asadbek064/hyparquet
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Fix demo metadata

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This commit is contained in:
Kenny Daniel 2024-02-04 21:21:01 -08:00
parent b844c22991
commit ccb7329ffa
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1 changed files with 6 additions and 4 deletions
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10
demo.js
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@ -2,7 +2,7 @@ import { parquetMetadata, toJson } from './src/hyparquet.js'
const dropzone = document.getElementById('dropzone')
const layout = document.getElementById('layout')
const metadata = document.getElementById('metadata')
const metadataDiv = document.getElementById('metadata')
const fileInput = document.getElementById('file-input')
dropzone.addEventListener('dragover', e => {
@ -53,6 +53,7 @@ function processFile(file) {
const arrayBuffer = e.target.result
renderSidebar(arrayBuffer, file.name)
} catch (e) {
console.error('Error parsing file', e)
dropzone.innerHTML = `<strong>${file.name}</strong>`
dropzone.innerHTML += `<div class="error">Error parsing file\n${e}</div>`
}
@ -65,12 +66,13 @@ function processFile(file) {
}
function renderSidebar(asyncBuffer, name) {
const metadata = parquetMetadata(asyncBuffer)
layout.innerHTML = `<strong>${name}</strong>`
// render file layout
layout.appendChild(fileLayout(metadata, asyncBuffer))
// display metadata
metadata.innerHTML = ''
metadata.appendChild(fileMetadata(toJson(parquetMetadata(asyncBuffer))))
metadataDiv.innerHTML = ''
metadataDiv.appendChild(fileMetadata(toJson(metadata)))
}
dropzone.addEventListener('click', () => {
@ -98,7 +100,7 @@ function fileLayout(metadata, arrayBuffer) {
columnOffset = column.meta_data.data_page_offset
}
columnOffset = Number(columnOffset)
const bytes = column.meta_data.total_compressed_size
const bytes = Number(column.meta_data.total_compressed_size)
const end = columnOffset + bytes
html += cell(`Column ${columnName}`, columnOffset, bytes, end)
}