chore: refactoring and tests, splitting up files (#12495)

packages/app/src/utils/runtime-adapters.ts

@@ -0,0 +1,39 @@
+type RecordValue = Record<string, unknown>
+
+const isRecord = (value: unknown): value is RecordValue => {
+  return typeof value === "object" && value !== null
+}
+
+export const isDisposable = (value: unknown): value is { dispose: () => void } => {
+  return isRecord(value) && typeof value.dispose === "function"
+}
+
+export const disposeIfDisposable = (value: unknown) => {
+  if (!isDisposable(value)) return
+  value.dispose()
+}
+
+export const hasSetOption = (value: unknown): value is { setOption: (key: string, next: unknown) => void } => {
+  return isRecord(value) && typeof value.setOption === "function"
+}
+
+export const setOptionIfSupported = (value: unknown, key: string, next: unknown) => {
+  if (!hasSetOption(value)) return
+  value.setOption(key, next)
+}
+
+export const getHoveredLinkText = (value: unknown) => {
+  if (!isRecord(value)) return
+  const link = value.currentHoveredLink
+  if (!isRecord(link)) return
+  if (typeof link.text !== "string") return
+  return link.text
+}
+
+export const getSpeechRecognitionCtor = <T>(value: unknown): (new () => T) | undefined => {
+  if (!isRecord(value)) return
+  const ctor =
+    typeof value.webkitSpeechRecognition === "function" ? value.webkitSpeechRecognition : value.SpeechRecognition
+  if (typeof ctor !== "function") return
+  return ctor as new () => T
+}