diff options
Diffstat (limited to 'sdnr/wt/odlux/apps/helpApp/src/utilities')
-rw-r--r-- | sdnr/wt/odlux/apps/helpApp/src/utilities/path.ts | 62 |
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 |