2021-01-14 16:14:30 +01:00

101 lines
2.7 KiB
TypeScript

import { posix } from 'path';
import type { ResourceIdentifier } from '../ldp/representation/ResourceIdentifier';
/**
* Changes a potential Windows path into a POSIX path.
*
* @param path - Path to check (POSIX or Windows).
*
* @returns The potentially changed path (POSIX).
*/
function windowsToPosixPath(path: string): string {
return path.replace(/\\+/gu, '/');
}
/**
* Resolves relative segments in the path/
*
* @param path - Path to check (POSIX or Windows).
*
* @returns The potentially changed path (POSIX).
*/
export function normalizeFilePath(path: string): string {
return posix.normalize(windowsToPosixPath(path));
}
/**
* Adds the paths to the base path.
*
* @param basePath - The base path (POSIX or Windows).
* @param paths - Subpaths to attach (POSIX).
*
* @returns The potentially changed path (POSIX).
*/
export function joinFilePath(basePath: string, ...paths: string[]): string {
return posix.join(windowsToPosixPath(basePath), ...paths);
}
/**
* Makes sure the input path has exactly 1 slash at the end.
* Multiple slashes will get merged into one.
* If there is no slash it will be added.
*
* @param path - Path to check.
*
* @returns The potentially changed path.
*/
export function ensureTrailingSlash(path: string): string {
return path.replace(/\/*$/u, '/');
}
/**
* Makes sure the input path has no slashes at the end.
*
* @param path - Path to check.
*
* @returns The potentially changed path.
*/
export function trimTrailingSlashes(path: string): string {
return path.replace(/\/+$/u, '');
}
/**
* Converts a URI path to the canonical version by splitting on slashes,
* decoding any percent-based encodings,
* and then encoding any special characters.
*/
export function toCanonicalUriPath(path: string): string {
return path.split('/').map((part): string =>
encodeURIComponent(decodeURIComponent(part))).join('/');
}
/**
* Decodes all components of a URI path.
*/
export function decodeUriPathComponents(path: string): string {
return path.split('/').map(decodeURIComponent).join('/');
}
/**
* Encodes all (non-slash) special characters in a URI path.
*/
export function encodeUriPathComponents(path: string): string {
return path.split('/').map(encodeURIComponent).join('/');
}
/**
* Checks if the path corresponds to a container path (ending in a /).
* @param path - Path to check.
*/
export function isContainerPath(path: string): boolean {
return path.endsWith('/');
}
/**
* Checks if the identifier corresponds to a container identifier.
* @param identifier - Identifier to check.
*/
export function isContainerIdentifier(identifier: ResourceIdentifier): boolean {
return isContainerPath(identifier.path);
}