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@grpc/grpc-js

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gRPC Library for Node - pure JS implementation

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"use strict"; /* * Copyright 2019 gRPC authors. * * 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. * */ Object.defineProperty(exports, "__esModule", { value: true }); exports.mapUriDefaultScheme = exports.getDefaultAuthority = exports.createResolver = exports.registerDefaultScheme = exports.registerResolver = void 0; const uri_parser_1 = require("./uri-parser"); const registeredResolvers = {}; let defaultScheme = null; /** * Register a resolver class to handle target names prefixed with the `prefix` * string. This prefix should correspond to a URI scheme name listed in the * [gRPC Name Resolution document](https://github.com/grpc/grpc/blob/master/doc/naming.md) * @param prefix * @param resolverClass */ function registerResolver(scheme, resolverClass) { registeredResolvers[scheme] = resolverClass; } exports.registerResolver = registerResolver; /** * Register a default resolver to handle target names that do not start with * any registered prefix. * @param resolverClass */ function registerDefaultScheme(scheme) { defaultScheme = scheme; } exports.registerDefaultScheme = registerDefaultScheme; /** * Create a name resolver for the specified target, if possible. Throws an * error if no such name resolver can be created. * @param target * @param listener */ function createResolver(target, listener, options) { if (target.scheme !== undefined && target.scheme in registeredResolvers) { return new registeredResolvers[target.scheme](target, listener, options); } else { throw new Error(`No resolver could be created for target ${(0, uri_parser_1.uriToString)(target)}`); } } exports.createResolver = createResolver; /** * Get the default authority for the specified target, if possible. Throws an * error if no registered name resolver can parse that target string. * @param target */ function getDefaultAuthority(target) { if (target.scheme !== undefined && target.scheme in registeredResolvers) { return registeredResolvers[target.scheme].getDefaultAuthority(target); } else { throw new Error(`Invalid target ${(0, uri_parser_1.uriToString)(target)}`); } } exports.getDefaultAuthority = getDefaultAuthority; function mapUriDefaultScheme(target) { if (target.scheme === undefined || !(target.scheme in registeredResolvers)) { if (defaultScheme !== null) { return { scheme: defaultScheme, authority: undefined, path: (0, uri_parser_1.uriToString)(target), }; } else { return null; } } return target; } exports.mapUriDefaultScheme = mapUriDefaultScheme; //# sourceMappingURL=resolver.js.map