Merge pull request #2107 from didi/feat-rn-split-chunk-rnExternalRequests

rnExternalRequests收集分包 chunk name 信息

Author: hiyuki

packages/webpack-plugin/lib/dependencies/RequireExternalDependency.js

@@ -47,7 +47,11 @@ RequireExternalDependency.Template = class RequireExternalDependencyTemplate {
       relativePath = './' + relativePath
     }
 
-    compliation.__mpx__.externalRequests.add(relativePath)
+    if (!compliation.__mpx__.externalRequestsMap.has(chunk.name)) {
+      compliation.__mpx__.externalRequestsMap.set(chunk.name, new Set())
+    }
+    compliation.__mpx__.externalRequestsMap.get(chunk.name).add(relativePath)
+
     source.replace(range[0], range[1] - 1, `require(${JSON.stringify(relativePath)})`)
   }
 }

packages/webpack-plugin/lib/index.js

@@ -729,7 +729,7 @@ class MpxWebpackPlugin {
           // 记录与asset相关联的ast，用于体积分析和esCheck，避免重复parse
           assetsASTsMap: new Map(),
           // 记录RequireExternalDependency相关资源路径
-          externalRequests: new Set(),
+          externalRequestsMap: new Map(),
           globalComponents: {},
           globalComponentsInfo: {},
           // todo es6 map读写性能高于object，之后会逐步替换