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fix(dotenv): preserve cached values before expansion - #22787
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Signed-off-by: Eshiv-Pandey <194340770+Eshiv-Pandey@users.noreply.github.com>
🦋 Changeset detectedLatest commit: 8b4d9bc The changes in this PR will be included in the next version bump. This PR includes changesets to release 1 package
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📝 Walkthrough
Priority: ⬇️ Low Change: Bug fix Merge Risk: ⚪ Minimal · up to
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Reported by Types Coverage #1751 for 8b4d9bc, computed by this pull request's own code. Types CoverageCoverage after merging fix/dotenv-cache-expansion into main will be
Coverage Report |
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Reported by Code Size #5117 for 8b4d9bc, computed by this pull request's own code. Generated code sizeComparing base (
Read No asset changed size. No runtime gained or lost a runtime module. Built |
Merging this PR will degrade performance by 57.4%
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| Mode | Benchmark | BASE |
HEAD |
Efficiency | |
|---|---|---|---|---|---|
| ❌ | Memory | benchmark "html-many-chunks", scenario '{"name":"mode-development-rebuild","mode":"development","watch":true}' |
142.5 KB | 761.3 KB | -81.28% |
| ❌ | Memory | unit benchmark "html-printer-document-unit", minify (document) |
194.6 KB | 326.6 KB | -40.42% |
| ❌ | WallTime | unit benchmark "css-printer-tailwind-unit", walk (dropped empty blocks) |
23.2 ms | 33.5 ms | -30.68% |
Tip
Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.
Comparing Eshiv-Pandey:fix/dotenv-cache-expansion (8b4d9bc) with main (f9705a6)
Footnotes
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212 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩
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This PR is packaged and the instant preview is available (9ed3b7b). Install it locally:
npm i -D webpack@https://pkg.pr.new/webpack@9ed3b7b
yarn add -D webpack@https://pkg.pr.new/webpack@9ed3b7b
pnpm add -D webpack@https://pkg.pr.new/webpack@9ed3b7b |
This PR contains the following updates: | Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) | |---|---|---|---| | [webpack](https://github.com/webpack/webpack) | [`5.112.0` → `5.112.2`](https://renovatebot.com/diffs/npm/webpack/5.112.0/5.112.2) |  |  | --- >⚠️ **Warning** > > Some dependencies could not be looked up. Check the [Dependency Dashboard](issues/99) for more information. --- ### Release Notes <details> <summary>webpack/webpack (webpack)</summary> ### [`v5.112.2`](https://github.com/webpack/webpack/blob/HEAD/CHANGELOG.md#51122) [Compare Source](webpack/webpack@v5.112.1...v5.112.2) ##### Patch Changes - Reduce repeated scans when concatenating imported modules. (by [@​xiaoxiaojx](https://github.com/xiaoxiaojx) in [#​22865](webpack/webpack#22865)) - Avoid allocating CSS module sets for single-group chunks. (by [@​xiaoxiaojx](https://github.com/xiaoxiaojx) in [#​22866](webpack/webpack#22866)) - Return the value of every module type loaded with `importModule()`. (by [@​alexander-akait](https://github.com/alexander-akait) in [#​22869](webpack/webpack#22869)) ### [`v5.112.1`](https://github.com/webpack/webpack/blob/HEAD/CHANGELOG.md#51121) [Compare Source](webpack/webpack@v5.112.0...v5.112.1) ##### Patch Changes - Rebuild a lazy barrel in watch when what it defers changes, and keep the imports and re-exports it still runs. (by [@​aryanraj45](https://github.com/aryanraj45) in [#​22699](webpack/webpack#22699)) - Rebuild under `cacheUnaffected` a module whose re-export target goes or returns. (by [@​aryanraj45](https://github.com/aryanraj45) in [#​22749](webpack/webpack#22749)) - Fix "Self-reference dependency has unused export name" for CommonJS namespace re-exports. (by [@​alexander-akait](https://github.com/alexander-akait) in [#​22791](webpack/webpack#22791)) - Fix `exportType: "style"` CSS modules throwing outside the runtime chunk. (by [@​lazerg](https://github.com/lazerg) in [#​22833](webpack/webpack#22833)) - Fix crash when a CSS module with `exportType: "style"` imports an ignored stylesheet. (by [@​codeXsidd](https://github.com/codeXsidd) in [#​22846](webpack/webpack#22846)) - Keep empty process environment variables that `.env` files don't define in `DotenvPlugin`. (by [@​alexander-akait](https://github.com/alexander-akait) in [#​22794](webpack/webpack#22794)) - Rehash an ESM entry chunk when a chunk it imports by file name changes. (by [@​alexander-akait](https://github.com/alexander-akait) in [#​22804](webpack/webpack#22804)) - Handle a NUL inside an HTML CDATA section the way the parsing spec does. (by [@​dependabot](https://github.com/apps/dependabot) in [#​22811](webpack/webpack#22811)) - Keep module exports live across chunks, runtimes, HMR and eval, sparing globals. (by [@​alexander-akait](https://github.com/alexander-akait) in [#​22733](webpack/webpack#22733)) - Await asynchronous modules that `ProvidePlugin` injects into ES modules. (by [@​alexander-akait](https://github.com/alexander-akait) in [#​22728](webpack/webpack#22728)) - Keep a resolve that ends after the compiler closed from throwing. (by [@​alexander-akait](https://github.com/alexander-akait) in [#​22795](webpack/webpack#22795)) - Preserve string names passed to SharedWorker constructors. (by [@​bjohansebas](https://github.com/bjohansebas) in [#​22770](webpack/webpack#22770)) - Preserve string contents when extracting source map comments. (by [@​bjohansebas](https://github.com/bjohansebas) in [#​22768](webpack/webpack#22768)) - Scope strict-mode, async and generator block function declarations to their block. (by [@​alexander-akait](https://github.com/alexander-akait) in [#​22800](webpack/webpack#22800)) - Preserve raw dotenv values when reusing cached environment files. (by [@​Eshiv-Pandey](https://github.com/Eshiv-Pandey) in [#​22787](webpack/webpack#22787)) - Preserve assigned or patched built-ins, conversions and pattern targets. (by [@​aryanraj45](https://github.com/aryanraj45) in [#​22761](webpack/webpack#22761)) - Keep globals a `globalThis` write replaces, and `slice` on a patched array. (by [@​alexander-akait](https://github.com/alexander-akait) in [#​22862](webpack/webpack#22862)) - Skip HTML script tags for shared chunks that emit no JavaScript. (by [@​bjohansebas](https://github.com/bjohansebas) in [#​22779](webpack/webpack#22779)) - Keep the digits Firefox lays out a minified CSS percentage with. (by [@​alexander-akait](https://github.com/alexander-akait) in [#​22718](webpack/webpack#22718)) - Reject a second `srcset` descriptor after a `0x` density descriptor. (by [@​alexander-akait](https://github.com/alexander-akait) in [#​22741](webpack/webpack#22741)) - Minify JavaScript faster, folding string methods on constants and `x -= 1`. (by [@​alexander-akait](https://github.com/alexander-akait) in [#​22823](webpack/webpack#22823)) - Shorten minified JavaScript, and keep it running like its source. (by [@​alexander-akait](https://github.com/alexander-akait) in [#​22717](webpack/webpack#22717)) - Drop more unused functions, arguments, calls, global reads and variable copies when minifying JavaScript. (by [@​alexander-akait](https://github.com/alexander-akait) in [#​22789](webpack/webpack#22789)) - Minify JavaScript smaller where swc does, and fold a function's `length` right. (by [@​alexander-akait](https://github.com/alexander-akait) in [#​22826](webpack/webpack#22826)) - Reduce JavaScript output size where oxc or swc produce smaller output. (by [@​alexander-akait](https://github.com/alexander-akait) in [#​22829](webpack/webpack#22829)) - Update watchpack to 2.6.3 and rebuild on a `node_modules` created mid-build. (by [@​alexander-akait](https://github.com/alexander-akait) in [#​22743](webpack/webpack#22743)) - Support `concatenateModules` with `cacheUnaffected`. (by [@​alexander-akait](https://github.com/alexander-akait) in [#​22746](webpack/webpack#22746)) - Update schema-utils to 4.8.1. (by [@​alexander-akait](https://github.com/alexander-akait) in [#​22774](webpack/webpack#22774)) - Keep CSS fallbacks, vendor overrides, `oklch()` hues and HTML elements. (by [@​alexander-akait](https://github.com/alexander-akait) in [#​22753](webpack/webpack#22753)) - Validate `CleanPlugin` and `DotenvPlugin` options with a precompiled check, so valid options no longer compile their schema at startup. (by [@​alexander-akait](https://github.com/alexander-akait) in [#​22758](webpack/webpack#22758)) - Speed up startup and CSS minification, sharing the compile cache with workers. (by [@​xiaoxiaojx](https://github.com/xiaoxiaojx) in [#​22706](webpack/webpack#22706)) - Use precise, generic types for modules, parsers, generators, stats and loaders. (by [@​alexander-akait](https://github.com/alexander-akait) in [#​22731](webpack/webpack#22731)) </details> --- ### Configuration 📅 **Schedule**: (UTC) - Branch creation - "before 9am on tuesday" - Automerge - At any time (no schedule defined) 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate CLI](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0NC4xNzUuMSIsInVwZGF0ZWRJblZlciI6IjQ0LjE3NS4xIiwidGFyZ2V0QnJhbmNoIjoiZGV2ZWxvcCIsImxhYmVscyI6WyJkZXBlbmRlbmNpZXMiLCJyZW5vdmF0ZSJdfQ==--> Reviewed-on: https://code.futo.org/harbor/harbor/pulls/2035
Summary
Dotenv expansion mutates cached values, so rebuilds corrupt escaped dollars and retain old environment overrides. Expand a copy to keep the raw file values.
With an unchanged
.envand the ambient base changing fromfirsttosecond:$WEBPACK_DOTENV_CACHE_BASEsecond$WEBPACK_DOTENV_CACHE_BASE${WEBPACK_DOTENV_CACHE_BASE}/apifirst/apisecond/apiWhat kind of change does this PR introduce?
fix
Did you add tests for your changes?
Yes.
test/watchCases/plugins/dotenv-cached-expansioncovers escaping and changed or removed overrides. It fails before the fix and passes afterward.Local validation: all 11 lint stages, changeset validation and 106 focused tests passed. The earlier full run did not finish and last reported 21 test262 failures whose causes remain unverified. Full validation is left to CI.
Does this PR introduce a breaking change?
No.
If relevant, what needs to be documented once your changes are merged or what have you already documented?
Added a patch changeset.
Use of AI
AI assistance was used to diagnose the cache mutation, draft the fix.
Summary by CodeRabbit