docs: clarify closeBundle behavior#7525
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Pull request overview
This PR enhances the documentation for Rolldown's plugin API by clarifying the behavioral differences between Rolldown and Rollup regarding output generation handling. The changes restructure existing content and add new clarifications about closeBundle behavior, addressing issues #6910 and #5715.
Key changes:
- Restructured the output generation differences into a clearer bulleted list format
- Added clarification about build hooks being called separately for each output
- Added important documentation about
closeBundlehook only being called whengenerate()orwrite()is invoked
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This was referenced Dec 17, 2025
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## [1.0.0-beta.55] - 2025-12-17 ### 🚀 Features - add validation errors for incompatible `inlineDynamicImports` options (#7539) by @Copilot - rolldown_plugin_vite_reporter: truncate long importer lists in ineffective dynamic import warnings (#7528) by @Copilot - export `memfs` from `rolldown/experimental` for browser builds (#7490) by @Copilot - implement `postBanner` and `postFooter` (#7487) by @sevenc-nanashi - port getLogFilter helper from Rollup for advanced log filtering (#6890) by @taearls - dev: initialize `rolldown_plugin_lazy_compilation` (#7488) by @hyf0 - enable `experimental.transform_hires_sourcemap: 'boundary'` by default (#7478) by @sapphi-red - apply merge CJS namespace optimizations more generally (#7475) by @sapphi-red ### 🐛 Bug Fixes - avoid panic on invalid values for `output.exports`, `output.format`, `output.hash_characters` (#7542) by @sapphi-red - handle `__proto__` export for module namespace correctly (#7534) by @sapphi-red - handle `__proto__` export correctly (#7533) by @sapphi-red - rolldown_plugin_vite_resolve: acquire resolver lock before package json resolution (#7524) by @sapphi-red - disable syntax transform optimization for `minify: 'dce-only'` (#7520) by @sapphi-red - arrow function expression keep names (#7519) by @IWANABETHATGUY - skip symbols that are imported from other module when deconflicting module symbols (#7510) by @IWANABETHATGUY - preserve class names in assignment expressions with keepNames option (#7491) by @IWANABETHATGUY - accessor with decorators should be kept (#7499) by @Copilot - rolldown_plugin_vite_reporter: support `Infinity` for chunk_limit (#7497) by @shulaoda - change filename template validation errors from UNHANDLEABLE_ERROR to INVALID_OPTION (#7472) by @Copilot - `no entry found for key` error when merging CJS namespace exports (#7474) by @sapphi-red - generate output with syntax error when wrapped esm module using tla syntax (#7468) by @IWANABETHATGUY ### 🚜 Refactor - dev: rename `experimental.hmr` to `experimental.devMode` (#7527) by @hyf0 - pass addon option to rust as it is (#7526) by @hyf0 - remove unused stmtinfo meta flag (#7518) by @IWANABETHATGUY ### 📚 Documentation - clarify `closeBundle` behavior (#7525) by @sapphi-red ### 🧪 Testing - add tests for static string postBanner and postFooter (#7516) by @Copilot - disable pluginTimings in Rust integration tests to avoid snapshot noise (#7485) by @shulaoda - port Rollup JSX tests to `crates/rolldown/tests/rollup` (#7480) by @sapphi-red - re-triage some esbuild JSX preserve tests (#7479) by @sapphi-red - disable pluginTimings by default to avoid snapshot noise (#7471) by @shulaoda ### ⚙️ Miscellaneous Tasks - mark feature that will not be supported as ignored in rollup test status (#7535) by @sapphi-red - support `banner`/`footer`/`intro`/`outro` for config variants (#7532) by @sapphi-red - `dce/dce_of_decorators` esbuild test is now passing (#7531) by @sapphi-red - deps: update github-actions (major) (#7495) by @renovate[bot] - deps: update npm packages (#7493) by @renovate[bot] - add a check to verify failedReasons are updated (#7521) by @sapphi-red - deps: update test262 submodule for tests (#7523) by @sapphi-red - deps: update taiki-e/install-action action to v2.63.2 (#7496) by @renovate[bot] - deps: update oxc apps (#7511) by @renovate[bot] - deps: update oxc to v0.103.0 (#7513) by @camc314 - fix format in `.github/instructions/bug-investigation.instructions.md` (#7506) by @sapphi-red - add instructions for REPL decoding (#7502) by @sapphi-red - deps: update github-actions (#7492) by @renovate[bot] - deps: cargo-shear v1.9.0 (#7483) by @Boshen - deps: update dependency oxlint-tsgolint to v0.9.0 (#7484) by @renovate[bot] - deps: update dependency oxlint-tsgolint to v0.8.6 (#7470) by @renovate[bot] - add syntax validation for test output chunks that are not executed (#7466) by @IWANABETHATGUY - deps: update dependency rust to v1.92.0 (#7467) by @renovate[bot] - deps: update test262 submodule for tests (#7457) by @sapphi-red ### ❤️ New Contributors * @sevenc-nanashi made their first contribution in [#7487](#7487) * @taearls made their first contribution in [#6890](#6890) Co-authored-by: shulaoda <[email protected]>
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Clarified the behavior described in #6910 and #5715.