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fix(core): throw error if build folder already exists on initial clean #9112

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merged 13 commits into from
Jun 30, 2023
Merged

fix(core): throw error if build folder already exists on initial clean #9112

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89903b3
fix(plugins): throw error if build folder already exists on initial c…
thedevwonder Jun 29, 2023
be98393
fix: throw an error if the output path name matches the cwd name case…
thedevwonder Jun 29, 2023
2293e12
fix: add toLowerCase() to match case
thedevwonder Jun 29, 2023
6638477
fix: add toLowerCase() to match case
thedevwonder Jun 29, 2023
358a8ae
fix(plugins): add file check using fs
thedevwonder Jun 30, 2023
7a23fbf
fix(plugins): use pathExistsSync from fs-extra module to validate path
thedevwonder Jun 30, 2023
2a7bb19
Apply suggestions from code review
Josh-Cena Jun 30, 2023
546f8a6
fix(plugins): add await fs.pathExists
thedevwonder Jun 30, 2023
4c427f1
fix(plugins): revert back to using pathExistsSync
thedevwonder Jun 30, 2023
c0aa55c
fix(plugins): add private validator func to check duplicate name in c…
thedevwonder Jun 30, 2023
daa1932
fix(core): change build error message on initial clean up
thedevwonder Jun 30, 2023
b08a976
fix(core): add file exists check and isFile check synchronously
thedevwonder Jun 30, 2023
d86ac5c
fix(core): fix build error message
thedevwonder Jun 30, 2023
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20 changes: 20 additions & 0 deletions packages/docusaurus/src/webpack/plugins/CleanWebpackPlugin.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@
// More context: https://github.com/facebook/docusaurus/pull/1839

import path from 'path';
import fs from 'fs-extra';
import {sync as delSync} from 'del';
import type {Compiler, Stats} from 'webpack';

Expand Down Expand Up @@ -115,6 +116,19 @@ export default class CleanWebpackPlugin {
this.removeFiles = this.removeFiles.bind(this);
}

private checkIfFileNameIsDuplicate(): boolean {
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const dir = path.dirname(this.outputPath);
const baseName = path.basename(this.outputPath).toLowerCase();
// eslint-disable-next-line no-restricted-properties
const duplicateFiles = fs
.readdirSync(dir)
.filter((fileName) => fileName.toLowerCase() === baseName);
if (duplicateFiles.length > 0) {
return true;
}
return false;
}
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@slorber slorber Jun 30, 2023 •
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I think this should be enough

if (
      (await fs.pathExists(outputPath)) &&
      (await fs.stat(outputPath)).isFile()
    ) {
   throw new Error("...");
}

On:

  • case insensitive FS: this should throw for files like BUILD or build
  • case-sensitive FS: if a file named BUILD exists, I think it's allowed to create a folder named build? 🤔

I only have access to a case insensitive file-system. Can someone test my assumption on case sensitive file-system?

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@slorber, I think yours is better because it doesn't break the abstraction of whether the FS is case-sensitive or not :)

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@thedevwonder thedevwonder Jun 30, 2023 •
edited
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I think this should be enough

if (
      (await fs.pathExists(outputPath)) &&
      (await fs.stat(outputPath)).isFile()
    ) {
   throw new Error("...");
}

On:

  • case insensitive FS: this should throw for files like BUILD or build
  • case-sensitive FS: if a file named BUILD exists, I think it's allowed to create a folder named build? 🤔

I only have access to a case insensitive file-system. Can someone test my assumption on case sensitive file-system?

I used gitpod.io to test this usecase. It is a case-sensitive system. I changed the code because I thought someone using case-sensitive FS may create a BUILD file and someone not using this FS may find this file throwing an error during the build

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What do you think about this, any suggestions? @slorber @Josh-Cena

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I think it's fine. Running the same project on different systems can often run into inconsistencies, like some imports that work on case-insensitive systems suddenly fail in case-sensitive ones.

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@Josh-Cena I see, keeping it simple then!

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@Josh-Cena @slorber I have used the sync version of pathExists and stat functions and fixed the error message. Let me know if this looks good.

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I have also tested the code in my local env. Works fine:)


apply(compiler: Compiler): void {
if (!compiler.options.output.path) {
console.warn(
Expand Down Expand Up @@ -152,6 +166,12 @@ export default class CleanWebpackPlugin {
return;
}

if (this.checkIfFileNameIsDuplicate()) {
throw new Error(
`Output file ${this.outputPath} already exists. Docusaurus needs this directory to save the build output. Either remove/change the file or choose a different build directory via '--out-dir'.`,
);
}

this.initialClean = true;

this.removeFiles(this.cleanOnceBeforeBuildPatterns);
Expand Down