Function getCommonSourceDirectory

test/fixtures/snapshot/typescript.js:110141–110163

(options, emittedFiles, currentDirectory, getCanonicalFileName, checkSourceFilesBelongToPath)

    }
    /*@internal*/
    function getCommonSourceDirectory(options, emittedFiles, currentDirectory, getCanonicalFileName, checkSourceFilesBelongToPath) {
        var commonSourceDirectory;
        if (options.rootDir) {
            // If a rootDir is specified use it as the commonSourceDirectory
            commonSourceDirectory = ts.getNormalizedAbsolutePath(options.rootDir, currentDirectory);
            checkSourceFilesBelongToPath === null || checkSourceFilesBelongToPath === void 0 ? void 0 : checkSourceFilesBelongToPath(options.rootDir);
        }
        else if (options.composite && options.configFilePath) {
            // Project compilations never infer their root from the input source paths
            commonSourceDirectory = ts.getDirectoryPath(ts.normalizeSlashes(options.configFilePath));
            checkSourceFilesBelongToPath === null || checkSourceFilesBelongToPath === void 0 ? void 0 : checkSourceFilesBelongToPath(commonSourceDirectory);
        }
        else {
            commonSourceDirectory = ts.computeCommonSourceDirectoryOfFilenames(emittedFiles(), currentDirectory, getCanonicalFileName);
        }
        if (commonSourceDirectory && commonSourceDirectory[commonSourceDirectory.length - 1] !== ts.directorySeparator) {
            // Make sure directory path ends with directory separator so this string can directly
            // used to replace with "" to get the relative path of the source file and the relative path doesn't
            // start with / making it rooted path
            commonSourceDirectory += ts.directorySeparator;
        }
        return commonSourceDirectory;
    }
    ts.getCommonSourceDirectory = getCommonSourceDirectory;
    /*@internal*/
    function getCommonSourceDirectoryOfConfig(_a, ignoreCase) {