@developerwellness/angular-typed-forms
Version:
283 lines • 42.7 kB
JavaScript
import { InjectionToken } from '@angular/core';
import { FormArray, FormControl, FormGroup, } from '@angular/forms';
function createTypedFormArray(controls, validatorOrOpts, asyncValidator) {
return new TypedFormArray(controls, validatorOrOpts, asyncValidator);
}
class TypedFormArrayIterator {
constructor(_formArray) {
this._formArray = _formArray;
this._index = 0;
}
next() {
if (this._index < this._formArray.length) {
const control = this._formArray.controls[this._index];
this._index++;
return {
value: control,
done: false,
};
}
return {
value: null,
done: true,
};
}
}
class TypedFormArray extends FormArray {
constructor(controls, validatorOrOpts, asyncValidator) {
super(controls, validatorOrOpts, asyncValidator);
}
add(value) {
super.push(createTypedControls(value));
}
[Symbol.iterator]() {
return new TypedFormArrayIterator(this);
}
}
function createTypedFormControl(formState, validatorOrOpts, asyncValidator) {
return new TypedFormControl(formState, validatorOrOpts, asyncValidator);
}
class TypedFormControl extends FormControl {
constructor(formState, validatorOrOpts, asyncValidator) {
super(formState, validatorOrOpts, asyncValidator);
}
setValue(value, options) {
super.setValue(value, options);
}
patchValue(value, options) {
super.patchValue(value, options);
}
reset(formState, options) {
super.reset(formState, options);
}
}
function createTypedFormGroup(controls, validatorOrOpts, asyncValidator) {
return new TypedFormGroup(controls, validatorOrOpts, asyncValidator);
}
export class TypedFormGroup extends FormGroup {
constructor(controls, validatorOrOpts, asyncValidator) {
super(controls, validatorOrOpts, asyncValidator);
}
setReadonly(_value) { }
getValue() {
return this.value;
}
}
function _hasValueChanged(valueA, valueB) {
const result = !deepEquals(valueA.value, valueB);
return result;
}
function _isArray(value) {
return Array.isArray(value);
}
function _isObject(value) {
return !!(typeof value === 'object' && value);
}
function _shouldBeProcessedFactory(options) {
return (value) => !options.ignoreFields.includes(value);
}
function _containsErrors(value) {
if (!value?.errors)
return false;
return true;
}
function createTypedFormGroupControls(value, options) {
if (!value)
return null;
return Object.keys(value)
.map((key) => [key, createTypedControls(value[key], options, key)])
.reduce((formGroupControls, [key, formControl]) => ({
...formGroupControls,
[key]: formControl,
}), {});
}
function _isTypedFormModel(formValue) {
return (_isObject(formValue) &&
'value' in formValue &&
('validatorOrOpts' in formValue || 'asyncValidator' in formValue));
}
function createTypedControls(formValue, options = { ignoreFields: [] }, key) {
const shouldBeProcessed = _shouldBeProcessedFactory(options);
if (_isArray(formValue) && shouldBeProcessed(key)) {
return createTypedFormArray(formValue.map((item) => createTypedControls(item, options, key)));
}
else if (_isObject(formValue) &&
!_isTypedFormModel(formValue) &&
shouldBeProcessed(key)) {
return createTypedFormGroup(createTypedFormGroupControls(formValue, options));
}
else {
return _isTypedFormModel(formValue)
? createTypedFormControl(formValue.value, formValue.validatorOrOpts, formValue.asyncValidator)
: createTypedFormControl(formValue);
}
}
function removeFormArrayControls(formArray, formValue) {
forEach(new Array(formArray.length - formValue.length), () => {
formArray.removeAt(0, { emitEvent: false });
});
}
function updateTypedFormArray(formArray, formValue, options = { ignoreFields: [] }) {
if (formArray.length > formValue.length) {
removeFormArrayControls(formArray, formValue);
forEach(formArray.controls, (item, index) => {
updateTypedFormControls(item, formValue[index], options);
});
}
else {
forEach(formValue, (item, index) => {
if (formArray.controls[index]) {
updateTypedFormControls(formArray.controls[index], item, options);
}
else {
//Should be fixed with https://github.com/angular/angular/issues/20439#issuecomment-763976919
formArray.push(createTypedControls(item, options), { emitEvent: false });
}
});
}
}
function updateTypedFormGroup(formGroup, formValue, options = { ignoreFields: [] }) {
if (!formValue) {
Object.keys(formGroup.value)
.filter((key) => formGroup &&
formGroup.contains &&
formGroup.contains(key))
.map((key) => formGroup.get(key))
.forEach((itemControl) => {
itemControl.patchValue(null, { emitEvent: false });
});
}
else {
Object.keys(formValue)
.filter((key) => formGroup &&
formGroup.contains &&
formGroup.contains(key))
.map((key) => [formValue[key], formGroup.get(key), key])
.forEach(([item, itemControl, key]) => updateTypedFormControls(itemControl, item, options, key));
Object.keys(formValue)
.filter((key) => formGroup &&
formGroup.contains &&
!formGroup.contains(key))
.map((key) => [key, formValue[key]])
.forEach(([key, item]) => formGroup.addControl(key, createTypedControls(item, options, key), {
emitEvent: false,
}));
}
}
function updateTypedFormControl(formControl, formValue) {
if (_containsErrors(formValue)) {
const { errors } = formValue;
formControl.setErrors(errors);
}
else {
formControl.patchValue(formValue, { emitEvent: false });
formControl.setErrors(null);
}
}
function updateTypedFormControls(formControl, formValue, options = { ignoreFields: [] }, key) {
const _shouldBeIgnored = _shouldBeProcessedFactory(options);
if (_isArray(formValue || formControl.value) &&
_shouldBeIgnored(key) &&
_hasValueChanged(formControl, formValue)) {
updateTypedFormArray(formControl, formValue, options);
}
else if (_isObject(formControl.value || formControl.value) &&
_shouldBeIgnored(key) &&
_hasValueChanged(formControl, formValue) &&
formControl?.controls) {
updateTypedFormGroup(formControl, formValue, options);
}
else if (_hasValueChanged(formControl, formValue)) {
updateTypedFormControl(formControl, formValue);
}
}
const FORM_GROUP_PROP = 'formGroup';
const VALUE_PROP = 'value';
export function typedFormBuilderFactory(defaultValue, options = { ignoreFields: [] }) {
if (!defaultValue)
return null;
const formGroup = createTypedControls(defaultValue, options);
const controlValueProxyHandler = {
get: (target, prop) => {
if (target[prop] === undefined)
return undefined;
if (prop != FORM_GROUP_PROP) {
if (Array.isArray(target[prop])) {
return formGroup.get(prop);
}
else if (_isObject(target[prop])) {
return new Proxy(target[prop], controlValueProxyHandler);
}
return formGroup.get(prop);
}
return target[prop];
},
set: (target, prop, value) => {
if (prop !== FORM_GROUP_PROP) {
if (prop === VALUE_PROP) {
updateTypedFormControls(formGroup, value, options);
}
else {
updateTypedFormControls(formGroup.get(prop), value, options);
}
}
else {
target[prop] = value;
}
return true;
},
};
const formBuilder = new Proxy({
value: defaultValue,
}, controlValueProxyHandler);
formBuilder.formGroup = formGroup;
return formBuilder;
}
export const TYPED_FORM_BUILDER = new InjectionToken('TYPED_FORM_BUILDER');
function forEach(elements, callback, returnIf) {
let result = true;
const length = elements.length;
for (let index = 0; index < length; index++) {
result = callback(elements[index], index);
if (!!returnIf && returnIf(result)) {
return result;
}
}
if (returnIf) {
return result;
}
return false;
}
function deepEquals(objectA, objectB) {
if ((objectA === null || objectA === undefined) &&
(objectB === null || objectB === undefined))
return true;
if (!objectA || !objectB)
return false;
if (typeof objectA !== 'object' && typeof objectB !== 'object') {
return objectA === objectB;
}
if (Array.isArray(objectA) && Array.isArray(objectB)) {
if (objectA.length !== objectB.length)
return false;
return forEach(objectA, function (elementA, index) {
return deepEquals(elementA, objectB[index]);
}, function (result) {
return !result;
});
}
if (typeof objectA === 'object' && typeof objectB === 'object') {
if (Object.keys(objectA).length === 0 && Object.keys(objectA).length === 0)
return true;
return forEach(Object.keys(objectA), function (objectAKey) {
if (typeof objectB[objectAKey] !== undefined) {
return deepEquals(objectA[objectAKey], objectB[objectAKey]);
}
return false;
}, function (result) {
return !result;
});
}
return false;
}
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{ InjectionToken } from '@angular/core';\nimport {\n  AbstractControl,\n  AbstractControlOptions,\n  AsyncValidatorFn,\n  FormArray,\n  FormControl,\n  FormGroup,\n  ValidatorFn,\n} from '@angular/forms';\n\nfunction createTypedFormArray<T, E>(\n  controls: ITypedAbstractFormControl<T>[],\n  validatorOrOpts?: ValidatorFn | ValidatorFn[] | AbstractControlOptions | null,\n  asyncValidator?: AsyncValidatorFn | AsyncValidatorFn[] | null\n): TypedFormArray<T, E> {\n  return new TypedFormArray<T, E>(controls, validatorOrOpts, asyncValidator);\n}\n\nexport interface ITypedFormArray<_T, E = any>\n  extends Iterable<AbstractControl>,\n    FormArray {\n  add(value: E | ITypedFormModel<E>);\n}\n\nclass TypedFormArrayIterator<E>\n  implements Iterator<ITypedAbstractFormControl<E>>\n{\n  private _index = 0;\n  constructor(private _formArray: TypedFormArray<any, any>) {}\n  next() {\n    if (this._index < this._formArray.length) {\n      const control = this._formArray.controls[this._index];\n      this._index++;\n      return {\n        value: control as ITypedAbstractFormControl<E>,\n        done: false as const,\n      };\n    }\n    return {\n      value: null,\n      done: true as const,\n    };\n  }\n}\n\nclass TypedFormArray<T, E = any>\n  extends FormArray\n  implements ITypedFormArray<T, E>\n{\n  constructor(\n    controls: ITypedAbstractFormControl<T>[],\n    validatorOrOpts?:\n      | ValidatorFn\n      | ValidatorFn[]\n      | AbstractControlOptions\n      | null,\n    asyncValidator?: AsyncValidatorFn | AsyncValidatorFn[] | null\n  ) {\n    super(controls, validatorOrOpts, asyncValidator);\n  }\n\n  add(value: E) {\n    super.push(createTypedControls(value));\n  }\n\n  [Symbol.iterator](): Iterator<ITypedAbstractFormControl<E>> {\n    return new TypedFormArrayIterator<E>(this);\n  }\n}\n\nfunction createTypedFormControl<T>(\n  formState: T,\n  validatorOrOpts?: ValidatorFn | ValidatorFn[] | AbstractControlOptions | null,\n  asyncValidator?: AsyncValidatorFn | AsyncValidatorFn[] | null\n): TypedFormControl<T> {\n  return new TypedFormControl<T>(formState, validatorOrOpts, asyncValidator);\n}\n\ninterface ITypedAbstractFormControl<T> extends AbstractControl {\n  value: T;\n}\n\ninterface ITypedFormControl<T> extends FormControl {\n  value: T;\n}\n\nclass TypedFormControl<T> extends FormControl implements ITypedFormControl<T> {\n  constructor(\n    formState: T,\n    validatorOrOpts?:\n      | ValidatorFn\n      | ValidatorFn[]\n      | AbstractControlOptions\n      | null,\n    asyncValidator?: AsyncValidatorFn | AsyncValidatorFn[] | null\n  ) {\n    super(formState, validatorOrOpts, asyncValidator);\n  }\n\n  setValue(\n    value: T,\n    options?: {\n      onlySelf?: boolean;\n      emitEvent?: boolean;\n      emitModelToViewChange?: boolean;\n      emitViewToModelChange?: boolean;\n    }\n  ) {\n    super.setValue(value, options);\n  }\n\n  patchValue(\n    value: T,\n    options?: {\n      onlySelf?: boolean;\n      emitEvent?: boolean;\n      emitModelToViewChange?: boolean;\n      emitViewToModelChange?: boolean;\n    }\n  ) {\n    super.patchValue(value, options);\n  }\n\n  reset(\n    formState?: T,\n    options?: {\n      onlySelf?: boolean;\n      emitEvent?: boolean;\n    }\n  ) {\n    super.reset(formState, options);\n  }\n}\n\nfunction createTypedFormGroup<T>(\n  controls: ITypedFormGroupControls<T>,\n  validatorOrOpts?: ValidatorFn | ValidatorFn[] | AbstractControlOptions | null,\n  asyncValidator?: AsyncValidatorFn | AsyncValidatorFn[] | null\n): TypedFormGroup<T> {\n  return new TypedFormGroup<T>(controls, validatorOrOpts, asyncValidator);\n}\n\nexport interface ITypedFormGroup<T> extends FormGroup {\n  controls: ITypedFormGroupControls<T>;\n  setReadonly(value: boolean);\n  getValue(): T;\n}\n\ntype ITypedFormGroupControls<T> = {\n  [P in keyof T]?: T[P] extends (infer E)[]\n    ? ITypedFormArray<T, E>\n    : T[P] extends object\n    ? ITypedFormGroup<T[P]>\n    : ITypedFormControl<T[P]>;\n};\n\nexport class TypedFormGroup<T> extends FormGroup implements ITypedFormGroup<T> {\n  controls: ITypedFormGroupControls<T>;\n  constructor(\n    controls: ITypedFormGroupControls<T>,\n    validatorOrOpts?:\n      | ValidatorFn\n      | ValidatorFn[]\n      | AbstractControlOptions\n      | null,\n    asyncValidator?: AsyncValidatorFn | AsyncValidatorFn[] | null\n  ) {\n    super(controls, validatorOrOpts, asyncValidator);\n  }\n  setReadonly(_value: boolean) {}\n  getValue(): T {\n    return this.value;\n  }\n}\n\ninterface CreateTypedControlsOptions {\n  ignoreFields: string[];\n}\n\nfunction _hasValueChanged<T>(valueA: ITypedAbstractFormControl<T>, valueB: T) {\n  const result = !deepEquals(valueA.value, valueB);\n  return result;\n}\n\nfunction _isArray(value: any): value is any[] {\n  return Array.isArray(value);\n}\n\nfunction _isObject(value: any) {\n  return !!(typeof value === 'object' && value);\n}\n\nfunction _shouldBeProcessedFactory(options: CreateTypedControlsOptions) {\n  return (value: string) => !options.ignoreFields.includes(value);\n}\n\nfunction _containsErrors(value) {\n  if (!value?.errors) return false;\n  return true;\n}\n\nfunction createTypedFormGroupControls<T>(\n  value: T,\n  options: CreateTypedControlsOptions\n): ITypedFormGroupControls<T> {\n  if (!value) return null;\n  return Object.keys(value)\n    .map((key: string) => [key, createTypedControls(value[key], options, key)])\n    .reduce(\n      (\n        formGroupControls,\n        [key, formControl]: [string, ITypedFormControl<any>]\n      ) => ({\n        ...formGroupControls,\n        [key]: formControl,\n      }),\n      {}\n    );\n}\n\nfunction _isTypedFormModel<T>(\n  formValue: T | ITypedFormModelValue<T>\n): formValue is ITypedFormModelValue<T> {\n  return (\n    _isObject(formValue) &&\n    'value' in formValue &&\n    ('validatorOrOpts' in formValue || 'asyncValidator' in formValue)\n  );\n}\n\nfunction createTypedControls<T>(\n  formValue: T | ITypedFormModel<T>,\n  options: CreateTypedControlsOptions = { ignoreFields: [] },\n  key?: string\n): ITypedAbstractFormControl<T> {\n  const shouldBeProcessed = _shouldBeProcessedFactory(options);\n  if (_isArray(formValue) && shouldBeProcessed(key)) {\n    return createTypedFormArray(\n      formValue.map((item) => createTypedControls(item, options, key))\n    );\n  } else if (\n    _isObject(formValue) &&\n    !_isTypedFormModel(formValue) &&\n    shouldBeProcessed(key)\n  ) {\n    return createTypedFormGroup(\n      createTypedFormGroupControls(formValue, options)\n    );\n  } else {\n    return _isTypedFormModel(formValue)\n      ? createTypedFormControl(\n          formValue.value,\n          formValue.validatorOrOpts,\n          formValue.asyncValidator\n        )\n      : createTypedFormControl(formValue);\n  }\n}\n\nfunction removeFormArrayControls<T>(\n  formArray: ITypedFormArray<T>,\n  formValue: T[]\n) {\n  forEach(new Array(formArray.length - formValue.length), () => {\n    formArray.removeAt(0, { emitEvent: false });\n  });\n}\n\nfunction updateTypedFormArray<T>(\n  formArray: ITypedFormArray<T, any>,\n  formValue: T[],\n  options: CreateTypedControlsOptions = { ignoreFields: [] }\n) {\n  if (formArray.length > formValue.length) {\n    removeFormArrayControls(formArray, formValue);\n    forEach(formArray.controls, (item, index) => {\n      updateTypedFormControls(\n        item as ITypedAbstractFormControl<T>,\n        formValue[index],\n        options\n      );\n    });\n  } else {\n    forEach(formValue, (item, index) => {\n      if (formArray.controls[index]) {\n        updateTypedFormControls(\n          formArray.controls[index] as ITypedAbstractFormControl<T>,\n          item,\n          options\n        );\n      } else {\n        //Should be fixed with https://github.com/angular/angular/issues/20439#issuecomment-763976919\n        (formArray as ITypedFormArray<T>).push(\n          createTypedControls(item, options),\n          { emitEvent: false }\n        );\n      }\n    });\n  }\n}\n\nfunction updateTypedFormGroup<T>(\n  formGroup: ITypedFormGroup<T>,\n  formValue: T,\n  options: CreateTypedControlsOptions = { ignoreFields: [] }\n) {\n  if (!formValue) {\n    Object.keys(formGroup.value)\n      .filter(\n        (key) =>\n          formGroup &&\n          (formGroup as ITypedFormGroup<T>).contains &&\n          (formGroup as ITypedFormGroup<T>).contains(key)\n      )\n      .map((key) => formGroup.get(key))\n      .forEach((itemControl) => {\n        itemControl.patchValue(null, { emitEvent: false });\n      });\n  } else {\n    Object.keys(formValue)\n      .filter(\n        (key) =>\n          formGroup &&\n          (formGroup as ITypedFormGroup<T>).contains &&\n          (formGroup as ITypedFormGroup<T>).contains(key)\n      )\n      .map((key) => [formValue[key], formGroup.get(key), key])\n      .forEach(([item, itemControl, key]) =>\n        updateTypedFormControls(itemControl, item, options, key)\n      );\n    Object.keys(formValue)\n      .filter(\n        (key) =>\n          formGroup &&\n          (formGroup as ITypedFormGroup<T>).contains &&\n          !(formGroup as ITypedFormGroup<T>).contains(key)\n      )\n      .map((key) => [key, formValue[key]])\n      .forEach(([key, item]) =>\n        (formGroup as ITypedFormGroup<T>).addControl(\n          key,\n          createTypedControls(item, options, key),\n          {\n            emitEvent: false,\n          }\n        )\n      );\n  }\n}\n\nfunction updateTypedFormControl<T>(\n  formControl: ITypedFormControl<T>,\n  formValue: T\n) {\n  if (_containsErrors(formValue)) {\n    const { errors } = formValue as any;\n    formControl.setErrors(errors);\n  } else {\n    formControl.patchValue(formValue, { emitEvent: false });\n    formControl.setErrors(null);\n  }\n}\n\nfunction updateTypedFormControls<T>(\n  formControl: ITypedAbstractFormControl<T>,\n  formValue: T | T[],\n  options: CreateTypedControlsOptions = { ignoreFields: [] },\n  key?: string\n) {\n  const _shouldBeIgnored = _shouldBeProcessedFactory(options);\n  if (\n    _isArray(formValue || formControl.value) &&\n    _shouldBeIgnored(key) &&\n    _hasValueChanged(formControl, formValue)\n  ) {\n    updateTypedFormArray(\n      formControl as ITypedFormArray<T>,\n      formValue as T[],\n      options\n    );\n  } else if (\n    _isObject(formControl.value || formControl.value) &&\n    _shouldBeIgnored(key) &&\n    _hasValueChanged(formControl, formValue) &&\n    (formControl as ITypedFormGroup<T>)?.controls\n  ) {\n    updateTypedFormGroup(formControl as ITypedFormGroup<T>, formValue, options);\n  } else if (_hasValueChanged(formControl, formValue)) {\n    updateTypedFormControl(formControl as ITypedFormControl<T>, formValue);\n  }\n}\n\nconst FORM_GROUP_PROP = 'formGroup';\nconst VALUE_PROP = 'value';\n\ntype ITypedFormBuilderOptions = CreateTypedControlsOptions;\ntype ITypedFormModelValue<T> = {\n  value: T;\n  validatorOrOpts?: ValidatorFn | ValidatorFn[] | AbstractControlOptions | null;\n  asyncValidator?: AsyncValidatorFn | AsyncValidatorFn[] | null;\n};\nexport type ITypedFormModel<T> = {\n  [P in keyof T]: T[P] | ITypedFormModelValue<T[P]> | ITypedFormModel<T[P]>;\n};\n\nexport function typedFormBuilderFactory<T extends object>(\n  defaultValue: ITypedFormModel<T>,\n  options: ITypedFormBuilderOptions = { ignoreFields: [] }\n): ITypedFormBuilder<T> | null {\n  if (!defaultValue) return null;\n  const formGroup = createTypedControls<T>(defaultValue, options);\n  const controlValueProxyHandler = {\n    get: (target, prop) => {\n      if (target[prop] === undefined) return undefined;\n      if (prop != FORM_GROUP_PROP) {\n        if (Array.isArray(target[prop])) {\n          return formGroup.get(prop);\n        } else if (_isObject(target[prop])) {\n          return new Proxy(target[prop], controlValueProxyHandler);\n        }\n        return formGroup.get(prop);\n      }\n      return target[prop];\n    },\n    set: (target, prop, value) => {\n      if (prop !== FORM_GROUP_PROP) {\n        if (prop === VALUE_PROP) {\n          updateTypedFormControls(formGroup, value, options);\n        } else {\n          updateTypedFormControls(\n            formGroup.get(prop) as ITypedAbstractFormControl<T>,\n            value,\n            options\n          );\n        }\n      } else {\n        target[prop] = value;\n      }\n      return true;\n    },\n  };\n  const formBuilder = new Proxy(\n    {\n      value: defaultValue,\n    },\n    controlValueProxyHandler\n  );\n  formBuilder.formGroup = formGroup;\n  return formBuilder;\n}\n\nexport const TYPED_FORM_BUILDER: InjectionToken<ITypedFormBuilder<any>> =\n  new InjectionToken<ITypedFormBuilder<any>>('TYPED_FORM_BUILDER');\n\nfunction forEach<T>(\n  elements: T[],\n  callback: (item: T, index: number) => any,\n  returnIf?: any\n): boolean | void {\n  let result = true;\n  const length = elements.length;\n  for (let index = 0; index < length; index++) {\n    result = callback(elements[index], index);\n    if (!!returnIf && returnIf(result)) {\n      return result;\n    }\n  }\n  if (returnIf) {\n    return result;\n  }\n  return false;\n}\n\nfunction deepEquals(objectA, objectB) {\n  if (\n    (objectA === null || objectA === undefined) &&\n    (objectB === null || objectB === undefined)\n  )\n    return true;\n  if (!objectA || !objectB) return false;\n  if (typeof objectA !== 'object' && typeof objectB !== 'object') {\n    return objectA === objectB;\n  }\n  if (Array.isArray(objectA) && Array.isArray(objectB)) {\n    if (objectA.length !== objectB.length) return false;\n    return forEach(\n      objectA,\n      function (elementA, index) {\n        return deepEquals(elementA, objectB[index]);\n      },\n      function (result) {\n        return !result;\n      }\n    );\n  }\n  if (typeof objectA === 'object' && typeof objectB === 'object') {\n    if (Object.keys(objectA).length === 0 && Object.keys(objectA).length === 0)\n      return true;\n    return forEach(\n      Object.keys(objectA),\n      function (objectAKey) {\n        if (typeof objectB[objectAKey] !== undefined) {\n          return deepEquals(objectA[objectAKey], objectB[objectAKey]);\n        }\n        return false;\n      },\n      function (result) {\n        return !result;\n      }\n    );\n  }\n  return false;\n}\n\ntype ITypedFormBuilderValue<T> = {\n  [P in keyof T]?: T[P] extends (infer E)[]\n    ? ITypedFormArray<T[P], E> | T[P]\n    : T[P] extends object\n    ? ITypedFormBuilderValue<T[P]>\n    : ITypedFormControl<T[P]> | T[P];\n};\n\nexport interface ITypedFormBuilder<T> {\n  value: ITypedFormBuilderValue<T>;\n  formGroup: ITypedFormGroup<T>;\n}\n"]}