(fix) no error with unkown props if uses $$props

packages/language-server/test/plugins/typescript/features/diagnostics/fixtures/$$props/$$props.svelte

@@ -0,0 +1 @@
+<div class={$$props.class}></div>

packages/language-server/test/plugins/typescript/features/diagnostics/fixtures/$$props/expected.json

@@ -0,0 +1 @@
+[]

packages/language-server/test/plugins/typescript/features/diagnostics/fixtures/$$props/expectedv2.json

@@ -0,0 +1 @@
+[]

packages/language-server/test/plugins/typescript/features/diagnostics/fixtures/$$props/input.svelte

@@ -0,0 +1,5 @@
+<script lang="ts">
+    import Props from "./$$props.svelte";
+</script>
+
+<Props class="abc"></Props>

packages/svelte2tsx/src/svelte2tsx/createRenderFunction.ts

@@ -114,7 +114,7 @@ export function createRenderFunction({
           '}';
 
     const returnString =
-        `\nreturn { props: ${exportedNames.createPropsStr(isTsFile)}` +
+        `\nreturn { props: ${exportedNames.createPropsStr(isTsFile, uses$$props)}` +
         `, slots: ${slotsAsDef}` +
         `, events: ${events.toDefString()} }}`;
 

packages/svelte2tsx/src/svelte2tsx/nodes/ExportedNames.ts

@@ -19,6 +19,9 @@ interface ExportedName {
 }
 
 export class ExportedNames {
+    /**
+     * Uses the $$Props type
+     */
     public uses$$Props = false;
     private exports = new Map<string, ExportedName>();
     private possibleExports = new Map<
@@ -321,8 +324,9 @@ export class ExportedNames {
      * Creates a string from the collected props
      *
      * @param isTsFile Whether this is a TypeScript file or not.
+     * @param uses$$propsValue whether the file references the $$props variable
      */
-    createPropsStr(isTsFile: boolean): string {
+    createPropsStr(isTsFile: boolean, uses$$propsValue: boolean): string {
         const names = Array.from(this.exports.entries());
 
         if (this.uses$$Props) {
@@ -352,7 +356,7 @@ export class ExportedNames {
             );
         }
 
-        if (names.length === 0) {
+        if (names.length === 0 && !uses$$propsValue) {
             // Necessary, because {} roughly equals to any
             return isTsFile
                 ? '{} as Record<string, never>'

packages/svelte2tsx/test/sourcemaps/samples/reserved-variables/mappings.jsx

@@ -51,7 +51,7 @@
 {                                                                                                                                                     
 {/if}                 [original] line 13                                                                                                              
 ------------------------------------------------------------------------------------------------------------------------------------------------------ */}
-return { props: /** @type {Record<string, never>} */ ({}), slots: {}, events: {} }}
+return { props: {}, slots: {}, events: {} }}
 
 export default class Input__SvelteComponent_ extends __sveltets_1_createSvelte2TsxComponent(__sveltets_1_partial_with_any(__sveltets_1_with_any_event(render()))) {
 }

packages/svelte2tsx/test/svelte2tsx/samples/ts-uses-$$props/expected.tsx

@@ -3,7 +3,7 @@
  ;
 () => (<>
 <h1>{$$props['name']}</h1></>);
-return { props: {} as Record<string, never>, slots: {}, events: {} }}
+return { props: {}, slots: {}, events: {} }}
 
 export default class Input__SvelteComponent_ extends __sveltets_1_createSvelte2TsxComponent(__sveltets_1_with_any(__sveltets_1_with_any_event(render()))) {
 }

packages/svelte2tsx/test/svelte2tsx/samples/ts-uses-$$props/expectedv2.ts

@@ -3,7 +3,7 @@
  ;
 async () => {
  { svelteHTML.createElement("h1", {});$$props['name']; }};
-return { props: {} as Record<string, never>, slots: {}, events: {} }}
+return { props: {}, slots: {}, events: {} }}
 
 export default class Input__SvelteComponent_ extends __sveltets_1_createSvelte2TsxComponent(__sveltets_1_with_any(__sveltets_1_with_any_event(render()))) {
 }

packages/svelte2tsx/test/svelte2tsx/samples/uses-$$props-script/expected.tsx

@@ -5,7 +5,7 @@
 ;
 () => (<><h1>{name}</h1>
 </>);
-return { props: /** @type {Record<string, never>} */ ({}), slots: {}, events: {} }}
+return { props: {}, slots: {}, events: {} }}
 
 export default class Input__SvelteComponent_ extends __sveltets_1_createSvelte2TsxComponent(__sveltets_1_partial_with_any(__sveltets_1_with_any_event(render()))) {
 }

packages/svelte2tsx/test/svelte2tsx/samples/uses-$$props-script/expectedv2.ts

@@ -5,7 +5,7 @@
 ;
 async () => { { svelteHTML.createElement("h1", {});name; }
 };
-return { props: /** @type {Record<string, never>} */ ({}), slots: {}, events: {} }}
+return { props: {}, slots: {}, events: {} }}
 
 export default class Input__SvelteComponent_ extends __sveltets_1_createSvelte2TsxComponent(__sveltets_1_partial_with_any(__sveltets_1_with_any_event(render()))) {
-}
+}

packages/svelte2tsx/test/svelte2tsx/samples/uses-$$props/expected.tsx

@@ -1,7 +1,7 @@
 ///<reference types="svelte" />
 <></>;function render() { let $$props = __sveltets_1_allPropsType();
 <><h1>{$$props['name']}</h1></>
-return { props: /** @type {Record<string, never>} */ ({}), slots: {}, events: {} }}
+return { props: {}, slots: {}, events: {} }}
 
 export default class Input__SvelteComponent_ extends __sveltets_1_createSvelte2TsxComponent(__sveltets_1_partial_with_any(__sveltets_1_with_any_event(render()))) {
 }

packages/svelte2tsx/test/svelte2tsx/samples/uses-$$props/expectedv2.ts

@@ -1,7 +1,7 @@
 ///<reference types="svelte" />
 ;function render() { let $$props = __sveltets_1_allPropsType();
 async () => { { svelteHTML.createElement("h1", {});$$props['name']; }};
-return { props: /** @type {Record<string, never>} */ ({}), slots: {}, events: {} }}
+return { props: {}, slots: {}, events: {} }}
 
 export default class Input__SvelteComponent_ extends __sveltets_1_createSvelte2TsxComponent(__sveltets_1_partial_with_any(__sveltets_1_with_any_event(render()))) {
 }