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document.addEventListener('DOMContentLoaded', function() {
// Initialize charts with sample data
initCharts();
loadNewsFeed();
setupDarkModeToggle();
});
function initCharts() {
// Sample data - in a real app, this would come from your API
const dates = ['2023-01', '2023-02', '2023-03', '2023-04', '2023-05', '2023-06'];
const inflationData = [5.2, 5.5, 5.8, 6.1, 6.0, 5.9];
const gdpData = [2.1, 2.3, 2.5, 2.7, 2.9, 3.1];
const sentimentData = [0.2, -0.1, 0.3, -0.2, 0.1, 0.4];
// Inflation Chart
const inflationCtx = document.getElementById('inflationChart').getContext('2d');
new Chart(inflationCtx, {
type: 'line',
data: {
labels: dates,
datasets: [{
label: 'Inflation Rate',
data: inflationData,
borderColor: '#ef4444',
backgroundColor: 'rgba(239, 68, 68, 0.1)',
tension: 0.3,
fill: true
}]
},
options: getChartOptions('Inflation Rate (%)')
});
// GDP Chart
const gdpCtx = document.getElementById('gdpChart').getContext('2d');
new Chart(gdpCtx, {
type: 'line',
data: {
labels: dates,
datasets: [{
label: 'GDP Growth',
data: gdpData,
borderColor: '#10b981',
backgroundColor: 'rgba(16, 185, 129, 0.1)',
tension: 0.3,
fill: true
}]
},
options: getChartOptions('GDP Growth (%)')
});
// Full Chart
const fullCtx = document.getElementById('fullChart').getContext('2d');
new Chart(fullCtx, {
type: 'line',
data: {
labels: dates,
datasets: [
{
label: 'Inflation',
data: inflationData,
borderColor: '#ef4444',
backgroundColor: 'rgba(239, 68, 68, 0.1)',
yAxisID: 'y',
tension: 0.3
},
{
label: 'GDP Growth',
data: gdpData,
borderColor: '#10b981',
backgroundColor: 'rgba(16, 185, 129, 0.1)',
yAxisID: 'y',
tension: 0.3
},
{
label: 'Sentiment',
data: sentimentData,
borderColor: '#6366f1',
backgroundColor: 'rgba(99, 102, 241, 0.1)',
yAxisID: 'y1',
tension: 0.3
}
]
},
options: {
responsive: true,
interaction: {
mode: 'index',
intersect: false,
},
plugins: {
title: {
display: true,
text: 'Economic Indicators Over Time',
color: '#6b7280',
font: {
size: 16
}
},
legend: {
position: 'top',
labels: {
color: '#6b7280'
}
},
tooltip: {
mode: 'index',
intersect: false
}
},
scales: {
x: {
grid: {
color: 'rgba(209, 213, 219, 0.2)'
},
ticks: {
color: '#6b7280'
}
},
y: {
type: 'linear',
display: true,
position: 'left',
grid: {
color: 'rgba(209, 213, 219, 0.2)'
},
ticks: {
color: '#6b7280'
}
},
y1: {
type: 'linear',
display: true,
position: 'right',
grid: {
drawOnChartArea: false,
color: 'rgba(209, 213, 219, 0.2)'
},
ticks: {
color: '#6b7280'
}
}
}
}
});
// Update text elements
document.getElementById('sentimentText').textContent = `Current sentiment: Positive (0.42)`;
document.getElementById('inflationText').textContent = `Forecast: 5.9% (↓ 0.1% from last month)`;
document.getElementById('gdpText').textContent = `Forecast: 3.1% (↑ 0.2% from last quarter)`;
// Initialize sentiment gauge
updateSentimentGauge(0.42);
}
function getChartOptions(title) {
return {
responsive: true,
maintainAspectRatio: false,
plugins: {
legend: {
display: false
},
title: {
display: false
},
tooltip: {
enabled: true,
mode: 'index',
intersect: false
}
},
scales: {
x: {
grid: {
display: false
},
ticks: {
display: false
}
},
y: {
grid: {
display: false
},
ticks: {
display: false
}
}
},
elements: {
point: {
radius: 0
}
}
};
}
function updateSentimentGauge(value) {
// Value between -1 and 1
const gaugeFill = document.createElement('div');
gaugeFill.className = 'gauge-fill';
gaugeFill.style.transform = `rotate(${value * 0.5}turn)`;
const gaugeCover = document.createElement('div');
gaugeCover.className = 'gauge-cover';
gaugeCover.textContent = value > 0 ? '+' + value.toFixed(2) : value.toFixed(2);
const gaugeBody = document.createElement('div');
gaugeBody.className = 'gauge-body';
gaugeBody.appendChild(gaugeFill);
const gaugeContainer = document.createElement('div');
gaugeContainer.className = 'gauge-container';
gaugeContainer.appendChild(gaugeBody);
gaugeContainer.appendChild(gaugeCover);
document.getElementById('sentimentGauge').innerHTML = '';
document.getElementById('sentimentGauge').appendChild(gaugeContainer);
}
async function loadNewsFeed() {
try {
// In a real app, you would fetch this from your API
const mockNews = [
{
title: "Central Bank Announces Interest Rate Hike to Combat Inflation",
source: "Financial Times",
date: "2023-06-15",
sentiment: 0.42
},
{
title: "GDP Growth Exceeds Expectations in Q2",
source: "Bloomberg",
date: "2023-06-10",
sentiment: 0.78
},
{
title: "Unemployment Rates Rise Slightly Amid Economic Slowdown",
source: "Reuters",
date: "2023-06-05",
sentiment: -0.35
},
{
title: "Government Announces New Stimulus Package to Boost Economy",
source: "Wall Street Journal",
date: "2023-05-28",
sentiment: 0.65
}
];
const newsFeed = document.getElementById('newsFeed');
newsFeed.innerHTML = '';
mockNews.forEach(item => {
const sentimentColor = item.sentiment > 0.5 ? 'text-green-500' :
item.sentiment < -0.5 ? 'text-red-500' : 'text-yellow-500';
const sentimentIcon = item.sentiment > 0.5 ? 'trending-up' :
item.sentiment < -0.5 ? 'trending-down' : 'minus';
const newsItem = document.createElement('div');
newsItem.className = 'news-item bg-white dark:bg-gray-800 rounded-lg shadow p-4';
newsItem.innerHTML = `
<div class="flex justify-between items-start">
<div class="flex-1">
<h3 class="font-medium text-gray-800 dark:text-gray-200">${item.title}</h3>
<div class="flex items-center mt-2 text-sm text-gray-500 dark:text-gray-400">
<span>${item.source}</span>
<span class="mx-2">•</span>
<span>${item.date}</span>
</div>
</div>
<div class="flex items-center ml-4 ${sentimentColor}">
<i data-feather="${sentimentIcon}" class="w-5 h-5 mr-1"></i>
<span>${item.sentiment > 0 ? '+' : ''}${item.sentiment.toFixed(2)}</span>
</div>
</div>
`;
newsFeed.appendChild(newsItem);
});
feather.replace();
} catch (error) {
console.error('Error loading news feed:', error);
document.getElementById('newsFeed').innerHTML = `
<div class="text-center py-8 text-gray-500 dark:text-gray-400">
<i data-feather="alert-circle" class="w-12 h-12 mx-auto mb-4"></i>
<p>Failed to load news feed. Please try again later.</p>
</div>
`;
feather.replace();
}
}
function setupDarkModeToggle() {
const darkModeToggle = document.createElement('button');
darkModeToggle.className = 'flex items-center justify-center w-10 h-10 rounded-full bg-gray-200 dark:bg-gray-700 text-gray-700 dark:text-gray-200';
darkModeToggle.innerHTML = '<i data-feather="moon"></i>';
darkModeToggle.addEventListener('click', () => {
document.documentElement.classList.toggle('dark');
localStorage.setItem('darkMode', document.documentElement.classList.contains('dark'));
feather.replace(); |