Initial commit: OpenTerminal v0.1.0

Open-source terminal app (local + SSH): split panes, themes, SFTP,
server monitoring, broadcast input, ZMODEM, system tray, single instance.
Electron + React + TypeScript. MIT License.

src/main/layouts.ts

@@ -0,0 +1,61 @@
+import { app } from 'electron'
+import { mkdirSync, readFileSync, readdirSync, rmSync, writeFileSync } from 'fs'
+import { join } from 'path'
+import type { LayoutMeta } from '../shared/ipc'
+
+const layoutsDir = (): string => {
+  const dir = join(app.getPath('userData'), 'layouts')
+  mkdirSync(dir, { recursive: true })
+  return dir
+}
+
+function layoutPath(id: string): string {
+  return join(layoutsDir(), `${id}.json`)
+}
+
+interface LayoutFile {
+  id: string
+  name: string
+  createdAt: number
+  json: string
+}
+
+export function listLayouts(): LayoutMeta[] {
+  const dir = layoutsDir()
+  const metas: LayoutMeta[] = []
+  for (const entry of readdirSync(dir)) {
+    if (!entry.endsWith('.json')) continue
+    try {
+      const file = JSON.parse(readFileSync(join(dir, entry), 'utf8')) as Partial<LayoutFile>
+      const id = typeof file.id === 'string' ? file.id : entry.slice(0, -'.json'.length)
+      const name = typeof file.name === 'string' ? file.name : id
+      const createdAt = typeof file.createdAt === 'number' ? file.createdAt : 0
+      metas.push({ id, name, createdAt })
+    } catch {
+      // skip corrupted file
+    }
+  }
+  return metas.sort((a, b) => b.createdAt - a.createdAt)
+}
+
+export function getLayout(id: string): string | null {
+  try {
+    const file = JSON.parse(readFileSync(layoutPath(id), 'utf8')) as Partial<LayoutFile>
+    return typeof file.json === 'string' ? file.json : null
+  } catch {
+    return null
+  }
+}
+
+export function saveLayout(meta: LayoutMeta, json: string): void {
+  const file: LayoutFile = { id: meta.id, name: meta.name, createdAt: meta.createdAt, json }
+  writeFileSync(layoutPath(meta.id), JSON.stringify(file, null, 2), 'utf8')
+}
+
+export function deleteLayout(id: string): void {
+  try {
+    rmSync(layoutPath(id))
+  } catch (err) {
+    if ((err as NodeJS.ErrnoException).code !== 'ENOENT') throw err
+  }
+}