@glimmer/di/dist/modules/es5/container.js

Dependency injection support for Glimmer applications.

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

var Container = function () {
    function Container(registry) {
        var resolver = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;

        _classCallCheck(this, Container);

        this._registry = registry;
        this._resolver = resolver;
        this._lookups = {};
        this._factoryDefinitionLookups = {};
    }

    Container.prototype.factoryFor = function factoryFor(specifier) {
        var factoryDefinition = this._factoryDefinitionLookups[specifier];
        if (!factoryDefinition) {
            if (this._resolver) {
                factoryDefinition = this._resolver.retrieve(specifier);
            }
            if (!factoryDefinition) {
                factoryDefinition = this._registry.registration(specifier);
            }
            if (factoryDefinition) {
                this._factoryDefinitionLookups[specifier] = factoryDefinition;
            }
        }
        if (!factoryDefinition) {
            return;
        }
        return this.buildFactory(specifier, factoryDefinition);
    };

    Container.prototype.lookup = function lookup(specifier) {
        var singleton = this._registry.registeredOption(specifier, 'singleton') !== false;
        if (singleton) {
            var lookup = this._lookups[specifier];
            if (lookup) {
                return lookup.instance;
            }
        }
        var factory = this.factoryFor(specifier);
        if (!factory) {
            return;
        }
        if (this._registry.registeredOption(specifier, 'instantiate') === false) {
            return factory.class;
        }
        var instance = factory.create();
        if (singleton && instance) {
            this._lookups[specifier] = { factory: factory, instance: instance };
        }
        return instance;
    };

    Container.prototype.defaultInjections = function defaultInjections(specifier) {
        return {};
    };

    Container.prototype.teardown = function teardown() {
        var specifiers = Object.keys(this._lookups);
        for (var i = 0; i < specifiers.length; i++) {
            var specifier = specifiers[i];
            var _lookups$specifier = this._lookups[specifier],
                factory = _lookups$specifier.factory,
                instance = _lookups$specifier.instance;

            factory.teardown(instance);
        }
    };

    Container.prototype.defaultTeardown = function defaultTeardown(instance) {};

    Container.prototype.buildInjections = function buildInjections(specifier) {
        var hash = this.defaultInjections(specifier);
        var injections = this._registry.registeredInjections(specifier);
        var injection = void 0;
        for (var i = 0; i < injections.length; i++) {
            injection = injections[i];
            hash[injection.property] = this.lookup(injection.source);
        }
        return hash;
    };

    Container.prototype.buildFactory = function buildFactory(specifier, factoryDefinition) {
        var _this = this;

        var injections = this.buildInjections(specifier);
        return {
            class: factoryDefinition,
            teardown: function (instance) {
                if (factoryDefinition.teardown) {
                    factoryDefinition.teardown(instance);
                } else {
                    _this.defaultTeardown(instance);
                }
            },
            create: function (options) {
                var mergedOptions = Object.assign({}, injections, options);
                return factoryDefinition.create(mergedOptions);
            }
        };
    };

    return Container;
}();

export default Container;
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i < specifiers.length; i++) {\n            let specifier = specifiers[i];\n            let { factory, instance } = this._lookups[specifier];\n            factory.teardown(instance);\n        }\n    }\n    defaultTeardown(instance) {}\n    buildInjections(specifier) {\n        let hash = this.defaultInjections(specifier);\n        let injections = this._registry.registeredInjections(specifier);\n        let injection;\n        for (let i = 0; i < injections.length; i++) {\n            injection = injections[i];\n            hash[injection.property] = this.lookup(injection.source);\n        }\n        return hash;\n    }\n    buildFactory(specifier, factoryDefinition) {\n        let injections = this.buildInjections(specifier);\n        return {\n            class: factoryDefinition,\n            teardown: instance => {\n                if (factoryDefinition.teardown) {\n                    factoryDefinition.teardown(instance);\n                } else {\n                    this.defaultTeardown(instance);\n                }\n            },\n            create(options) {\n                let mergedOptions = Object.assign({}, injections, options);\n                return factoryDefinition.create(mergedOptions);\n            }\n        };\n    }\n}"]}