12,17 @@ describe('test validate type schema object', () => {
   it('test object type with required', async () => {
     const obj = new TypeObject().required()
 
-    obj.validate({})
+    throwFunc(obj.validate({}))
 
     expect(throwFunc(obj.validate(undefined))).toThrow()
     expect(throwFunc(obj.validate(false))).toThrow()
   })
+
+  it('test object type with child', async () => {
+    const obj = new TypeObject({
+      name: new TypeString()
+    }).required()
+
+    throwFunc(obj.validate({ name: 'asd' }))
+  })
 })

types/string.js

@@ -11,6 +11,7 @@ class TypeString extends Base {
     this._max = null
     this._min = null
     this._empty = false
+    this._regexp = null
   }
 
   /**
@@ -43,6 +44,17 @@ class TypeString extends Base {
     return this
   }
 
+  /**
+   * set test pattern with regexp
+   * @param {RegExp} regexp
+   */
+  pattern (regexp) {
+    if (!(regexp instanceof RegExp)) throw new Error('input wrong')
+    if (this._regexp !== null) throw new Error('regexp pattern already exist')
+    this._regexp = regexp
+    return this
+  }
+
   validate (value) {
     if (value === undefined && this._required) return `required`
     if (value === undefined) return null
@@ -52,6 +64,7 @@ class TypeString extends Base {
     const len = value.length
     if (this._min !== null && len < this._min) return `value length < ${this._min}`
     if (this._max !== null && len > this._max) return `value length > ${this._max}`
+    if (this._regexp !== null && !this._regexp.test(value)) return `value pattern not match ${this._regexp.toString()}`
     return null
   }
 }

types/string.test.js

@@ -10,24 +10,24 @@ describe('test validate type schema string', () => {
 
   it('test string type without required', async () => {
     const str = new TypeString()
-    str.validate(undefined)
+    throwFunc(str.validate(undefined))
   })
 
   it('test string type with required', async () => {
     const str = new TypeString().required()
-    str.validate('123')
+    throwFunc(str.validate('123'))
 
     expect(throwFunc(str.validate(undefined))).toThrow()
   })
 
   it('test string type with empty', async () => {
     const str = new TypeString().empty().required()
-    str.validate('')
+    throwFunc(str.validate(''))
   })
 
   it('test string type without empty', async () => {
     const str = new TypeString().required()
-    str.validate('asd')
+    throwFunc(str.validate('asd'))
 
     expect(throwFunc(str.validate(''))).toThrow()
   })
@@ -39,7 +39,7 @@ describe('test validate type schema string', () => {
     expect(() => new TypeString().min(false)).toThrow()
     expect(() => new TypeString().max(2).min(3)).toThrow()
 
-    str.validate('asd')
+    throwFunc(str.validate('asd'))
 
     expect(throwFunc(str.validate('a'))).toThrow()
   })
@@ -51,8 +51,16 @@ describe('test validate type schema string', () => {
     expect(() => new TypeString().max(false)).toThrow()
     expect(() => new TypeString().min(2).max(1)).toThrow()
 
-    str.validate('a')
+    throwFunc(str.validate('a'))
 
     expect(throwFunc(str.validate('asd'))).toThrow()
   })
+
+  it('test string type with pattern', async () => {
+    const str = new TypeString().required().pattern(/^asd$/)
+
+    expect(throwFunc(str.validate('dsa'))).toThrow()
+
+    throwFunc(str.validate('asd'))
+  })
 })

validate.js

@@ -0,0 +1,27 @@
+const BaseType = require('./types/base.js')
+
+/**
+ * validate
+ * @param {Object} src
+ * @param {import('./type.js').Schema} schema
+ */
+function validate (src, schema) {
+  if (typeof src !== 'object' || typeof schema !== 'object') throw new Error('source or schema not object')
+  for (const it in schema) {
+    if (schema[it] instanceof BaseType) {
+      const result = schema[it].validate(src[it])
+      if (result) throw new Error(`field [${it}]: ${result}`)
+    } else if (typeof schema[it] === 'object' && 'type' in schema[it] && schema[it].type instanceof BaseType) {
+      const result = schema[it].type.validate(src[it])
+      if (result) throw new Error(`field [${it}]: ${result}`)
+    } else {
+      throw new Error('not get any check schema type')
+    }
+
+    if (typeof schema[it] === 'object' && 'children' in schema[it]) {
+      validate(src[it], schema[it].children)
+    }
+  }
+}
+
+module.exports = validate