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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | 32x 32x 32x 32x 32x 18x 14x 1x 13x 1x 12x 32x 30x 32x 32x 762x 108x 9x | import chalk from 'chalk';
/**
* Output mode configuration based on terminal capabilities.
*/
export interface OutputMode {
/** Whether stdout is a TTY */
isTTY: boolean;
/** Whether colors are supported */
supportsColor: boolean;
/** Terminal width in columns */
columns: number;
}
/**
* Detect terminal capabilities.
* @param colorOverride - Optional override for color support (--color / --no-color)
*/
export function detectOutputMode(colorOverride?: boolean): OutputMode {
// Check both stderr and stdout for TTY - some environments have TTY on one but not the other
const streamIsTTY = (process.stderr.isTTY || process.stdout.isTTY) ?? false;
// Treat dumb terminals as non-TTY (e.g., TERM=dumb used by some editors/agents)
const term = process.env['TERM'] ?? '';
const isDumbTerminal = term === 'dumb' || term === '';
const isTTY = streamIsTTY && !isDumbTerminal;
// Determine color support
let supportsColor: boolean;
if (colorOverride !== undefined) {
supportsColor = colorOverride;
} else if (process.env['NO_COLOR']) {
supportsColor = false;
} else if (process.env['FORCE_COLOR']) {
supportsColor = true;
} else {
supportsColor = isTTY && chalk.level > 0;
}
// Configure chalk based on color support
if (!supportsColor) {
chalk.level = 0;
}
const columns = process.stderr.columns ?? process.stdout.columns ?? 80;
return {
isTTY,
supportsColor,
columns,
};
}
/**
* Get a timestamp for CI/non-TTY output.
*/
export function timestamp(): string {
return new Date().toISOString();
}
/**
* Log a timestamped action message to stderr.
* Used by action workflow steps (dedup, fix eval, stale resolution) for consistent output.
*/
export function logAction(message: string): void {
console.error(`[${timestamp()}] warden: ${message}`);
}
/**
* Log a timestamped warning to stderr.
*/
export function warnAction(message: string): void {
console.error(`[${timestamp()}] warden: WARN: ${message}`);
}
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