@devgrid/netron/dist/esm/decorators.js

Event bus, streams and remote object invocation.

import { SERVICE_ANNOTATION } from './common';
export const Service = (name) => (target) => {
    const metadata = { name, properties: {}, methods: {} };
    for (const key of Object.getOwnPropertyNames(target.prototype)) {
        const descriptor = Object.getOwnPropertyDescriptor(target.prototype, key);
        if (!descriptor)
            continue;
        const isPublic = Reflect.getMetadata('public', target.prototype, key);
        if (!isPublic)
            continue;
        if (typeof descriptor.value === 'function') {
            const paramTypes = Reflect.getMetadata('design:paramtypes', target.prototype, key) || [];
            const returnType = Reflect.getMetadata('design:returntype', target.prototype, key)?.name || 'void';
            metadata.methods[key] = {
                type: returnType,
                arguments: paramTypes.map((type) => type?.name || 'unknown'),
            };
        }
    }
    for (const key of Object.keys(new target())) {
        const isPublic = Reflect.getMetadata('public', target.prototype, key);
        if (!isPublic)
            continue;
        const type = Reflect.getMetadata('design:type', target.prototype, key)?.name || 'unknown';
        const isReadonly = Reflect.getMetadata('readonly', target.prototype, key);
        metadata.properties[key] = {
            type,
            readonly: !!isReadonly,
        };
    }
    Reflect.defineMetadata(SERVICE_ANNOTATION, metadata, target);
};
export const Public = (options) => (target, propertyKey, descriptor) => {
    Reflect.defineMetadata('public', true, target, propertyKey);
    if (!descriptor) {
        Reflect.defineMetadata('readonly', options?.readonly, target, propertyKey);
    }
};
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