How can I convert a windows path to posix path using node path

Question

I\'m developing on windows, but need to know how to convert a windows path (with backslashes \\) into a POSIX path with forward slashes (/)?

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Answer 1

A one-liner mimicking slash and upath (see the multi-liner version for proof of validity)

//
// one-liner
//
let convertPath = (windowsPath) => windowsPath.replace(/^\\\\\?\\/,"").replace(/\\/g,'\/').replace(/\/\/+/g,'\/')

//
// usage
//
convertPath("C:\\repos\\vue-t\\tests\\views\\index\\home.vue")
// >>> "C:/repos/vue-t/tests/views/index/home.vue"

//
// multi-liner (commented and compatible with really old javascript versions)
//
function convertPath(windowsPath) {
    // handle the edge-case of Window's long file names
    // See: https://docs.microsoft.com/en-us/windows/win32/fileio/naming-a-file#short-vs-long-names
    windowsPath = windowsPath.replace(/^\\\\\?\\/,"");

    // convert the separators, valid since both \ and / can't be in a windows filename
    windowsPath = windowsPath.replace(/\\/g,'\/');

    // compress any // or /// to be just /, which is a safe oper under POSIX
    // and prevents accidental errors caused by manually doing path1+path2
    windowsPath = windowsPath.replace(/\/\/+/g,'\/');

    return windowsPath;
};

// dont want the C: to be inluded? here's a one-liner for that too
let convertPath = (windowsPath) => windowsPath.replace(/^\\\\\?\\/,"").replace(/(?:^C:)?\\/g,'\/').replace(/\/\/+/g,'\/')