73 lines
2.3 KiB
JavaScript
73 lines
2.3 KiB
JavaScript
/*---------------------------------------------------------------------------------------------
|
|
* Copyright (c) Microsoft Corporation. All rights reserved.
|
|
* Licensed under the MIT License. See License.txt in the project root for license information.
|
|
*--------------------------------------------------------------------------------------------*/
|
|
import { URI } from 'vscode-uri';
|
|
const Slash = '/'.charCodeAt(0);
|
|
const Dot = '.'.charCodeAt(0);
|
|
export function isAbsolutePath(path) {
|
|
return path.charCodeAt(0) === Slash;
|
|
}
|
|
export function dirname(uri) {
|
|
const lastIndexOfSlash = uri.lastIndexOf('/');
|
|
return lastIndexOfSlash !== -1 ? uri.substr(0, lastIndexOfSlash) : '';
|
|
}
|
|
export function basename(uri) {
|
|
const lastIndexOfSlash = uri.lastIndexOf('/');
|
|
return uri.substr(lastIndexOfSlash + 1);
|
|
}
|
|
export function extname(uri) {
|
|
for (let i = uri.length - 1; i >= 0; i--) {
|
|
const ch = uri.charCodeAt(i);
|
|
if (ch === Dot) {
|
|
if (i > 0 && uri.charCodeAt(i - 1) !== Slash) {
|
|
return uri.substr(i);
|
|
}
|
|
else {
|
|
break;
|
|
}
|
|
}
|
|
else if (ch === Slash) {
|
|
break;
|
|
}
|
|
}
|
|
return '';
|
|
}
|
|
export function resolvePath(uriString, path) {
|
|
if (isAbsolutePath(path)) {
|
|
const uri = URI.parse(uriString);
|
|
const parts = path.split('/');
|
|
return uri.with({ path: normalizePath(parts) }).toString();
|
|
}
|
|
return joinPath(uriString, path);
|
|
}
|
|
export function normalizePath(parts) {
|
|
const newParts = [];
|
|
for (const part of parts) {
|
|
if (part.length === 0 || part.length === 1 && part.charCodeAt(0) === Dot) {
|
|
// ignore
|
|
}
|
|
else if (part.length === 2 && part.charCodeAt(0) === Dot && part.charCodeAt(1) === Dot) {
|
|
newParts.pop();
|
|
}
|
|
else {
|
|
newParts.push(part);
|
|
}
|
|
}
|
|
if (parts.length > 1 && parts[parts.length - 1].length === 0) {
|
|
newParts.push('');
|
|
}
|
|
let res = newParts.join('/');
|
|
if (parts[0].length === 0) {
|
|
res = '/' + res;
|
|
}
|
|
return res;
|
|
}
|
|
export function joinPath(uriString, ...paths) {
|
|
const uri = URI.parse(uriString);
|
|
const parts = uri.path.split('/');
|
|
for (let path of paths) {
|
|
parts.push(...path.split('/'));
|
|
}
|
|
return uri.with({ path: normalizePath(parts) }).toString();
|
|
}
|