(fix) remove false positive warnings for unary operators

packages/svelte2tsx/src/svelte2tsx/processInstanceScriptContent.ts

@@ -132,8 +132,12 @@ export function processInstanceScriptContent(
         // handle $store++, $store--, ++$store, --$store
         if (
             (ts.isPrefixUnaryExpression(parent) || ts.isPostfixUnaryExpression(parent)) &&
-            parent.operator !==
-                ts.SyntaxKind.ExclamationToken /* `!$store` does not need processing */
+            ![
+                ts.SyntaxKind.ExclamationToken, // !$store
+                ts.SyntaxKind.PlusToken, // +$store
+                ts.SyntaxKind.MinusToken, // -$store
+                ts.SyntaxKind.TildeToken // ~$store
+            ].includes(parent.operator) /* `!$store` etc does not need processing */
         ) {
             let simpleOperator: string;
             if (parent.operator === ts.SyntaxKind.PlusPlusToken) {

packages/svelte2tsx/test/svelte2tsx/samples/uses-$store-with-exclamation-mark/expected.tsx → packages/svelte2tsx/test/svelte2tsx/samples/uses-$store-with-unary-operators/expected.tsx

@@ -6,10 +6,16 @@ function render() {
 
   const count = writable(0)/*Ωignore_startΩ*/;let $count = __sveltets_1_store_get(count);/*Ωignore_endΩ*/;
   const handler1 = () => !(__sveltets_1_store_get(count), $count)
+  const handler2 = () => +(__sveltets_1_store_get(count), $count)
+  const handler3 = () => -(__sveltets_1_store_get(count), $count)
+  const handler4 = () => ~(__sveltets_1_store_get(count), $count)
 ;
 () => (<>
 
-<button onclick={() => !(__sveltets_1_store_get(count), $count)}>add</button></>);
+<button onclick={() => !(__sveltets_1_store_get(count), $count)}>add</button>
+<button onclick={() => +(__sveltets_1_store_get(count), $count)}>add</button>
+<button onclick={() => -(__sveltets_1_store_get(count), $count)}>add</button>
+<button onclick={() => ~(__sveltets_1_store_get(count), $count)}>add</button></>);
 return { props: {}, slots: {}, getters: {}, events: {} }}
 
 export default class Input__SvelteComponent_ extends __sveltets_1_createSvelte2TsxComponent(__sveltets_1_partial(__sveltets_1_with_any_event(render()))) {

packages/svelte2tsx/test/svelte2tsx/samples/uses-$store-with-unary-operators/input.svelte

@@ -0,0 +1,13 @@
+<script>
+  import { writable } from 'svelte/store';
+  const count = writable(0);
+  const handler1 = () => !$count
+  const handler2 = () => +$count
+  const handler3 = () => -$count
+  const handler4 = () => ~$count
+</script>
+
+<button on:click={() => !$count}>add</button>
+<button on:click={() => +$count}>add</button>
+<button on:click={() => -$count}>add</button>
+<button on:click={() => ~$count}>add</button>