357 lines
17 KiB
TypeScript
357 lines
17 KiB
TypeScript
import { register } from "../engine/registry";
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import { RuntimeError, type CapabilityHandler } from "../engine/types";
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import { powershell, psString } from "./desktop";
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interface UiaSelector {
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window?: string;
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name?: string;
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id?: string;
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type?: string;
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className?: string;
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index: number;
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}
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export function parseUiaSelector(raw: unknown): UiaSelector {
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let text = "";
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if (raw && typeof raw === "object") {
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const record = raw as Record<string, unknown>;
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if (typeof record.value === "string") text = record.value;
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else if (typeof record.selector === "string") text = record.selector;
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else if (record.commonProps && typeof record.commonProps === "object") {
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const common = record.commonProps as Record<string, unknown>;
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if (typeof common.uiSelector === "string") text = common.uiSelector;
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}
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} else if (raw !== undefined && raw !== null) {
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text = String(raw);
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}
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text = text.trim();
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if (!text) {
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throw new RuntimeError("validation_error", "桌面元素选择器为空", { recommendation: "使用 name=元素名称 或 id=AutomationId;window=窗口名称" });
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}
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if (text.startsWith("uia:")) text = text.slice(4);
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const selector: UiaSelector = { index: 1 };
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for (const part of text.split(";")) {
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const eq = part.indexOf("=");
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if (eq <= 0) continue;
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const key = part.slice(0, eq).trim().toLowerCase();
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const value = part.slice(eq + 1).trim();
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if (!value) continue;
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if (key === "window" || key === "win") selector.window = value;
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else if (key === "name" || key === "n") selector.name = value;
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else if (key === "id" || key === "automationid") selector.id = value;
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else if (key === "type" || key === "controltype") selector.type = value.charAt(0).toUpperCase() + value.slice(1).toLowerCase();
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else if (key === "class" || key === "classname") selector.className = value;
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else if (key === "index") {
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const n = Number(value);
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if (Number.isFinite(n) && n >= 1) selector.index = Math.floor(n);
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}
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}
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if (!selector.name && !selector.id && !selector.className && !selector.type) {
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throw new RuntimeError("validation_error", `桌面元素选择器缺少定位条件：${text}`, { recommendation: "至少提供 name= / id= / type= 之一" });
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}
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return selector;
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}
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const UIA_USING = "Add-Type -AssemblyName UIAutomationClient, UIAutomationTypes;";
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const FIND_HELPER = `
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function Find-RpaWindow([string]$winName) {
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$root = [System.Windows.Automation.AutomationElement]::RootElement
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if (-not $winName) { return $root }
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$cond = New-Object System.Windows.Automation.PropertyCondition([System.Windows.Automation.AutomationElement]::NameProperty, $winName)
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$win = $root.FindFirst([System.Windows.Automation.TreeScope]::Children, $cond)
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if ($win) { return $win }
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Add-RpaUser32
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$script:hitHwnd = [IntPtr]::Zero
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$cb = [WinRpa.RpaUser32Click+EnumProc]{ param($h, $l)
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$sb = New-Object System.Text.StringBuilder 256
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[WinRpa.RpaUser32Click]::GetWindowTextW($h, $sb, 256) | Out-Null
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if ($sb.ToString() -eq $winName) { $script:hitHwnd = $h; return $false }
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return $true
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}
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[WinRpa.RpaUser32Click]::EnumWindows($cb, [IntPtr]::Zero) | Out-Null
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if ($script:hitHwnd -ne [IntPtr]::Zero) {
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[WinRpa.RpaUser32Click]::ShowWindow($script:hitHwnd, 9) | Out-Null
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Start-Sleep -Milliseconds 500
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$sw2 = [WinRpa.RpaUser32Click]::GetSystemMetrics(0)
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$sh2 = [WinRpa.RpaUser32Click]::GetSystemMetrics(1)
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$w2 = [Math]::Min(1400, $sw2 - 120)
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$h2 = [Math]::Min(820, $sh2 - 120)
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[WinRpa.RpaUser32Click]::SetWindowPos($script:hitHwnd, [IntPtr]::Zero, 60, 60, $w2, $h2, 0x0040) | Out-Null
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Start-Sleep -Milliseconds 600
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$win = $root.FindFirst([System.Windows.Automation.TreeScope]::Children, $cond)
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if ($win) { return $win }
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}
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throw "window_not_found:$winName"
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}
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function Find-RpaElement($parent, [string]$name, [string]$id, [string]$type, [string]$className, [int]$index) {
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$conds = @()
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if ($name) { $conds += New-Object System.Windows.Automation.PropertyCondition([System.Windows.Automation.AutomationElement]::NameProperty, $name) }
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if ($id) { $conds += New-Object System.Windows.Automation.PropertyCondition([System.Windows.Automation.AutomationElement]::AutomationIdProperty, $id) }
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if ($className) { $conds += New-Object System.Windows.Automation.PropertyCondition([System.Windows.Automation.AutomationElement]::ClassNameProperty, $className) }
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if ($type) {
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try { $field = [System.Windows.Automation.ControlType].GetField($type); if ($field) { $conds += New-Object System.Windows.Automation.PropertyCondition([System.Windows.Automation.AutomationElement]::ControlTypeProperty, $field.GetValue($null)) } } catch {}
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if ($ct) { $conds += New-Object System.Windows.Automation.PropertyCondition([System.Windows.Automation.AutomationElement]::ControlTypeProperty, $ct) }
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}
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if ($conds.Count -eq 0) { throw "no_condition" }
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$final = if ($conds.Count -eq 1) { $conds[0] } else { New-Object System.Windows.Automation.AndCondition($conds) }
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$all = $parent.FindAll([System.Windows.Automation.TreeScope]::Descendants, $final)
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if ($all.Count -eq 0) { return $null }
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$pick = [Math]::Min([Math]::Max($index, 1), $all.Count)
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return $all[$pick - 1]
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}
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function Add-RpaUser32 {
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Add-Type -MemberDefinition '[DllImport("user32.dll")] public static extern bool SetCursorPos(int X, int Y); [DllImport("user32.dll")] public static extern void mouse_event(uint flags, uint dx, uint dy, uint data, UIntPtr extra); [DllImport("user32.dll")] public static extern bool SetForegroundWindow(IntPtr hWnd); [DllImport("user32.dll")] public static extern IntPtr GetForegroundWindow(); [DllImport("user32.dll")] public static extern bool ShowWindow(IntPtr hWnd, int nCmdShow); [DllImport("user32.dll")] public static extern bool SetWindowPos(IntPtr hWnd, IntPtr after, int X, int Y, int cx, int cy, uint flags); [DllImport("user32.dll")] public static extern bool AttachThreadInput(uint idAttach, uint idAttachTo, bool fAttach); [DllImport("user32.dll")] public static extern uint GetWindowThreadProcessId(IntPtr hWnd, out uint processId); [DllImport("kernel32.dll")] public static extern uint GetCurrentThreadId(); [DllImport("user32.dll")] public static extern int GetSystemMetrics(int nIndex); [DllImport("user32.dll")] public static extern bool EnumWindows(EnumProc cb, IntPtr lp); public delegate bool EnumProc(IntPtr hWnd, IntPtr lp); [DllImport("user32.dll", CharSet = CharSet.Unicode)] public static extern int GetWindowTextW(IntPtr hWnd, System.Text.StringBuilder sb, int max);' -Name RpaUser32Click -Namespace Win32Rpa | Out-Null
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}
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`;
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interface UiaTarget {
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selector: UiaSelector;
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args: Record<string, unknown>;
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node: { id: string; componentId: string };
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}
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function target(args: Record<string, unknown>, node: { id: string; componentId: string }): UiaTarget {
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const raw = args.uiSelector ?? args.target ?? args.selector;
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return { selector: parseUiaSelector(raw), args, node };
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}
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function findScript(t: UiaTarget, timeoutMs: number, gapMs: number): string {
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const s = t.selector;
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return `${UIA_USING}
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${FIND_HELPER}
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$deadline = [DateTime]::UtcNow.AddMilliseconds(${Math.max(0, Math.round(timeoutMs))})
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$found = $null
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while ($null -eq $found) {
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try {
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$parent = Find-RpaWindow ${psString(s.window ?? "")}
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$found = Find-RpaElement $parent ${psString(s.name ?? "")} ${psString(s.id ?? "")} ${psString(s.type ?? "")} ${psString(s.className ?? "")} ${s.index}
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} catch {
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$err = $_.Exception.Message
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if ($err -like "window_not_found:*") { $found = $null }
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}
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if ($null -eq $found -and [DateTime]::UtcNow -ge $deadline) { break }
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if ($null -eq $found) { Start-Sleep -Milliseconds ${Math.max(50, Math.round(gapMs))} }
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}
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if ($null -eq $found) { Write-Output "JSON_NOT_FOUND" } else {
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$rect = $found.Current.BoundingRectangle
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$info = @{ found = $true; name = $found.Current.Name; id = $found.Current.AutomationId; type = $found.Current.ControlType.ProgrammaticName; enabled = $found.Current.IsEnabled; x = [int]$rect.X; y = [int]$rect.Y; w = [int]$rect.Width; h = [int]$rect.Height }
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Write-Output ($info | ConvertTo-Json -Compress)
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}`;
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}
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async function findElement(t: UiaTarget, timeoutMs = 5000, gapMs = 200): Promise<Record<string, unknown> | null> {
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const out = await powershell(findScript(t, timeoutMs, gapMs), Math.max(30000, timeoutMs + 30000));
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const line = out.split(/\r?\n/).filter(Boolean).pop() || "";
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if (line.includes("JSON_NOT_FOUND")) return null;
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try {
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return JSON.parse(line);
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} catch {
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throw new RuntimeError("desktop_command_failed", `桌面元素查找输出异常：${out.slice(0, 200)}`, { nodeId: t.node.id, componentId: t.node.componentId });
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}
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}
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function clickScript(t: UiaTarget): string {
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const s = t.selector;
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const clickway = String(t.args.clickway ?? "0");
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const doubleClick = clickway === "1" || /double/i.test(clickway);
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return `${UIA_USING}
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${FIND_HELPER}
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$el = $null
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try {
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$parent = Find-RpaWindow ${psString(s.window ?? "")}
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$el = Find-RpaElement $parent ${psString(s.name ?? "")} ${psString(s.id ?? "")} ${psString(s.type ?? "")} ${psString(s.className ?? "")} ${s.index}
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} catch { $el = $null }
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if ($null -eq $el) { Write-Output "JSON_NOT_FOUND"; exit 0 }
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$rect = $el.Current.BoundingRectangle
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$offscreen = $el.Current.IsOffscreen -or $rect.Width -le 0 -or $rect.Height -le 0
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$method = "coordinate_click"
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$ok = $false
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if (-not $offscreen) {
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Add-RpaUser32
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$walker = [System.Windows.Automation.TreeWalker]::ControlViewWalker
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$ancestor = $el
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$hwnd = [IntPtr]::Zero
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while ($null -ne $ancestor) {
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$h = $ancestor.Current.NativeWindowHandle
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if ($h -ne 0) { $hwnd = [IntPtr]$h; break }
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$ancestor = $walker.GetParent($ancestor)
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}
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if ($hwnd -ne [IntPtr]::Zero) {
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$fgHwnd = [WinRpa.RpaUser32Click]::GetForegroundWindow()
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if ($fgHwnd -ne $hwnd) {
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$fgPid = [uint32]0
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$fgThread = [WinRpa.RpaUser32Click]::GetWindowThreadProcessId($fgHwnd, [ref]$fgPid)
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$thisThread = [WinRpa.RpaUser32Click]::GetCurrentThreadId()
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[WinRpa.RpaUser32Click]::AttachThreadInput($thisThread, $fgThread, $true) | Out-Null
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[WinRpa.RpaUser32Click]::SetForegroundWindow($hwnd) | Out-Null
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[WinRpa.RpaUser32Click]::AttachThreadInput($thisThread, $fgThread, $false) | Out-Null
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}
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Start-Sleep -Milliseconds 250
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}
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$x = [int]($rect.X + $rect.Width / 2)
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$y = [int]($rect.Y + $rect.Height / 2)
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[WinRpa.RpaUser32Click]::SetCursorPos($x, $y) | Out-Null
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Start-Sleep -Milliseconds 120
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[WinRpa.RpaUser32Click]::mouse_event(0x0002,0,0,0,[UIntPtr]::Zero)
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Start-Sleep -Milliseconds 40
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[WinRpa.RpaUser32Click]::mouse_event(0x0004,0,0,0,[UIntPtr]::Zero)
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if (${doubleClick}) {
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Start-Sleep -Milliseconds 60
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[WinRpa.RpaUser32Click]::mouse_event(0x0002,0,0,0,[UIntPtr]::Zero)
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Start-Sleep -Milliseconds 40
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[WinRpa.RpaUser32Click]::mouse_event(0x0004,0,0,0,[UIntPtr]::Zero)
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}
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$ok = $true
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} else {
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$method = "invoke_pattern"
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foreach ($entry in @(@("Invoke", [System.Windows.Automation.InvokePattern]::Pattern), @("Toggle", [System.Windows.Automation.TogglePattern]::Pattern), @("Expand", [System.Windows.Automation.ExpandCollapsePattern]::Pattern), @("Select", [System.Windows.Automation.SelectionItemPattern]::Pattern))) {
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try {
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$p = $el.GetCurrentPattern($entry[1])
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switch ($entry[0]) {
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"Invoke" { $p.Invoke(); $ok = $true }
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"Toggle" { $p.Toggle(); $ok = $true }
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"Expand" { $p.Expand(); $ok = $true }
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"Select" { $p.Select(); $ok = $true }
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}
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if ($ok) { break }
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} catch {}
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}
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}
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$rect2 = $el.Current.BoundingRectangle
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Write-Output (@{ clicked = $ok; method = $method; name = $el.Current.Name; x = [int]$rect2.X; y = [int]$rect2.Y; w = [int]$rect2.Width; h = [int]$rect2.Height } | ConvertTo-Json -Compress)`;
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}
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function setValueScript(t: UiaTarget, value: string): string {
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const s = t.selector;
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return `${UIA_USING}
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${FIND_HELPER}
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try {
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$parent = Find-RpaWindow ${psString(s.window ?? "")}
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$el = Find-RpaElement $parent ${psString(s.name ?? "")} ${psString(s.id ?? "")} ${psString(s.type ?? "")} ${psString(s.className ?? "")} ${s.index}
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if ($null -eq $el) { Write-Output "JSON_NOT_FOUND"; exit 0 }
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$value = ${psString(value)}
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$method = "value_pattern"
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$ok = $false
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try {
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$vp = $el.GetCurrentPattern([System.Windows.Automation.ValuePattern]::Pattern)
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$vp.SetValue($value)
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$ok = $true
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} catch {
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$method = "clipboard_paste"
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Add-Type -AssemblyName System.Windows.Forms
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$saved = $null
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try { $saved = [System.Windows.Forms.Clipboard]::GetText() } catch {}
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try { $el.SetFocus() } catch {}
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Start-Sleep -Milliseconds 150
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try { [System.Windows.Forms.Clipboard]::SetText($value) } catch {}
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Start-Sleep -Milliseconds 80
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[System.Windows.Forms.SendKeys]::SendWait("^a")
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Start-Sleep -Milliseconds 60
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[System.Windows.Forms.SendKeys]::SendWait("^v")
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Start-Sleep -Milliseconds 300
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$ok = $true
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try {
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if ($saved) { [System.Windows.Forms.Clipboard]::SetText($saved) }
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elseif ($saved -ne $null) { [System.Windows.Forms.Clipboard]::Clear() }
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} catch {}
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}
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Write-Output (@{ set = $ok; method = $method; name = $el.Current.Name } | ConvertTo-Json -Compress)`;
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}
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function getValueScript(t: UiaTarget): string {
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const s = t.selector;
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return `${UIA_USING}
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${FIND_HELPER}
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try {
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$parent = Find-RpaWindow ${psString(s.window ?? "")}
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$el = Find-RpaElement $parent ${psString(s.name ?? "")} ${psString(s.id ?? "")} ${psString(s.type ?? "")} ${psString(s.className ?? "")} ${s.index}
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if ($null -eq $el) { Write-Output "JSON_NOT_FOUND"; exit 0 }
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$value = $el.Current.Name
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try { $vp = $el.GetCurrentPattern([System.Windows.Automation.ValuePattern]::Pattern); $value = $vp.Value } catch {}
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Write-Output (@{ value = $value; name = $el.Current.Name } | ConvertTo-Json -Compress)`;
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}
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async function runScript(script: string, t: UiaTarget, timeoutMs = 60000): Promise<Record<string, unknown> | null> {
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const out = await powershell(script, timeoutMs);
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const line = out.split(/\r?\n/).filter(Boolean).pop() || "";
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if (line.includes("JSON_NOT_FOUND")) return null;
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try {
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return JSON.parse(line);
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} catch {
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throw new RuntimeError("desktop_command_failed", `桌面元素操作输出异常：${out.slice(0, 200)}`, { nodeId: t.node.id, componentId: t.node.componentId });
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}
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}
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function sleepMs(ms: number): Promise<void> {
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return new Promise((resolve) => setTimeout(resolve, ms));
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}
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async function runWithImplicitWait(
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t: UiaTarget,
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action: string,
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script: string,
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exec: (script: string, t: UiaTarget, timeoutMs?: number) => Promise<Record<string, unknown> | null>,
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args: Record<string, unknown>
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): Promise<Record<string, unknown>> {
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const waitMs = Number(args.waitMs ?? args.wait_ms ?? 4000) || 4000;
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const deadline = Date.now() + Math.max(0, waitMs);
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for (;;) {
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try {
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return requireFound(await exec(script, t), t, action);
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} catch (error) {
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const code = (error as { code?: string }).code;
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if (code !== "desktop_element_not_found" || Date.now() >= deadline) throw error;
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await sleepMs(400);
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}
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}
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}
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function requireFound(result: Record<string, unknown> | null, t: UiaTarget, action: string): Record<string, unknown> {
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if (!result) {
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const s = t.selector;
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throw new RuntimeError("desktop_element_not_found", `桌面元素未找到（${action}）：${JSON.stringify({ window: s.window, name: s.name, id: s.id, type: s.type, className: s.className, index: s.index })}。若指定了窗口，请确认应用已启动且主窗口未最小化到托盘`, { nodeId: t.node.id, componentId: t.node.componentId });
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}
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return result;
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}
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const clickGround: CapabilityHandler = async (_ctx, node, args) => {
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const t = target(args, node);
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return runWithImplicitWait(t, "click", clickScript(t), runScript, args);
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};
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const setValueGround: CapabilityHandler = async (_ctx, node, args) => {
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const t = target(args, node);
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const value = String(args.value ?? args.text ?? "");
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return runWithImplicitWait(t, "setValue", setValueScript(t, value), runScript, args);
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};
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const existsGround: CapabilityHandler = async (_ctx, node, args) => {
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const t = target(args, node);
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const found = await findElement(t, 1000, 150);
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return found !== null;
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};
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const getValueGround: CapabilityHandler = async (_ctx, node, args) => {
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const t = target(args, node);
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const result = await runWithImplicitWait(t, "getValue", getValueScript(t), runScript, args);
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return result.value ?? "";
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};
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const waitElementGround: CapabilityHandler = async (_ctx, node, args) => {
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const t = target(args, node);
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const timeout = Number(args.timeout ?? args.timeoutMs ?? 5000) || 5000;
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const gap = Number(args.time_gap ?? args.gapMs ?? 200) || 200;
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const found = await findElement(t, timeout, gap);
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return found !== null;
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};
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register("Element_ClickGround", clickGround);
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register("Element_SetValueGround", setValueGround);
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register("Element_ExistsGround", existsGround);
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register("Element_GetValueGround", getValueGround);
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register("Element_WaitElementGround", waitElementGround);
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