Function tryResolve

test/fixtures/snapshot/typescript.js:43374–43411

(extensions)

        var result = ts.forEach(extensions, function (ext) { return tryResolve(ext); });
        return createResolvedModuleWithFailedLookupLocations((_a = result === null || result === void 0 ? void 0 : result.value) === null || _a === void 0 ? void 0 : _a.resolved, (_b = result === null || result === void 0 ? void 0 : result.value) === null || _b === void 0 ? void 0 : _b.isExternalLibraryImport, failedLookupLocations, diagnostics, state.resultFromCache);
        function tryResolve(extensions) {
            var loader = function (extensions, candidate, onlyRecordFailures, state) { return nodeLoadModuleByRelativeName(extensions, candidate, onlyRecordFailures, state, /*considerPackageJson*/ true); };
            var resolved = tryLoadModuleUsingOptionalResolutionSettings(extensions, moduleName, containingDirectory, loader, state);
            if (resolved) {
                return toSearchResult({ resolved: resolved, isExternalLibraryImport: pathContainsNodeModules(resolved.path) });
            }
            if (!ts.isExternalModuleNameRelative(moduleName)) {
                var resolved_1;
                if (features & NodeResolutionFeatures.Imports && ts.startsWith(moduleName, "#")) {
                    resolved_1 = loadModuleFromImports(extensions, moduleName, containingDirectory, state, cache, redirectedReference);
                }
                if (!resolved_1 && features & NodeResolutionFeatures.SelfName) {
                    resolved_1 = loadModuleFromSelfNameReference(extensions, moduleName, containingDirectory, state, cache, redirectedReference);
                }
                if (!resolved_1) {
                    if (traceEnabled) {
                        trace(host, ts.Diagnostics.Loading_module_0_from_node_modules_folder_target_file_type_1, moduleName, Extensions[extensions]);
                    }
                    resolved_1 = loadModuleFromNearestNodeModulesDirectory(extensions, moduleName, containingDirectory, state, cache, redirectedReference);
                }
                if (!resolved_1)
                    return undefined;
                var resolvedValue = resolved_1.value;
                if (!compilerOptions.preserveSymlinks && resolvedValue && !resolvedValue.originalPath) {
                    var path = realPath(resolvedValue.path, host, traceEnabled);
                    var originalPath = arePathsEqual(path, resolvedValue.path, host) ? undefined : resolvedValue.path;
                    resolvedValue = __assign(__assign({}, resolvedValue), { path: path, originalPath: originalPath });
                }
                // For node_modules lookups, get the real path so that multiple accesses to an `npm link`-ed module do not create duplicate files.
                return { value: resolvedValue && { resolved: resolvedValue, isExternalLibraryImport: true } };
            }
            else {
                var _a = normalizePathForCJSResolution(containingDirectory, moduleName), candidate = _a.path, parts = _a.parts;
                var resolved_2 = nodeLoadModuleByRelativeName(extensions, candidate, /*onlyRecordFailures*/ false, state, /*considerPackageJson*/ true);
                // Treat explicit "node_modules" import as an external library import.
                return resolved_2 && toSearchResult({ resolved: resolved_2, isExternalLibraryImport: ts.contains(parts, "node_modules") });
            }
        }
    }
    // If you import from "." inside a containing directory "/foo", the result of `normalizePath`
    // would be "/foo", but this loses the information that `foo` is a directory and we intended