fix: compatibility issue with ESLint v9 (#137)

* fix: use `context.sourceCode.getScope` for compatibility with ESLint v9
* chore: stop using deprecated APIs

Author: SegaraRai

package.json

@@ -41,7 +41,7 @@
     "js-levenshtein-esm": "^1.2.0"
   },
   "peerDependencies": {
-    "eslint": ">=5"
+    "eslint": ">=8.40.0"
   },
   "devDependencies": {
     "@types/chai": "^4.3.5",

src/rules/attach-shadow-constructor.ts

@@ -27,7 +27,7 @@ const rule: Rule.RuleModule = {
     // variables should be defined here
     let insideNonConstructor = false;
     let insideElement = false;
-    const source = context.getSourceCode();
+    const source = context.sourceCode;
 
     //----------------------------------------------------------------------
     // Helpers

src/rules/define-tag-after-class-definition.ts

@@ -35,7 +35,7 @@ const rule: Rule.RuleModule = {
 
   create(context): Rule.RuleListener {
     const seenClasses = new Set<ESTree.Node>();
-    const source = context.getSourceCode();
+    const source = context.sourceCode;
 
     //----------------------------------------------------------------------
     // Helpers

src/rules/expose-class-on-global.ts

@@ -33,7 +33,7 @@ const rule: Rule.RuleModule = {
 
   create(context): Rule.RuleListener {
     const seenClasses = new Set<ESTree.Node>();
-    const source = context.getSourceCode();
+    const source = context.sourceCode;
 
     //----------------------------------------------------------------------
     // Helpers

src/rules/file-name-matches-element.ts

@@ -116,14 +116,14 @@ const rule: Rule.RuleModule = {
   },
 
   create(context): Rule.RuleListener {
-    const source = context.getSourceCode();
+    const source = context.sourceCode;
     const options = context.options?.[0] ?? {};
     const userSuffixes = coerceArray(options.suffix ?? []);
     const userPrefixes = coerceArray(options.prefix ?? []);
     const transforms = coerceArray(options.transform ?? ['kebab', 'camel']);
     const matchDirectory = options.matchDirectory === true;
 
-    const filename = context.getFilename();
+    const filename = context.filename;
 
     // We don't want to match stdin and what not
     if (!filename || filename === '<input>' || filename === '<text>') {

src/rules/guard-super-call.ts

@@ -27,7 +27,7 @@ const rule: Rule.RuleModule = {
   create(context): Rule.RuleListener {
     let insideNonNativeElement = false;
     let errNode = null;
-    const source = context.getSourceCode();
+    const source = context.sourceCode;
 
     const nativeHooks = [
       'connectedCallback',

src/rules/max-elements-per-file.ts

@@ -36,7 +36,7 @@ const rule: Rule.RuleModule = {
 
   create(context): Rule.RuleListener {
     // variables should be defined here
-    const source = context.getSourceCode();
+    const source = context.sourceCode;
     const maxElements = context.options[0]?.max ?? 1;
     let elementCount = 0;
 

src/rules/no-child-traversal-in-attributechangedcallback.ts

@@ -40,7 +40,7 @@ const rule: Rule.RuleModule = {
     // variables should be defined here
     let insideCallback = false;
     let insideElement = false;
-    const source = context.getSourceCode();
+    const source = context.sourceCode;
 
     //----------------------------------------------------------------------
     // Helpers

src/rules/no-child-traversal-in-connectedcallback.ts

@@ -85,7 +85,7 @@ const rule: Rule.RuleModule = {
     // variables should be defined here
     let insideCallback = false;
     let insideElement = false;
-    const source = context.getSourceCode();
+    const source = context.sourceCode;
 
     //----------------------------------------------------------------------
     // Helpers
@@ -136,7 +136,7 @@ const rule: Rule.RuleModule = {
           return;
         }
 
-        const scope = context.getScope();
+        const scope = context.sourceCode.getScope(node);
         const name = node.property.name;
 
         if (isAllowedScope(scope)) {

src/rules/no-constructor-attributes.ts

@@ -72,7 +72,7 @@ const rule: Rule.RuleModule = {
       'title',
       'translate'
     ];
-    const source = context.getSourceCode();
+    const source = context.sourceCode;
 
     //----------------------------------------------------------------------
     // Helpers