fix node6 compilation

Author: Maciej Warszawski

package.json

@@ -54,8 +54,7 @@
     "react-dom": "^16.2.0",
     "react-intl": "^2.4.0",
     "rollup": "^0.56.3",
-    "rollup-plugin-babel": "^3.0.3",
-    "rollup-plugin-postcss": "^1.3.1",
+    "rollup-plugin-postcss": "1.2.8",
     "rollup-plugin-typescript": "^0.8.1",
     "source-map-loader": "^0.2.3",
     "style-loader": "^0.20.2",

rollup.lib.js

@@ -13,20 +13,22 @@ const copyright = `/*
 `;
 const cssExportMap = {};
 
+const pluginTypescriptOptions = tsconfig.compilerOptions;
+pluginTypescriptOptions.typescript = typescript;
+pluginTypescriptOptions.tsconfig = false;
+
+const pluginPostcssOptions = {
+  modules: true,
+  extensions: ['.css'],
+  namedExports: true,
+  plugins: [postCssCssNext],
+};
+
 function rollupConfig(packageBasePath) {
   const pkg = require(path.resolve(packageBasePath, 'package.json'));
   const plugins = [
-    pluginTypescript({
-      typescript,
-      tsconfig: false,
-      ...tsconfig.compilerOptions,
-    }),
-    pluginPostcss({
-      modules: true,
-      extensions: ['.css'],
-      namedExports: true,
-      plugins: [postCssCssNext],
-    }),
+    pluginTypescript(pluginTypescriptOptions),
+    pluginPostcss(pluginPostcssOptions),
   ];
   const external = Object.getOwnPropertyNames(pkg.peerDependencies);
   const banner = copyright;

yarn.lock

@@ -6728,7 +6728,7 @@ resolve@1.1.7:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.1.7.tgz#203114d82ad2c5ed9e8e0411b3932875e889e97b"
 
-resolve@^1.1.7, resolve@^1.3.2, resolve@^1.3.3, resolve@^1.5.0:
+resolve@^1.1.7, resolve@^1.3.2, resolve@^1.3.3:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.5.0.tgz#1f09acce796c9a762579f31b2c1cc4c3cddf9f36"
   dependencies:
@@ -6772,15 +6772,9 @@ ripemd160@^2.0.0, ripemd160@^2.0.1:
     hash-base "^2.0.0"
     inherits "^2.0.1"
 
-rollup-plugin-babel@^3.0.3:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/rollup-plugin-babel/-/rollup-plugin-babel-3.0.3.tgz#63adedc863130327512a4a9006efc2241c5b7c15"
-  dependencies:
-    rollup-pluginutils "^1.5.0"
-
-rollup-plugin-postcss@^1.3.1:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/rollup-plugin-postcss/-/rollup-plugin-postcss-1.3.1.tgz#afe6466991a148856e89dbbd39bb0a32b48c96b1"
+rollup-plugin-postcss@1.2.8:
+  version "1.2.8"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-postcss/-/rollup-plugin-postcss-1.2.8.tgz#3389f4235521cd6a019ab6316cadccb0046c11f3"
   dependencies:
     chalk "^2.0.0"
     concat-with-sourcemaps "^1.0.5"
@@ -6792,9 +6786,8 @@ rollup-plugin-postcss@^1.3.1:
     postcss-modules "^1.1.0"
     promise.series "^0.2.0"
     reserved-words "^0.1.2"
-    resolve "^1.5.0"
     rollup-pluginutils "^2.0.1"
-    style-inject "^0.3.0"
+    style-inject "^0.2.0"
 
 rollup-plugin-typescript@^0.8.1:
   version "0.8.1"
@@ -6806,7 +6799,7 @@ rollup-plugin-typescript@^0.8.1:
     tippex "^2.1.1"
     typescript "^1.8.9"
 
-rollup-pluginutils@^1.3.1, rollup-pluginutils@^1.5.0:
+rollup-pluginutils@^1.3.1:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/rollup-pluginutils/-/rollup-pluginutils-1.5.2.tgz#1e156e778f94b7255bfa1b3d0178be8f5c552408"
   dependencies:
@@ -7343,9 +7336,9 @@ strong-log-transformer@^1.0.6:
     moment "^2.6.0"
     through "^2.3.4"
 
-style-inject@^0.3.0:
-  version "0.3.0"
-  resolved "https://registry.yarnpkg.com/style-inject/-/style-inject-0.3.0.tgz#d21c477affec91811cc82355832a700d22bf8dd3"
+style-inject@^0.2.0:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/style-inject/-/style-inject-0.2.1.tgz#0cac933812c2693820d0351202aad0b36da78cb8"
 
 style-loader@^0.20.2:
   version "0.20.2"