@microsoft/teams.apps/dist/container/container.js

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Container = void 0;
require("reflect-metadata");
const provider_1 = require("./provider");
/**
 * @private
 * a singleton container
 */
class Container {
    values = new Map();
    providers = new Map();
    has(key) {
        return this.providers.has(key);
    }
    register(key, provider) {
        if (this.providers.has(key)) {
            throw new Error(`key "${key}" already exists`);
        }
        this.providers.set(key, provider);
    }
    resolve(key) {
        let value = this.values.get(key);
        if (value) {
            return value;
        }
        const provider = this.providers.get(key);
        if (!provider)
            return;
        if ((0, provider_1.isFactoryProvider)(provider)) {
            value = provider.useFactory();
        }
        else {
            value = provider.useValue;
        }
        this.values.set(key, value);
        return value;
    }
    toString() {
        return Object.entries(this.values)
            .map(([key, value]) => `${key} => ${value}`)
            .join('\n');
    }
}
exports.Container = Container;
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