fix: incorrect line numbers

Still don't know what happened here, the esbuild's example plugin --
https://esbuild.github.io/plugins/#svelte-plugin
does have `start.line - 1` to get the lineText, but that was
wrong in my current test.

Maybe related:
EMH333/esbuild-svelte#83

README.md

@@ -75,6 +75,14 @@ See [`svelte.compile`](https://svelte.dev/docs#svelte_compile).
 
 ## Changelog
 
+### 0.1.6
+
+- Fixed invalid character error because of svelte using the `btoa` in node side.
+- Fixed incorrect line numbers in warnings.\
+  However I still don't know what is wrong here.
+  The example in esbuild's website does have `start.line - 1`, but my recent test
+  shows that it should be `start.line`.
+
 ### 0.1.4
 
 - Make `svelte()` also the default export.

e2e-test/src/App.svelte

@@ -1,13 +1,18 @@
 <script lang="ts">
   import External from "./External.svelte";
   let count: number = 1;
+
+  let b = 0; b === -0; // test warning
 </script>
 
 <button on:click={() => count++}>count: {count}</button>
 <External />
 <p>🚧</p>
 
 <style>
+  h2 {
+    /* test warning */
+  }
   button {
     color: red;
   }