Function tryDirectoryWithPackageJson

test/fixtures/snapshot/typescript.js:122545–122599

(packageRootIndex)

            // For classic resolution, only allow importing from node_modules/@types, not other node_modules
            return ts.getEmitModuleResolutionKind(options) === ts.ModuleResolutionKind.Classic && packageName === nodeModulesDirectoryName ? undefined : packageName;
            function tryDirectoryWithPackageJson(packageRootIndex) {
                var _a, _b;
                var packageRootPath = path.substring(0, packageRootIndex);
                var packageJsonPath = ts.combinePaths(packageRootPath, "package.json");
                var moduleFileToTry = path;
                var cachedPackageJson = (_b = (_a = host.getPackageJsonInfoCache) === null || _a === void 0 ? void 0 : _a.call(host)) === null || _b === void 0 ? void 0 : _b.getPackageJsonInfo(packageJsonPath);
                if (typeof cachedPackageJson === "object" || cachedPackageJson === undefined && host.fileExists(packageJsonPath)) {
                    var packageJsonContent = (cachedPackageJson === null || cachedPackageJson === void 0 ? void 0 : cachedPackageJson.packageJsonContent) || JSON.parse(host.readFile(packageJsonPath));
                    if (ts.getEmitModuleResolutionKind(options) === ts.ModuleResolutionKind.Node16 || ts.getEmitModuleResolutionKind(options) === ts.ModuleResolutionKind.NodeNext) {
                        // `conditions` *could* be made to go against `importingSourceFile.impliedNodeFormat` if something wanted to generate
                        // an ImportEqualsDeclaration in an ESM-implied file or an ImportCall in a CJS-implied file. But since this function is
                        // usually called to conjure an import out of thin air, we don't have an existing usage to call `getModeForUsageAtIndex`
                        // with, so for now we just stick with the mode of the file.
                        var conditions = ["node", overrideMode || importingSourceFile.impliedNodeFormat === ts.ModuleKind.ESNext ? "import" : "require", "types"];
                        var fromExports = packageJsonContent.exports && typeof packageJsonContent.name === "string"
                            ? tryGetModuleNameFromExports(options, path, packageRootPath, ts.getPackageNameFromTypesPackageName(packageJsonContent.name), packageJsonContent.exports, conditions)
                            : undefined;
                        if (fromExports) {
                            var withJsExtension = !ts.hasTSFileExtension(fromExports.moduleFileToTry)
                                ? fromExports
                                : { moduleFileToTry: ts.removeFileExtension(fromExports.moduleFileToTry) + tryGetJSExtensionForFile(fromExports.moduleFileToTry, options) };
                            return __assign(__assign({}, withJsExtension), { verbatimFromExports: true });
                        }
                        if (packageJsonContent.exports) {
                            return { moduleFileToTry: path, blockedByExports: true };
                        }
                    }
                    var versionPaths = packageJsonContent.typesVersions
                        ? ts.getPackageJsonTypesVersionsPaths(packageJsonContent.typesVersions)
                        : undefined;
                    if (versionPaths) {
                        var subModuleName = path.slice(packageRootPath.length + 1);
                        var fromPaths = tryGetModuleNameFromPaths(ts.removeFileExtension(subModuleName), removeExtensionAndIndexPostFix(subModuleName, 0 /* Ending.Minimal */, options), versionPaths.paths);
                        if (fromPaths !== undefined) {
                            moduleFileToTry = ts.combinePaths(packageRootPath, fromPaths);
                        }
                    }
                    // If the file is the main module, it can be imported by the package name
                    var mainFileRelative = packageJsonContent.typings || packageJsonContent.types || packageJsonContent.main || "index.js";
                    if (ts.isString(mainFileRelative)) {
                        var mainExportFile = ts.toPath(mainFileRelative, packageRootPath, getCanonicalFileName);
                        if (ts.removeFileExtension(mainExportFile) === ts.removeFileExtension(getCanonicalFileName(moduleFileToTry))) {
                            return { packageRootPath: packageRootPath, moduleFileToTry: moduleFileToTry };
                        }
                    }
                }
                else {
                    // No package.json exists; an index.js will still resolve as the package name
                    var fileName = getCanonicalFileName(moduleFileToTry.substring(parts.packageRootIndex + 1));
                    if (fileName === "index.d.ts" || fileName === "index.js" || fileName === "index.ts" || fileName === "index.tsx") {
                        return { moduleFileToTry: moduleFileToTry, packageRootPath: packageRootPath };
                    }
                }
                return { moduleFileToTry: moduleFileToTry };
            }
        }
        function tryGetAnyFileFromPath(host, path) {
            if (!host.fileExists)