Import AITURK IDE 1.0.0-beta.1 from Hermes 63279301; preserve MIT license

ui-tui/src/lib/termux.ts

@@ -0,0 +1,31 @@
+const TERMUX_PREFIX = '/data/data/com.termux/files/usr'
+
+const truthy = (value?: string) => /^(?:1|true|yes|on)$/i.test(String(value ?? '').trim())
+
+export const isTermuxEnv = (env: NodeJS.ProcessEnv = process.env): boolean => {
+  const prefix = String(env.PREFIX ?? '')
+
+  return Boolean(env.TERMUX_VERSION) || prefix.includes(TERMUX_PREFIX)
+}
+
+/**
+ * Return true when Hermes should enable Termux-focused TUI defaults.
+ *
+ * Defaults to on in Termux, with an explicit opt-out for debugging:
+ *   HERMES_TUI_TERMUX_MODE=0
+ */
+export const isTermuxTuiMode = (env: NodeJS.ProcessEnv = process.env): boolean => {
+  if (!isTermuxEnv(env)) {
+    return false
+  }
+
+  const override = String(env.HERMES_TUI_TERMUX_MODE ?? '')
+    .trim()
+    .toLowerCase()
+
+  if (override) {
+    return truthy(override)
+  }
+
+  return true
+}