Initial scaffold: docs, data manifest, and static dashboard

This commit is contained in:
2026-03-17 12:49:08 -04:00
commit dbbe0bae66
8 changed files with 299 additions and 0 deletions

107
app/app.js Normal file
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async function loadManifest() {
const res = await fetch('../data/manifest.json');
if (!res.ok) throw new Error('Failed to load manifest.json');
return res.json();
}
function parseCSV(text) {
const lines = text.trim().split(/\r?\n/);
if (!lines.length) return { headers: [], rows: [] };
const headers = lines[0].split(',').map(h => h.trim());
const rows = lines.slice(1).map(line => {
const cols = [];
let current = '';
let inQuotes = false;
for (let i = 0; i < line.length; i++) {
const ch = line[i];
if (ch === '"') {
if (inQuotes && line[i + 1] === '"') {
current += '"';
i++;
} else {
inQuotes = !inQuotes;
}
} else if (ch === ',' && !inQuotes) {
cols.push(current);
current = '';
} else {
current += ch;
}
}
cols.push(current);
return cols;
});
return { headers, rows };
}
function renderCSVList(files) {
const list = document.getElementById('csv-list');
list.innerHTML = '';
if (!files.length) {
list.textContent = 'No CSV files listed in manifest.json yet.';
return;
}
files.forEach(f => {
const pill = document.createElement('div');
pill.className = 'csv-pill';
pill.textContent = f;
list.appendChild(pill);
});
}
function renderPreview(headers, rows) {
const preview = document.getElementById('preview');
if (!headers.length) {
preview.textContent = 'No data loaded yet.';
return;
}
const table = document.createElement('table');
table.className = 'table';
const thead = document.createElement('thead');
const trh = document.createElement('tr');
headers.forEach(h => {
const th = document.createElement('th');
th.textContent = h;
trh.appendChild(th);
});
thead.appendChild(trh);
table.appendChild(thead);
const tbody = document.createElement('tbody');
rows.slice(0, 10).forEach(r => {
const tr = document.createElement('tr');
r.forEach(cell => {
const td = document.createElement('td');
td.textContent = cell;
tr.appendChild(td);
});
tbody.appendChild(tr);
});
table.appendChild(tbody);
preview.innerHTML = '';
preview.appendChild(table);
}
async function loadFirstCSV(files) {
if (!files.length) return;
const res = await fetch(`../data/${files[0]}`);
if (!res.ok) throw new Error(`Failed to load ${files[0]}`);
const text = await res.text();
const { headers, rows } = parseCSV(text);
renderPreview(headers, rows);
}
async function init() {
try {
const manifest = await loadManifest();
const files = manifest.csvFiles || [];
renderCSVList(files);
await loadFirstCSV(files);
} catch (err) {
document.getElementById('csv-list').textContent = err.message;
console.error(err);
}
}
init();

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app/index.html Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Power BI Dashboard Migration</title>
<link rel="stylesheet" href="./styles.css" />
</head>
<body>
<header>
<h1>Power BI Dashboard Migration</h1>
<p class="sub">Loading local CSVs (no database yet)</p>
</header>
<section id="kpis" class="kpi-grid">
<div class="kpi-card">
<div class="kpi-label">KPI 1</div>
<div class="kpi-value" id="kpi-1"></div>
</div>
<div class="kpi-card">
<div class="kpi-label">KPI 2</div>
<div class="kpi-value" id="kpi-2"></div>
</div>
<div class="kpi-card">
<div class="kpi-label">KPI 3</div>
<div class="kpi-value" id="kpi-3"></div>
</div>
</section>
<section class="panel">
<h2>Loaded CSVs</h2>
<div id="csv-list" class="csv-list">Loading…</div>
</section>
<section class="panel">
<h2>Preview (first 10 rows)</h2>
<div id="preview" class="table-wrap">No data loaded yet.</div>
</section>
<script src="./app.js"></script>
</body>
</html>

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app/styles.css Normal file
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:root {
--bg: #0b0f17;
--panel: #141a26;
--text: #e6ecf2;
--muted: #9aa7b2;
--accent: #4f8cff;
}
* { box-sizing: border-box; }
body {
margin: 0;
font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
background: var(--bg);
color: var(--text);
padding: 24px;
}
header {
margin-bottom: 24px;
}
h1 { margin: 0 0 6px 0; }
.sub { color: var(--muted); margin: 0; }
.kpi-grid {
display: grid;
gap: 16px;
grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
margin-bottom: 24px;
}
.kpi-card {
background: var(--panel);
border: 1px solid #1f2a3a;
border-radius: 12px;
padding: 16px;
}
.kpi-label { color: var(--muted); font-size: 13px; }
.kpi-value { font-size: 22px; margin-top: 6px; }
.panel {
background: var(--panel);
border: 1px solid #1f2a3a;
border-radius: 12px;
padding: 16px;
margin-bottom: 24px;
}
.csv-list { display: flex; flex-wrap: wrap; gap: 8px; }
.csv-pill {
background: #1f2a3a;
padding: 6px 10px;
border-radius: 999px;
font-size: 12px;
}
.table-wrap { overflow-x: auto; }
.table {
width: 100%;
border-collapse: collapse;
font-size: 12px;
}
.table th, .table td {
border-bottom: 1px solid #1f2a3a;
padding: 6px 8px;
text-align: left;
}
.table th { color: var(--muted); }