reactant-di/dist/esm/util.js

A dependency injection lib for Reactant

import { __values } from './node_modules/tslib/tslib.es6.js';
import 'reflect-metadata';
import { Optional } from './optional.js';

var getMetadata = function (metaKey) {
    return Reflect.getMetadata(metaKey, Reflect) || new Map();
};
var setMetadata = function (metaKey, target, serviceIdentifier) {
    if (serviceIdentifier === void 0) { serviceIdentifier = target; }
    var providesMeta = getMetadata(metaKey);
    providesMeta.set(serviceIdentifier || target, target);
    Reflect.defineMetadata(metaKey, providesMeta, Reflect);
};
var modulesDeps;
var setModulesDeps = function (deps) {
    modulesDeps = deps;
};
var lookupServiceIdentifier = function (target, original, index) {
    var e_1, _a;
    if (typeof index === 'undefined')
        return original;
    try {
        for (var modulesDeps_1 = __values(modulesDeps), modulesDeps_1_1 = modulesDeps_1.next(); !modulesDeps_1_1.done; modulesDeps_1_1 = modulesDeps_1.next()) {
            var modulesDep = modulesDeps_1_1.value;
            if (typeof modulesDep === 'object') {
                var deps = modulesDep.deps;
                if ((modulesDep.provide === target ||
                    modulesDep.useClass === target) &&
                    Array.isArray(deps) &&
                    typeof deps[index] !== 'undefined') {
                    if (deps[index] instanceof Optional) {
                        return deps[index].key;
                    }
                    return deps[index];
                }
            }
        }
    }
    catch (e_1_1) { e_1 = { error: e_1_1 }; }
    finally {
        try {
            if (modulesDeps_1_1 && !modulesDeps_1_1.done && (_a = modulesDeps_1.return)) _a.call(modulesDeps_1);
        }
        finally { if (e_1) throw e_1.error; }
    }
    return original;
};
var lookupOptionalIdentifier = function (serviceIdentifier) {
    var e_2, _a;
    try {
        for (var modulesDeps_2 = __values(modulesDeps), modulesDeps_2_1 = modulesDeps_2.next(); !modulesDeps_2_1.done; modulesDeps_2_1 = modulesDeps_2.next()) {
            var modulesDep = modulesDeps_2_1.value;
            var deps = modulesDep.deps;
            if (typeof modulesDep === 'object' &&
                Array.isArray(deps) &&
                (modulesDep.useClass ||
                    Object.keys(modulesDep).length === 2)) {
                return !!deps.filter(function (dep) { return dep instanceof Optional && dep.identifier === serviceIdentifier; }).length;
            }
        }
    }
    catch (e_2_1) { e_2 = { error: e_2_1 }; }
    finally {
        try {
            if (modulesDeps_2_1 && !modulesDeps_2_1.done && (_a = modulesDeps_2.return)) _a.call(modulesDeps_2);
        }
        finally { if (e_2) throw e_2.error; }
    }
    return false;
};

export { getMetadata, lookupOptionalIdentifier, lookupServiceIdentifier, setMetadata, setModulesDeps };