refactor(manager): final strict null checks (#15185)

* refactor(manager): final strict null checks

* refactor: fix type issues

* test: fix mocking

lib/modules/manager/bundler/update-locked.spec.ts

@@ -7,6 +7,8 @@ const lockFileContent = loadFixture('Gemfile.rubyci.lock');
 describe('modules/manager/bundler/update-locked', () => {
   it('detects already updated', () => {
     const config: UpdateLockedConfig = {
+      packageFile: 'Gemfile',
+      lockFile: 'Gemfile.lock',
       lockFileContent,
       depName: 'activejob',
       newVersion: '5.2.3',
@@ -16,6 +18,8 @@ describe('modules/manager/bundler/update-locked', () => {
 
   it('returns unsupported', () => {
     const config: UpdateLockedConfig = {
+      packageFile: 'Gemfile',
+      lockFile: 'Gemfile.lock',
       lockFileContent,
       depName: 'activejob',
       newVersion: '5.2.0',

lib/modules/manager/composer/update-locked.spec.ts

@@ -2,11 +2,15 @@ import { loadFixture } from '../../../../test/util';
 import type { UpdateLockedConfig } from '../types';
 import { updateLockedDependency } from '.';
 
+const lockFile = 'compose.lock';
+
 const lockFileContent = loadFixture('composer5.lock');
 
 describe('modules/manager/composer/update-locked', () => {
   it('detects already updated', () => {
     const config: UpdateLockedConfig = {
+      packageFile: 'composer.json',
+      lockFile,
       lockFileContent,
       depName: 'awesome/git',
       newVersion: '1.2.0',
@@ -16,6 +20,8 @@ describe('modules/manager/composer/update-locked', () => {
 
   it('returns unsupported', () => {
     const config: UpdateLockedConfig = {
+      packageFile: 'composer.json',
+      lockFile,
       lockFileContent,
       depName: 'awesome/git',
       newVersion: '1.0.0',

lib/modules/manager/index.ts

@@ -17,7 +17,7 @@ const languageList = Object.values(ProgrammingLanguage);
 export function get<T extends keyof ManagerApi>(
   manager: string,
   name: T
-): ManagerApi[T] | null {
+): ManagerApi[T] | undefined {
   return managers.get(manager)?.[name];
 }
 export const getLanguageList = (): string[] => languageList;
@@ -27,7 +27,7 @@ export const getManagers = (): Map<string, ManagerApi> => managers;
 export async function detectAllGlobalConfig(): Promise<GlobalManagerConfig> {
   let config: GlobalManagerConfig = {};
   for (const managerName of managerList) {
-    const manager = managers.get(managerName);
+    const manager = managers.get(managerName)!;
     if (manager.detectGlobalConfig) {
       // This should use mergeChildConfig once more than one manager is supported, but introduces a cyclic dependency
       config = { ...config, ...(await manager.detectGlobalConfig()) };
@@ -44,7 +44,7 @@ export async function extractAllPackageFiles(
   if (!managers.has(manager)) {
     return null;
   }
-  const m = managers.get(manager);
+  const m = managers.get(manager)!;
   if (m.extractAllPackageFiles) {
     const res = await m.extractAllPackageFiles(config, files);
     // istanbul ignore if
@@ -65,18 +65,18 @@ export function extractPackageFile(
   if (!managers.has(manager)) {
     return null;
   }
-  const m = managers.get(manager);
+  const m = managers.get(manager)!;
   return m.extractPackageFile
     ? m.extractPackageFile(content, fileName, config)
     : null;
 }
 
-export function getRangeStrategy(config: RangeConfig): RangeStrategy {
+export function getRangeStrategy(config: RangeConfig): RangeStrategy | null {
   const { manager, rangeStrategy } = config;
-  if (!managers.has(manager)) {
+  if (!manager || !managers.has(manager)) {
     return null;
   }
-  const m = managers.get(manager);
+  const m = managers.get(manager)!;
   if (m.getRangeStrategy) {
     // Use manager's own function if it exists
     const managerRangeStrategy = m.getRangeStrategy(config);

lib/modules/manager/npm/extract/index.ts

@@ -66,7 +66,7 @@ export async function extractPackageFile(
     `npm file ${fileName} has name ${JSON.stringify(packageJsonName)}`
   );
   const packageFileVersion = packageJson.version;
-  let yarnWorkspacesPackages: string[];
+  let yarnWorkspacesPackages: string[] | undefined;
   if (is.array(packageJson.workspaces)) {
     yarnWorkspacesPackages = packageJson.workspaces;
   } else {
@@ -83,7 +83,10 @@ export async function extractPackageFile(
     pnpmShrinkwrap: 'pnpm-lock.yaml',
   };
 
-  for (const [key, val] of Object.entries(lockFiles)) {
+  for (const [key, val] of Object.entries(lockFiles) as [
+    'yarnLock' | 'packageLock' | 'shrinkwrapJson' | 'pnpmShrinkwrap',
+    string
+  ][]) {
     const filePath = getSiblingFileName(fileName, val);
     if (await readLocalFile(filePath, 'utf8')) {
       lockFiles[key] = filePath;
@@ -95,7 +98,7 @@ export async function extractPackageFile(
   delete lockFiles.packageLock;
   delete lockFiles.shrinkwrapJson;
 
-  let npmrc: string;
+  let npmrc: string | undefined;
   const npmrcFileName = getSiblingFileName(fileName, '.npmrc');
   let repoNpmrc = await readLocalFile(npmrcFileName, 'utf8');
   if (is.string(repoNpmrc)) {
@@ -135,15 +138,17 @@ export async function extractPackageFile(
   const yarnrcYmlFileName = getSiblingFileName(fileName, '.yarnrc.yml');
   const yarnZeroInstall = await isZeroInstall(yarnrcYmlFileName);
 
-  let lernaJsonFile: string;
+  let lernaJsonFile: string | undefined;
-  let lernaPackages: string[];
+  let lernaPackages: string[] | undefined;
-  let lernaClient: 'yarn' | 'npm';
+  let lernaClient: 'yarn' | 'npm' | undefined;
   let hasFancyRefs = false;
-  let lernaJson: {
+  let lernaJson:
+    | {
         packages: string[];
         npmClient: string;
         useWorkspaces?: boolean;
-  };
+      }
+    | undefined;
   try {
     lernaJsonFile = getSiblingFileName(fileName, 'lerna.json');
     lernaJson = JSON.parse(await readLocalFile(lernaJsonFile, 'utf8'));
@@ -332,14 +337,16 @@ export async function extractPackageFile(
     return dep;
   }
 
-  for (const depType of Object.keys(depTypes)) {
+  for (const depType of Object.keys(depTypes) as (keyof typeof depTypes)[]) {
     let dependencies = packageJson[depType];
     if (dependencies) {
       try {
         if (depType === 'packageManager') {
-          const match = regEx('^(?<name>.+)@(?<range>.+)$').exec(dependencies);
+          const match = regEx('^(?<name>.+)@(?<range>.+)$').exec(
+            dependencies as string
+          );
           // istanbul ignore next
-          if (!match) {
+          if (!match?.groups) {
             break;
           }
           dependencies = { [match.groups.name]: match.groups.range };
@@ -446,6 +453,6 @@ export async function extractAllPackageFiles(
       logger.debug({ packageFile }, 'packageFile has no content');
     }
   }
-  await postExtract(npmFiles, config.updateInternalDeps);
+  await postExtract(npmFiles, !!config.updateInternalDeps);
   return npmFiles;
 }

lib/modules/manager/npm/extract/locked-versions.ts

@@ -12,7 +12,7 @@ export async function getLockedVersions(
   logger.debug('Finding locked versions');
   for (const packageFile of packageFiles) {
     const { yarnLock, npmLock, pnpmShrinkwrap } = packageFile;
-    const lockFiles = [];
+    const lockFiles: string[] = [];
     if (yarnLock) {
       logger.trace('Found yarnLock');
       lockFiles.push(yarnLock);
@@ -22,14 +22,17 @@ export async function getLockedVersions(
       }
       const { lockfileVersion, isYarn1 } = lockFileCache[yarnLock];
       if (!isYarn1) {
-        if (lockfileVersion >= 8) {
+        if (lockfileVersion && lockfileVersion >= 8) {
           // https://github.com/yarnpkg/berry/commit/9bcd27ae34aee77a567dd104947407532fa179b3
-          packageFile.constraints.yarn = '^3.0.0';
+          // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
-        } else if (lockfileVersion >= 6) {
+          packageFile.constraints!.yarn = '^3.0.0';
+        } else if (lockfileVersion && lockfileVersion >= 6) {
           // https://github.com/yarnpkg/berry/commit/f753790380cbda5b55d028ea84b199445129f9ba
-          packageFile.constraints.yarn = '^2.2.0';
+          // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+          packageFile.constraints!.yarn = '^2.2.0';
         } else {
-          packageFile.constraints.yarn = '^2.0.0';
+          // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+          packageFile.constraints!.yarn = '^2.0.0';
         }
       }
       for (const dep of packageFile.deps) {
@@ -54,18 +57,20 @@ export async function getLockedVersions(
       }
       const { lockfileVersion } = lockFileCache[npmLock];
       if (lockfileVersion === 1) {
-        if (packageFile.constraints.npm) {
+        if (packageFile.constraints?.npm) {
           // Add a <7 constraint if it's not already a fixed version
           if (!semver.valid(packageFile.constraints.npm)) {
             packageFile.constraints.npm += ' <7';
           }
         } else {
-          packageFile.constraints.npm = '<7';
+          // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+          packageFile.constraints!.npm = '<7';
         }
       }
       for (const dep of packageFile.deps) {
         dep.lockedVersion = semver.valid(
-          lockFileCache[npmLock].lockedVersions[dep.depName]
+          // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+          lockFileCache[npmLock].lockedVersions[dep.depName!]
         );
       }
     } else if (pnpmShrinkwrap) {

lib/modules/manager/npm/extract/monorepo.ts

@@ -28,10 +28,13 @@ export async function detectMonorepos(
     if (packages?.length) {
       const internalPackagePatterns = (
         is.array(packages) ? packages : [packages]
-      ).map((pattern) => getSiblingFileName(packageFile, pattern));
+      )
+        // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+        .map((pattern) => getSiblingFileName(packageFile!, pattern));
       const internalPackageFiles = packageFiles.filter((sp) =>
         matchesAnyPattern(
-          getSubDirectory(sp.packageFile),
+          // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+          getSubDirectory(sp.packageFile!),
           internalPackagePatterns
         )
       );

lib/modules/manager/npm/extract/pnpm.spec.ts

@@ -24,7 +24,7 @@ describe('modules/manager/npm/extract/pnpm', () => {
         '..'
       );
       const res = await extractPnpmFilters(workSpaceFilePath);
-      expect(res).toBeNull();
+      expect(res).toBeUndefined();
       expect(logger.logger.trace).toHaveBeenCalledWith(
         {
           fileName: expect.any(String),
@@ -39,7 +39,7 @@ describe('modules/manager/npm/extract/pnpm', () => {
       });
 
       const res = await extractPnpmFilters('pnpm-workspace.yml');
-      expect(res).toBeNull();
+      expect(res).toBeUndefined();
       expect(logger.logger.trace).toHaveBeenCalledWith(
         expect.objectContaining({
           fileName: expect.any(String),

lib/modules/manager/npm/extract/pnpm.ts

@@ -15,7 +15,7 @@ import type { PnpmWorkspaceFile } from './types';
 
 export async function extractPnpmFilters(
   fileName: string
-): Promise<string[] | null> {
+): Promise<string[] | undefined> {
   try {
     const contents = load(await readLocalFile(fileName, 'utf8'), {
       json: true,
@@ -28,12 +28,12 @@ export async function extractPnpmFilters(
         { fileName },
         'Failed to find required "packages" array in pnpm-workspace.yaml'
       );
-      return null;
+      return undefined;
     }
     return contents.packages;
   } catch (err) {
     logger.trace({ fileName, err }, 'Failed to parse pnpm-workspace.yaml');
-    return null;
+    return undefined;
   }
 }
 
@@ -91,7 +91,8 @@ export async function detectPnpmWorkspaces(
     }
 
     // search for corresponding pnpm workspace
-    const pnpmWorkspace = await findPnpmWorkspace(packageFile);
+    // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+    const pnpmWorkspace = await findPnpmWorkspace(packageFile!);
     if (pnpmWorkspace === null) {
       continue;
     }
@@ -113,7 +114,8 @@ export async function detectPnpmWorkspaces(
     const packagePaths = packagePathCache.get(workspaceYamlPath);
 
     const isPackageInWorkspace = packagePaths?.some((p) =>
-      p.endsWith(packageFile)
+      // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+      p.endsWith(packageFile!)
     );
 
     if (isPackageInWorkspace) {

lib/modules/manager/npm/extract/types.ts

@@ -13,6 +13,8 @@ export interface NpmPackage extends PackageJson {
   _id?: any;
   dependenciesMeta?: DependenciesMeta;
   packageManager?: string;
+
+  volta?: PackageJson.Dependency;
 }
 
 export type LockFileEntry = Record<

lib/modules/manager/npm/extract/yarn.ts

@@ -14,7 +14,7 @@ export async function getYarnLock(filePath: string): Promise<LockFile> {
   try {
     const parsed = parseSyml(yarnLockRaw);
     const lockedVersions: Record<string, string> = {};
-    let lockfileVersion: number;
+    let lockfileVersion: number | undefined;
 
     for (const [key, val] of Object.entries(parsed)) {
       if (key === '__metadata') {

lib/modules/manager/npm/post-update/index.ts

@@ -29,6 +29,7 @@ import { ensureTrailingSlash } from '../../../../util/url';
 import { NpmDatasource } from '../../../datasource/npm';
 import type { PackageFile, PostUpdateConfig, Upgrade } from '../../types';
 import { getZeroInstallPaths } from '../extract/yarn';
+import type { NpmDepType } from '../types';
 import { composeLockFile, parseLockFile } from '../utils';
 import * as lerna from './lerna';
 import * as npm from './npm';
@@ -44,18 +45,18 @@ import * as yarn from './yarn';
 
 // Strips empty values, deduplicates, and returns the directories from filenames
 // istanbul ignore next
-const getDirs = (arr: string[]): string[] =>
+const getDirs = (arr: (string | null | undefined)[]): string[] =>
-  Array.from(new Set(arr.filter(Boolean)));
+  Array.from(new Set(arr.filter(is.string)));
 
 // istanbul ignore next
 export function determineLockFileDirs(
   config: PostUpdateConfig,
   packageFiles: AdditionalPackageFiles
 ): DetermineLockFileDirsResult {
-  const npmLockDirs = [];
+  const npmLockDirs: (string | undefined)[] = [];
-  const yarnLockDirs = [];
+  const yarnLockDirs: (string | undefined)[] = [];
-  const pnpmShrinkwrapDirs = [];
+  const pnpmShrinkwrapDirs: (string | undefined)[] = [];
-  const lernaJsonFiles = [];
+  const lernaJsonFiles: (string | undefined)[] = [];
 
   for (const upgrade of config.upgrades) {
     if (upgrade.updateType === 'lockFileMaintenance' || upgrade.isRemediation) {
@@ -91,7 +92,8 @@ export function determineLockFileDirs(
 
   function getPackageFile(fileName: string): Partial<PackageFile> {
     logger.trace('Looking for packageFile: ' + fileName);
-    for (const packageFile of packageFiles.npm) {
+    // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+    for (const packageFile of packageFiles.npm!) {
       if (packageFile.packageFile === fileName) {
         logger.trace({ packageFile }, 'Found packageFile');
         return packageFile;
@@ -101,7 +103,8 @@ export function determineLockFileDirs(
     return {};
   }
 
-  for (const p of config.updatedPackageFiles) {
+  // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+  for (const p of config.updatedPackageFiles!) {
     logger.trace(`Checking ${String(p.path)} for lock files`);
     const packageFile = getPackageFile(p.path);
     // lerna first
@@ -147,7 +150,8 @@ export async function writeExistingFiles(
   for (const packageFile of npmFiles) {
     const basedir = upath.join(
       localDir,
-      upath.dirname(packageFile.packageFile)
+      // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+      upath.dirname(packageFile.packageFile!)
     );
     const npmrc: string = packageFile.npmrc || config.npmrc;
     const npmrcFilename = upath.join(basedir, '.npmrc');
@@ -171,9 +175,10 @@ export async function writeExistingFiles(
         logger.debug(`Writing ${npmLock}`);
         let existingNpmLock: string;
         try {
-          existingNpmLock = await getFile(npmLock);
+          existingNpmLock = (await getFile(npmLock)) ?? '';
         } catch (err) {
           logger.warn({ err }, 'Error reading npm lock file');
+          existingNpmLock = '';
         }
         const { detectedIndent, lockFileParsed: npmLockParsed } =
           parseLockFile(existingNpmLock);
@@ -182,14 +187,15 @@ export async function writeExistingFiles(
             'packages' in npmLockParsed
               ? Object.keys(npmLockParsed.packages)
               : [];
-          const widens = [];
+          const widens: string[] = [];
           let lockFileChanged = false;
           for (const upgrade of config.upgrades) {
             if (
               upgrade.rangeStrategy === 'widen' &&
               upgrade.npmLock === npmLock
             ) {
-              widens.push(upgrade.depName);
+              // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+              widens.push(upgrade.depName!);
             }
             const { depName } = upgrade;
             for (const packageName of packageNames) {
@@ -215,7 +221,8 @@ export async function writeExistingFiles(
                 npmLockParsed.dependencies
               ) {
                 widens.forEach((depName) => {
-                  delete npmLockParsed.dependencies[depName];
+                  // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+                  delete npmLockParsed.dependencies![depName];
                 });
               }
             } catch (err) {
@@ -284,9 +291,12 @@ export async function writeUpdatedPackageFiles(
       });
       for (const upgrade of config.upgrades) {
         if (upgrade.gitRef && upgrade.packageFile === packageFile.path) {
-          massagedFile[upgrade.depType][upgrade.depName] = massagedFile[
+          // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
-            upgrade.depType
+          massagedFile[upgrade.depType as NpmDepType][upgrade.depName!] =
-          ][upgrade.depName].replace(
+            massagedFile[
+              upgrade.depType as NpmDepType
+              // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+            ][upgrade.depName!].replace(
               'git+https://github.com',
               `git+https://${token}@github.com`
             );
@@ -305,7 +315,7 @@ export async function writeUpdatedPackageFiles(
 // istanbul ignore next
 async function getNpmrcContent(dir: string): Promise<string | null> {
   const npmrcFilePath = upath.join(dir, '.npmrc');
-  let originalNpmrcContent = null;
+  let originalNpmrcContent: string | null = null;
   try {
     originalNpmrcContent = await readFile(npmrcFilePath, 'utf8');
     logger.debug('npmrc file found in repository');
@@ -320,7 +330,7 @@ async function getNpmrcContent(dir: string): Promise<string | null> {
 // istanbul ignore next
 async function updateNpmrcContent(
   dir: string,
-  originalContent: string,
+  originalContent: string | null,
   additionalLines: string[]
 ): Promise<void> {
   const npmrcFilePath = upath.join(dir, '.npmrc');
@@ -341,7 +351,7 @@ async function updateNpmrcContent(
 // istanbul ignore next
 async function resetNpmrcContent(
   dir: string,
-  originalContent: string
+  originalContent: string | null
 ): Promise<void> {
   const npmrcFilePath = upath.join(dir, '.npmrc');
   if (originalContent) {
@@ -422,7 +432,7 @@ export async function updateYarnBinary(
   let yarnrcYml = existingYarnrcYmlContent;
   try {
     const yarnrcYmlFilename = upath.join(lockFileDir, '.yarnrc.yml');
-    yarnrcYml ||= await getFile(yarnrcYmlFilename);
+    yarnrcYml ||= (await getFile(yarnrcYmlFilename)) ?? undefined;
     const newYarnrcYml = await readLocalFile(yarnrcYmlFilename, 'utf8');
     if (!is.string(yarnrcYml) || !is.string(newYarnrcYml)) {
       return existingYarnrcYmlContent;
@@ -518,7 +528,7 @@ export async function getAdditionalFiles(
 
   let token = '';
   try {
-    ({ token } = hostRules.find({
+    ({ token = '' } = hostRules.find({
       hostType: config.platform,
       url: 'https://api.github.com/',
     }));
@@ -527,7 +537,7 @@ export async function getAdditionalFiles(
     logger.warn({ err }, 'Error getting token for packageFile');
   }
   const tokenRe = regEx(`${token}`, 'g', false);
-  const { localDir } = GlobalConfig.get();
+  const localDir = GlobalConfig.get('localDir')!;
   for (const npmLock of dirs.npmLockDirs) {
     const lockFileDir = upath.dirname(npmLock);
     const fullLockFileDir = upath.join(localDir, lockFileDir);
@@ -585,7 +595,9 @@ export async function getAdditionalFiles(
         updatedArtifacts.push({
           type: 'addition',
           path: npmLock,
-          contents: res.lockFile.replace(tokenRe, ''),
+          // TODO: can this be undefined?
+          // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+          contents: res.lockFile!.replace(tokenRe, ''),
         });
       }
     }
@@ -601,8 +613,8 @@ export async function getAdditionalFiles(
       npmrcContent,
       additionalNpmrcContent
     );
-    let yarnRcYmlFilename: string;
+    let yarnRcYmlFilename: string | undefined;
-    let existingYarnrcYmlContent: string;
+    let existingYarnrcYmlContent: string | undefined;
     if (additionalYarnRcYml) {
       yarnRcYmlFilename = getSiblingFileName(yarnLock, '.yarnrc.yml');
       existingYarnrcYmlContent = await readLocalFile(yarnRcYmlFilename, 'utf8');
@@ -674,7 +686,9 @@ export async function getAdditionalFiles(
         updatedArtifacts.push({
           type: 'addition',
           path: lockFileName,
-          contents: res.lockFile,
+          //
+          // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+          contents: res.lockFile!,
         });
         await updateYarnOffline(lockFileDir, localDir, updatedArtifacts);
       }
@@ -689,7 +703,8 @@ export async function getAdditionalFiles(
     }
     await resetNpmrcContent(fullLockFileDir, npmrcContent);
     if (existingYarnrcYmlContent) {
-      await writeLocalFile(yarnRcYmlFilename, existingYarnrcYmlContent);
+      // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+      await writeLocalFile(yarnRcYmlFilename!, existingYarnrcYmlContent);
     }
   }
 
@@ -750,7 +765,9 @@ export async function getAdditionalFiles(
         updatedArtifacts.push({
           type: 'addition',
           path: pnpmShrinkwrap,
-          contents: res.lockFile,
+          // TODO: can be undefined?
+          // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+          contents: res.lockFile!,
         });
       }
     }
@@ -761,7 +778,8 @@ export async function getAdditionalFiles(
     let lockFile: string;
     logger.debug(`Finding package.json for lerna location "${lernaJsonFile}"`);
     const lernaPackageFile = packageFiles.npm.find(
-      (p) => getSubDirectory(p.packageFile) === getSubDirectory(lernaJsonFile)
+      // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+      (p) => getSubDirectory(p.packageFile!) === getSubDirectory(lernaJsonFile)
     );
     if (!lernaPackageFile) {
       logger.debug('No matching package.json found');
@@ -842,7 +860,8 @@ export async function getAdditionalFiles(
         const filename = packageFile.npmLock || packageFile.yarnLock;
         logger.trace('Checking for ' + filename);
         const existingContent = await getFile(
-          filename,
+          // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+          filename!,
           config.reuseExistingBranch ? config.branchName : config.baseBranch
         );
         if (existingContent) {
@@ -868,7 +887,8 @@ export async function getAdditionalFiles(
               logger.debug('File is updated: ' + lockFilePath);
               updatedArtifacts.push({
                 type: 'addition',
-                path: filename,
+                // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+                path: filename!,
                 contents: newContent,
               });
             }

lib/modules/manager/npm/post-update/lerna.spec.ts

@@ -1,31 +1,30 @@
-import { exec as _exec } from 'child_process';
+import { envMock, exec, mockExecAll } from '../../../../../test/exec-util';
-import { envMock, mockExecAll } from '../../../../../test/exec-util';
+import { env, partial } from '../../../../../test/util';
-import { mocked } from '../../../../../test/util';
 import { GlobalConfig } from '../../../../config/global';
-import * as _env from '../../../../util/exec/env';
+import type { PackageFile, PostUpdateConfig } from '../../types';
-import * as _lernaHelper from './lerna';
+import * as lernaHelper from './lerna';
 
 jest.mock('child_process');
 jest.mock('../../../../util/exec/env');
 jest.mock('../../npm/post-update/node-version');
 
-const exec: jest.Mock<typeof _exec> = _exec as any;
+function lernaPkgFile(lernaClient: string): Partial<PackageFile> {
-const env = mocked(_env);
-const lernaHelper = mocked(_lernaHelper);
-
-function lernaPkgFile(lernaClient: string) {
   return {
     lernaClient,
     deps: [{ depName: 'lerna', currentValue: '2.0.0' }],
   };
 }
 
-function lernaPkgFileWithoutLernaDep(lernaClient: string) {
+function lernaPkgFileWithoutLernaDep(
+  lernaClient: string
+): Partial<PackageFile> {
   return {
     lernaClient,
   };
 }
 
+const config = partial<PostUpdateConfig>({});
+
 describe('modules/manager/npm/post-update/lerna', () => {
   describe('generateLockFiles()', () => {
     beforeEach(() => {
@@ -35,7 +34,12 @@ describe('modules/manager/npm/post-update/lerna', () => {
     });
 
     it('returns if no lernaClient', async () => {
-      const res = await lernaHelper.generateLockFiles({}, 'some-dir', {}, {});
+      const res = await lernaHelper.generateLockFiles(
+        {},
+        'some-dir',
+        config,
+        {}
+      );
       expect(res.error).toBeFalse();
     });
 
@@ -43,7 +47,7 @@ describe('modules/manager/npm/post-update/lerna', () => {
       const res = await lernaHelper.generateLockFiles(
         lernaPkgFile('foo'),
         'some-dir',
-        {},
+        config,
         {}
       );
       expect(res.error).toBeFalse();
@@ -55,7 +59,7 @@ describe('modules/manager/npm/post-update/lerna', () => {
       const res = await lernaHelper.generateLockFiles(
         lernaPkgFile('npm'),
         'some-dir',
-        {},
+        config,
         {},
         skipInstalls
       );
@@ -69,7 +73,7 @@ describe('modules/manager/npm/post-update/lerna', () => {
       const res = await lernaHelper.generateLockFiles(
         lernaPkgFile('npm'),
         'some-dir',
-        {},
+        config,
         {},
         skipInstalls
       );
@@ -82,7 +86,7 @@ describe('modules/manager/npm/post-update/lerna', () => {
       const res = await lernaHelper.generateLockFiles(
         lernaPkgFile('yarn'),
         'some-dir',
-        { constraints: { yarn: '^1.10.0' } },
+        { ...config, constraints: { yarn: '^1.10.0' } },
         {}
       );
       expect(execSnapshots).toMatchSnapshot();
@@ -94,7 +98,7 @@ describe('modules/manager/npm/post-update/lerna', () => {
       const res = await lernaHelper.generateLockFiles(
         lernaPkgFileWithoutLernaDep('npm'),
         'some-dir',
-        {},
+        config,
         {}
       );
       expect(res.error).toBeFalse();
@@ -107,7 +111,7 @@ describe('modules/manager/npm/post-update/lerna', () => {
       const res = await lernaHelper.generateLockFiles(
         lernaPkgFile('npm'),
         'some-dir',
-        { constraints: { npm: '^6.0.0' } },
+        { ...config, constraints: { npm: '^6.0.0' } },
         {}
       );
       expect(res.error).toBeFalse();

lib/modules/manager/npm/post-update/lerna.ts

@@ -4,7 +4,7 @@ import { GlobalConfig } from '../../../../config/global';
 import { TEMPORARY_ERROR } from '../../../../constants/error-messages';
 import { logger } from '../../../../logger';
 import { exec } from '../../../../util/exec';
-import type { ExecOptions } from '../../../../util/exec/types';
+import type { ExecOptions, ExtraEnv } from '../../../../util/exec/types';
 import type { PackageFile, PostUpdateConfig } from '../../types';
 import { getNodeConstraint } from './node-version';
 import type { GenerateLockFileResult } from './types';
@@ -21,7 +21,8 @@ export function getLernaVersion(
     );
     return 'latest';
   }
-  return lernaDep.currentValue;
+  // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+  return lernaDep.currentValue!;
 }
 
 export async function generateLockFiles(
@@ -37,8 +38,8 @@ export async function generateLockFiles(
     return { error: false };
   }
   logger.debug(`Spawning lerna with ${lernaClient} to create lock files`);
-  const preCommands = [];
+  const preCommands: string[] = [];
-  const cmd = [];
+  const cmd: string[] = [];
   let cmdOptions = '';
   try {
     if (lernaClient === 'yarn') {
@@ -74,12 +75,13 @@ export async function generateLockFiles(
     }
     lernaCommand += cmdOptions;
     const tagConstraint = await getNodeConstraint(config);
-    const execOptions: ExecOptions = {
+    const extraEnv: ExtraEnv = {
-      cwd,
-      extraEnv: {
       NPM_CONFIG_CACHE: env.NPM_CONFIG_CACHE,
       npm_config_store: env.npm_config_store,
-      },
+    };
+    const execOptions: ExecOptions = {
+      cwd,
+      extraEnv,
       docker: {
         image: 'node',
         tagScheme: 'node',
@@ -89,8 +91,8 @@ export async function generateLockFiles(
     };
     // istanbul ignore if
     if (GlobalConfig.get('exposeAllEnv')) {
-      execOptions.extraEnv.NPM_AUTH = env.NPM_AUTH;
+      extraEnv.NPM_AUTH = env.NPM_AUTH;
-      execOptions.extraEnv.NPM_EMAIL = env.NPM_EMAIL;
+      extraEnv.NPM_EMAIL = env.NPM_EMAIL;
     }
     const lernaVersion = getLernaVersion(lernaPackageFile);
     logger.debug('Using lerna version ' + lernaVersion);

lib/modules/manager/npm/post-update/node-version.ts

@@ -4,7 +4,7 @@ import { getSiblingFileName, readLocalFile } from '../../../../util/fs';
 import { newlineRegex, regEx } from '../../../../util/regex';
 import type { PostUpdateConfig } from '../../types';
 
-async function getNodeFile(filename: string): Promise<string> | null {
+async function getNodeFile(filename: string): Promise<string | null> {
   try {
     const constraint = (await readLocalFile(filename, 'utf8'))
       .split(newlineRegex)[0]
@@ -19,7 +19,9 @@ async function getNodeFile(filename: string): Promise<string> | null {
   return null;
 }
 
-function getPackageJsonConstraint(config: PostUpdateConfig): string | null {
+function getPackageJsonConstraint(
+  config: Partial<PostUpdateConfig>
+): string | null {
   const constraint: string = config.constraints?.node;
   if (constraint && semver.validRange(constraint)) {
     logger.debug(`Using node constraint "${constraint}" from package.json`);
@@ -29,8 +31,8 @@ function getPackageJsonConstraint(config: PostUpdateConfig): string | null {
 }
 
 export async function getNodeConstraint(
-  config: PostUpdateConfig
+  config: Partial<PostUpdateConfig>
-): Promise<string> | null {
+): Promise<string | null> {
   const { packageFile } = config;
   const constraint =
     (await getNodeFile(getSiblingFileName(packageFile, '.nvmrc'))) ||

lib/modules/manager/npm/post-update/npm.ts

@@ -6,7 +6,11 @@ import {
 } from '../../../../constants/error-messages';
 import { logger } from '../../../../logger';
 import { exec } from '../../../../util/exec';
-import type { ExecOptions, ToolConstraint } from '../../../../util/exec/types';
+import type {
+  ExecOptions,
+  ExtraEnv,
+  ToolConstraint,
+} from '../../../../util/exec/types';
 import { move, pathExists, readFile, remove } from '../../../../util/fs';
 import type { PostUpdateConfig, Upgrade } from '../../types';
 import { composeLockFile, parseLockFile } from '../utils';
@@ -17,19 +21,19 @@ export async function generateLockFile(
   cwd: string,
   env: NodeJS.ProcessEnv,
   filename: string,
-  config: PostUpdateConfig = {},
+  config: Partial<PostUpdateConfig> = {},
   upgrades: Upgrade[] = []
 ): Promise<GenerateLockFileResult> {
   logger.debug(`Spawning npm install to create ${cwd}/${filename}`);
   const { skipInstalls, postUpdateOptions } = config;
 
-  let lockFile = null;
+  let lockFile: string | null = null;
   try {
     const npmToolConstraint: ToolConstraint = {
       toolName: 'npm',
       constraint: config.constraints?.npm,
     };
-    const commands = [];
+    const commands: string[] = [];
     let cmdOptions = '';
     if (postUpdateOptions?.includes('npmDedupe') || skipInstalls === false) {
       logger.debug('Performing node_modules install');
@@ -44,12 +48,13 @@ export async function generateLockFile(
     }
 
     const tagConstraint = await getNodeConstraint(config);
-    const execOptions: ExecOptions = {
+    const extraEnv: ExtraEnv = {
-      cwd,
-      extraEnv: {
       NPM_CONFIG_CACHE: env.NPM_CONFIG_CACHE,
       npm_config_store: env.npm_config_store,
-      },
+    };
+    const execOptions: ExecOptions = {
+      cwd,
+      extraEnv,
       toolConstraints: [npmToolConstraint],
       docker: {
         image: 'node',
@@ -59,8 +64,8 @@ export async function generateLockFile(
     };
     // istanbul ignore if
     if (GlobalConfig.get('exposeAllEnv')) {
-      execOptions.extraEnv.NPM_AUTH = env.NPM_AUTH;
+      extraEnv.NPM_AUTH = env.NPM_AUTH;
-      execOptions.extraEnv.NPM_EMAIL = env.NPM_EMAIL;
+      extraEnv.NPM_EMAIL = env.NPM_EMAIL;
     }
 
     if (!upgrades.every((upgrade) => upgrade.isLockfileUpdate)) {
@@ -131,14 +136,18 @@ export async function generateLockFile(
       const { detectedIndent, lockFileParsed } = parseLockFile(lockFile);
       if (lockFileParsed?.lockfileVersion === 2) {
         lockUpdates.forEach((lockUpdate) => {
+          const depType = lockUpdate.depType as
+            | 'dependencies'
+            | 'optionalDependencies';
           if (
-            lockFileParsed.packages?.['']?.[lockUpdate.depType]?.[
+            lockFileParsed.packages?.['']?.[depType]?.[
-              lockUpdate.depName
+              // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+              lockUpdate.depName!
             ]
           ) {
-            lockFileParsed.packages[''][lockUpdate.depType][
+            // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
-              lockUpdate.depName
+            lockFileParsed.packages[''][depType]![lockUpdate.depName!] =
-            ] = lockUpdate.newValue;
+              lockUpdate.newValue!;
           }
         });
         lockFile = composeLockFile(lockFileParsed, detectedIndent);

lib/modules/manager/npm/post-update/pnpm.spec.ts

@@ -1,34 +1,28 @@
-import { exec as _exec } from 'child_process';
+import { envMock, exec, mockExecAll } from '../../../../../test/exec-util';
-import { envMock, mockExecAll } from '../../../../../test/exec-util';
 import { Fixtures } from '../../../../../test/fixtures';
-import { mocked } from '../../../../../test/util';
+import { env, fs, partial } from '../../../../../test/util';
-import * as _env from '../../../../util/exec/env';
-import * as _fs from '../../../../util/fs/proxies';
 import type { PostUpdateConfig } from '../../types';
-import * as _pnpmHelper from './pnpm';
+import * as pnpmHelper from './pnpm';
 
 jest.mock('child_process');
 jest.mock('../../../../util/exec/env');
 jest.mock('../../../../util/fs/proxies');
 jest.mock('./node-version');
 
-const exec: jest.Mock<typeof _exec> = _exec as any;
-const env = mocked(_env);
-const fs = mocked(_fs);
-const pnpmHelper = mocked(_pnpmHelper);
 delete process.env.NPM_CONFIG_CACHE;
 
 describe('modules/manager/npm/post-update/pnpm', () => {
   let config: PostUpdateConfig;
 
   beforeEach(() => {
-    config = { cacheDir: 'some-cache-dir', constraints: { pnpm: '^2.0.0' } };
+    jest.resetAllMocks();
+    config = partial<PostUpdateConfig>({ constraints: { pnpm: '^2.0.0' } });
     env.getChildProcessEnv.mockReturnValue(envMock.basic);
   });
 
   it('generates lock files', async () => {
     const execSnapshots = mockExecAll(exec);
-    fs.readFile = jest.fn(() => 'package-lock-contents') as never;
+    fs.readFile.mockResolvedValue('package-lock-contents');
     const res = await pnpmHelper.generateLockFile('some-dir', {}, config);
     expect(fs.readFile).toHaveBeenCalledTimes(1);
     expect(res.lockFile).toBe('package-lock-contents');
@@ -37,9 +31,9 @@ describe('modules/manager/npm/post-update/pnpm', () => {
 
   it('catches errors', async () => {
     const execSnapshots = mockExecAll(exec);
-    fs.readFile = jest.fn(() => {
+    fs.readFile.mockImplementation(() => {
       throw new Error('not found');
-    }) as never;
+    });
     const res = await pnpmHelper.generateLockFile('some-dir', {}, config);
     expect(fs.readFile).toHaveBeenCalledTimes(1);
     expect(res.error).toBeTrue();
@@ -49,7 +43,7 @@ describe('modules/manager/npm/post-update/pnpm', () => {
 
   it('finds pnpm globally', async () => {
     const execSnapshots = mockExecAll(exec);
-    fs.readFile = jest.fn(() => 'package-lock-contents') as never;
+    fs.readFile.mockResolvedValue('package-lock-contents');
     const res = await pnpmHelper.generateLockFile('some-dir', {}, config);
     expect(fs.readFile).toHaveBeenCalledTimes(1);
     expect(res.lockFile).toBe('package-lock-contents');
@@ -58,7 +52,7 @@ describe('modules/manager/npm/post-update/pnpm', () => {
 
   it('performs lock file maintenance', async () => {
     const execSnapshots = mockExecAll(exec);
-    fs.readFile = jest.fn(() => 'package-lock-contents') as never;
+    fs.readFile.mockResolvedValue('package-lock-contents');
     const res = await pnpmHelper.generateLockFile('some-dir', {}, config, [
       { isLockFileMaintenance: true },
     ]);
@@ -70,7 +64,7 @@ describe('modules/manager/npm/post-update/pnpm', () => {
 
   it('uses the new version if packageManager is updated', async () => {
     const execSnapshots = mockExecAll(exec);
-    fs.readFile = jest.fn(() => 'package-lock-contents') as never;
+    fs.readFile.mockResolvedValue('package-lock-contents');
     const res = await pnpmHelper.generateLockFile('some-dir', {}, config, [
       {
         depType: 'packageManager',
@@ -86,12 +80,11 @@ describe('modules/manager/npm/post-update/pnpm', () => {
 
   it('uses constraint version if parent json has constraints', async () => {
     const execSnapshots = mockExecAll(exec);
-    const configTemp = { cacheDir: 'some-cache-dir' };
+    const configTemp = partial<PostUpdateConfig>({});
     const fileContent = Fixtures.get('parent/package.json');
-    fs.readFile = jest
+    fs.readFile
-      .fn()
+      .mockResolvedValueOnce(fileContent)
-      .mockReturnValueOnce(fileContent)
+      .mockResolvedValue('package-lock-contents');
-      .mockReturnValue('package-lock-contents');
     const res = await pnpmHelper.generateLockFile(
       'some-folder',
       {},
@@ -129,12 +122,11 @@ describe('modules/manager/npm/post-update/pnpm', () => {
 
   it('uses packageManager version and puts it into constraint', async () => {
     const execSnapshots = mockExecAll(exec);
-    const configTemp = { cacheDir: 'some-cache-dir' };
+    const configTemp = partial<PostUpdateConfig>({});
     const fileContent = Fixtures.get('manager-field/package.json');
-    fs.readFile = jest
+    fs.readFile
-      .fn()
+      .mockResolvedValueOnce(fileContent)
-      .mockReturnValueOnce(fileContent)
+      .mockResolvedValue('package-lock-contents');
-      .mockReturnValue('package-lock-contents');
     const res = await pnpmHelper.generateLockFile(
       'some-folder',
       {},

lib/modules/manager/npm/post-update/pnpm.ts

@@ -3,7 +3,11 @@ import { GlobalConfig } from '../../../../config/global';
 import { TEMPORARY_ERROR } from '../../../../constants/error-messages';
 import { logger } from '../../../../logger';
 import { exec } from '../../../../util/exec';
-import type { ExecOptions, ToolConstraint } from '../../../../util/exec/types';
+import type {
+  ExecOptions,
+  ExtraEnv,
+  ToolConstraint,
+} from '../../../../util/exec/types';
 import { readFile, remove } from '../../../../util/fs';
 import type { PostUpdateConfig, Upgrade } from '../../types';
 import type { NpmPackage } from '../extract/types';
@@ -18,9 +22,9 @@ export async function generateLockFile(
 ): Promise<GenerateLockFileResult> {
   const lockFileName = upath.join(cwd, 'pnpm-lock.yaml');
   logger.debug(`Spawning pnpm install to create ${lockFileName}`);
-  let lockFile = null;
+  let lockFile: string | null = null;
-  let stdout: string;
+  let stdout: string | undefined;
-  let stderr: string;
+  let stderr: string | undefined;
   let cmd = 'pnpm';
   try {
     const pnpmToolConstraint: ToolConstraint = {
@@ -28,12 +32,13 @@ export async function generateLockFile(
       constraint: config.constraints?.pnpm ?? (await getPnpmContraint(cwd)),
     };
     const tagConstraint = await getNodeConstraint(config);
-    const execOptions: ExecOptions = {
+    const extraEnv: ExtraEnv = {
-      cwd,
-      extraEnv: {
       NPM_CONFIG_CACHE: env.NPM_CONFIG_CACHE,
       npm_config_store: env.npm_config_store,
-      },
+    };
+    const execOptions: ExecOptions = {
+      cwd,
+      extraEnv,
       docker: {
         image: 'node',
         tagScheme: 'node',
@@ -43,8 +48,8 @@ export async function generateLockFile(
     };
     // istanbul ignore if
     if (GlobalConfig.get('exposeAllEnv')) {
-      execOptions.extraEnv.NPM_AUTH = env.NPM_AUTH;
+      extraEnv.NPM_AUTH = env.NPM_AUTH;
-      execOptions.extraEnv.NPM_EMAIL = env.NPM_EMAIL;
+      extraEnv.NPM_EMAIL = env.NPM_EMAIL;
     }
     cmd = 'pnpm';
     let args = 'install --recursive --lockfile-only';
@@ -89,8 +94,8 @@ export async function generateLockFile(
   return { lockFile };
 }
 
-async function getPnpmContraint(cwd: string): Promise<string> {
+async function getPnpmContraint(cwd: string): Promise<string | undefined> {
-  let result;
+  let result: string | undefined;
   const rootPackageJson = upath.join(cwd, 'package.json');
   const content = await readFile(rootPackageJson, 'utf8');
   if (content) {

lib/modules/manager/npm/post-update/types.ts

@@ -14,7 +14,7 @@ export interface AdditionalPackageFiles {
 
 export interface ArtifactError {
   lockFile: string;
-  stderr: string;
+  stderr?: string;
 }
 
 export interface WriteExistingFilesResult {

lib/modules/manager/npm/post-update/yarn.ts

@@ -10,7 +10,7 @@ import {
 import { logger } from '../../../../logger';
 import { ExternalHostError } from '../../../../types/errors/external-host-error';
 import { exec } from '../../../../util/exec';
-import type { ExecOptions } from '../../../../util/exec/types';
+import type { ExecOptions, ExtraEnv } from '../../../../util/exec/types';
 import { exists, readFile, remove, writeFile } from '../../../../util/fs';
 import { newlineRegex, regEx } from '../../../../util/regex';
 import { uniqueStrings } from '../../../../util/string';
@@ -23,7 +23,7 @@ export async function checkYarnrc(
   cwd: string
 ): Promise<{ offlineMirror: boolean; yarnPath: string | null }> {
   let offlineMirror = false;
-  let yarnPath: string = null;
+  let yarnPath: string | null = null;
   try {
     const yarnrc = await readFile(`${cwd}/.yarnrc`, 'utf8');
     if (is.string(yarnrc)) {
@@ -37,7 +37,7 @@ export async function checkYarnrc(
       if (pathLine) {
         yarnPath = pathLine.replace(regEx(/^yarn-path\s+"?(.+?)"?$/), '$1');
       }
-      const yarnBinaryExists = await exists(yarnPath);
+      const yarnBinaryExists = yarnPath ? await exists(yarnPath) : false;
       if (!yarnBinaryExists) {
         const scrubbedYarnrc = yarnrc.replace(
           regEx(/^yarn-path\s+"?.+?"?$/gm),
@@ -66,12 +66,12 @@ export function isYarnUpdate(upgrade: Upgrade): boolean {
 export async function generateLockFile(
   cwd: string,
   env: NodeJS.ProcessEnv,
-  config: PostUpdateConfig = {},
+  config: Partial<PostUpdateConfig> = {},
   upgrades: Upgrade[] = []
 ): Promise<GenerateLockFileResult> {
   const lockFileName = upath.join(cwd, 'yarn.lock');
   logger.debug(`Spawning yarn install to create ${lockFileName}`);
-  let lockFile = null;
+  let lockFile: string | null = null;
   try {
     const yarnUpdate = upgrades.find(isYarnUpdate);
     const yarnCompatibility = yarnUpdate
@@ -93,13 +93,13 @@ export async function generateLockFile(
 
     const preCommands = [installYarn];
 
-    const extraEnv: ExecOptions['extraEnv'] = {
+    const extraEnv: ExtraEnv = {
       NPM_CONFIG_CACHE: env.NPM_CONFIG_CACHE,
       npm_config_store: env.npm_config_store,
       CI: 'true',
     };
 
-    const commands = [];
+    const commands: string[] = [];
     let cmdOptions = ''; // should have a leading space
     if (config.skipInstalls !== false) {
       if (isYarn1) {
@@ -157,8 +157,8 @@ export async function generateLockFile(
     };
     // istanbul ignore if
     if (GlobalConfig.get('exposeAllEnv')) {
-      execOptions.extraEnv.NPM_AUTH = env.NPM_AUTH;
+      extraEnv.NPM_AUTH = env.NPM_AUTH;
-      execOptions.extraEnv.NPM_EMAIL = env.NPM_EMAIL;
+      extraEnv.NPM_EMAIL = env.NPM_EMAIL;
     }
 
     if (yarnUpdate && !isYarn1) {
@@ -179,6 +179,7 @@ export async function generateLockFile(
         commands.push(
           `yarn upgrade ${lockUpdates
             .map((update) => update.depName)
+            .filter(is.string)
             .filter(uniqueStrings)
             .join(' ')}${cmdOptions}`
         );

lib/modules/manager/npm/range.ts

@@ -6,7 +6,8 @@ import type { RangeConfig } from '../types';
 export function getRangeStrategy(config: RangeConfig): RangeStrategy {
   const { depType, depName, packageJsonType, currentValue, rangeStrategy } =
     config;
-  const isComplexRange = parseRange(currentValue).length > 1;
+  // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+  const isComplexRange = parseRange(currentValue!).length > 1;
   if (rangeStrategy === 'bump' && isComplexRange) {
     logger.debug(
       { currentValue },

lib/modules/manager/npm/types.ts

@@ -62,3 +62,10 @@ export interface ParseLockFileResult {
   detectedIndent: string;
   lockFileParsed: LockFile | undefined;
 }
+
+export type NpmDepType =
+  | 'dependencies'
+  | 'devDependencies'
+  | 'optionalDependencies'
+  | 'peerDependencies'
+  | 'resolutions';

lib/modules/manager/npm/update/dependency/index.ts

@@ -4,6 +4,7 @@ import { escapeRegExp, regEx } from '../../../../../util/regex';
 import { matchAt, replaceAt } from '../../../../../util/string';
 import type { UpdateDependencyConfig } from '../../../types';
 import type { DependenciesMeta, NpmPackage } from '../../extract/types';
+import type { NpmDepType } from '../../types';
 
 function renameObjKey(
   oldObj: DependenciesMeta,
@@ -18,35 +19,36 @@ function renameObjKey(
       acc[key] = oldObj[key];
     }
     return acc;
-  }, {});
+  }, {} as DependenciesMeta);
 }
 
 function replaceAsString(
   parsedContents: NpmPackage,
   fileContent: string,
-  depType: string,
+  depType: NpmDepType | 'dependenciesMeta' | 'packageManager',
   depName: string,
   oldValue: string,
   newValue: string
-): string | null {
+): string {
   if (depType === 'packageManager') {
     parsedContents[depType] = newValue;
   } else if (depName === oldValue) {
     // The old value is the name of the dependency itself
     delete Object.assign(parsedContents[depType], {
-      [newValue]: parsedContents[depType][oldValue],
+      [newValue]: parsedContents[depType]![oldValue],
     })[oldValue];
   } else if (depType === 'dependenciesMeta') {
     if (oldValue !== newValue) {
       parsedContents.dependenciesMeta = renameObjKey(
-        parsedContents.dependenciesMeta,
+        // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+        parsedContents.dependenciesMeta!,
         oldValue,
         newValue
       );
     }
   } else {
     // The old value is the version of the dependency
-    parsedContents[depType][depName] = newValue;
+    parsedContents[depType]![depName] = newValue;
   }
   // Look for the old version number
   const searchString = `"${oldValue}"`;
@@ -55,9 +57,9 @@ function replaceAsString(
   const escapedDepName = escapeRegExp(depName);
   const patchRe = regEx(`^(patch:${escapedDepName}@(npm:)?).*#`);
   const match = patchRe.exec(oldValue);
-  if (match) {
+  if (match && depType === 'resolutions') {
     const patch = oldValue.replace(match[0], `${match[1]}${newValue}#`);
-    parsedContents[depType][depName] = patch;
+    parsedContents[depType]![depName] = patch;
     newString = `"${patch}"`;
   }
 
@@ -98,7 +100,8 @@ export function updateDependency({
       logger.debug('Updating package.json git digest');
       newValue = upgrade.currentRawValue.replace(
         upgrade.currentDigest,
-        upgrade.newDigest.substring(0, upgrade.currentDigest.length)
+        // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+        upgrade.newDigest!.substring(0, upgrade.currentDigest.length)
       );
     } else {
       logger.debug('Updating package.json git version tag');
@@ -115,36 +118,38 @@ export function updateDependency({
   try {
     const parsedContents: NpmPackage = JSON.parse(fileContent);
     // Save the old version
-    let oldVersion: string;
+    let oldVersion: string | undefined;
     if (depType === 'packageManager') {
       oldVersion = parsedContents[depType];
       newValue = `${depName}@${newValue}`;
     } else {
-      oldVersion = parsedContents[depType][depName];
+      oldVersion = parsedContents[depType as NpmDepType]![depName];
     }
     if (oldVersion === newValue) {
       logger.trace('Version is already updated');
       return fileContent;
     }
 
+    /* eslint-disable @typescript-eslint/no-unnecessary-type-assertion */
     let newFileContent = replaceAsString(
       parsedContents,
       fileContent,
-      depType,
+      depType as NpmDepType,
       depName,
-      oldVersion,
+      oldVersion!,
-      newValue
+      newValue!
     );
     if (upgrade.newName) {
       newFileContent = replaceAsString(
         parsedContents,
         newFileContent,
-        depType,
+        depType as NpmDepType,
         depName,
         depName,
         upgrade.newName
       );
     }
+    /* eslint-enable @typescript-eslint/no-unnecessary-type-assertion */
     // istanbul ignore if
     if (!newFileContent) {
       logger.debug(
@@ -154,7 +159,7 @@ export function updateDependency({
       return fileContent;
     }
     if (parsedContents?.resolutions) {
-      let depKey: string;
+      let depKey: string | undefined;
       if (parsedContents.resolutions[depName]) {
         depKey = depName;
       } else if (parsedContents.resolutions[`**/${depName}`]) {
@@ -179,7 +184,8 @@ export function updateDependency({
           'resolutions',
           depKey,
           parsedContents.resolutions[depKey],
-          newValue
+          // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+          newValue!
         );
         if (upgrade.newName) {
           if (depKey === `**/${depName}`) {

lib/modules/manager/npm/update/locked-dependency/common/parent-version.ts

@@ -75,7 +75,7 @@ export async function findFirstParentVersion(
     for (const parentVersion of parentVersions) {
       const constraint = parentDep.releases.find(
         (release) => release.version === parentVersion
-      ).dependencies?.[targetDepName];
+      )?.dependencies?.[targetDepName];
       if (!constraint) {
         logger.debug(
           `${targetDepName} has been removed from ${parentName}@${parentVersion}`

lib/modules/manager/npm/update/locked-dependency/package-lock/index.ts

@@ -30,11 +30,14 @@ export async function updateLockedDependency(
   try {
     let packageJson: PackageJson;
     let packageLockJson: PackageLockOrEntry;
-    const detectedIndent = detectIndent(lockFileContent).indent || '  ';
+    // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
-    let newPackageJsonContent: string;
+    const detectedIndent = detectIndent(lockFileContent!).indent || '  ';
+    let newPackageJsonContent: string | null | undefined;
     try {
-      packageJson = JSON.parse(packageFileContent);
+      // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
-      packageLockJson = JSON.parse(lockFileContent);
+      packageJson = JSON.parse(packageFileContent!);
+      // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+      packageLockJson = JSON.parse(lockFileContent!);
     } catch (err) {
       logger.warn({ err }, 'Failed to parse files');
       return { status: 'update-failed' };
@@ -43,7 +46,8 @@ export async function updateLockedDependency(
     const lockedDeps = getLockedDependencies(
       packageLockJson,
       depName,
-      currentVersion
+      // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+      currentVersion!
     );
     if (lockedDeps.some((dep) => dep.bundled)) {
       logger.info(
@@ -109,10 +113,12 @@ export async function updateLockedDependency(
       // Don't return {} if we're a parent update or else the whole update will fail
       // istanbul ignore if: too hard to replicate
       if (isParentUpdate) {
-        const res: UpdateLockedResult = { status, files: {} };
+        const files: Record<string, string> = {};
-        res.files[packageFile] = packageFileContent;
+        // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
-        res.files[lockFile] = lockFileContent;
+        files[packageFile!] = packageFileContent!;
-        return res;
+        // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+        files[lockFile!] = lockFileContent!;
+        return { status, files: files };
       }
       return { status };
     }
@@ -123,7 +129,8 @@ export async function updateLockedDependency(
       packageJson,
       packageLockJson,
       depName,
-      currentVersion,
+      // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+      currentVersion!,
       newVersion
     );
     logger.trace({ deps: lockedDeps, constraints }, 'Matching details');
@@ -134,7 +141,7 @@ export async function updateLockedDependency(
       );
       return { status: 'update-failed' };
     }
-    const parentUpdates: UpdateLockedConfig[] = [];
+    const parentUpdates: Partial<UpdateLockedConfig>[] = [];
     for (const {
       parentDepName,
       parentVersion,
@@ -172,7 +179,7 @@ export async function updateLockedDependency(
             logger.debug(
               `Update of ${depName} to ${newVersion} can be achieved due to parent ${parentDepName}`
             );
-            const parentUpdate: UpdateLockedConfig = {
+            const parentUpdate: Partial<UpdateLockedConfig> = {
               depName: parentDepName,
               currentVersion: parentVersion,
               newVersion: parentNewVersion,
@@ -187,15 +194,17 @@ export async function updateLockedDependency(
           return { status: 'update-failed' };
         }
       } else if (depType) {
+        // TODO: `newValue` can probably null
         // The constaint comes from the package.json file, so we need to update it
         const newValue = semver.getNewValue({
           currentValue: constraint,
           rangeStrategy: 'replace',
           currentVersion,
           newVersion,
-        });
+        })!;
         newPackageJsonContent = updateDependency({
-          fileContent: packageFileContent,
+          // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+          fileContent: packageFileContent!,
           upgrade: { depName, depType, newValue },
         });
       }
@@ -215,9 +224,9 @@ export async function updateLockedDependency(
     for (const parentUpdate of parentUpdates) {
       const parentUpdateConfig = {
         ...config,
+        ...parentUpdate,
         lockFileContent: newLockFileContent,
         packageFileContent: newPackageJsonContent || packageFileContent,
-        ...parentUpdate,
       };
       const parentUpdateResult = await updateLockedDependency(
         parentUpdateConfig,
@@ -235,7 +244,7 @@ export async function updateLockedDependency(
       newLockFileContent =
         parentUpdateResult.files[lockFile] || newLockFileContent;
     }
-    const files = {};
+    const files: Record<string, string> = {};
     if (newLockFileContent) {
       files[lockFile] = newLockFileContent;
     }

lib/modules/manager/npm/update/locked-dependency/yarn-lock/index.spec.ts

@@ -1,4 +1,4 @@
-import { loadFixture } from '../../../../../../../test/util';
+import { loadFixture, partial } from '../../../../../../../test/util';
 import type { UpdateLockedConfig } from '../../../../types';
 import { updateLockedDependency } from '.';
 
@@ -10,7 +10,7 @@ describe('modules/manager/npm/update/locked-dependency/yarn-lock/index', () => {
     let config: UpdateLockedConfig;
 
     beforeEach(() => {
-      config = {};
+      config = partial<UpdateLockedConfig>({ packageFile: 'package.json' });
     });
 
     it('returns if cannot parse lock file', () => {

lib/modules/manager/npm/update/locked-dependency/yarn-lock/index.ts

@@ -16,7 +16,8 @@ export function updateLockedDependency(
   );
   let yarnLock: YarnLock;
   try {
-    yarnLock = parseSyml(lockFileContent);
+    // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+    yarnLock = parseSyml(lockFileContent!);
   } catch (err) {
     logger.warn({ err }, 'Failed to parse yarn files');
     return { status: 'update-failed' };
@@ -26,7 +27,12 @@ export function updateLockedDependency(
     return { status: 'unsupported' };
   }
   try {
-    const lockedDeps = getLockedDependencies(yarnLock, depName, currentVersion);
+    const lockedDeps = getLockedDependencies(
+      yarnLock,
+      depName,
+      // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+      currentVersion!
+    );
     if (!lockedDeps.length) {
       const newLockedDeps = getLockedDependencies(
         yarnLock,
@@ -61,7 +67,8 @@ export function updateLockedDependency(
       );
       return { status: 'update-failed' };
     }
-    let newLockFileContent = lockFileContent;
+    // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+    let newLockFileContent = lockFileContent!;
     for (const dependency of updateLockedDeps) {
       const { depName, constraint, newVersion } = dependency;
       newLockFileContent = replaceConstraintVersion(

lib/modules/manager/npm/update/package-version/index.ts

@@ -12,7 +12,7 @@ export function bumpPackageVersion(
     { bumpVersion, currentValue },
     'Checking if we should bump package.json version'
   );
-  let newPjVersion: string;
+  let newPjVersion: string | null;
   let bumpedContent = content;
   try {
     if (bumpVersion.startsWith('mirror:')) {

lib/modules/manager/poetry/update-locked.spec.ts

@@ -2,11 +2,16 @@ import { loadFixture } from '../../../../test/util';
 import type { UpdateLockedConfig } from '../types';
 import { updateLockedDependency } from '.';
 
-const lockFileContent = loadFixture('pyproject.11.toml.lock');
+const lockFile = 'pyproject.11.toml.lock';
+const packageFile = 'pyproject.11.toml';
+
+const lockFileContent = loadFixture(lockFile);
 
 describe('modules/manager/poetry/update-locked', () => {
   it('detects already updated', () => {
     const config: UpdateLockedConfig = {
+      packageFile,
+      lockFile,
       lockFileContent,
       depName: 'urllib3',
       newVersion: '1.26.3',
@@ -16,6 +21,8 @@ describe('modules/manager/poetry/update-locked', () => {
 
   it('returns unsupported', () => {
     const config: UpdateLockedConfig = {
+      packageFile,
+      lockFile,
       lockFileContent,
       depName: 'urllib3',
       newVersion: '1.26.4',

lib/modules/manager/terraform/lockfile/index.ts

@@ -133,7 +133,7 @@ export async function updateArtifacts({
     }
 
     const res = writeLockUpdates(updates, lockFilePath, lockFileContent);
-    return res ? [res] : null;
+    return [res];
   } catch (err) {
     /* istanbul ignore next */
     return [

lib/modules/manager/types.ts

@@ -123,7 +123,7 @@ export interface Package<T> extends ManagerData<T> {
   pinDigests?: boolean;
   currentRawValue?: string;
   major?: { enabled?: boolean };
-  prettyDepType?: any;
+  prettyDepType?: string;
 }
 
 export interface LookupUpdate {
@@ -159,7 +159,7 @@ export interface PackageDependency<T = Record<string, any>> extends Package<T> {
   digestOneAndOnly?: boolean;
   fixedVersion?: string;
   currentVersion?: string;
-  lockedVersion?: string;
+  lockedVersion?: string | null;
   propSource?: string;
   registryUrls?: string[] | null;
   rangeStrategy?: RangeStrategy;
@@ -224,13 +224,13 @@ export interface BumpPackageVersionResult {
 }
 
 export interface UpdateLockedConfig {
-  packageFile?: string;
+  packageFile: string;
   packageFileContent?: string;
-  lockFile?: string;
+  lockFile: string;
   lockFileContent?: string;
-  depName?: string;
+  depName: string;
   currentVersion?: string;
-  newVersion?: string;
+  newVersion: string;
   allowParentUpdates?: boolean;
   allowHigherOrRemoved?: boolean;
 }
@@ -296,9 +296,9 @@ export interface PostUpdateConfig<T = Record<string, any>>
   ignoreScripts?: boolean;
 
   platform?: string;
-  upgrades?: Upgrade[];
+  upgrades: Upgrade[];
   npmLock?: string;
   yarnLock?: string;
-  branchName?: string;
+  branchName: string;
   reuseExistingBranch?: boolean;
 }

lib/modules/versioning/types.ts

@@ -13,7 +13,7 @@ export interface VersioningApi {
   isSingleVersion(version: string): boolean;
   isStable(version: string): boolean;
   isValid(input: string): boolean;
-  isVersion(input: string): boolean;
+  isVersion(input: string | undefined | null): boolean;
 
   // digestion of version
   getMajor(version: string | SemVer): null | number;

lib/workers/repository/update/branch/get-updated.ts

@@ -75,7 +75,11 @@ export async function getUpdatedPackageFiles(
     } else if (upgrade.isRemediation) {
       const { status, files } = await updateLockedDependency({
         ...upgrade,
+        depName,
+        newVersion,
+        packageFile,
         packageFileContent,
+        lockFile,
         lockFileContent,
         allowParentUpdates: true,
         allowHigherOrRemoved: true,
@@ -100,8 +104,11 @@ export async function getUpdatedPackageFiles(
       if (updateLockedDependency) {
         const { status, files } = await updateLockedDependency({
           ...upgrade,
-          lockFile,
+          depName,
+          newVersion,
+          packageFile,
           packageFileContent,
+          lockFile,
           lockFileContent,
           allowParentUpdates: false,
         });

lib/workers/repository/update/branch/lock-files/index.spec.ts

@@ -10,7 +10,11 @@ import type { PostUpdateConfig } from '../../../../../modules/manager/types';
 import * as _fs from '../../../../../util/fs/proxies';
 import * as _hostRules from '../../../../../util/host-rules';
 
-const config: PostUpdateConfig = getConfig();
+const config: PostUpdateConfig = {
+  ...getConfig(),
+  upgrades: [],
+  branchName: 'some-branch',
+};
 
 const fs = mocked(_fs);
 const lockFiles = mocked(_lockFiles);

tsconfig.strict.json

@@ -39,35 +39,6 @@
     "lib/config/validation-helpers/managers.ts",
     "lib/config/validation.ts",
     "lib/modules/datasource/github-releases/test/index.ts",
-    "lib/modules/manager/api.ts",
-    "lib/modules/manager/index.ts",
-    "lib/modules/manager/npm/detect.ts",
-    "lib/modules/manager/npm/extract/index.ts",
-    "lib/modules/manager/npm/extract/locked-versions.ts",
-    "lib/modules/manager/npm/extract/monorepo.ts",
-    "lib/modules/manager/npm/extract/npm.ts",
-    "lib/modules/manager/npm/extract/pnpm.ts",
-    "lib/modules/manager/npm/extract/utils.ts",
-    "lib/modules/manager/npm/extract/yarn.ts",
-    "lib/modules/manager/npm/index.ts",
-    "lib/modules/manager/npm/post-update/index.ts",
-    "lib/modules/manager/npm/post-update/lerna.ts",
-    "lib/modules/manager/npm/post-update/node-version.ts",
-    "lib/modules/manager/npm/post-update/npm.ts",
-    "lib/modules/manager/npm/post-update/pnpm.ts",
-    "lib/modules/manager/npm/post-update/yarn.ts",
-    "lib/modules/manager/npm/range.ts",
-    "lib/modules/manager/npm/update/dependency/index.ts",
-    "lib/modules/manager/npm/update/index.ts",
-    "lib/modules/manager/npm/update/locked-dependency/common/parent-version.ts",
-    "lib/modules/manager/npm/update/locked-dependency/index.ts",
-    "lib/modules/manager/npm/update/locked-dependency/package-lock/dep-constraints.ts",
-    "lib/modules/manager/npm/update/locked-dependency/package-lock/get-locked.ts",
-    "lib/modules/manager/npm/update/locked-dependency/package-lock/index.ts",
-    "lib/modules/manager/npm/update/locked-dependency/yarn-lock/get-locked.ts",
-    "lib/modules/manager/npm/update/locked-dependency/yarn-lock/index.ts",
-    "lib/modules/manager/npm/update/locked-dependency/yarn-lock/replace.ts",
-    "lib/modules/manager/npm/update/package-version/index.ts",
     "lib/modules/platform/api.ts",
     "lib/modules/platform/azure/azure-got-wrapper.ts",
     "lib/modules/platform/azure/azure-helper.ts",