printRunDiagnostics.ts
2.09 KB
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
/**
* 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 `...(start omitted, ${full.length - maxChars} chars)\n\n${full.slice(-maxChars)}`
}
const STORAGE_LAST_PRINT_DIAG = 'lastPrintRunDiagnostics'
const STORAGE_LAST_PRINT_DIAG_AT = 'lastPrintRunDiagnosticsAt'
/** 打印结束后写入 storage，Printer 页可查看最近一次任务时间线 */
export function persistPrintRunDiagnostics (): void {
try {
uni.setStorageSync(STORAGE_LAST_PRINT_DIAG, getPrintRunDiagnosticsText())
uni.setStorageSync(STORAGE_LAST_PRINT_DIAG_AT, String(Date.now()))
} catch (_) {}
}
export function getPersistedPrintRunDiagnostics (): string {
try {
return String(uni.getStorageSync(STORAGE_LAST_PRINT_DIAG) || '')
} catch (_) {
return ''
}
}
export function getPersistedPrintRunDiagnosticsAt (): number {
try {
return Number(uni.getStorageSync(STORAGE_LAST_PRINT_DIAG_AT) || 0) || 0
} catch (_) {
return 0
}
}