1
0
mirror of https://github.com/musix-org/musix-oss synced 2024-11-13 02:20:18 +00:00
musix-oss/node_modules/@firebase/component/dist/index.cjs.js
2020-03-03 22:30:50 +02:00

316 lines
13 KiB
JavaScript

'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var tslib = require('tslib');
var util = require('@firebase/util');
/**
* Component for service name T, e.g. `auth`, `auth-internal`
*/
var Component = /** @class */ (function () {
/**
*
* @param name The public service name, e.g. app, auth, firestore, database
* @param instanceFactory Service factory responsible for creating the public interface
* @param type whether the service provided by the component is public or private
*/
function Component(name, instanceFactory, type) {
this.name = name;
this.instanceFactory = instanceFactory;
this.type = type;
this.multipleInstances = false;
/**
* Properties to be added to the service namespace
*/
this.serviceProps = {};
this.instantiationMode = "LAZY" /* LAZY */;
}
Component.prototype.setInstantiationMode = function (mode) {
this.instantiationMode = mode;
return this;
};
Component.prototype.setMultipleInstances = function (multipleInstances) {
this.multipleInstances = multipleInstances;
return this;
};
Component.prototype.setServiceProps = function (props) {
this.serviceProps = props;
return this;
};
return Component;
}());
/**
* @license
* Copyright 2019 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var DEFAULT_ENTRY_NAME = '[DEFAULT]';
/**
* @license
* Copyright 2019 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Provider for instance for service name T, e.g. 'auth', 'auth-internal'
* NameServiceMapping[T] is an alias for the type of the instance
*/
var Provider = /** @class */ (function () {
function Provider(name, container) {
this.name = name;
this.container = container;
this.component = null;
this.instances = new Map();
this.instancesDeferred = new Map();
}
/**
* @param identifier A provider can provide mulitple instances of a service
* if this.component.multipleInstances is true.
*/
Provider.prototype.get = function (identifier) {
if (identifier === void 0) { identifier = DEFAULT_ENTRY_NAME; }
// if multipleInstances is not supported, use the default name
var normalizedIdentifier = this.normalizeInstanceIdentifier(identifier);
if (!this.instancesDeferred.has(normalizedIdentifier)) {
var deferred = new util.Deferred();
this.instancesDeferred.set(normalizedIdentifier, deferred);
// If the service instance is available, resolve the promise with it immediately
try {
var instance = this.getOrInitializeService(normalizedIdentifier);
if (instance) {
deferred.resolve(instance);
}
}
catch (e) {
// when the instance factory throws an exception during get(), it should not cause
// a fatal error. We just return the unresolved promise in this case.
}
}
return this.instancesDeferred.get(normalizedIdentifier).promise;
};
Provider.prototype.getImmediate = function (options) {
var _a = tslib.__assign({ identifier: DEFAULT_ENTRY_NAME, optional: false }, options), identifier = _a.identifier, optional = _a.optional;
// if multipleInstances is not supported, use the default name
var normalizedIdentifier = this.normalizeInstanceIdentifier(identifier);
try {
var instance = this.getOrInitializeService(normalizedIdentifier);
if (!instance) {
if (optional) {
return null;
}
throw Error("Service " + this.name + " is not available");
}
return instance;
}
catch (e) {
if (optional) {
return null;
}
else {
throw e;
}
}
};
Provider.prototype.getComponent = function () {
return this.component;
};
Provider.prototype.setComponent = function (component) {
var e_1, _a;
if (component.name !== this.name) {
throw Error("Mismatching Component " + component.name + " for Provider " + this.name + ".");
}
if (this.component) {
throw Error("Component for " + this.name + " has already been provided");
}
this.component = component;
// if the service is eager, initialize the default instance
if (isComponentEager(component)) {
try {
this.getOrInitializeService(DEFAULT_ENTRY_NAME);
}
catch (e) {
// when the instance factory for an eager Component throws an exception during the eager
// initialization, it should not cause a fatal error.
// TODO: Investigate if we need to make it configurable, because some component may want to cause
// a fatal error in this case?
}
}
try {
// Create service instances for the pending promises and resolve them
// NOTE: if this.multipleInstances is false, only the default instance will be created
// and all promises with resolve with it regardless of the identifier.
for (var _b = tslib.__values(this.instancesDeferred.entries()), _c = _b.next(); !_c.done; _c = _b.next()) {
var _d = tslib.__read(_c.value, 2), instanceIdentifier = _d[0], instanceDeferred = _d[1];
var normalizedIdentifier = this.normalizeInstanceIdentifier(instanceIdentifier);
try {
// `getOrInitializeService()` should always return a valid instance since a component is guaranteed. use ! to make typescript happy.
var instance = this.getOrInitializeService(normalizedIdentifier);
instanceDeferred.resolve(instance);
}
catch (e) {
// when the instance factory throws an exception, it should not cause
// a fatal error. We just leave the promise unresolved.
}
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_1) throw e_1.error; }
}
};
Provider.prototype.clearInstance = function (identifier) {
if (identifier === void 0) { identifier = DEFAULT_ENTRY_NAME; }
this.instancesDeferred.delete(identifier);
this.instances.delete(identifier);
};
// app.delete() will call this method on every provider to delete the services
// TODO: should we mark the provider as deleted?
Provider.prototype.delete = function () {
return tslib.__awaiter(this, void 0, void 0, function () {
var services;
return tslib.__generator(this, function (_a) {
switch (_a.label) {
case 0:
services = Array.from(this.instances.values());
return [4 /*yield*/, Promise.all(services
.filter(function (service) { return 'INTERNAL' in service; })
// eslint-disable-next-line @typescript-eslint/no-explicit-any
.map(function (service) { return service.INTERNAL.delete(); }))];
case 1:
_a.sent();
return [2 /*return*/];
}
});
});
};
Provider.prototype.isComponentSet = function () {
return this.component != null;
};
Provider.prototype.getOrInitializeService = function (identifier) {
var instance = this.instances.get(identifier);
if (!instance && this.component) {
instance = this.component.instanceFactory(this.container, normalizeIdentifierForFactory(identifier));
this.instances.set(identifier, instance);
}
return instance || null;
};
Provider.prototype.normalizeInstanceIdentifier = function (identifier) {
if (this.component) {
return this.component.multipleInstances ? identifier : DEFAULT_ENTRY_NAME;
}
else {
return identifier; // assume multiple instances are supported before the component is provided.
}
};
return Provider;
}());
// undefined should be passed to the service factory for the default instance
function normalizeIdentifierForFactory(identifier) {
return identifier === DEFAULT_ENTRY_NAME ? undefined : identifier;
}
function isComponentEager(component) {
return component.instantiationMode === "EAGER" /* EAGER */;
}
/**
* @license
* Copyright 2019 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* ComponentContainer that provides Providers for service name T, e.g. `auth`, `auth-internal`
*/
var ComponentContainer = /** @class */ (function () {
function ComponentContainer(name) {
this.name = name;
this.providers = new Map();
}
/**
*
* @param component Component being added
* @param overwrite When a component with the same name has already been registered,
* if overwrite is true: overwrite the existing component with the new component and create a new
* provider with the new component. It can be useful in tests where you want to use different mocks
* for different tests.
* if overwrite is false: throw an exception
*/
ComponentContainer.prototype.addComponent = function (component) {
var provider = this.getProvider(component.name);
if (provider.isComponentSet()) {
throw new Error("Component " + component.name + " has already been registered with " + this.name);
}
provider.setComponent(component);
};
ComponentContainer.prototype.addOrOverwriteComponent = function (component) {
var provider = this.getProvider(component.name);
if (provider.isComponentSet()) {
// delete the existing provider from the container, so we can register the new component
this.providers.delete(component.name);
}
this.addComponent(component);
};
/**
* getProvider provides a type safe interface where it can only be called with a field name
* present in NameServiceMapping interface.
*
* Firebase SDKs providing services should extend NameServiceMapping interface to register
* themselves.
*/
ComponentContainer.prototype.getProvider = function (name) {
if (this.providers.has(name)) {
return this.providers.get(name);
}
// create a Provider for a service that hasn't registered with Firebase
var provider = new Provider(name, this);
this.providers.set(name, provider);
return provider;
};
ComponentContainer.prototype.getProviders = function () {
return Array.from(this.providers.values());
};
return ComponentContainer;
}());
exports.Component = Component;
exports.ComponentContainer = ComponentContainer;
exports.Provider = Provider;
//# sourceMappingURL=index.cjs.js.map