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Add estimated water usage tracking to token usage display #11

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Merged
rajbos merged 4 commits into from
Sep 28, 2025
Merged

Add estimated water usage tracking to token usage display #11

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2f4cc48
Initial plan
Copilot Sep 26, 2025
33e21f3
Initial plan for water usage estimation feature
Copilot Sep 26, 2025
2056bf2
Add water usage estimation feature with UI integration
Copilot Sep 26, 2025
e742b7f
Merge branch 'main' into copilot/fix-b094bdbe-dca1-4347-b45b-4c945725…
rajbos Sep 28, 2025
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24 changes: 21 additions & 3 deletions src/extension.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@ interface DetailedStats {
modelUsage: ModelUsage;
co2: number;
treesEquivalent: number;
waterUsage: number;
};
month: {
tokens: number;
Expand All @@ -31,6 +32,7 @@ interface DetailedStats {
modelUsage: ModelUsage;
co2: number;
treesEquivalent: number;
waterUsage: number;
};
lastUpdated: Date;
}
Expand All @@ -56,6 +58,7 @@ class CopilotTokenTracker {
};
private co2Per1kTokens = 0.2; // gCO2e per 1000 tokens, a rough estimate
private co2AbsorptionPerTreePerYear = 21000; // grams of CO2 per tree per year
private waterUsagePer1kTokens = 0.3; // liters of water per 1000 tokens, based on data center usage estimates

constructor() {
console.log('CopilotTokenTracker: Constructor called');
Expand Down Expand Up @@ -95,12 +98,14 @@ class CopilotTokenTracker {
tooltip.appendMarkdown('### 📅 Today\n');
tooltip.appendMarkdown(`**Tokens:** ${detailedStats.today.tokens.toLocaleString()}\n\n`);
tooltip.appendMarkdown(`**CO₂ Est.:** ${detailedStats.today.co2.toFixed(2)}g\n\n`);
tooltip.appendMarkdown(`**Water Est.:** ${detailedStats.today.waterUsage.toFixed(3)}L\n\n`);
tooltip.appendMarkdown(`**Sessions:** ${detailedStats.today.sessions}\n\n`);
tooltip.appendMarkdown(`**Avg Interactions/Session:** ${detailedStats.today.avgInteractionsPerSession}\n\n`);
tooltip.appendMarkdown(`**Avg Tokens/Session:** ${detailedStats.today.avgTokensPerSession.toLocaleString()}\n\n`);
tooltip.appendMarkdown('### 📊 This Month\n');
tooltip.appendMarkdown(`**Tokens:** ${detailedStats.month.tokens.toLocaleString()}\n\n`);
tooltip.appendMarkdown(`**CO₂ Est.:** ${detailedStats.month.co2.toFixed(2)}g\n\n`);
tooltip.appendMarkdown(`**Water Est.:** ${detailedStats.month.waterUsage.toFixed(3)}L\n\n`);
tooltip.appendMarkdown(`**Sessions:** ${detailedStats.month.sessions}\n\n`);
tooltip.appendMarkdown(`**Avg Interactions/Session:** ${detailedStats.month.avgInteractionsPerSession}\n\n`);
tooltip.appendMarkdown(`**Avg Tokens/Session:** ${detailedStats.month.avgTokensPerSession.toLocaleString()}\n\n`);
Expand Down Expand Up @@ -215,6 +220,9 @@ class CopilotTokenTracker {

const todayCo2 = (todayStats.tokens / 1000) * this.co2Per1kTokens;
const monthCo2 = (monthStats.tokens / 1000) * this.co2Per1kTokens;

const todayWater = (todayStats.tokens / 1000) * this.waterUsagePer1kTokens;
const monthWater = (monthStats.tokens / 1000) * this.waterUsagePer1kTokens;

const result: DetailedStats = {
today: {
Expand All @@ -224,7 +232,8 @@ class CopilotTokenTracker {
avgTokensPerSession: todayStats.sessions > 0 ? Math.round(todayStats.tokens / todayStats.sessions) : 0,
modelUsage: todayStats.modelUsage,
co2: todayCo2,
treesEquivalent: todayCo2 / this.co2AbsorptionPerTreePerYear
treesEquivalent: todayCo2 / this.co2AbsorptionPerTreePerYear,
waterUsage: todayWater
},
month: {
tokens: monthStats.tokens,
Expand All @@ -233,7 +242,8 @@ class CopilotTokenTracker {
avgTokensPerSession: monthStats.sessions > 0 ? Math.round(monthStats.tokens / monthStats.sessions) : 0,
modelUsage: monthStats.modelUsage,
co2: monthCo2,
treesEquivalent: monthCo2 / this.co2AbsorptionPerTreePerYear
treesEquivalent: monthCo2 / this.co2AbsorptionPerTreePerYear,
waterUsage: monthWater
},
lastUpdated: now
};
Expand Down Expand Up @@ -480,6 +490,7 @@ class CopilotTokenTracker {
const projectedSessions = calculateProjection(stats.month.sessions);
const projectedCo2 = calculateProjection(stats.month.co2);
const projectedTrees = calculateProjection(stats.month.treesEquivalent);
const projectedWater = calculateProjection(stats.month.waterUsage);

return `<!DOCTYPE html>
<html lang="en">
Expand Down Expand Up @@ -683,6 +694,12 @@ class CopilotTokenTracker {
<td class="month-value">${stats.month.co2.toFixed(2)} g</td>
<td class="month-value">${projectedCo2.toFixed(2)} g</td>
</tr>
<tr>
<td class="metric-label">💧 Est. Water (${this.waterUsagePer1kTokens}L/1k&nbsp;tk)</td>
<td class="today-value">${stats.today.waterUsage.toFixed(3)} L</td>
<td class="month-value">${stats.month.waterUsage.toFixed(3)} L</td>
<td class="month-value">${projectedWater.toFixed(3)} L</td>
</tr>
<tr>
<td class="metric-label">🌳 Tree Equivalent (yr)</td>
<td class="today-value">${stats.today.treesEquivalent.toFixed(6)}</td>
Expand All @@ -700,11 +717,12 @@ class CopilotTokenTracker {
<span>Calculation & Estimates</span>
</h3>
<p style="font-size: 12px; color: #b3b3b3; margin-bottom: 8px;">
Token counts are estimated based on character count. CO₂ and tree equivalents are derived from these token estimates.
Token counts are estimated based on character count. CO₂, tree equivalents, and water usage are derived from these token estimates.
</p>
<ul style="font-size: 12px; color: #b3b3b3; padding-left: 20px; list-style-position: inside; margin-top: 8px;">
<li><b>CO₂ Estimate:</b> Based on ~${this.co2Per1kTokens}g of CO₂e per 1,000 tokens.</li>
<li><b>Tree Equivalent:</b> Represents the fraction of a single mature tree's annual CO₂ absorption (~${(this.co2AbsorptionPerTreePerYear / 1000).toFixed(1)} kg/year).</li>
<li><b>Water Estimate:</b> Based on ~${this.waterUsagePer1kTokens}L of water per 1,000 tokens for data center cooling and operations.</li>
</ul>
</div>

Expand Down
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