Function startsWithDirectory

test/fixtures/snapshot/typescript.js:8145–8149

* Determines whether `fileName` starts with the specified `directoryName` using the provided path canonicalization callback. * Comparison is case-sensitive between the canonical paths. * * Use `containsPath` if file names are not already reduced and absolute.

(fileName, directoryName, getCanonicalFileName)

     * Use `containsPath` if file names are not already reduced and absolute.
     */
    function startsWithDirectory(fileName, directoryName, getCanonicalFileName) {
        var canonicalFileName = getCanonicalFileName(fileName);
        var canonicalDirectoryName = getCanonicalFileName(directoryName);
        return ts.startsWith(canonicalFileName, canonicalDirectoryName + "/") || ts.startsWith(canonicalFileName, canonicalDirectoryName + "\\");
    }
    ts.startsWithDirectory = startsWithDirectory;
    //// Relative Paths
    function getPathComponentsRelativeTo(from, to, stringEqualityComparer, getCanonicalFileName) {