Chunk.entrypoints：使用Chunks.groupsIterable并按instanceof Entrypoint进行过滤

尝试启动我的应用时，我看到以下错误...

> css-modules@1.0.0 start /Users/johnnynolan/Repos/css-modules

webpack &&打开index.html

(node:5706) DeprecationWarning: Tapable.plugin is deprecated. Use new API on `.hooks` instead
/Users/johnnynolan/Repos/css-modules/node_modules/webpack/lib/Chunk.js:802
        throw new Error(
        ^

Error: Chunk.entrypoints: Use Chunks.groupsIterable and filter by instanceof Entrypoint instead
    at Chunk.get (/Users/johnnynolan/Repos/css-modules/node_modules/webpack/lib/Chunk.js:802:9)
    at /Users/johnnynolan/Repos/css-modules/node_modules/extract-text-webpack-plugin/dist/index.js:176:48
    at Array.forEach (<anonymous>)
    at /Users/johnnynolan/Repos/css-modules/node_modules/extract-text-webpack-plugin/dist/index.js:171:18
    at AsyncSeriesHook.eval [as callAsync] (eval at create (/Users/johnnynolan/Repos/css-modules/node_modules/tapable/lib/HookCodeFactory.js:24:12), <anonymous>:7:1)
    at AsyncSeriesHook.lazyCompileHook [as _callAsync] (/Users/johnnynolan/Repos/css-modules/node_modules/tapable/lib/Hook.js:35:21)
    at Compilation.seal (/Users/johnnynolan/Repos/css-modules/node_modules/webpack/lib/Compilation.js:1203:27)
    at hooks.make.callAsync.err (/Users/johnnynolan/Repos/css-modules/node_modules/webpack/lib/Compiler.js:547:17)
    at _err0 (eval at create (/Users/johnnynolan/Repos/css-modules/node_modules/tapable/lib/HookCodeFactory.js:24:12), <anonymous>:11:1)
    at _addModuleChain (/Users/johnnynolan/Repos/css-modules/node_modules/webpack/lib/Compilation.js:1054:12)
    at processModuleDependencies.err (/Users/johnnynolan/Repos/css-modules/node_modules/webpack/lib/Compilation.js:980:9)
    at _combinedTickCallback (internal/process/next_tick.js:131:7)
    at process._tickCallback (internal/process/next_tick.js:180:9)
    npm ERR! code ELIFECYCLE
    npm ERR! errno 1
    npm ERR! css-modules@1.0.0 start: `webpack && open index.html`
    npm ERR! Exit status 1
    npm ERR! 
    npm ERR! Failed at the css-modules@1.0.0 start script.
    npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
    npm ERR! A complete log of this run can be found in:
    npm ERR!     /Users/johnnynolan/.npm/_logs/2018-07-17T14_04_42_021Z-debug.log