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type LogcatRow = { timestamp?: string; level?: string; tag?: string; message?: string }

function isLogcatRow(value: unknown): value is LogcatRow {

return typeof value === 'object' && value !== null

}

export function formatLogcat(value: unknown): string {

const entries = Array.isArray(value) ? value.filter(isLogcatRow) : []

if (entries.length === 0) {

return 'No logcat output.'

}

return entries

.map((entry) => {

const prefix = [entry.timestamp, entry.level, entry.tag].filter(Boolean).join(' ')

if (!prefix) {

return entry.message ?? ''

}

return entry.message ? `${prefix}: ${entry.message}` : prefix

})

.join('\n')

}