@ifcloud-formily/core

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The form state core management package does not rely on any third-party UI frameworks. This package will provide the following features:

• Manage Form status
• Manage Field status
• Manage the Validator status
• Manage dependencies between Form, Field, and Validator

Install

1npm install --save @ifcloud-formily/core

Table Of Contents

• Backdrop
• Design Concept
• Core highlights
• Architecture diagram
• Terminology explanation
• API
  • createForm
  • registerValidationFormats
  • registerValidationRules
  • registerValidationMTEngine
  • setValidationLanguage
  • setValidationLocale
• Classes
  • new FormPath()
  • new FormLifeCyle()
• Enums
  • Lifecycletypes
• Interfaces
  • IFormCreatorOptions
  • IForm
  • IMutators
  • Validation
  • IFormState
  • IFieldState
  • IVirtualFieldState
  • IField/IVirtualField

Background

There are two main scenarios in the middle and back-end field, one is data entry, one is data query + data presentation, whether it is data entry or data query, it is realized by means of form, from the perspective of implementation complexity, the complexity of them is similar, because the data rendering level will inevitably have extremely complex renderings (such as Tree Table, etc.), but the data rendering is easier to reuse and abstract, only the Form requirements will involve a lot of interactive logic. So, as long as we solve the Form problem fundamentally, for the mid- and back-stage scenes, most of the mid- and back-stage scene problems are solved.

Formily is born for this purpose.

Design

Anything comes from Observable Graph.

Core highlights

• Time travel, with the help of the Observable Graph, can record the full state at any time, can also roll back the state to any time, such abilities will maximize the performance in heavy transaction applications and local debugging scenarios.

• Efficient update, accurate rendering, no full tree rendering required

• Built-in immer.js, intelligent degradation, no need to care about browser compatibility

• More complete life cycle hook

• More complete verification engine

• • ValidateFirst verification
  • Warning Verification (no blocking submission verification)
  • Verification message template engine (a complex verification message solution that does not affect international copy storage)
  • The verification rule can be extended, and the regular verification library can be extended.

• More flexible path parsing, matching, evaluation, value engine

• • Batch matching data path capability
  • Deconstruct evaluation, deconstruct value ability

• Provides state management capabilities beyond the basic form state model.

Architecture diagram

Terminology explanation

FormPath/FormPathPattern Is an abstract data path form, FormPath is a path class, and FormPathPattern is a path form that can be parsed by FormPath. Cool-path Path parsing matching, ability to evaluate values

The virtual field Is a special Field data structure. The difference between the Field and the Field is that it does not manage values. That is to say, it has no relevance to the value of the Form. Usually we use it, more importantly, it acts as a proxy for the status of a UI container. For example, the layout component FormBlock in Formily exists as an independent node in the whole Form Graph, however, this node type is a VirtualField, but when the final data is submitted, the FormBlock does not pollute the data structure of the submitted data.

Observable Graph Form is a unique Observer Tree. With the help of the observer tree, many forms-related internal linkage logic can be implemented.

Data Path Is the name attribute of Field/VirtualField, which exists as the data path.

Node Path Is the path attribute of Field/VirtualField, which exists as the node path.

For the data path and node path, we can look at the following figure:

If there exists such a tree, then:

• The name attribute of field c is a.c, and the path attribute is a.b.c.
• The name attribute of field B is a.b, and the path attribute is a.b.
• The name attribute of field d is a.d, and the path attribute is a.d.
• The name attribute of field e is a.d.e, and the path attribute is a.d.e.

After this explanation, we roughly understand that as long as VirtualField exists in a node path, its data path will skip VirtualField. However, for VirtualField itself, its name attribute contains its own node identification, which is why the name attribute of field B is a.b.

API

createForm

Create a Form instance

Signature

createForm(options?: IFormCreatorOptions): IForm

Usage

 import { createForm } from '@ifcloud-formily/core'

 const form = createForm({
   values:{},
   initialValues:{},
   onChange:(values)=>{
     console.log(values)
   }
 })

const aa = form.registerField({
  path:"aa"
})

aa.setState(state=>{
  state.value = 123
})
console.log(form.getFormState(state=>state.values)) //{aa:123}

registerValidationFormats

Register a regular verification rule set

Signature

registerValidationFormats(formats:{
    [formatName in string]: RegExp;
}) : void

Usage

 import { createForm,registerValidationFormats } from '@ifcloud-formily/core'

 registerValidationFormats({
   number: /^[+-]?\d+(\.\d+)?$/
 })

 const form = createForm({
   values:{},
   initialValues:{},
  onChange:(values)=>{
    console.log(values)
  }
})

const aa = form.registerField({
  path:"aa",
  rules:[{
    format:"number",
    message:'This field is not a number.'
  }]
})

aa.setState(state=>{
  state.value = 'hello world'
})
form.validate()

console.log(form.getFormState(state=>state.errors))
/**
[{
    path: 'aa',
    messages: [ 'This field is not a number.' ]
}]
**/

registerValidationRules

The difference between registering a verification rule set and registering formats is that it can register complex verification rules, but the formats are just regular expressions.

Signature

registerValidationRules(
  rules:{
     [ruleName:string]:(value:any,rule:ValidateDescription)=>boolean
  }
) : void

Usage

 import { createForm,registerValidationRules } from '@ifcloud-formily/core'

 registerValidationRules({
   custom: value => {
     return value === '123' ? 'This field can not be 123' : ''
   }
 })

 const form = createForm({
  values: {},
  initialValues: {},
  onChange: values => {
    console.log(values)
  }
})

const aa = form.registerField({
  path: 'aa',
  rules: [
    {
      custom: true
    }
  ]
})

aa.setState(state => {
  state.value = '123'
})
form.validate()

console.log(form.getFormState(state =>state.errors))
/**
[{
    path: 'aa',
    messages: ['This field can not be 123']
}]
**/

registerValidationMTEngine

Register a verification message template engine

Signature

registerValidationMTEngine(callback:(message,context)=>any) : void

Usage

 import { createForm,registerValidationMTEngine } from '@ifcloud-formily/core'

 registerValidationMTEngine((message,context)=>{
   return message.replace(/\{\{\s*(\w+)\s*\}\}/g, (_, $0) => {
       return FormPath.getIn(context, $0)
   })
 })

 const form = createForm({
  values: {},
  initialValues: {},
  onChange: values => {
    console.log(values)
  }
})

const aa = form.registerField({
  path: 'aa',
  rules: [
    {
      validator(value){
         return value === 123 : 'This field can not be 123 {{scope.outerVariable}}'
      },
      scope:{
        outerVariable:'addonAfter'
      }
    }
  ]
})

aa.setState(state => {
  state.value = '123'
})
form.validate()

console.log(form.getFormState(state =>state.errors))
/**
[{
    path: 'aa',
    messages: ['This field can not be 123 addonAfter']
}]
**/

setValidationLanguage

Set the international language type

Signature

setValidationLanguage(lang: string): void

Usage

import { setValidationLanguage } from '@ifcloud-formily/core'

setValidationLanguage('en-US')

setValidationLocale

Set a language pack

Signature

interface ILocaleMessages {
    [key: string]: string | ILocaleMessages;
}
interface ILocales {
    [lang: string]: ILocaleMessages;
}
setValidationLocale(locale: ILocales) => void

Usage

import { setValidationLocale } from '@ifcloud-formily/core'

setValidationLocale({
  'en-US':{
    required:"This field is required."
  }
})

Classes

new FormPath()

The form path engine is responsible for path analysis, matching, evaluation, value, deconstruction evaluation, and deconstruction value.

For more information, see: https://github.com/janrywang/cool-path

new FormLifeCycle()

Create a life cycle listener

Signature

type FormLifeCycleHandler<T> = (payload: T, context: any) => void

new FormLifeCycle(handler: FormLifeCycleHandler<Payload>)
new FormLifeCycle(...type: LifeCycleTypes, handler: FormLifeCycleHandler<Payload>...)
new FormLifeCycle(handlerMap: { [key: LifeCycleTypes]: FormLifeCycleHandler<Payload> })

Usage

1 import { createForm,FormLifeCycle,LifeCycleTypes } from '@ifcloud-formily/core'
2
3 const form = createForm({
4   lifecycles:[
5     new FormLifeCycle(({type:LifeCycleTypes,payload:IForm | IField | IVirtualField })=>{
6        // God mode, full monitoring
7     }),
8     new FormLifeCycle(
9       LifeCycleTypes.ON_FORM_MOUNT,
10      (payload:IForm | IField | IVirtualField)=>{
11        // Accurate monitoring
12    }),
13    new FormLifeCycle({
14      [LifeCycleTypes.ON_FORM_MOUNT]:(payload:IForm | IField | IVirtualField)=>{
15        // Object form accurate listener
16      }
17    }),
18  ]
19})

Enums

LifeCycleTypes

1enum LifeCycleTypes { // Form pre-initialization trigger
2  /**
3   * Form LifeCycle
4   **/ ON_FORM_WILL_INIT = 'onFormWillInit',
5
6  // Form initialization trigger
7  ON_FORM_INIT = 'onFormInit',
8
9  // Triggered when the form changes
10  ON_FORM_CHANGE = 'onFormChange',
11
12  // Triggered when the form is mounted
13  ON_FORM_MOUNT = 'onFormMount',
14
15  // Triggered when the form is unloaded
16  ON_FORM_UNMOUNT = 'onFormUnmount',
17
18  // Triggered when the form is submitted
19  ON_FORM_SUBMIT = 'onFormSubmit',
20
21  // Triggered when the form is reset
22  ON_FORM_RESET = 'onFormReset',
23
24  // Triggered when the form submission starts
25  ON_FORM_SUBMIT_START = 'onFormSubmitStart',
26
27  // Triggered when the form submission ends
28  ON_FORM_SUBMIT_END = 'onFormSubmitEnd',
29
30  // Triggered when the form submission within validate
31  ON_FORM_SUBMIT_VALIDATE_START = 'onFormSubmitValidateStart',
32
33  // Triggered when the form submission ends due to validate successs
34  ON_FORM_SUBMIT_VALIDATE_SUCCESS = 'onFormSubmitValidateSuccess',
35
36  // Triggered when the form submission ends due to validate failed
37  ON_FORM_SUBMIT_VALIDATE_FAILED = 'onFormSubmitValidateFailed',
38
39  // Triggered when the onSubmit success
40  ON_FORM_ON_SUBMIT_SUCCESS = 'onFormOnSubmitSuccess',
41
42  // Triggered when the onSubmit failed
43  ON_FORM_ON_SUBMIT_FAILED = 'onFormOnSubmitFailed',
44
45  // Triggered when the form value changes
46  ON_FORM_VALUES_CHANGE = 'onFormValuesChange',
47
48  // Trigger when the form initial value changes
49  ON_FORM_INITIAL_VALUES_CHANGE = 'onFormInitialValuesChange',
50
51  // Triggered when form validation begins
52  ON_FORM_VALIDATE_START = 'onFormValidateStart',
53
54  // Triggered when the form validation ends
55  ON_FORM_VALIDATE_END = 'onFormValidateEnd',
56
57  // Triggered when the form event is triggered, used to monitor only manual operations
58  ON_FORM_INPUT_CHANGE = 'onFormInputChange', // Triggered when the form observer tree changes
59  /**
60   * FormGraph LifeCycle
61   **/ ON_FORM_GRAPH_CHANGE = 'onFormGraphChange', // Triggered when pre-initialized
62  /**
63   * Field LifeCycle
64   **/ ON_FIELD_WILL_INIT = 'onFieldWillInit',
65
66  // Triggered when the field is initialized
67  ON_FIELD_INIT = 'onFieldInit',
68
69  // Triggered when the field changes
70  ON_FIELD_CHANGE = 'onFieldChange',
71
72  // Triggered when the field event is triggered, used to monitor only manual operations
73  ON_FIELD_INPUT_CHANGE = 'onFieldInputChange',
74
75  // Triggered when the field value changes
76  ON_FIELD_VALUE_CHANGE = 'onFieldValueChange',
77
78  // Trigger when the initial value of the field changes
79  ON_FIELD_INITIAL_VALUE_CHANGE = 'onFieldInitialValueChange',
80
81  // Triggered when the field is mounted
82  ON_FIELD_MOUNT = 'onFieldMount',
83
84  // Trigger when the field is unloaded
85  ON_FIELD_UNMOUNT = 'onFieldUnmount'
86}

Interfaces

IFormCreatorOptions

CreateForm parameter object protocol

1interface IFormCreatorOptions {
2  // Form initial value
3  initialValues?: {} // Form value
4
5  values?: {} // LifeCycle listener, here mainly introduced to the instantiated object of FormLifeCycle
6
7  lifecycles?: FormLifeCycle[] // Is it editable, overall control in the Form dimension
8
9  editable?: boolean | ((name: string) => boolean) // Whether to use the dirty check, the default will go immer accurate update
10
11  useDirty?: boolean // Whether to go pessimistic check, stop the subsequent check when the first check fails
12
13  validateFirst?: boolean // Form change event callback
14
15  onChange?: (values: IFormState['values']) => void // Form submission event callback
16
17  onSubmit?: (values: IFormState['values']) => any | Promise<any> // Form reset event callback
18
19  onReset?: () => void // Form verification failure event callback
20
21  onValidateFailed?: (validated: IFormValidateResult) => void
22}

IForm

Form instance object API created by using createForm

1interface IForm {
2  /*
3   * Form submission, if the callback parameter returns Promise,
4   * Then the entire submission process will hold and load is true.
5   * Wait for Promise resolve to trigger the form onFormSubmitEnd event while loading is false
6   */
7  submit(
8    onSubmit?: (values: IFormState['values']) => any | Promise<any>
9  ): Promise<{
10    Validated: IFormValidateResult
11    Payload: any //onSubmit callback function return value
12  }>
13  /*
14   * Clear the error message, you can pass the FormPathPattern to batch or precise control of the field to be cleared.
15   * For example, clearErrors("*(aa,bb,cc)")
16   */
17  clearErrors: (pattern?: FormPathPattern) => void
18  /*
19   * Get status changes, mainly used to determine which states in the current life cycle have changed in the form lifecycle hook.
20   * For example, hasChanged(state,'value.aa')
21   */
22  hasChanged(
23    target: IFormState | IFieldState | IVirtualFieldState,
24    path: FormPathPattern
25  ): boolean
26  /*
27   * Reset form
28   */
29  reset(options?: {
30    // Forced to empty
31    forceClear?: boolean // Forced check
32    validate?: boolean // Reset range for batch or precise control of the field to be reset
33    selector?: FormPathPattern
34    clearInitialValue?: boolean //Clear initialValue
35  }): Promise<void | IFormValidateResult>
36  /*
37   * Validation form, throw IFormValidateResult when validation fails
38   */
39  validate(
40    path?: FormPathPattern,
41    options?: {
42      // Is it pessimistic check, if the current field encounters the first verification error, stop the subsequent verification process
43      first?: boolean
44    }
45  ): Promise<IFormValidateResult>
46  /*
47   * Set the form status
48   */
49  setFormState( // Operation callback
50    callback?: (state: IFormState) => any, // No trigger the event
51    silent?: boolean
52  ): void
53  /*
54   * Get form status
55   */
56  getFormState( //transformer
57    callback?: (state: IFormState) => any
58  ): any
59  /*
60   * Set the field status
61   */
62  setFieldState( // Field path
63    path: FormPathPattern, // Operation callback
64    callback?: (state: IFieldState) => void, // No trigger the event
65    silent?: boolean
66  ): void
67  /*
68   * Get the field status
69   */
70  getFieldState( // Field path
71    path: FormPathPattern, // Transformer
72    callback?: (state: IFieldState) => any
73  ): any
74  /*
75   * Registration field
76   */
77  registerField(props: {
78    // Node path
79    path?: FormPathPattern // Data path
80    name?: string // Field value
81    value?: any // Field multi-value
82    values?: any[] // Field initial value
83    initialValue?: any // Field extension properties
84    visible?: boolean //Field initial visible status(Whether the data is visible)
85    display?: boolean //Field initial display status(Whether the style is visible)
86    props?: any // Field check rule
87    rules?: ValidatePatternRules[] // Field is required
88    required?: boolean // Is the field editable?
89    editable?: boolean // Whether the field is dirty check
90    useDirty?: boolean // Field state calculation container, mainly used to extend the core linkage rules
91    computeState?: (draft: IFieldState, prevState: IFieldState) => void
92  }): IField
93  /*
94   * Register virtual fields
95   */
96  registerVirtualField(props: {
97    // Node path
98    path?: FormPathPattern // Data path
99    name?: string // Field extension properties
100    visible?: boolean //Field initial visible status(Whether the data and style is visible)
101    display?: boolean //Field initial display status(Whether the style is visible)
102    props?: any // Whether the field is dirty check
103    useDirty?: boolean // Field state calculation container, mainly used to extend the core linkage rules
104    computeState?: (draft: IFieldState, prevState: IFieldState) => void
105  }): IVirtualField
106  /*
107   * Create a field data operator, which will explain the returned API in detail later.
108   */
109  createMutators(field: IField | FormPathPattern): IMutators
110  /*
111   * Get the form observer tree
112   */
113  getFormGraph(): IFormGraph
114  /*
115   * Set the form observer tree
116   */
117  setFormGraph(graph: IFormGraph): void
118  /*
119   * Listen to the form life cycle
120   */
121  subscribe(
122    callback?: ({ type, payload }: { type: string; payload: any }) => void
123  ): number
124  /*
125   * Cancel the listening form life cycle
126   */
127  unsubscribe(id: number): void
128  /*
129   * Trigger form custom life cycle
130   */
131  notify: <T>(type: string, payload?: T) => void
132  /*
133   * Set the field value
134   */
135  setFieldValue(path?: FormPathPattern, value?: any): void
136  /*
137   * Get the field value
138   */
139  getFieldValue(path?: FormPathPattern): any
140  /*
141   * Set the initial value of the field
142   */
143  setFieldInitialValue(path?: FormPathPattern, value?: any): void
144  /*
145   * Get the initial value of the field
146   */
147  getFieldInitialValue(path?: FormPathPattern): any
148}

IMutators

The instance API created by crewikiutators is mainly used to operate field data.

1interface IMutators {
2  // Changing the field value and multi parameter condition will store all parameters in values
3  change(...values: any[]): any
4  // Get focus, trigger active state change
5  focus(): void
6  // Lose focus, trigger active / visited status change
7  blur(): void
8  // Trigger current field verifier
9  validate(): Promise<IFormValidateResult>
10  // Whether the value of the current field exists in the values property of form
11  exist(index?: number | string): Boolean
12
13  /**Array operation method**/
14
15  // Append data
16  push(value?: any): any[]
17  // Pop up tail data
18  pop(): any[]
19  // Insert data
20  insert(index: number, value: any): any[]
21  // Delete data
22  remove(index: number | string): any
23  // Head insertion
24  unshift(value: any): any[]
25  // Head ejection
26  shift(): any[]
27  // Move element
28  move($from: number, $to: number): any[]
29  // Move down
30  moveDown(index: number): any[]
31  // Move up
32  moveUp(index: number): any[]
33}

Validation

Here we mainly list the intermediate type signatures related to verification.

1type CustomValidator = (
2  value: any,
3  description?: ValidateDescription
4) => ValidateResponse
5type SyncValidateResponse =
6  | null
7  | string
8  | boolean
9  | {
10      type?: 'error' | 'warning'
11      message: string
12    }
13type AsyncValidateResponse = Promise<SyncValidateResponse>
14type ValidateResponse = SyncValidateResponse | AsyncValidateResponse
15
16interface IFormValidateResult {
17  errors: Array<{
18    path: string
19    messages: string[]
20  }>
21  warnings: Array<{
22    path: string
23    messages: string[]
24  }>
25}
26
27type InternalFormats =
28  | 'url'
29  | 'email'
30  | 'ipv6'
31  | 'ipv4'
32  | 'idcard'
33  | 'taodomain'
34  | 'qq'
35  | 'phone'
36  | 'money'
37  | 'zh'
38  | 'date'
39  | 'zip'
40  | string
41
42interface ValidateDescription {
43  // Regular rule type
44  format?: InternalFormats
45  // Custom validator
46  validator?: CustomValidator
47  // Is it required?
48  required?: boolean
49  // Customize with regularity
50  pattern?: RegExp | string
51  // Maximum length rule
52  max?: number
53  // Maximum numerical rule
54  maximum?: number
55  // Exclusive maximum numerical rule
56  exclusiveMaximum?: number
57  // Exclusive minimum numerical rules
58  exclusiveMinimum?: number
59  // Minimum value rule
60  minimum?: number
61  // Minimum length rule
62  min?: number
63  // Length rule
64  len?: number
65  // Whether to check the white space
66  whitespace?: boolean
67  // Enumeration check rules
68  enum?: any[]
69  // Custom error copy
70  message?: string
71  // Custom validation rules
72  [key: string]: any
73}

IFormState

Form the core state

1interface IFormState<FormProps = any> {
2  /**Read-only attribute**/
3  // Is it in the original state, pristine is true only when values === initialValues
4  pristine: boolean // Is it legal, as long as the error length is greater than 0, the valid is false
5  valid: boolean // Is it illegal, as long as the error length is greater than 0, the valid is true
6  invalid: boolean // Is it in the check state, it will only be set when calling the validate API
7  validating: boolean // Is it in the commit state, it will only be set when the submit API is called
8  submitting: boolean //Error message list
9  errors: string[] //Alarm message list
10  warnings: string[] /** writable property**/ // Is it in the loaded state, writable state, as long as validating is true, the state will also be true, the same as false
11  loading: boolean // Is it in the initial state?
12  initialized: boolean // Is it editable?
13  editable: boolean | ((name: string) => boolean) // form value
14  values: {} // form initial value
15  initialValues: {} // form mount, the life cycle hook mentioned earlier, must be triggered by setting the state, the default will not trigger
16  mounted: boolean // Form unmount, the life cycle hook mentioned earlier, must be triggered by setting the state, the default will not trigger
17  unmounted: boolean // Form extension properties
18  props: FormProps
19}

IFieldState

CORE Field status

1interface IFieldState<FieldProps = any> {
2  /**Read-only attribute**/
3  // State name, FieldState
4  displayName?: string // Data path
5  name: string // Node path
6  path: string // Has been initialized
7  initialized: boolean // Is it in the original state, the state is true only when value===initialValues
8  pristine: boolean // Is it in a legal state, as long as the error length is greater than 0, the valid is false
9  valid: boolean // Is it illegal, as long as the error length is greater than 0, the valid is true
10  invalid: boolean // Is it in check state?
11  validating: boolean // Is it modified, if the value changes, the property is true, and will be true throughout the life of the field
12  modified: boolean // Is it touched?
13  touched: boolean // Is it activated, when the field triggers the onFocus event, it will be triggered to true, when onBlur is triggered, it is false
14  active: boolean // Have you ever visited, when the field triggers the onBlur event, it will be triggered to true
15  visited: boolean /** writable property**/ // Is it visible, note: if the state is false, then the value of the field will not be submitted, and the UI will not display
16  visible: boolean // Whether to show, note: if the state is false, then the value of the field will be submitted, the UI will not display, similar to the form hidden field
17  display: boolean // Is it editable?
18  editable: boolean // Is it in the loading state, note: if the field is in asynchronous verification, loading is true
19  loading: boolean // Field multi-parameter value, such as when the field onChange trigger, the event callback passed multi-parameter data, then the value of all parameters will be stored here
20  values: any[] // Field error message
21  errors: string[] // Field alert message
22  warnings: string[] // Field value, is equal to values[0]
23  value: any // Initial value
24  initialValue: any // Check the rules, the specific type description refers to the following documents
25  rules: ValidatePatternRules[] // Is it required?
26  required: boolean // Whether to mount
27  mounted: boolean // Whether to uninstall
28  unmounted: boolean // field extension properties
29  props: FieldProps
30}

IVirtualFieldState

Virtual Field core status

1interface IVirtualFieldState<FieldProps = any> {
2  /**Read-only status**/
3  // State name, VirtualFieldState
4  displayName: string // Field data path
5  name: string // Field node path
6  path: string // Has been initialized
7  initialized: boolean /** writable status**/ // Is it visible, note: if the state is false, the UI will not be displayed, the data will not be submitted (because it is a VirtualField)
8  visible: boolean // Whether to show, note: if the state is false, the UI will not display, the data will not be submitted (because it is VirtualField)
9  display: boolean // Is it mounted?
10  mounted: boolean // Has been uninstalled
11  unmounted: boolean // field extension properties
12  props: FieldProps
13}

IField/IVirtualField

The instance API created by using registerField/registerVirtualField

1interface IField/IVirtualField {
2   // Batch update container
3   batch: (callback?: () => void) => void
4   // Get the status
5   getState: (callback?: (state: IFieldState) => any) => any
6   // Set the status
7   setState: (
8      callback?: (state: IFieldState | Draft<IFieldState>) => void,
9      silent?: boolean
10   ) => void
11   // Get the source status
12   getSourceState: (callback?: (state: IFieldState) => any) => any
13   // Set the source state
14   setSourceState: (callback?: (state: IFieldState) => void) => void
15   // Get status changes
16   hasChanged: (key?: string) => boolean
17   // Get the state dirty
18   isDirty: (key?: string) => boolean
19   // Get state dirty information
20   getDirtyInfo: () => StateDirtyMap<IFieldState>
21}