Get rid of crc32, truncate instead

Signed-off-by: Matt Strapp <matt@mattstrapp.net>

1 files changed, 75 insertions, 0 deletions

diff --git a/app/src/routes/truncate/+page.svelte b/app/src/routes/truncate/+page.svelte
new file mode 100644
index 0000000..9e2545f
--- /dev/null
+++ b/app/src/routes/truncate/+page.svelte
@@ -0,0 +1,75 @@
+<script lang="ts">
+    import saveFile from '$lib/ts/download';
+  import type { TruncateRequest, TruncateResponse } from '$lib/types/truncate-worker';
+  import { FileDropzone, ProgressBar } from '@skeletonlabs/skeleton';
+  import { onMount } from 'svelte';
+
+  let disableInput = false;
+  let files: FileList;
+  let form: HTMLFormElement;
+  let worker: Worker;
+  $: truncateTo = 1;
+  let originalName: string;
+
+  function onUpload() {
+    disableInput = true;
+    originalName = files[0].name;
+    worker.postMessage({
+      file: files[0],
+      size: truncateTo,
+    } as TruncateRequest);
+    form.reset();
+    truncateTo = 1;
+  }
+
+  onMount(async () => {
+    worker = new Worker(new URL('$lib/ts/truncate.worker.ts', import.meta.url), { type: 'module' });
+    worker.onmessage = (e: MessageEvent<TruncateResponse>) => {
+      disableInput = false;
+      saveFile(e.data.file, `trunc-${originalName}`);
+
+    };
+  });
+</script>
+
+<svelte:head>
+  <title>Truncate</title>
+</svelte:head>
+
+<div class="container h-full mx-auto flex justify-center items-center">
+  <div class="space-y-10 text-center flex flex-col items-center">
+    <form bind:this={form} on:submit|preventDefault={onUpload} method="POST" action="?/TODO">
+      <label class="label" for="truncateMe">
+        <FileDropzone
+          id="truncateMe"
+          name="truncateMe"
+          bind:files
+          on:change={() => form.requestSubmit()}
+          required
+          disabled={disableInput}
+        >
+          <svelte:fragment slot="lead">
+            <h2 class="h2">Drop a file here to truncate it.</h2>
+          </svelte:fragment>
+        </FileDropzone>
+      </label>
+      <br />
+      <label class="label">
+        <span>Truncate up to... (in bytes)</span>
+        <input class="input" type="number" name="truncateTo" bind:value={truncateTo} min="1" required />
+
+      </label>
+      <br />
+      <noscript>
+        <button type="submit" class="btn variant-filled"
+          >After adding a file, click to submit! (Not yet implemented)</button
+        >
+      </noscript>
+      {#if disableInput}
+        <h3 class="h3">Truncating the file, this may take time!</h3>
+        <br />
+        <ProgressBar />
+      {/if}
+    </form>
+  </div>
+</div>