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https://github.com/affaan-m/everything-claude-code.git
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f579dad768
Extract estimateCost() into scripts/lib/cost-estimate.js for reuse across cost-tracker and ecc-metrics-bridge hooks. Add scripts/lib/session-bridge.js with atomic bridge file I/O, session ID sanitization, and path traversal prevention.
33 lines
976 B
JavaScript
33 lines
976 B
JavaScript
'use strict';
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/**
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* Shared cost estimation for ECC hooks.
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*
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* Approximate per-1M-token blended rates (conservative defaults).
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*/
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const RATE_TABLE = {
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haiku: { in: 0.8, out: 4.0 },
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sonnet: { in: 3.0, out: 15.0 },
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opus: { in: 15.0, out: 75.0 }
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};
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/**
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* Estimate USD cost from token counts.
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* @param {string} model - Model name (may contain "haiku", "sonnet", or "opus")
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* @param {number} inputTokens
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* @param {number} outputTokens
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* @returns {number} Estimated cost in USD (rounded to 6 decimal places)
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*/
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function estimateCost(model, inputTokens, outputTokens) {
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const normalized = String(model || '').toLowerCase();
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let rates = RATE_TABLE.sonnet;
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if (normalized.includes('haiku')) rates = RATE_TABLE.haiku;
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if (normalized.includes('opus')) rates = RATE_TABLE.opus;
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const cost = (inputTokens / 1_000_000) * rates.in + (outputTokens / 1_000_000) * rates.out;
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return Math.round(cost * 1e6) / 1e6;
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}
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module.exports = { estimateCost, RATE_TABLE };
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