feat: setting optional properties

package.json

@@ -1,6 +1,6 @@
 {
   "name": "svelte-infinite-scroll",
-  "version": "2.0.0",
+  "version": "2.0.1",
   "description": "Infinite Scroll Component to Svelte",
   "repository": "https://github.com/andrelmlins/svelte-infinite-scroll",
   "author": "André Lins <[email protected]> (https://andrelmlins.github.io/)",
@@ -31,7 +31,7 @@
     "rollup-plugin-terser": "^7.0.0",
     "sirv-cli": "^0.4.4",
     "svelte": "^3.32.0",
-    "svelte-dts": "^0.3.3",
+    "svelte-dts": "^0.3.7",
     "svelte-jester": "1.1.5",
     "svelte-preprocess": "^4.7.4",
     "svelte-transpile-typescript": "^0.1.2",

src/lib/InfiniteScroll.svelte

@@ -1,12 +1,12 @@
 <script lang="ts">
   import { onMount, onDestroy, createEventDispatcher } from "svelte";
 
-  export let threshold: number = 0;
-  export let horizontal: boolean = false;
+  export let threshold: number | undefined = 0;
+  export let horizontal: boolean | undefined = false;
   export let elementScroll: HTMLElement | null = null;
-  export let hasMore: boolean = true;
-  export let reverse: boolean = false;
-  export let window: boolean = false;
+  export let hasMore: boolean | undefined = true;
+  export let reverse: boolean | undefined = false;
+  export let window: boolean | undefined = false;
 
   const dispatch = createEventDispatcher<{ loadMore: never }>();
 
@@ -33,9 +33,9 @@
     if (!hasMore) return;
 
     const target = e.target as HTMLElement;
-    const offset = calcOffset(target, reverse, horizontal);
+    const offset = calcOffset(target, reverse!, horizontal!);
 
-    if (offset <= threshold) {
+    if (offset <= threshold!) {
       if (!isLoadMore && hasMore) {
         dispatch("loadMore");
         beforeScrollHeight = target.scrollHeight;

yarn.lock

@@ -4391,10 +4391,10 @@ supports-hyperlinks@^2.0.0:
     has-flag "^4.0.0"
     supports-color "^7.0.0"
 
-svelte-dts@^0.3.3:
-  version "0.3.3"
-  resolved "https://registry.yarnpkg.com/svelte-dts/-/svelte-dts-0.3.3.tgz#91e6d7270c56a547f72ff7af44c07e4a55f63de2"
-  integrity sha512-PWw4+OK4EUdCgflsTRUHMrtf1+5If94tmAvuJeq3CF1aNhiwmp7RtplMA0I7cNckbCnDJ/3gBpwFHdf7bQjVkQ==
+svelte-dts@^0.3.7:
+  version "0.3.7"
+  resolved "https://registry.yarnpkg.com/svelte-dts/-/svelte-dts-0.3.7.tgz#ad1df3f5d23c72c0fc5dfbb5b9fdcfeb3b43d27f"
+  integrity sha512-gy5jIgL8R9IDBwfqvvzPwamEJufQyieEaS5D9drvtOi8rpWlg7ZuAnJ73ZjJK71o8ik8hIM3zx2XiPlLTDb/tQ==
   dependencies:
     commander "^7.1.0"
     recursive-readdir "^2.2.2"