first commit

app_vue/node_modules/@vue/vue-loader-v15/lib/resolveScript.js

@@ -0,0 +1,51 @@
+const { resolveCompiler } = require('./compiler')
+
+const clientCache = new WeakMap()
+const serverCache = new WeakMap()
+
+exports.resolveScript = function resolveScript(
+  descriptor,
+  scopeId,
+  options,
+  loaderContext
+) {
+  if (!descriptor.script && !descriptor.scriptSetup) {
+    return null
+  }
+
+  const { compiler } = resolveCompiler(loaderContext.rootContext, loaderContext)
+  if (!compiler.compileScript) {
+    if (descriptor.scriptSetup) {
+      loaderContext.emitError(
+        'The version of Vue you are using does not support <script setup>. ' +
+          'Please upgrade to 2.7 or above.'
+      )
+    }
+    return descriptor.script
+  }
+
+  const isProd =
+    loaderContext.mode === 'production' || process.env.NODE_ENV === 'production'
+  const isServer = options.optimizeSSR || loaderContext.target === 'node'
+
+  const cacheToUse = isServer ? serverCache : clientCache
+  const cached = cacheToUse.get(descriptor)
+  if (cached) {
+    return cached
+  }
+
+  let resolved = null
+
+  try {
+    resolved = compiler.compileScript(descriptor, {
+      id: scopeId,
+      isProd,
+      babelParserPlugins: options.babelParserPlugins
+    })
+  } catch (e) {
+    loaderContext.emitError(e)
+  }
+
+  cacheToUse.set(descriptor, resolved)
+  return resolved
+}