refactor: Enable strict null checks for lookup-related functionality

lib/config/types.ts

@@ -410,10 +410,10 @@ export interface PackageRuleInputConfig extends Record<string, unknown> {
   lockedVersion?: string;
   updateType?: UpdateType;
   isBump?: boolean;
-  sourceUrl?: string;
+  sourceUrl?: string | null;
   language?: string;
   baseBranch?: string;
-  manager?: string;
+  manager?: string | null;
   datasource?: string;
   packageRules?: (PackageRule & PackageRuleInputConfig)[];
 }

lib/modules/manager/types.ts

@@ -58,7 +58,7 @@ export interface RangeConfig<T = Record<string, any>> extends ManagerData<T> {
   currentValue?: string;
   depName?: string;
   depType?: string;
-  manager?: string;
+  manager?: string | null;
   packageJsonType?: 'app' | 'library';
   rangeStrategy: RangeStrategy;
 }
@@ -145,6 +145,9 @@ export interface LookupUpdate {
   newVersion?: string;
   updateType?: UpdateType;
   userStrings?: Record<string, string>;
+  checksumUrl?: string;
+  downloadUrl?: string;
+  releaseTimestamp?: any;
 }
 
 export interface PackageDependency<T = Record<string, any>> extends Package<T> {

lib/workers/repository/process/lookup/bucket.ts

@@ -11,7 +11,7 @@ export function getBucket(
   currentVersion: string,
   newVersion: string,
   versioning: VersioningApi
-): string {
+): string | null {
   const { separateMajorMinor, separateMultipleMajor, separateMinorPatch } =
     config;
   if (!separateMajorMinor) {

lib/workers/repository/process/lookup/filter-checks.ts

@@ -26,7 +26,7 @@ export async function filterInternalChecks(
   sortedReleases: Release[]
 ): Promise<InternalChecksResult> {
   const { currentVersion, datasource, depName, internalChecksFilter } = config;
-  let release: Release;
+  let release: Release | undefined = undefined;
   let pendingChecks = false;
   let pendingReleases: Release[] = [];
   if (internalChecksFilter === 'none') {
@@ -41,12 +41,13 @@ export async function filterInternalChecks(
       releaseConfig.updateType = getUpdateType(
         releaseConfig,
         versioning,
-        currentVersion,
+        // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+        currentVersion!,
         candidateRelease.version
       );
       releaseConfig = mergeChildConfig(
         releaseConfig,
-        releaseConfig[releaseConfig.updateType]
+        releaseConfig[releaseConfig.updateType]!
       );
       // Apply packageRules in case any apply to updateType
       releaseConfig = applyPackageRules(releaseConfig);
@@ -69,15 +70,21 @@ export async function filterInternalChecks(
           continue;
         }
       }
-      if (isActiveConfidenceLevel(minimumConfidence)) {
+      // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+      if (isActiveConfidenceLevel(minimumConfidence!)) {
         const confidenceLevel = await getMergeConfidenceLevel(
-          datasource,
-          depName,
-          currentVersion,
+          // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+          datasource!,
+          // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+          depName!,
+          // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+          currentVersion!,
           newVersion,
-          updateType
+          // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+          updateType!
         );
-        if (!satisfiesConfidenceLevel(confidenceLevel, minimumConfidence)) {
+        // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+        if (!satisfiesConfidenceLevel(confidenceLevel, minimumConfidence!)) {
           logger.debug(
             { depName, check: 'minimumConfidence' },
             `Release ${candidateRelease.version} is pending status checks`
@@ -106,5 +113,6 @@ export async function filterInternalChecks(
       }
     }
   }
-  return { release, pendingChecks, pendingReleases };
+  // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+  return { release: release!, pendingChecks, pendingReleases };
 }

lib/workers/repository/process/lookup/filter.ts

@@ -50,7 +50,8 @@ export function filterVersions(
       const versionRelease = releases.find(
         (release) => release.version === v.version
       );
-      if (versionRelease.isDeprecated) {
+      // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+      if (versionRelease!.isDeprecated) {
         logger.trace(
           `Skipping ${config.depName}@${v.version} because it is deprecated`
         );
@@ -79,7 +80,7 @@ export function filterVersions(
         'Falling back to npm semver syntax for allowedVersions'
       );
       filteredVersions = filteredVersions.filter((v) =>
-        semver.satisfies(semver.coerce(v.version), allowedVersions)
+        semver.satisfies(semver.coerce(v.version)!, allowedVersions)
       );
     } else if (
       config.versioning === poetryVersioning.id &&

lib/workers/repository/process/lookup/generate.ts

@@ -18,19 +18,26 @@ export function generateUpdate(
   const update: LookupUpdate = {
     bucket,
     newVersion,
-    newValue: null,
+    newValue: null!,
   };
-  const releaseFields = [
-    'checksumUrl',
-    'downloadUrl',
-    'newDigest',
-    'releaseTimestamp',
-  ];
-  for (const field of releaseFields) {
-    if (release[field] !== undefined) {
-      update[field] = release[field];
-    }
+
+  // istanbul ignore if
+  if (release.checksumUrl !== undefined) {
+    update.checksumUrl = release.checksumUrl;
+  }
+  // istanbul ignore if
+  if (release.downloadUrl !== undefined) {
+    update.downloadUrl = release.downloadUrl;
   }
+  // istanbul ignore if
+  if (release.newDigest !== undefined) {
+    update.newDigest = release.newDigest;
+  }
+  // istanbul ignore if
+  if (release.releaseTimestamp !== undefined) {
+    update.releaseTimestamp = release.releaseTimestamp;
+  }
+
   const { currentValue } = config;
   if (currentValue) {
     try {
@@ -39,7 +46,7 @@ export function generateUpdate(
         rangeStrategy,
         currentVersion,
         newVersion,
-      });
+      })!;
     } catch (err) /* istanbul ignore next */ {
       logger.warn(
         { err, currentValue, rangeStrategy, currentVersion, newVersion },
@@ -48,14 +55,14 @@ export function generateUpdate(
       update.newValue = currentValue;
     }
   } else {
-    update.newValue = currentValue;
+    update.newValue = currentValue!;
   }
-  update.newMajor = versioning.getMajor(newVersion);
-  update.newMinor = versioning.getMinor(newVersion);
+  update.newMajor = versioning.getMajor(newVersion)!;
+  update.newMinor = versioning.getMinor(newVersion)!;
   // istanbul ignore if
   if (!update.updateType && !currentVersion) {
     logger.debug({ update }, 'Update has no currentVersion');
-    update.newValue = currentValue;
+    update.newValue = currentValue!;
     return update;
   }
   update.updateType =
@@ -69,7 +76,8 @@ export function generateUpdate(
   }
   if (
     rangeStrategy === 'bump' &&
-    versioning.matches(newVersion, currentValue)
+    // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+    versioning.matches(newVersion, currentValue!)
   ) {
     update.isBump = true;
   }