From dab12e37bcc98c4cfada513f7bfca8e040247315 Mon Sep 17 00:00:00 2001
From: mathuo <6710312+mathuo@users.noreply.github.com>
Date: Sat, 25 Mar 2023 14:31:18 +0000
Subject: [PATCH] feat: validation

---
 .../dockview-core/src/dockview/validation.ts  | 117 ++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 packages/dockview-core/src/dockview/validation.ts

diff --git a/packages/dockview-core/src/dockview/validation.ts b/packages/dockview-core/src/dockview/validation.ts
new file mode 100644
index 000000000..9de26e79a
--- /dev/null
+++ b/packages/dockview-core/src/dockview/validation.ts
@@ -0,0 +1,117 @@
+import { SerializedGridObject } from '../gridview/gridview';
+import { GroupPanelViewState } from './dockviewGroupPanelModel';
+import { GroupviewPanelState } from './types';
+import { Orientation } from '../splitview/splitview';
+import { SerializedDockview } from './dockviewComponent';
+
+function validateGroupViewPanelState(value: GroupviewPanelState): void {
+    if (typeof value.id !== 'string') {
+        throw new Error('invalid layout');
+    }
+
+    if (typeof value.title !== 'string') {
+        throw new Error('invalid layout');
+    }
+
+    if (value.params !== undefined && typeof value.params !== 'object') {
+        throw new Error('invalid layout');
+    }
+}
+
+function validateGroupPanelViewState(value: GroupPanelViewState): void {
+    if (typeof value.id !== 'string') {
+        throw new Error('invalid layout');
+    }
+    if (value.locked !== undefined && typeof value.locked !== 'boolean') {
+        throw new Error('invalid layout');
+    }
+    if (value.hideHeader !== undefined && typeof value.locked !== 'boolean') {
+        throw new Error('invalid layout');
+    }
+    if (
+        value.activeView !== undefined &&
+        typeof value.activeView !== 'string'
+    ) {
+        throw new Error('invalid layout');
+    }
+
+    if (!Array.isArray(value.views)) {
+        throw new Error('invalid layout');
+    }
+
+    for (const child of value.views) {
+        if (typeof child !== 'string') {
+            if (!Array.isArray(value.views)) {
+                throw new Error('invalid layout');
+            }
+        }
+    }
+}
+
+function validateSerializedGridObject(
+    value: SerializedGridObject<GroupPanelViewState>
+): void {
+    if (value.size !== undefined && typeof value.size !== 'number') {
+        throw new Error('invalid layout');
+    }
+
+    if (value.visible !== undefined && typeof value.size !== 'boolean') {
+        throw new Error('invalid layout');
+    }
+
+    if (value.type !== 'branch' && value.type !== 'leaf') {
+        throw new Error('invalid layout');
+    }
+
+    if (Array.isArray(value.data)) {
+        for (const child of value.data) {
+            validateSerializedGridObject(child);
+        }
+    } else {
+        validateGroupPanelViewState(value.data);
+    }
+}
+
+export function validateSerializedDockview(data: SerializedDockview): void {
+    if (typeof data !== 'object') {
+        throw new Error('invalid layout');
+    }
+
+    const { grid, panels, options, activeGroup } = data;
+
+    if (typeof grid !== 'object') {
+        throw new Error('invalid layout');
+    }
+
+    if (typeof grid.height !== 'number') {
+        throw new Error('invalid layout');
+    }
+
+    if (typeof grid.width !== 'number') {
+        throw new Error('invalid layout');
+    }
+
+    if (
+        grid.orientation !== Orientation.HORIZONTAL &&
+        grid.orientation !== Orientation.VERTICAL
+    ) {
+        throw new Error('invalid layout');
+    }
+
+    validateSerializedGridObject(grid.root);
+
+    if (
+        data.activeGroup !== undefined &&
+        typeof data.activeGroup !== 'string'
+    ) {
+        throw new Error('invalid layout');
+    }
+
+    if (typeof data.panels !== 'object') {
+        throw new Error('invalid layout');
+    }
+
+    for (const value of Object.values(data.panels)) {
+        validateGroupViewPanelState(value);
+    }
+}