mirror of
https://github.com/denoland/deno.git
synced 2024-11-01 09:24:20 -04:00
8228ea85fd
The previous usage of `reduce` was basically implementing the `every` A small difference is that the new implementation will stop checking as soon as one element have returned false, which will reduce the number of unnecessary checks.
38 lines
899 B
TypeScript
38 lines
899 B
TypeScript
import * as path from "../path/mod.ts";
|
|
|
|
/**
|
|
* Test whether or not `dest` is a sub-directory of `src`
|
|
* @param src src file path
|
|
* @param dest dest file path
|
|
* @param sep path separator
|
|
*/
|
|
export function isSubdir(
|
|
src: string,
|
|
dest: string,
|
|
sep: string = path.sep
|
|
): boolean {
|
|
if (src === dest) {
|
|
return false;
|
|
}
|
|
const srcArray = src.split(sep);
|
|
const destArray = dest.split(sep);
|
|
return srcArray.every((current, i) => destArray[i] === current);
|
|
}
|
|
|
|
export type PathType = "file" | "dir" | "symlink";
|
|
|
|
/**
|
|
* Get a human readable file type string.
|
|
*
|
|
* @param fileInfo A FileInfo describes a file and is returned by `stat`,
|
|
* `lstat`
|
|
*/
|
|
export function getFileInfoType(fileInfo: Deno.FileInfo): PathType | undefined {
|
|
return fileInfo.isFile
|
|
? "file"
|
|
: fileInfo.isDirectory
|
|
? "dir"
|
|
: fileInfo.isSymlink
|
|
? "symlink"
|
|
: undefined;
|
|
}
|