@baizey/dependency-injection/lib/ServiceProvider/ServiceProvider.js

A simple typescript dependency injection

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.ServiceProvider = void 0;
var utils_1 = require("../utils");
var ServiceProvider = /** @class */ (function () {
    function ServiceProvider(lifetimes) {
        Object.defineProperty(this, "instances", {
            enumerable: true,
            configurable: true,
            writable: true,
            value: void 0
        });
        Object.defineProperty(this, "lifetimes", {
            enumerable: true,
            configurable: true,
            writable: true,
            value: void 0
        });
        Object.defineProperty(this, "proxy", {
            enumerable: true,
            configurable: true,
            writable: true,
            value: void 0
        });
        this.instances = {};
        this.lifetimes = lifetimes;
        this.proxy = new Proxy(this, { get: function (t, p) { return t.provide(p); } });
    }
    Object.defineProperty(ServiceProvider.prototype, "createProxy", {
        enumerable: false,
        configurable: true,
        writable: true,
        value: function (context) {
            var _a;
            return (_a = context === null || context === void 0 ? void 0 : context.proxy) !== null && _a !== void 0 ? _a : this.proxy;
        }
    });
    Object.defineProperty(ServiceProvider.prototype, "provide", {
        enumerable: false,
        configurable: true,
        writable: true,
        value: function (selector, context) {
            var _a;
            var key = (0, utils_1.extractSelector)(selector);
            var stored = (_a = context === null || context === void 0 ? void 0 : context.instances[key]) !== null && _a !== void 0 ? _a : this.instances[key];
            if (stored !== undefined)
                return stored;
            if (context === undefined) {
                context = { instances: {} };
                context.proxy = new Proxy(this, { get: function (t, p) { return t.provide(p, context); } });
            }
            return this.lifetimes[key].provide(this, context);
        }
    });
    return ServiceProvider;
}());
exports.ServiceProvider = ServiceProvider;