Change runtime chunk name separator from tilde to dash (facebook#7679)

Author: Doug Ross

packages/react-scripts/config/webpack.config.js

@@ -277,7 +277,10 @@ module.exports = function(webpackEnv) {
       },
       // Keep the runtime chunk separated to enable long term caching
       // https://twitter.com/wSokra/status/969679223278505985
-      runtimeChunk: true,
+      // https://github.com/facebook/create-react-app/issues/5358
+      runtimeChunk: {
+        name: entrypoint => `runtime-${entrypoint.name}`,
+      },
     },
     resolve: {
       // This allows you to set a fallback for where Webpack should look for modules.
@@ -589,9 +592,10 @@ module.exports = function(webpackEnv) {
       ),
       // Inlines the webpack runtime script. This script is too small to warrant
       // a network request.
+      // https://github.com/facebook/create-react-app/issues/5358
       isEnvProduction &&
         shouldInlineRuntimeChunk &&
-        new InlineChunkHtmlPlugin(HtmlWebpackPlugin, [/runtime~.+[.]js/]),
+        new InlineChunkHtmlPlugin(HtmlWebpackPlugin, [/runtime-.+[.]js/]),
       // Makes some environment variables available in index.html.
       // The public URL is available as %PUBLIC_URL% in index.html, e.g.:
       // <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">