Add extracted source directory and README navigation

extracted-source/node_modules/@grpc/grpc-js/build/src/uri-parser.js

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+"use strict";
+/*
+ * Copyright 2020 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.parseUri = parseUri;
+exports.splitHostPort = splitHostPort;
+exports.combineHostPort = combineHostPort;
+exports.uriToString = uriToString;
+/*
+ * The groups correspond to URI parts as follows:
+ * 1. scheme
+ * 2. authority
+ * 3. path
+ */
+const URI_REGEX = /^(?:([A-Za-z0-9+.-]+):)?(?:\/\/([^/]*)\/)?(.+)$/;
+function parseUri(uriString) {
+    const parsedUri = URI_REGEX.exec(uriString);
+    if (parsedUri === null) {
+        return null;
+    }
+    return {
+        scheme: parsedUri[1],
+        authority: parsedUri[2],
+        path: parsedUri[3],
+    };
+}
+const NUMBER_REGEX = /^\d+$/;
+function splitHostPort(path) {
+    if (path.startsWith('[')) {
+        const hostEnd = path.indexOf(']');
+        if (hostEnd === -1) {
+            return null;
+        }
+        const host = path.substring(1, hostEnd);
+        /* Only an IPv6 address should be in bracketed notation, and an IPv6
+         * address should have at least one colon */
+        if (host.indexOf(':') === -1) {
+            return null;
+        }
+        if (path.length > hostEnd + 1) {
+            if (path[hostEnd + 1] === ':') {
+                const portString = path.substring(hostEnd + 2);
+                if (NUMBER_REGEX.test(portString)) {
+                    return {
+                        host: host,
+                        port: +portString,
+                    };
+                }
+                else {
+                    return null;
+                }
+            }
+            else {
+                return null;
+            }
+        }
+        else {
+            return {
+                host,
+            };
+        }
+    }
+    else {
+        const splitPath = path.split(':');
+        /* Exactly one colon means that this is host:port. Zero colons means that
+         * there is no port. And multiple colons means that this is a bare IPv6
+         * address with no port */
+        if (splitPath.length === 2) {
+            if (NUMBER_REGEX.test(splitPath[1])) {
+                return {
+                    host: splitPath[0],
+                    port: +splitPath[1],
+                };
+            }
+            else {
+                return null;
+            }
+        }
+        else {
+            return {
+                host: path,
+            };
+        }
+    }
+}
+function combineHostPort(hostPort) {
+    if (hostPort.port === undefined) {
+        return hostPort.host;
+    }
+    else {
+        // Only an IPv6 host should include a colon
+        if (hostPort.host.includes(':')) {
+            return `[${hostPort.host}]:${hostPort.port}`;
+        }
+        else {
+            return `${hostPort.host}:${hostPort.port}`;
+        }
+    }
+}
+function uriToString(uri) {
+    let result = '';
+    if (uri.scheme !== undefined) {
+        result += uri.scheme + ':';
+    }
+    if (uri.authority !== undefined) {
+        result += '//' + uri.authority + '/';
+    }
+    result += uri.path;
+    return result;
+}
+//# sourceMappingURL=uri-parser.js.map