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-rw-r--r--sdnr/wt/odlux/apps/helpApp/src/utilities/path.ts62
1 files changed, 62 insertions, 0 deletions
diff --git a/sdnr/wt/odlux/apps/helpApp/src/utilities/path.ts b/sdnr/wt/odlux/apps/helpApp/src/utilities/path.ts
new file mode 100644
index 000000000..3cc58a202
--- /dev/null
+++ b/sdnr/wt/odlux/apps/helpApp/src/utilities/path.ts
@@ -0,0 +1,62 @@
+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;
+}; \ No newline at end of file