### File

`src/lib/mixins/extract-method.mixin.ts`

### Index

###### Properties

- Protected injector

###### Methods

- extractMethod

### Properties

Protected injector
Type : `Injector`
Defined in src/lib/mixins/extract-method.mixin.ts:14

### Methods

extractMethod
`extractMethod(formDefinition: FormDefinition, controlId: string, name: string)`
Defined in src/lib/mixins/extract-method.mixin.ts:16

Parameters :

Name | Type | Optional
formDefinition | `FormDefinition` | No
controlId | `string` | No
name | `string` | No

Returns : `any`

    import { Injector } from '@angular/core';
    import { FormDefinition } from '@rxap/forms';
    import { Mixin } from '@rxap/mixin';
    import { ApplyUseMethodAdapters } from './apply-use-method.adapters';
    import { ExtractMethodsMixin } from './extract-methods.mixin';

    // eslint-disable-next-line @typescript-eslint/no-empty-interface
    export interface ExtractMethodMixin extends ExtractMethodsMixin {
    }

    @Mixin(ExtractMethodsMixin)
    export class ExtractMethodMixin {

      protected injector!: Injector;

      extractMethod(
        formDefinition: FormDefinition,
        controlId: string,
        name: string,
      ) {
        const map = this.extractMethods(formDefinition, controlId);
        if (!map.has(name)) {
          throw new Error(`A method with the name '${ name }' is not attached to the control '${ controlId }' use the @UseMethod decorator to attach a method to the control`);
        }
        const {method: methodToken, config} = map.get(name)!;
        const method                        = this.injector.get(methodToken);
        return ApplyUseMethodAdapters(this.injector, method, config);
      }

    }

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