feat: stabilize generics (#589)

Author: marekdedic

.changeset/orange-laws-tie.md

@@ -0,0 +1,5 @@
+---
+"svelte-eslint-parser": minor
+---
+
+feat: stabilized generics

README.md

@@ -291,11 +291,6 @@ export default [
           // If not configured this option, The parser will try to read the option from `compilerOptions.runes` from `svelte.config.js`.
           // If `parserOptions.svelteConfig` is not specified and the file cannot be parsed by static analysis, it will behave as `true`.
           runes: true,
-          /* -- Experimental Svelte Features -- */
-          /* It may be changed or removed in minor versions without notice. */
-          // Whether to parse the `generics` attribute.
-          // See https://github.com/sveltejs/rfcs/pull/38
-          experimentalGenerics: false,
         },
       },
     },
@@ -317,11 +312,6 @@ For example in `.eslintrc.*`:
       // If not configured this option, The parser will try to read the option from `compilerOptions.runes` from `svelte.config.js`.
       // If `parserOptions.svelteConfig` is not specified and the file cannot be parsed by static analysis, it will behave as `true`.
       "runes": true,
-      /* -- Experimental Svelte Features -- */
-      /* It may be changed or removed in minor versions without notice. */
-      // Whether to parse the `generics` attribute.
-      // See https://github.com/sveltejs/rfcs/pull/38
-      "experimentalGenerics": false,
     },
   },
 }

src/parser/converts/root.ts

@@ -173,8 +173,7 @@ export function convertSvelteRoot(
     body.push(style);
   }
   body.push(...convertChildren({ nodes: snippetChildren }, ast, ctx));
-  if (script && ctx.parserOptions.svelteFeatures?.experimentalGenerics)
-    convertGenericsAttribute(script, ctx);
+  if (script) convertGenericsAttribute(script, ctx);
 
   // Set the scope of the Program node.
   ctx.scriptLet.addProgramRestore(

src/parser/parser-options.ts

@@ -26,9 +26,6 @@ export type NormalizedParserOptions = {
     // If not configured this option, The parser will try to read the option from `compilerOptions.runes` from `svelte.config.js`.
     // If `parserOptions.svelteConfig` is not specified and the file cannot be parsed by static analysis, it will behave as `true`.
     runes?: boolean;
-    // Whether to parse the `generics` attribute.
-    // See https://github.com/sveltejs/rfcs/pull/38
-    experimentalGenerics?: boolean;
   };
   loc: boolean;
   range: boolean;

tests/src/parser/test-utils.ts

@@ -21,9 +21,6 @@ const BASIC_PARSER_OPTIONS: Linter.ParserOptions = {
   },
   project: require.resolve("../../fixtures/tsconfig.test.json"),
   extraFileExtensions: [".svelte"],
-  svelteFeatures: {
-    experimentalGenerics: true,
-  },
 };
 
 const SVELTE5_SCOPE_VARIABLES_BASE = [