1 files changed, 79 insertions, 0 deletions

diff --git a/sdnr/wt-odlux/odlux/apps/helpApp/src/utilities/path.ts b/sdnr/wt-odlux/odlux/apps/helpApp/src/utilities/path.ts
new file mode 100644
index 000000000..412bdfb1e
--- /dev/null
+++ b/sdnr/wt-odlux/odlux/apps/helpApp/src/utilities/path.ts
@@ -0,0 +1,79 @@
+/**
+ * ============LICENSE_START========================================================================
+ * ONAP : ccsdk feature sdnr wt odlux
+ * =================================================================================================
+ * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property. All rights reserved.
+ * =================================================================================================
+ * 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.
+ * ============LICENSE_END==========================================================================
+ */
+export const resolvePath = (...paths: string[]): string => {
+  function resolve(pathA: string, pathB: string) {
+    //  ‘a’     => ['a']
+    //  'a/b'   => ['a', 'b']
+    //  '/a/b'  => ['', 'a', 'b']
+    //  '/a/b/' => ['', 'a', 'b', '']
+    const pathBParts = pathB.split('/');
+    if (pathBParts[0] === '') {
+      return pathBParts.join('/');
+    }
+    const pathAParts = pathA.split('/');
+    const aLastIndex = pathAParts.length - 1;
+    if (pathAParts[aLastIndex] !== '') {
+      pathAParts[aLastIndex] = '';
+    }
+
+    let part: string;
+    let i = 0;
+    while (typeof (part = pathBParts[i]) === 'string') {
+      switch (part) {
+        case '..':
+          pathAParts.pop();
+          pathAParts.pop();
+          pathAParts.push('');
+          break;
+        case '.':
+          pathAParts.pop();
+          pathAParts.push('');
+          break;
+        default:
+          pathAParts.pop();
+          pathAParts.push(part);
+          pathAParts.push('');
+          break;
+      }
+      i++;
+    }
+    if (pathBParts[pathBParts.length - 1] !== '') pathAParts.pop(); 
+    return pathAParts.join('/');
+  }
+
+  let i = 0;
+  let path: string;
+  let r = location.pathname;
+
+  const urlRegex = /^https?\:\/\/([^\/?#]+)(?:[\/?#]|$)/i;
+  const multiSlashReg = /\/\/+/g;
+
+  while (typeof (path = paths[i]) === 'string') {
+    debugger;
+    const matches = path && path.match(urlRegex);
+    if (matches || !i) {
+      r = path;
+    } else {
+      path = path.replace(multiSlashReg, '/');
+      r = resolve(r, path);
+    }
+    i++;
+  }
+
+  return r;
+};
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