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

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

@@ -0,0 +1,62 @@
+import { describe, expect, test } from "bun:test"
+import {
+  disposeIfDisposable,
+  getHoveredLinkText,
+  getSpeechRecognitionCtor,
+  hasSetOption,
+  isDisposable,
+  setOptionIfSupported,
+} from "./runtime-adapters"
+
+describe("runtime adapters", () => {
+  test("detects and disposes disposable values", () => {
+    let count = 0
+    const value = {
+      dispose: () => {
+        count += 1
+      },
+    }
+    expect(isDisposable(value)).toBe(true)
+    disposeIfDisposable(value)
+    expect(count).toBe(1)
+  })
+
+  test("ignores non-disposable values", () => {
+    expect(isDisposable({ dispose: "nope" })).toBe(false)
+    expect(() => disposeIfDisposable({ dispose: "nope" })).not.toThrow()
+  })
+
+  test("sets options only when setter exists", () => {
+    const calls: Array<[string, unknown]> = []
+    const value = {
+      setOption: (key: string, next: unknown) => {
+        calls.push([key, next])
+      },
+    }
+    expect(hasSetOption(value)).toBe(true)
+    setOptionIfSupported(value, "fontFamily", "Berkeley Mono")
+    expect(calls).toEqual([["fontFamily", "Berkeley Mono"]])
+    expect(() => setOptionIfSupported({}, "fontFamily", "Berkeley Mono")).not.toThrow()
+  })
+
+  test("reads hovered link text safely", () => {
+    expect(getHoveredLinkText({ currentHoveredLink: { text: "https://example.com" } })).toBe("https://example.com")
+    expect(getHoveredLinkText({ currentHoveredLink: { text: 1 } })).toBeUndefined()
+    expect(getHoveredLinkText(null)).toBeUndefined()
+  })
+
+  test("resolves speech recognition constructor with webkit precedence", () => {
+    class SpeechCtor {}
+    class WebkitCtor {}
+    const ctor = getSpeechRecognitionCtor({
+      SpeechRecognition: SpeechCtor,
+      webkitSpeechRecognition: WebkitCtor,
+    })
+    expect(ctor).toBe(WebkitCtor)
+  })
+
+  test("returns undefined when no valid speech constructor exists", () => {
+    expect(getSpeechRecognitionCtor({ SpeechRecognition: "nope" })).toBeUndefined()
+    expect(getSpeechRecognitionCtor(undefined)).toBeUndefined()
+  })
+})