ngx-base-state/esm2020/lib/decorators/ngx-state.decorator.mjs

Base classes for creation state service via Rxjs observable

import { ɵNGX_STATE_DECORATOR_METADATA_FIELD } from '../constants';
import { patchedActionFunction } from '../functions';
const forbiddenMethodNamesToPatch = [
    'constructor',
    'ngOnDestroy'
];
export function NgxState() {
    return function InnerFunction(targetClass) {
        const prototype = targetClass.prototype;
        markTargetClassWithMetadata(prototype);
        Object.getOwnPropertyNames(prototype).forEach((fieldName) => {
            const isFieldNameForbidden = forbiddenMethodNamesToPatch.includes(fieldName);
            if (!isFieldNameForbidden && isFieldHaveTypeFunction(prototype, fieldName)) {
                markMethodOfStateAsAction(prototype, fieldName, prototype[fieldName]);
            }
        });
    };
}
function markTargetClassWithMetadata(stateClass) {
    stateClass[ɵNGX_STATE_DECORATOR_METADATA_FIELD] = true;
}
function markMethodOfStateAsAction(stateClass, fieldName, originalMethod) {
    stateClass[fieldName] = patchedActionFunction(fieldName, originalMethod);
}
function isFieldHaveTypeFunction(stateClass, fieldName) {
    return (!Object.getOwnPropertyDescriptor(stateClass, fieldName)?.get &&
        !Object.getOwnPropertyDescriptor(stateClass, fieldName)?.set &&
        (typeof stateClass[fieldName] === 'function'));
}
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