tor*_*tto 5 webpack lerna create-react-app monorepo yarn-workspaces
我正在尝试使用这些包创建一个 monorepo：
到目前为止，我一直无法设置它以便 react 应用程序和 gatsby 站点都可以运行。
为了显示这个问题，我设置了一个最小的 monorepo，只有这些包：
gatsby new gat https://github.com/gatsbyjs/gatsby-starter-default在初始设置（没有 nohoisting）之后，启动 gatsby 站点返回以下内容：
ERROR
Error in "/Users/angus/coding/monorepo-trials/cra-gatsby-monorepo/node_modules/gatsby-plugin-gatsby-cloud/gatsby-node.js": Cannot read property 'RawSource' of undefined
TypeError: Cannot read property 'RawSource' of undefined
- WebpackAssetsManifest.js:17 Object.<anonymous>
[cra-gatsby-monorepo]/[webpack-assets-manifest]/src/WebpackAssetsManifest.js:17:47
- v8-compile-cache.js:192 Module._compile
[cra-gatsby-monorepo]/[v8-compile-cache]/v8-compile-cache.js:192:30
- loader.js:1092 Object.Module._extensions..js
internal/modules/cjs/loader.js:1092:10
- loader.js:928 Module.load
internal/modules/cjs/loader.js:928:32
- loader.js:769 Function.Module._load
internal/modules/cjs/loader.js:769:14
- loader.js:952 Module.require
internal/modules/cjs/loader.js:952:19
- v8-compile-cache.js:159 require
[cra-gatsby-monorepo]/[v8-compile-cache]/v8-compile-cache.js:159:20
- gatsby-node.js:5 Object.<anonymous>
[cra-gatsby-monorepo]/[gatsby-plugin-gatsby-cloud]/gatsby-node.js:5:53
- v8-compile-cache.js:192 Module._compile
[cra-gatsby-monorepo]/[v8-compile-cache]/v8-compile-cache.js:192:30
- loader.js:1092 Object.Module._extensions..js
internal/modules/cjs/loader.js:1092:10
- loader.js:928 Module.load
internal/modules/cjs/loader.js:928:32
- loader.js:769 Function.Module._load
internal/modules/cjs/loader.js:769:14
- loader.js:952 Module.require
internal/modules/cjs/loader.js:952:19
- v8-compile-cache.js:159 require
[cra-gatsby-monorepo]/[v8-compile-cache]/v8-compile-cache.js:159:20
- resolve-module-exports.ts:197 resolveModuleExports
[cra-gatsby-monorepo]/[gatsby]/src/bootstrap/resolve-module-exports.ts:197:26
- validate.ts:349
[cra-gatsby-monorepo]/[gatsby]/src/bootstrap/load-plugins/validate.ts:349:31
not finished load plugins - 0.930s
npm ERR! code ELIFECYCLE npm ERR! errno 1 npm ERR! gatsby-starter-default@0.1.0 develop: `gatsby develop` npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the gatsby-starter-default@0.1.0 develop 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/angus/.npm/_logs/2021-05-16T14_05_14_891Z-debug.log error Command failed with exit code 1. info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
然后我尝试从每个包中nohoisting所有内容，将以下内容添加到每个包的 package.json 中：
"workspaces": {
"nohoist": [
"**"
]
},
...然后在顶层做lerna clean和lerna bootstrap。
此时， gatsby 站点失败并出现不同的错误：
$ yarn start
yarn run v1.22.10
$ yarn develop
$ gatsby develop
success open and validate gatsby-configs - 0.081s
success load plugins - 0.912s
success onPreInit - 0.041s
success initialize cache - 0.008s
success copy gatsby files - 0.135s
success onPreBootstrap - 0.020s
success createSchemaCustomization - 0.006s
success Checking for changed pages - 0.004s
success source and transform nodes - 0.073s
success building schema - 0.571s
success createPages - 0.001s
success createPagesStatefully - 0.089s
info Total nodes: 43, SitePage nodes: 6 (use --verbose for breakdown)
success Checking for changed pages - 0.001s
success update schema - 0.080s
success write out redirect data - 0.002s
success Build manifest and related icons - 0.073s
success onPostBootstrap - 0.079s
info bootstrap finished - 5.402s
success onPreExtractQueries - 0.001s
success extract queries from components - 1.843s
success write out requires - 0.007s
success run page queries - 0.019s - 1/1 53.60/s
ERROR
(node:9884) [DEP_WEBPACK_MAIN_TEMPLATE_OUTPUT_OPTIONS] DeprecationWarning: MainTemplate.outputOptions is deprecated (use Compilation.outputOptions
instead)
(Use `node --trace-deprecation ...` to show where the warning was created)
ERROR
(node:9884) [DEP_WEBPACK_MAIN_TEMPLATE_REQUIRE] DeprecationWarning: MainTemplate.hooks.require is deprecated (use
JavascriptModulesPlugin.getCompilationHooks().renderRequire instead)
ERROR
(node:9884) [DEP_WEBPACK_COMPILATION_NORMAL_MODULE_LOADER_HOOK] DeprecationWarning: Compilation.hooks.normalModuleLoader was moved to
NormalModule.getCompilationHooks(compilation).loader
ERROR #98124 WEBPACK
Generating development JavaScript bundle failed
undefined
If you're trying to use a package make sure that 'undefined' is installed. If you're trying to use a local file make sure that the path is correct.
ERROR #98124 WEBPACK
Generating development JavaScript bundle failed
undefined
If you're trying to use a package make sure that 'undefined' is installed. If you're trying to use a local file make sure that the path is correct.
ERROR #98124 WEBPACK
Generating development JavaScript bundle failed
undefined
If you're trying to use a package make sure that 'undefined' is installed. If you're trying to use a local file make sure that the path is correct.
ERROR #98124 WEBPACK
Generating development JavaScript bundle failed
undefined
If you're trying to use a package make sure that 'undefined' is installed. If you're trying to use a local file make sure that the path is correct.
ERROR #98124 WEBPACK
Generating development JavaScript bundle failed
undefined
If you're trying to use a package make sure that 'undefined' is installed. If you're trying to use a local file make sure that the path is correct.
ERROR #98124 WEBPACK
Generating development JavaScript bundle failed
undefined
If you're trying to use a package make sure that 'undefined' is installed. If you're trying to use a local file make sure that the path is correct.
failed Building development bundle - 3.780s
ERROR in commons
Module not found: TypeError: Cannot read property 'indexOf' of undefined
ERROR in commons
Module not found: TypeError: Cannot read property 'indexOf' of undefined
ERROR in commons
Module not found: TypeError: Cannot read property 'indexOf' of undefined
ERROR in polyfill
Module not found: TypeError: Cannot read property 'indexOf' of undefined
ERROR in polyfill
Module not found: TypeError: Cannot read property 'indexOf' of undefined
ERROR in polyfill
Module not found: TypeError: Cannot read property 'indexOf' of undefined
webpack compiled with 6 errors
..虽然 cra 运行。
偶然地我发现，如果我使用yarn add gatsby -W然后在 monorepo的顶层额外安装 gatsby则 gatsby 站点运行，但 cra 包失败如下：
There might be a problem with the project dependency tree.
It is likely not a bug in Create React App, but something you need to fix locally.
The react-scripts package provided by Create React App requires a dependency:
"babel-loader": "8.1.0"
Don't try to install it manually: your package manager does it automatically.
However, a different version of babel-loader was detected higher up in the tree:
/Users/angus/coding/monorepo-trials/cra-gatsby-monorepo/node_modules/babel-loader (version: 8.2.2)
Manually installing incompatible versions is known to cause hard-to-debug issues.
If you would prefer to ignore this check, add SKIP_PREFLIGHT_CHECK=true to an .env file in your project.
That will permanently disable this message but you might encounter other issues.
To fix the dependency tree, try following the steps below in the exact order:
1. Delete package-lock.json (not package.json!) and/or yarn.lock in your project folder.
2. Delete node_modules in your project folder.
3. Remove "babel-loader" from dependencies and/or devDependencies in the package.json file in your project folder.
4. Run npm install or yarn, depending on the package manager you use.
In most cases, this should be enough to fix the problem.
If this has not helped, there are a few other things you can try:
5. If you used npm, install yarn (http://yarnpkg.com/) and repeat the above steps with it instead.
This may help because npm has known issues with package hoisting which may get resolved in future versions.
6. Check if /Users/angus/coding/monorepo-trials/cra-gatsby-monorepo/node_modules/babel-loader is outside your project directory.
For example, you might have accidentally installed something in your home folder.
7. Try running npm ls babel-loader in your project folder.
This will tell you which other package (apart from the expected react-scripts) installed babel-loader.
If nothing else helps, add SKIP_PREFLIGHT_CHECK=true to an .env file in your project.
That would permanently disable this preflight check in case you want to proceed anyway.
P.S. We know this message is long but please read the steps above :-) We hope you find them helpful!
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
所以在我看来 gatsby 和 react-scripts 在某种程度上混淆了他们所需的 webpack 版本..？我本以为 nohoisting 一切应该意味着每个包都将完全独立运行，即好像它们是单独的“正常”（即不是单）存储库 - 但情况似乎并非如此..？
我一般是 webpack 和 monorepos 的菜鸟，所以可能我误解了一些东西......？非常感谢任何见解！
一些版本：
yarn 1.22.10
lerna 4.0.0
gatsby 3.5.0
react-scripts 4.0.3
react 17.0.2
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