chore: tighten ESLint config (#6931)

* chore: tighten ESLint config

* more refactor

* refactor push

* fix

packages/docusaurus-utils/src/dataFileUtils.ts

@@ -49,7 +49,6 @@ export async function getDataFileData<T>(
     const unsafeContent = Yaml.load(contentString);
     return validate(unsafeContent);
   } catch (err) {
-    // TODO replace later by error cause, see https://v8.dev/features/error-cause
     logger.error`The ${params.fileType} file at path=${filePath} looks invalid.`;
     throw err;
   }

packages/docusaurus-utils/src/markdownUtils.ts

@@ -38,7 +38,6 @@ export function createExcerpt(fileString: string): string | undefined {
   let inCode = false;
   let lastCodeFence = '';
 
-  /* eslint-disable no-continue */
   for (const fileLine of fileLines) {
     // Skip empty line.
     if (!fileLine.trim()) {

packages/docusaurus-utils/src/urlUtils.ts

@@ -50,7 +50,6 @@ export function normalizeUrl(rawUrls: string[]): string {
       if (i === urls.length - 1 && hasEndingSlash) {
         resultArray.push('/');
       }
-      // eslint-disable-next-line no-continue
       continue;
     }