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import figures from 'figures';
import type { Severity, Confidence, Finding, FileChange, UsageStats, AuxiliaryUsageMap } from '../../types/index.js';
/**
* Capitalize the first letter of a string.
* @example capitalize('critical') // 'Critical'
*/
export function capitalize(str: string): string {
return str.charAt(0).toUpperCase() + str.slice(1);
}
/**
* Pluralize a word based on count.
* @example pluralize(1, 'file') // 'file'
* @example pluralize(2, 'file') // 'files'
* @example pluralize(1, 'fix', 'fixes') // 'fix'
* @example pluralize(2, 'fix', 'fixes') // 'fixes'
*/
export function pluralize(count: number, singular: string, plural?: string): string {
if (count === 1) return singular;
return plural ?? `${singular}s`;
}
/**
* Format a duration in milliseconds to a human-readable string.
* Under 1s: "50ms". Under 60s: "3.2s". Over 60s: "5m 3s".
*/
export function formatDuration(ms: number): string {
if (ms < 1000) {
return `${Math.round(ms)}ms`;
}
const totalSeconds = ms / 1000;
if (totalSeconds < 60) {
const formatted = totalSeconds.toFixed(1);
// toFixed(1) can round 59.95 to "60.0" — fall through to minutes format
if (formatted !== '60.0') {
return `${formatted}s`;
}
}
let minutes = Math.floor(totalSeconds / 60);
let seconds = Math.round(totalSeconds % 60);
if (seconds === 60) {
minutes += 1;
seconds = 0;
}
if (seconds === 0) {
return `${minutes}m`;
}
return `${minutes}m ${seconds}s`;
}
/**
* Format an elapsed time for display (e.g., "+0.8s", "+2m 3s").
*/
export function formatElapsed(ms: number): string {
return `+${formatDuration(ms)}`;
}
/**
* Format bytes into a compact human-readable size.
*/
export function formatBytes(bytes: number): string {
Iif (bytes < 1024) {
return `${bytes.toLocaleString()} B`;
}
const kb = bytes / 1024;
Eif (kb < 1024) {
return `${kb.toFixed(kb < 10 ? 1 : 0)} KB`;
}
const mb = kb / 1024;
return `${mb.toFixed(mb < 10 ? 1 : 0)} MB`;
}
/**
* Severity configuration for display.
*/
const SEVERITY_CONFIG: Record<Severity, { color: typeof chalk.red; symbol: string }> = {
high: { color: chalk.red, symbol: figures.bullet },
medium: { color: chalk.yellow, symbol: figures.bullet },
low: { color: chalk.green, symbol: figures.bullet },
};
/**
* Format a severity dot for terminal output.
*/
export function formatSeverityDot(severity: Severity): string {
const config = SEVERITY_CONFIG[severity];
return config.color(config.symbol);
}
/**
* Format a severity badge for terminal output (colored dot + severity text).
*/
export function formatSeverityBadge(severity: Severity): string {
const config = SEVERITY_CONFIG[severity];
return `${config.color(config.symbol)} ${config.color(`(${severity})`)}`;
}
/**
* Format a severity for plain text (CI mode).
*/
export function formatSeverityPlain(severity: Severity): string {
return `[${severity}]`;
}
/**
* Confidence configuration for display.
*/
const CONFIDENCE_CONFIG: Record<Confidence, { color: typeof chalk.dim }> = {
high: { color: chalk.green },
medium: { color: chalk.yellow },
low: { color: chalk.red },
};
/**
* Format a confidence badge for terminal output.
* Returns empty string if confidence is undefined.
*/
export function formatConfidenceBadge(confidence: Confidence | undefined): string {
if (!confidence) return '';
const config = CONFIDENCE_CONFIG[confidence];
return config.color(`[${confidence} confidence]`);
}
/**
* Format a file location string.
*/
export function formatLocation(path: string, startLine?: number, endLine?: number): string {
if (!startLine) {
return path;
}
if (endLine && endLine !== startLine) {
return `${path}:${startLine}-${endLine}`;
}
return `${path}:${startLine}`;
}
/**
* Format a finding for terminal display.
*/
export function formatFindingCompact(finding: Finding): string {
const badge = formatSeverityBadge(finding.severity);
const id = chalk.dim(`[${finding.id}]`);
const location = finding.location
? chalk.dim(formatLocation(finding.location.path, finding.location.startLine, finding.location.endLine))
: '';
return `${badge} ${id} ${finding.title}${location ? ` ${location}` : ''}`;
}
/**
* Format finding counts for display (with colored dots).
*/
export function formatFindingCounts(counts: Record<Severity, number>): string {
const total = Object.values(counts).reduce((a, b) => a + b, 0);
if (total === 0) {
return chalk.green('No findings');
}
const parts: string[] = [];
if (counts.high > 0) parts.push(`${formatSeverityDot('high')} ${counts.high} high`);
if (counts.medium > 0) parts.push(`${formatSeverityDot('medium')} ${counts.medium} medium`);
Iif (counts.low > 0) parts.push(`${formatSeverityDot('low')} ${counts.low} low`);
return `${total} finding${total === 1 ? '' : 's'}: ${parts.join(' ')}`;
}
/**
* Format finding counts for plain text.
*/
export function formatFindingCountsPlain(counts: Record<Severity, number>): string {
const total = Object.values(counts).reduce((a, b) => a + b, 0);
if (total === 0) {
return 'No findings';
}
const parts: string[] = [];
if (counts.high > 0) parts.push(`${counts.high} high`);
if (counts.medium > 0) parts.push(`${counts.medium} medium`);
if (counts.low > 0) parts.push(`${counts.low} low`);
return `${total} finding${total === 1 ? '' : 's'} (${parts.join(', ')})`;
}
/**
* Format a progress indicator like [1/3].
*/
export function formatProgress(current: number, total: number): string {
return chalk.dim(`[${current}/${total}]`);
}
/**
* Format file change summary.
*/
export function formatFileStats(files: FileChange[]): string {
const added = files.filter((f) => f.status === 'added').length;
const modified = files.filter((f) => f.status === 'modified').length;
const removed = files.filter((f) => f.status === 'removed').length;
const parts: string[] = [];
if (added > 0) parts.push(chalk.green(`+${added}`));
if (modified > 0) parts.push(chalk.yellow(`~${modified}`));
if (removed > 0) parts.push(chalk.red(`-${removed}`));
return parts.length > 0 ? parts.join(' ') : '';
}
/**
* Truncate a string to fit within a width, adding ellipsis if needed.
*/
export function truncate(str: string, maxWidth: number): string {
if (str.length <= maxWidth) {
return str;
}
if (maxWidth <= 3) {
return str.slice(0, maxWidth);
}
return str.slice(0, maxWidth - 1) + figures.ellipsis;
}
/**
* Pad a string on the right to reach a certain width.
*/
export function padRight(str: string, width: number): string {
if (str.length >= width) {
return str;
}
return str + ' '.repeat(width - str.length);
}
/**
* Count findings by severity.
*/
export function countBySeverity(findings: Finding[]): Record<Severity, number> {
const counts: Record<Severity, number> = {
high: 0,
medium: 0,
low: 0,
};
for (const finding of findings) {
counts[finding.severity]++;
}
return counts;
}
/**
* Format a USD cost for display.
*/
export function formatCost(costUSD: number): string {
return `$${costUSD.toFixed(2)}`;
}
/**
* Calculate total cost across primary and auxiliary usage.
*/
export function totalUsageCost(usage?: UsageStats, auxiliaryUsage?: AuxiliaryUsageMap): number | undefined {
const hasAuxiliaryUsage = auxiliaryUsage !== undefined && Object.keys(auxiliaryUsage).length > 0;
if (!usage && !hasAuxiliaryUsage) return undefined;
return (usage?.costUSD ?? 0) + (auxiliaryUsage ? totalAuxiliaryCost(auxiliaryUsage) : 0);
}
/**
* Format token counts for display.
*/
export function formatTokens(tokens: number): string {
Iif (tokens >= 1_000_000) {
return `${(tokens / 1_000_000).toFixed(1)}M`;
}
if (tokens >= 1_000) {
return `${(tokens / 1_000).toFixed(1)}k`;
}
return String(tokens);
}
/**
* Format usage stats for terminal display.
*/
export function formatUsage(usage: UsageStats, auxiliaryUsage?: AuxiliaryUsageMap): string {
const inputStr = formatTokens(usage.inputTokens);
const outputStr = formatTokens(usage.outputTokens);
const costStr = formatCost(totalUsageCost(usage, auxiliaryUsage) ?? 0);
return `${inputStr} in / ${outputStr} out · ${costStr}`;
}
/**
* Format usage stats for plain text display.
*/
export function formatUsagePlain(usage: UsageStats, auxiliaryUsage?: AuxiliaryUsageMap): string {
const inputStr = formatTokens(usage.inputTokens);
const outputStr = formatTokens(usage.outputTokens);
const costStr = formatCost(totalUsageCost(usage, auxiliaryUsage) ?? 0);
return `${inputStr} input, ${outputStr} output, ${costStr}`;
}
/**
* Calculate total auxiliary cost from an AuxiliaryUsageMap.
*/
export function totalAuxiliaryCost(auxiliaryUsage: AuxiliaryUsageMap): number {
return Object.values(auxiliaryUsage).reduce((sum, u) => sum + u.costUSD, 0);
}
/**
* Format stats (duration, tokens, cost) into a compact single-line format.
* Used for markdown footers in PR comments and check annotations.
*
* When auxiliaryUsage is provided, the cost shown is primary + auxiliary total,
* with a breakdown suffix showing per-agent auxiliary costs.
*
* @example formatStatsCompact(15800, { inputTokens: 3000, outputTokens: 680, costUSD: 0.0048 })
* // Returns: "⏱ 15.8s · 3.0k in / 680 out · $0.00"
*
* @example formatStatsCompact(15800, usage, { extraction: { ... costUSD: 0.001 } })
* // Returns: "⏱ 15.8s · 3.0k in / 680 out · $0.01 (+extraction: $0.00)"
*/
export function formatStatsCompact(durationMs?: number, usage?: UsageStats, auxiliaryUsage?: AuxiliaryUsageMap): string {
const parts: string[] = [];
if (durationMs !== undefined) {
parts.push(`⏱ ${formatDuration(durationMs)}`);
}
if (usage) {
parts.push(`${formatTokens(usage.inputTokens)} in / ${formatTokens(usage.outputTokens)} out`);
const costStr = formatCost(totalUsageCost(usage, auxiliaryUsage) ?? 0);
parts.push(`${costStr}`);
}
return parts.join(' · ');
}
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