printRunDiagnostics.ts
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/**
* 单次「点击打印」任务的时间线（仅 JS，不依赖改 AAR）。
* Logcat 搜关键词: [print-diag]
* 预览页打印中可点「Log」弹窗整段复制截图。
*/
let t0 = 0
const lines: string[] = []
const MAX_LINES = 120
export function startPrintRunDiagnostics (): void {
t0 = Date.now()
lines.length = 0
printRunDiag('session_start')
}
export function printRunDiag (msg: string, extra?: Record<string, string | number | boolean | undefined>): void {
const dt = Date.now() - t0
let s = `[+${dt}ms] ${msg}`
if (extra && Object.keys(extra).length) {
s += ` | ${Object.entries(extra)
.filter(([, v]) => v !== undefined && v !== '')
.map(([k, v]) => `${k}=${String(v)}`)
.join(' ')}`
}
lines.push(s)
if (lines.length > MAX_LINES) {
lines.splice(0, lines.length - MAX_LINES)
}
try {
console.warn('[print-diag]', s)
} catch (_) {}
}
export function getPrintRunDiagnosticsText (): string {
return lines.join('\n')
}
/** 弹窗安全长度（避免部分机型 showModal 截断过长无提示） */
export function getPrintRunDiagnosticsTextForModal (maxChars = 3800): string {
const full = getPrintRunDiagnosticsText()
if (full.length <= maxChars) return full
return `...(省略开头 ${full.length - maxChars} 字)\n\n${full.slice(-maxChars)}`
}