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@ngx-formly/core

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Formly is a dynamic (JSON powered) form library for Angular that bring unmatched maintainability to your application's forms.

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import { Component, Input, ChangeDetectionStrategy } from '@angular/core'; import { FORMLY_VALIDATORS, isObject } from '../utils'; import { isObservable, of } from 'rxjs'; import { merge } from 'rxjs'; import { startWith, switchMap, filter } from 'rxjs/operators'; import { AsyncPipe } from '@angular/common'; import * as i0 from "@angular/core"; import * as i1 from "../services/formly.config"; import * as i2 from "@angular/common"; /** * The `<formly-validation-message>` component renders the error message of a given `field`. */ export class FormlyValidationMessage { constructor(config) { this.config = config; } ngOnChanges() { const EXPR_VALIDATORS = FORMLY_VALIDATORS.map((v) => `templateOptions.${v}`); this.errorMessage$ = merge(this.field.formControl.statusChanges, !this.field.options ? of(null) : this.field.options.fieldChanges.pipe(filter(({ field, type, property }) => { return (field === this.field && type === 'expressionChanges' && (property.indexOf('validation') !== -1 || EXPR_VALIDATORS.indexOf(property) !== -1)); }))).pipe(startWith(null), switchMap(() => (isObservable(this.errorMessage) ? this.errorMessage : of(this.errorMessage)))); } get errorMessage() { const fieldForm = this.field.formControl; for (const error in fieldForm.errors) { if (fieldForm.errors.hasOwnProperty(error)) { let message = this.config.getValidatorMessage(error); if (isObject(fieldForm.errors[error])) { if (fieldForm.errors[error].errorPath) { return undefined; } if (fieldForm.errors[error].message) { message = fieldForm.errors[error].message; } } if (this.field.validation?.messages?.[error]) { message = this.field.validation.messages[error]; } if (this.field.validators?.[error]?.message) { message = this.field.validators[error].message; } if (this.field.asyncValidators?.[error]?.message) { message = this.field.asyncValidators[error].message; } if (typeof message === 'function') { return message(fieldForm.errors[error], this.field); } return message; } } return undefined; } static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: FormlyValidationMessage, deps: [{ token: i1.FormlyConfig }], target: i0.ɵɵFactoryTarget.Component }); } static { this.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "18.2.13", type: FormlyValidationMessage, isStandalone: true, selector: "formly-validation-message", inputs: { field: "field" }, usesOnChanges: true, ngImport: i0, template: '{{ errorMessage$ | async }}', isInline: true, dependencies: [{ kind: "pipe", type: AsyncPipe, name: "async" }], changeDetection: i0.ChangeDetectionStrategy.OnPush }); } } i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: FormlyValidationMessage, decorators: [{ type: Component, args: [{ selector: 'formly-validation-message', template: '{{ errorMessage$ | async }}', changeDetection: ChangeDetectionStrategy.OnPush, standalone: true, imports: [AsyncPipe], }] }], ctorParameters: () => [{ type: i1.FormlyConfig }], propDecorators: { field: [{ type: Input }] } }); export class LegacyFormlyValidationMessage extends FormlyValidationMessage { static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: LegacyFormlyValidationMessage, deps: null, target: i0.ɵɵFactoryTarget.Component }); } static { this.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "18.2.13", type: LegacyFormlyValidationMessage, selector: "formly-validation-message", usesInheritance: true, ngImport: i0, template: '{{ errorMessage$ | async }}', isInline: true, dependencies: [{ kind: "pipe", type: i2.AsyncPipe, name: "async" }], changeDetection: i0.ChangeDetectionStrategy.OnPush }); } } i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: LegacyFormlyValidationMessage, decorators: [{ type: Component, args: [{ selector: 'formly-validation-message', template: '{{ errorMessage$ | async }}', changeDetection: ChangeDetectionStrategy.OnPush, }] }] }); //# 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{ Component, Input, ChangeDetectionStrategy, OnChanges } from '@angular/core';\nimport { FormlyConfig } from '../services/formly.config';\nimport { FormlyFieldConfig } from '../models';\nimport { FORMLY_VALIDATORS, isObject } from '../utils';\nimport { Observable, isObservable, of } from 'rxjs';\nimport { merge } from 'rxjs';\nimport { startWith, switchMap, filter } from 'rxjs/operators';\nimport { AsyncPipe } from '@angular/common';\n\n/**\n * The `<formly-validation-message>` component renders the error message of a given `field`.\n */\n@Component({\n  selector: 'formly-validation-message',\n  template: '{{ errorMessage$ | async }}',\n  changeDetection: ChangeDetectionStrategy.OnPush,\n  standalone: true,\n  imports: [AsyncPipe],\n})\nexport class FormlyValidationMessage implements OnChanges {\n  /** The field config. */\n  @Input() field: FormlyFieldConfig;\n  errorMessage$: Observable<string>;\n\n  constructor(private config: FormlyConfig) {}\n\n  ngOnChanges() {\n    const EXPR_VALIDATORS = FORMLY_VALIDATORS.map((v) => `templateOptions.${v}`);\n    this.errorMessage$ = merge(\n      this.field.formControl.statusChanges,\n      !this.field.options\n        ? of(null)\n        : this.field.options.fieldChanges.pipe(\n            filter(({ field, type, property }) => {\n              return (\n                field === this.field &&\n                type === 'expressionChanges' &&\n                (property.indexOf('validation') !== -1 || EXPR_VALIDATORS.indexOf(property) !== -1)\n              );\n            }),\n          ),\n    ).pipe(\n      startWith(null),\n      switchMap(() => (isObservable(this.errorMessage) ? this.errorMessage : of(this.errorMessage))),\n    );\n  }\n\n  get errorMessage() {\n    const fieldForm = this.field.formControl;\n    for (const error in fieldForm.errors) {\n      if (fieldForm.errors.hasOwnProperty(error)) {\n        let message = this.config.getValidatorMessage(error);\n\n        if (isObject(fieldForm.errors[error])) {\n          if (fieldForm.errors[error].errorPath) {\n            return undefined;\n          }\n\n          if (fieldForm.errors[error].message) {\n            message = fieldForm.errors[error].message;\n          }\n        }\n\n        if (this.field.validation?.messages?.[error]) {\n          message = this.field.validation.messages[error];\n        }\n\n        if (this.field.validators?.[error]?.message) {\n          message = this.field.validators[error].message;\n        }\n\n        if (this.field.asyncValidators?.[error]?.message) {\n          message = this.field.asyncValidators[error].message;\n        }\n\n        if (typeof message === 'function') {\n          return message(fieldForm.errors[error], this.field);\n        }\n\n        return message;\n      }\n    }\n\n    return undefined;\n  }\n}\n\n@Component({\n  selector: 'formly-validation-message',\n  template: '{{ errorMessage$ | async }}',\n  changeDetection: ChangeDetectionStrategy.OnPush,\n})\nexport class LegacyFormlyValidationMessage extends FormlyValidationMessage {}\n"]}