@carlosv2/glue
Version:
Dependency injection library that stays out of the way
59 lines (58 loc) • 2.64 kB
JavaScript
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
import { has } from '../utils.js';
import { RunningContext } from '../context/index.js';
import { ServiceNotFoundError } from '../error/service.js';
import { ParameterNotFoundError } from '../error/parameter.js';
export class AssemblingContainer {
constructor(parameters, aliases, services) {
this.parameters = parameters;
this.aliases = aliases;
this.services = services;
this.instances = {};
}
get(id, context) {
return __awaiter(this, void 0, void 0, function* () {
const runningContext = (context !== null && context !== void 0 ? context : new RunningContext(this)).pushServiceFrame(id);
if (has(id, this.instances)) {
return (yield this.instances[id]);
}
if (has(id, this.aliases)) {
return (yield this.aliases[id].build(runningContext));
}
if (has(id, this.services)) {
this.instances[id] = this.services[id].build(runningContext);
return (yield this.instances[id]);
}
throw new ServiceNotFoundError(id, runningContext);
});
}
getParameter(id, context) {
return __awaiter(this, void 0, void 0, function* () {
const runningContext = (context !== null && context !== void 0 ? context : new RunningContext(this)).pushParameterFrame(id);
if (has(id, this.parameters)) {
return (yield this.parameters[id].build(runningContext));
}
throw new ParameterNotFoundError(id, runningContext);
});
}
findServiceIdsByTag(tag) {
const ids = [];
for (const [id, service] of Object.entries(this.services)) {
if (service.getTagsByName(tag).length) {
ids.push(id);
}
}
return ids;
}
static from(services) {
return new AssemblingContainer({}, {}, services);
}
}