@ngx-formly/core/fesm2015/ngx-formly-core-select.mjs.map

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

{"version":3,"file":"ngx-formly-core-select.mjs","sources":["../../../../src/core/select/src/select-options.pipe.ts","../../../../src/core/select/src/select.module.ts","../../../../src/core/select/src/ngx-formly-core-select.ts"],"sourcesContent":["import { OnDestroy, Pipe, PipeTransform } from '@angular/core';\nimport { BehaviorSubject, Observable, Subscription } from 'rxjs';\nimport { filter, map, tap } from 'rxjs/operators';\nimport { FormlyFieldConfig, FormlyFieldProps } from '@ngx-formly/core';\n\nexport interface FormlySelectOption {\n  label: string;\n  disabled?: boolean;\n  value?: any;\n  group?: FormlySelectOption[];\n}\n\nexport interface FormlyFieldSelectProps extends FormlyFieldProps {\n  groupProp?: string | ((option: any) => string);\n  labelProp?: string | ((option: any) => string);\n  valueProp?: string | ((option: any) => any);\n  disabledProp?: string | ((option: any) => boolean);\n}\n\ntype ITransformOption = {\n  labelProp: (option: any) => string;\n  valueProp: (option: any) => any;\n  disabledProp: (option: any) => boolean;\n  groupProp: (option: any) => string;\n};\n\n@Pipe({ name: 'formlySelectOptions' })\nexport class FormlySelectOptionsPipe implements PipeTransform, OnDestroy {\n  private _subscription: Subscription;\n  private _options: BehaviorSubject<any[]>;\n\n  transform(options: any, field?: FormlyFieldConfig): Observable<FormlySelectOption[]> {\n    if (!(options instanceof Observable)) {\n      options = this.observableOf(options, field);\n    } else {\n      this.dispose();\n    }\n\n    return (options as Observable<any>).pipe(map((value) => this.transformOptions(value, field)));\n  }\n\n  ngOnDestroy(): void {\n    this.dispose();\n  }\n\n  private transformOptions(options: any[], field?: FormlyFieldConfig): FormlySelectOption[] {\n    const to = this.transformSelectProps(field);\n\n    const opts: FormlySelectOption[] = [];\n    const groups: { [id: string]: number } = {};\n\n    options?.forEach((option) => {\n      const o = this.transformOption(option, to);\n      if (o.group) {\n        const id = groups[o.label];\n        if (id === undefined) {\n          groups[o.label] = opts.push(o) - 1;\n        } else {\n          o.group.forEach((o) => opts[id].group.push(o));\n        }\n      } else {\n        opts.push(o);\n      }\n    });\n\n    return opts;\n  }\n\n  private transformOption(option: any, props: ITransformOption): FormlySelectOption {\n    const group = props.groupProp(option);\n    if (Array.isArray(group)) {\n      return {\n        label: props.labelProp(option),\n        group: group.map((opt) => this.transformOption(opt, props)),\n      };\n    }\n\n    option = {\n      label: props.labelProp(option),\n      value: props.valueProp(option),\n      disabled: !!props.disabledProp(option),\n    };\n\n    if (group) {\n      return { label: group, group: [option] };\n    }\n\n    return option;\n  }\n\n  private transformSelectProps(field?: FormlyFieldConfig): ITransformOption {\n    const props = field?.props || field?.templateOptions || {};\n    const selectPropFn = (prop: any) => (typeof prop === 'function' ? prop : (o: any) => o[prop]);\n\n    return {\n      groupProp: selectPropFn(props.groupProp || 'group'),\n      labelProp: selectPropFn(props.labelProp || 'label'),\n      valueProp: selectPropFn(props.valueProp || 'value'),\n      disabledProp: selectPropFn(props.disabledProp || 'disabled'),\n    };\n  }\n\n  private dispose() {\n    if (this._options) {\n      this._options.complete();\n      this._options = null;\n    }\n\n    if (this._subscription) {\n      this._subscription.unsubscribe();\n      this._subscription = null;\n    }\n  }\n\n  private observableOf(options: any, f?: FormlyFieldConfig) {\n    this.dispose();\n    if (f && f.options && f.options.fieldChanges) {\n      this._subscription = f.options.fieldChanges\n        .pipe(\n          filter(({ property, type, field }) => {\n            return (\n              type === 'expressionChanges' &&\n              (property.indexOf('templateOptions.options') === 0 || property.indexOf('props.options') === 0) &&\n              field === f &&\n              Array.isArray(field.props.options) &&\n              !!this._options\n            );\n          }),\n          tap(() => this._options.next(f.props.options as any)),\n        )\n        .subscribe();\n    }\n\n    this._options = new BehaviorSubject(options);\n    return this._options.asObservable();\n  }\n}\n","import { NgModule } from '@angular/core';\nimport { FormlySelectOptionsPipe } from './select-options.pipe';\n\n@NgModule({\n  declarations: [FormlySelectOptionsPipe],\n  exports: [FormlySelectOptionsPipe],\n})\nexport class FormlySelectModule {}\n","/**\n * Generated bundle index. 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