refactor: remove duplicate miniapp page sources

ui-tests/miniapp-source-uniqueness-contracts.mjs

@@ -0,0 +1,26 @@
+import assert from 'node:assert/strict'
+import { existsSync, readdirSync } from 'node:fs'
+import { extname, join, relative, resolve } from 'node:path'
+
+const root = resolve(import.meta.dirname, '..')
+const pagesRoot = resolve(root, 'miniapp/pages')
+
+function walk(directory) {
+  return readdirSync(directory, { withFileTypes: true }).flatMap((entry) => {
+    const absolutePath = join(directory, entry.name)
+    return entry.isDirectory() ? walk(absolutePath) : [absolutePath]
+  })
+}
+
+const duplicatePageSources = walk(pagesRoot)
+  .filter((file) => extname(file) === '.ts')
+  .filter((file) => existsSync(file.replace(/\.ts$/, '.js')))
+  .map((file) => relative(root, file).replace(/\\/g, '/'))
+
+assert.deepEqual(
+  duplicatePageSources,
+  [],
+  `小程序页面存在 TS/JS 双源，可能导致微信开发者工具加载旧实现：\n${duplicatePageSources.join('\n')}`,
+)
+
+console.log('Miniapp page source uniqueness contracts passed')