refactor(vast): [PKG-VAST-04] retain published types and add accurate runtime declarations

refactor/scripts/vast-consumer.mjs

@@ -0,0 +1,26 @@
+import assert from 'node:assert/strict'
+import fs from 'node:fs'
+
+export function vastConsumer(kind, { legacy = false, requireImport = false } = {}) {
+  let source = fs.readFileSync(kind === 'runtime' ? 'test/types/vast-runtime.ts' : 'refactor/fixtures/consumers/vast-published.ts', 'utf8')
+  const entry = kind === 'runtime' ? 'artplayer-plugin-vast/runtime' : legacy ? 'artplayer-plugin-vast/legacy' : 'artplayer-plugin-vast'
+  if (legacy)
+    source = source.replaceAll('\'artplayer-plugin-vast\'', `'${entry}'`)
+  if (requireImport)
+    source = source.replace(`import vast from '${entry}'`, `import vast = require('${entry}')`)
+  return source
+}
+
+export function runtimeNegatives(source) {
+  const lines = source.split('\n')
+  const expected = []
+  const invalid = lines.map((line, index) => {
+    if (!/^[ \t]*\/\/ @ts-expect-error/.test(line))
+      return line
+    assert(lines[index + 1]?.trim() && !lines[index + 1].trim().startsWith('//'))
+    expected.push(index + 2)
+    return ''
+  }).join('\n')
+  assert.equal(expected.length, 14, 'Keep every runtime misuse independently observable')
+  return { invalid, expected }
+}