@ngrx/effects/esm2020/src/effect_decorator.mjs

import { compose } from '@ngrx/store';
import { DEFAULT_EFFECT_CONFIG, } from './models';
import { getSourceForInstance } from './utils';
const METADATA_KEY = '__@ngrx/effects__';
/**
 * @deprecated The Effect decorator (`@Effect`) is deprecated in favor for the `createEffect` method.
 * See the docs for more info {@link https://ngrx.io/guide/migration/v11#the-effect-decorator}
 */
export function Effect(config = {}) {
    return function (target, propertyName) {
        const metadata = {
            ...DEFAULT_EFFECT_CONFIG,
            ...config,
            propertyName,
        };
        addEffectMetadataEntry(target, metadata);
    };
}
export function getEffectDecoratorMetadata(instance) {
    const effectsDecorators = compose(getEffectMetadataEntries, getSourceForInstance)(instance);
    return effectsDecorators;
}
/**
 * Type guard to detemine whether METADATA_KEY is already present on the Class
 * constructor
 */
function hasMetadataEntries(sourceProto) {
    return sourceProto.constructor.hasOwnProperty(METADATA_KEY);
}
/** Add Effect Metadata to the Effect Class constructor under specific key */
function addEffectMetadataEntry(sourceProto, metadata) {
    if (hasMetadataEntries(sourceProto)) {
        sourceProto.constructor[METADATA_KEY].push(metadata);
    }
    else {
        Object.defineProperty(sourceProto.constructor, METADATA_KEY, {
            value: [metadata],
        });
    }
}
function getEffectMetadataEntries(sourceProto) {
    return hasMetadataEntries(sourceProto)
        ? sourceProto.constructor[METADATA_KEY]
        : [];
}
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