mirror of
https://github.com/KuekHaoYang/KVideo.git
synced 2026-08-12 23:33:43 +08:00
kuekhaoyang
1179148031
Keep chrome69 downleveling for Android 9 WebViews, but only hard-fail on logical assignment after transpile. Regex/polyfill feature detects and minified ternaries can contain `??`/`?.` character sequences that are not optional chaining or nullish coalescing operators.
45 lines
1.5 KiB
TypeScript
45 lines
1.5 KiB
TypeScript
import assert from 'node:assert/strict';
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import { execFile } from 'node:child_process';
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import { mkdtemp, readFile, writeFile } from 'node:fs/promises';
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import { tmpdir } from 'node:os';
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import path from 'node:path';
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import { promisify } from 'node:util';
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import test from 'node:test';
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const execFileAsync = promisify(execFile);
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test('client asset transpilation removes modern syntax for Android 9 WebView (Chrome 69)', async () => {
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const tempDir = await mkdtemp(path.join(tmpdir(), 'kvideo-webview69-'));
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const assetPath = path.join(tempDir, 'chunk.js');
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await writeFile(
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assetPath,
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[
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'let count = null;',
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'let fallback = 0;',
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'let enabled = true;',
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'const nested = globalThis.__input?.value ?? "fallback";',
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'count ??= 1;',
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'fallback ||= 2;',
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'enabled &&= false;',
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'globalThis.__kvideoWebView69Result = { count, fallback, enabled, nested };',
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].join('\n')
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);
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await execFileAsync(process.execPath, [
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path.resolve('scripts/transpile-client-assets.mjs'),
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tempDir,
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]);
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const output = await readFile(assetPath, 'utf8');
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assert.equal(output.includes('??='), false);
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assert.equal(output.includes('||='), false);
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assert.equal(output.includes('&&='), false);
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// chrome83 still emits bare `??` in app code; chrome69 must rewrite it.
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// (Polyfill feature-detect regexes like `/()??/` may still contain the characters.)
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assert.equal(output.includes('nested'), true);
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assert.equal(/\?\?\s*"fallback"|\?\?\s*'fallback'/.test(output), false);
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assert.equal(output.includes('?.'), false);
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});
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