From dd861b201757e34a64978a5b60e732f663100f37 Mon Sep 17 00:00:00 2001
From: inter <inter@qq.com>
Date: Mon, 8 Sep 2025 16:37:42 +0800
Subject: [PATCH] Add File

---
 frontend/src/utils/canvas.ts | 53 ++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 frontend/src/utils/canvas.ts

diff --git a/frontend/src/utils/canvas.ts b/frontend/src/utils/canvas.ts
new file mode 100644
index 0000000..5e74f96
--- /dev/null
+++ b/frontend/src/utils/canvas.ts
@@ -0,0 +1,53 @@
+// @ts-expect-error eslint-disable-next-line @typescript-eslint/ban-ts-comment
+import SnowflakeID from 'snowflake-id'
+
+const snowflake = new SnowflakeID({
+  mid: 42,
+  offset: (2010 - 1970) * 365 * 24 * 3600 * 1000,
+})
+
+export const guid = (prefix?: string) => {
+  if (prefix) {
+    return `${prefix}_${snowflake.generate()}`
+  } else {
+    return snowflake.generate()
+  }
+}
+
+export interface CanvasItem {
+  _dragId: string | number
+  x: number
+  y: number
+  sizeX: number
+  sizeY: number
+
+  [key: string]: any
+}
+
+export type CanvasCoord = {
+  x1: number
+  y1: number
+  x2: number
+  y2: number
+  c1: number
+  c2: number
+  el: {
+    x: number
+    y: number
+    sizeX: number
+    sizeY: number
+    _dragId: string | number
+    [key: string]: any
+  }
+}
+
+export type DashboardInfo = {
+  dataState: string
+  optType: string
+  id: number
+  name: string
+  pid: number
+  status: number
+  type: string
+  mobileLayout: boolean
+}