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joplin/ReactNativeClient/lib/path-utils.js

65 lines
1.7 KiB
JavaScript

function dirname(path) {
if (!path) throw new Error('Path is empty');
let s = path.split(/\/|\\/);
s.pop();
return s.join('/');
}
function basename(path) {
if (!path) throw new Error('Path is empty');
let s = path.split(/\/|\\/);
return s[s.length - 1];
}
function filename(path) {
if (!path) throw new Error('Path is empty');
let output = basename(path);
if (output.indexOf('.') < 0) return output;
output = output.split('.');
output.pop();
return output.join('.');
}
function fileExtension(path) {
if (!path) throw new Error('Path is empty');
let output = path.split('.');
if (output.length <= 1) return '';
return output[output.length - 1];
}
function isHidden(path) {
let b = basename(path);
if (!b.length) throw new Error('Path empty or not a valid path: ' + path);
return b[0] === '.';
}
function safeFileExtension(e) {
if (!e || !e.replace) return '';
return e.replace(/[^a-zA-Z0-9]/g, '')
}
function safeFilename(e, maxLength = null, allowSpaces = false) {
if (maxLength === null) maxLength = 32;
if (!e || !e.replace) return '';
const regex = allowSpaces ? /[^a-zA-Z0-9\-_\(\)\. ]/g : /[^a-zA-Z0-9\-_\(\)\.]/g
let output = e.replace(regex, '_')
return output.substr(0, maxLength);
}
function toSystemSlashes(path, os = null) {
if (os === null) os = process.platform;
if (os === 'win32') return path.replace(/\//g, "\\");
return path.replace(/\\/g, "/");
}
function rtrimSlashes(path) {
return path.replace(/[\/\\]+$/, '');
}
function ltrimSlashes(path) {
return path.replace(/^\/+/, '');
}
module.exports = { basename, dirname, filename, isHidden, fileExtension, safeFilename, safeFileExtension, toSystemSlashes, rtrimSlashes, ltrimSlashes };