refactor: add missing type annotations to variables (#472)

Author: lumirlumir

src/language/markdown-source-code.js

@@ -205,7 +205,9 @@ export class MarkdownSourceCode extends TextSourceCodeBase {
  * that ESLint needs to further process the directives.
  */
 getDisableDirectives() {
+/** @type {Array<FileProblem>} */
 const problems = [];
+/** @type {Array<Directive>} */
 const directives = [];
 
 this.getInlineConfigNodes().forEach(comment => {
@@ -263,7 +265,9 @@ export class MarkdownSourceCode extends TextSourceCodeBase {
  * that ESLint needs to further process the rule configurations.
  */
 applyInlineConfig() {
+/** @type {Array<FileProblem>} */
 const problems = [];
+/** @type {Array<{config:{rules:RulesConfig},loc:SourceLocation}>} */
 const configs = [];
 
 this.getInlineConfigNodes().forEach(comment => {

src/rules/no-missing-label-refs.js

@@ -125,6 +125,8 @@ export default {
 
 create(context) {
 const { sourceCode } = context;
+
+/** @type {Array<{label:string,position:Position}>} */
 let allMissingReferences = [];
 
 return {

src/rules/no-missing-link-fragments.js

@@ -14,7 +14,7 @@ import GithubSlugger from "github-slugger";
 //-----------------------------------------------------------------------------
 
 /**
- * @import { Node } from "mdast";
+ * @import { Node, Link } from "mdast";
  * @import { MarkdownRuleDefinition } from "../types.js";
  * @typedef {"invalidFragment"} NoMissingLinkFragmentsMessageIds
  * @typedef {[{ ignoreCase?: boolean; allowPattern?: string }]} NoMissingLinkFragmentsOptions
@@ -110,6 +110,8 @@ export default {
 
 const fragmentIds = new Set(["top"]);
 const slugger = new GithubSlugger();
+
+/** @type {Array<{node: Link, fragment: string}>} */
 const linkNodes = [];
 
 return {

src/rules/no-reversed-media-syntax.js

@@ -47,6 +47,7 @@ function isInCodeSpan(matchIndex, codeSpans) {
  * @returns {Array<{startOffset: number, endOffset: number}>} Array of code span positions
  */
 function findCodeSpans(node) {
+/** @type {Array<{startOffset: number, endOffset: number}>} */
 const codeSpans = [];
 
 /**