Function createSymlinkCache

test/fixtures/snapshot/typescript.js:20404–20450

(cwd, getCanonicalFileName)

    }
    ts.hasZeroOrOneAsteriskCharacter = hasZeroOrOneAsteriskCharacter;
    function createSymlinkCache(cwd, getCanonicalFileName) {
        var symlinkedDirectories;
        var symlinkedDirectoriesByRealpath;
        var symlinkedFiles;
        var hasProcessedResolutions = false;
        return {
            getSymlinkedFiles: function () { return symlinkedFiles; },
            getSymlinkedDirectories: function () { return symlinkedDirectories; },
            getSymlinkedDirectoriesByRealpath: function () { return symlinkedDirectoriesByRealpath; },
            setSymlinkedFile: function (path, real) { return (symlinkedFiles || (symlinkedFiles = new ts.Map())).set(path, real); },
            setSymlinkedDirectory: function (symlink, real) {
                // Large, interconnected dependency graphs in pnpm will have a huge number of symlinks
                // where both the realpath and the symlink path are inside node_modules/.pnpm. Since
                // this path is never a candidate for a module specifier, we can ignore it entirely.
                var symlinkPath = ts.toPath(symlink, cwd, getCanonicalFileName);
                if (!containsIgnoredPath(symlinkPath)) {
                    symlinkPath = ts.ensureTrailingDirectorySeparator(symlinkPath);
                    if (real !== false && !(symlinkedDirectories === null || symlinkedDirectories === void 0 ? void 0 : symlinkedDirectories.has(symlinkPath))) {
                        (symlinkedDirectoriesByRealpath || (symlinkedDirectoriesByRealpath = ts.createMultiMap())).add(ts.ensureTrailingDirectorySeparator(real.realPath), symlink);
                    }
                    (symlinkedDirectories || (symlinkedDirectories = new ts.Map())).set(symlinkPath, real);
                }
            },
            setSymlinksFromResolutions: function (files, typeReferenceDirectives) {
                var _this = this;
                var _a;
                ts.Debug.assert(!hasProcessedResolutions);
                hasProcessedResolutions = true;
                for (var _i = 0, files_1 = files; _i < files_1.length; _i++) {
                    var file = files_1[_i];
                    (_a = file.resolvedModules) === null || _a === void 0 ? void 0 : _a.forEach(function (resolution) { return processResolution(_this, resolution); });
                }
                typeReferenceDirectives === null || typeReferenceDirectives === void 0 ? void 0 : typeReferenceDirectives.forEach(function (resolution) { return processResolution(_this, resolution); });
            },
            hasProcessedResolutions: function () { return hasProcessedResolutions; },
        };
        function processResolution(cache, resolution) {
            if (!resolution || !resolution.originalPath || !resolution.resolvedFileName)
                return;
            var resolvedFileName = resolution.resolvedFileName, originalPath = resolution.originalPath;
            cache.setSymlinkedFile(ts.toPath(originalPath, cwd, getCanonicalFileName), resolvedFileName);
            var _a = guessDirectorySymlink(resolvedFileName, originalPath, cwd, getCanonicalFileName) || ts.emptyArray, commonResolved = _a[0], commonOriginal = _a[1];
            if (commonResolved && commonOriginal) {
                cache.setSymlinkedDirectory(commonOriginal, { real: commonResolved, realPath: ts.toPath(commonResolved, cwd, getCanonicalFileName) });
            }
        }
    }
    ts.createSymlinkCache = createSymlinkCache;
    function guessDirectorySymlink(a, b, cwd, getCanonicalFileName) {
        var aParts = ts.getPathComponents(ts.getNormalizedAbsolutePath(a, cwd));