feat(new tool): Parquet File Reader

Fix #1516

Author: sharevb

src/tools/index.ts

@@ -2,6 +2,7 @@ import { tool as base64FileConverter } from './base64-file-converter';
 import { tool as base64StringConverter } from './base64-string-converter';
 import { tool as basicAuthGenerator } from './basic-auth-generator';
 import { tool as emailNormalizer } from './email-normalizer';
+import { tool as parquetsReader } from './parquets-reader';
 
 import { tool as asciiTextDrawer } from './ascii-text-drawer';
 
@@ -160,6 +161,7 @@ export const toolsByCategory: ToolCategory[] = [
       emailNormalizer,
       regexTester,
       regexMemo,
+	  parquetsReader,
     ],
   },
   {

src/tools/parquets-reader/index.ts

@@ -0,0 +1,12 @@
+import { Parking } from '@vicons/tabler';
+import { defineTool } from '../tool';
+
+export const tool = defineTool({
+  name: 'Parquet files Reader',
+  path: '/parquets-reader',
+  description: 'Read parquet file as JSON object arrays',
+  keywords: ['parquet', 'reader'],
+  component: () => import('./parquets-reader.vue'),
+  icon: Parking,
+  createdAt: new Date('2025-02-09'),
+});

src/tools/parquets-reader/parquets-reader.vue

@@ -0,0 +1,58 @@
+<script setup lang="ts">
+const fileInput = ref() as Ref<File | null>;
+
+const error = ref('');
+const result = ref([]);
+
+const parsedEmailRaw = computedAsync(async () => {
+  const file = fileInput.value;
+  error.value = '';
+  if (file == null) {
+    return null;
+  }
+  try {
+    const reader = await parquet.ParquetReader.openBuffer(await file.arrayBuffer());
+    const cursor = reader.getCursor();
+
+    const records = [];
+    let record = await cursor.next();
+    while (record) {
+      records.push(record);
+      record = await cursor.next();
+    }
+
+    await reader.close();
+
+    result.value = records;
+  }
+  catch (e: any) {
+    error.value = e.toString();
+    return null;
+  }
+});
+
+function onUpload(file: File) {
+  if (file) {
+    fileInput.value = file;
+  }
+}
+</script>
+
+<template>
+  <div style="max-width: 600px;">
+    <c-card title="Input" mb-2>
+      <c-file-upload
+        title="Drag and drop Parquet file here, or click to select a file"
+        @file-upload="onUpload"
+      />
+    </c-card>
+
+    <c-alert v-if="error">
+      {{ error }}
+    </c-alert>
+
+    <n-form-item v-if="!error" label="Equavalent JSON Content">
+      <textarea-copyable :value="JSON.stringify(result || [], null, 2)" language="json" :download-file-name="`${fileInput.name}.json`" />
+    </n-form-item>
+  </div>
+</template>