fileurl2path/dist/index.js

A tiny function for converting a file URL to a file path.

/* IMPORT */
import { IS_WINDOWS } from './constants.js';
import { castURL } from './utils.js';
/* MAIN */
const fileurl2path = (url) => {
    return IS_WINDOWS ? fileurl2path.win32(url) : fileurl2path.posix(url);
};
/* UTILITIES */
fileurl2path.posix = (url) => {
    let { protocol, hostname, pathname } = castURL(url);
    if (protocol !== 'file:')
        throw new Error('Unsupported protocol');
    if (hostname !== '')
        throw new Error('Unsupported hostname');
    if (/%2f/i.test(pathname))
        throw new Error('Unsupported pathname');
    return decodeURIComponent(pathname);
};
fileurl2path.win32 = (url) => {
    let { protocol, hostname, pathname } = castURL(url);
    if (protocol !== 'file:')
        throw new Error('Unsupported protocol');
    if (hostname !== '')
        throw new Error('Unsupported hostname'); //TODO: Support this
    if (/%2f|%5c/i.test(pathname))
        throw new Error('Unsupported pathname');
    pathname = pathname.replaceAll('/', '\\');
    pathname = decodeURIComponent(pathname);
    if (!/^\\[a-z]:/i.test(pathname))
        throw new Error('Unsupported pathname');
    pathname = pathname.slice(1);
    return pathname;
};
/* EXPORT */
export default fileurl2path;