./packages/core/parcel/README.md
Détail du package
parcel
Blazing fast, zero configuration web application bundler
readme
changelog
Changelog
All notable changes to Parcel will be documented in this file.
The format is based on Keep a Changelog and Parcel adheres to Semantic Versioning.
[2.14.4] - 2025-03-29
Fixed
Core
- Fix duplicate bundles error message – Details
JavaScript
[2.14.3] - 2025-03-28
Fixed
- JavaScript
- Updated to React 19.1, which enables Server Components to be used with stable React instead of only canary – Details
[2.14.2] - 2025-03-23
Fixed
Core
JavaScript
REPL
- Fix error overlay resolution in REPL – Details
create-parcel
[2.14.1] - 2025-03-19
Fixed
- Resolver
- Fix resolving package self references – Details
[2.14.0] - 2025-03-18
Added
Core
- Add a CLI to create new Parcel apps – Details
JavaScript
- React Server Components – Details, Details, Details, Details, Details
- Add RSC-based static site generator – Details
- First-class MDX support – Details
- Merge React Refresh runtime and transformer – Details
- Modernize React error overlay – Details
- Support bundling node native modules – Details
- Use import maps for bundle manifest – Details
Dev Server
Fixed
- Core
[2.13.3] - 2024-12-16
Fixed
- Resolver
- Ignore invalid package.json fields – Details
[2.13.2] - 2024-11-25
Fixed
JavaScript
- Fix HMR when asset is duplicated between multiple bundles – Details
SASS
- Fix SASS resolution with non
file:
URLs – Details
- Fix SASS resolution with non
[2.13.1] - 2024-11-24
Fixed
JavaScript
SASS
- Fix SASS resolution rules for modern API – Details
[2.13.0] - 2024-11-12
Added
Fixed
Core
- Remove abortcontroller-polyfill – Details
- Fix missing content key in symbol propagation when asset is removed – Details
- Update minimum supported node version to 16 – Details
- Ensure the snapshot directory matches the watch dir – Details
- Add parcel version to PluginOptions – Details
- Fix possible race condition in the caching of request graph – Details
- Ensure empty extended config throws a diagnostic – Details
- Ensure Asset public ids are assigned deterministically – Details
- Directories ignored by watcher should be relative to the watch directory – Details
- Fix request tracker incremental cache write for new nodes – Details
- Improve request graph cache reading – Details
- Exit process with error code when reporters fail – Details
- Write tmp files to the OS tmp directory - Details
- Fix small HMR issues – Details
- Fix crash in EntryRequest with multiple globs in the source field – Details
- Revert split manifest runtime bundles – Details
- Revert chunked cache blobs for improved stability – Details
- Update dependencies – Details
Bundler
- Fix assets outside project root with Manual Shared Bundles – Details
JavaScript
- Avoid non-identifier export names in non-entry library bundles – Details
- Relax react-refresh version range – Details
- Also emit swc recoverable errors – Details
- Bump swc – Details, Details, Details, Details
- Bump swc and browserslist-rs – Details
- Replace std::sync locks with parking_lot locks for better stability – Details
- Ensure const modules in async bundles are wrapped – Details
- Fix dev packager global reference – Details
- Fix import usage tracking for destructure defaulting – Details
- Update Node.js globals replacer to use SWC VisitMut – Details
- Update
process.env
replacer to use SWC VisitMut – Details - Update Node.js
__filename
and__dirname
replace to use SWC VisitMut – Details - Fix parcelRequire being added to multi-target libraries – Details
- Handle TypeScript expressions in macro evaluator – Details
Resolver
TypeScript
SASS
- Migrate to new sass API – Details
SVG
Image
- Bump oxipng – Details
Vue
- Upgrade consolidate to v1 – Details
Web Extensions
- Allow both service_worker and scripts in MV3 Web Extensions – Details
[2.12.0] - 2024-02-28
Added
Core
JavaScript
CSS
- Use lightningcss to implement CSS packager – Details
Bundler
- Rename "parentAsset" to "root" for Manual Shared Bundle config and remove unstable prefix – Details
Web Extensions
- Add content script world property to manifest schema validation – Details
Performance
Fixed
Core
JavaScript
- Remove decl_collector pass and use SWC's unresolved_mark instead – Details
Bundler
Unstable
- Add source map support to the inline-require optimizer – Details
[2.11.0] - 2023-12-19
Added
Dev
Fixed
Dev
- Increase threshold for showing progress bar to 500k nodes Details
- Fix parcel-query Details
- FIX[dev-server]: Fix html file matching from URL Details
- Fix parcel query's inspect cache Details
- Bug fix for exiting early when identifying requestGraph in loadGraphs Details
- Fix HMR on .localhost domains Details
- Modify parcel query to not require all graphs on startup Details
- Bug fix for async Parcel-query Details
- Remove reliance on requestTracker in loadGraphs Details
Core
- Reduce redundancy in the RequestGraph's Request, Env, and Option nodes Details
- Move registerCoreWithSerializer to its own file Details
- Filter --expose-gc and --max-semi-space-size execArgv Node args from workers Details
- Optimize Symbol Propagation (propagateSymbolsUp) Details
- Convert Request Graph node types + request node requestTypes to numbers Details
- fsFixture: ignore empty lines in fixtures Details
- Unstable File Invalidations Details
- Configurable watch root Details
Resolver
- Add ~ and / support to the glob resolver Details
JavaScript
- Bump swc Details
- Bumping lightningcss to 1.22.1 Details
- Fix CI Details
- Change inline-requires to only run when optimizing Details
- Fix tsconfig extends from node_modules Details
- Bump some deps Details
- Bump swc and napi-rs Details
- Fix references to packages.atlassian.com Details
- Fix build-ts step Details
- Bump rimraf version to ^5.05 Details
- Use centos image with newer Node 16 Details
[2.10.3] - 2023-11-14
Added
Fixed
Core
- Mark previously deferred assets as dirty for symbol prop - Details
- Write bundle graph to cache if error occurs during bundling - Details
- Fixing issues when
import * as
is used withexport *
- Details - Writing cache in chunks - Details
- Reduce redundancy in the RequestGraph's file nodes - Details
- Fix dependency retargeting with ambiguous reexports - Details
JavaScript
- Fixing behavior for
hasOwnProperty
in modules exporting member with same name - Details
- Fixing behavior for
WebbExtension
- Don't crash if WebExt has no content_scripts - Details
PostHTML, Pug, Stylus
- Simplified calls to
invalidateOnFileChange
- Details
- Simplified calls to
[2.10.2] - 2023-11-01
Fixed
Core
- Use clz32 for counting trailing zeroes – Details
JavaScript
- Do not wrap duplicated assets when they are in different targets – Details
[2.10.1] – 2023-10-23
Fixed
Core
Bundler
JavaScript
Unstable
Bundler
[2.10.0] – 2023-10-11
Added
Core
- Add support for include and exclude globs for
--lazy
mode – Details, Details - Merge all native Rust modules into one package – Details
- Add async resolver and JS transformer functions using rayon – Details
- Support "register" tools in module loader (e.g.
@babel/register
,esbuild-register
,ts-node
) – Details - Limit default number of JS workers to 4 to improve memory usage/performance – Details
- Add support for include and exclude globs for
Bundler
Resolver
JavaScript
CSS
- Add include and exclude globs for CSS modules – Details
WASM
- Add WASM packager with source map support – Details
XML
- Transform xml-stylesheet processing instructions – Details
Web Extensions
Web Manifest
- Add support for icons in file_handlers – Details
Fixed
Core
- Query glibc version only once to speed up JSTransformer on Linux – Details
- Refresh cache before writing contents to bundle – Details
- Fix
--lazy
mode bugs – Details - Ignore no-opt command line option – Details
- Bump lmdb – Details
- Don't hide error when diagnostic is malformed – Details
- Don't autoinstall local files in package manager – Details
- Fix bug with cache and glob entries – Details
JavaScript
- Migrate to swc_core – Details
- Move ESM loader runtime to absolute URLs – Details
- Fix duplicate asset references – Details
- Bump swc – Details, Details, Details
- Fix shorthand identifier import usage – Details
- Ensure nested member expressions are marked used in dev mode – Details
- Set ascii_only for swc emit – Details
- Add tests for non-identifier symbol names – Details
Bundler
Images
- Bump oxipng from 6.0.0 -> 8.0.0 – Details
Sass
- Fix sass import edge case – Details
Dev Server
- Fix index page loading in dev server when bundle type isn't html – Details
Unstable
Core
- Expose unstable_transform and unstable_resolve APIs – Details
Bundler
- Add unstable manual shared bundles config – Details
JavaScript
[2.9.3] – 2023-06-24
Fixed
Resolver
- Fix the development and production package conditions – Details
JavaScript
- Update SWC to fix generics in JSX elements – Details
[2.9.2] - 2023-06-08
Fixed
Core
JavaScript
- Treat re-exports of
*
from empty files withsideEffects: false
as ESM – Details
- Treat re-exports of
CSS
- Fix self references error in CSS module JS assets causing "Bundle group cannot have more than one entry bundle of the same type" – Details
Dev server
- Serve folder's index when requesting folder without slash – Details
Web extensions
- Allow source maps files in webextension – Details
Image
- Add core as peerdep to image optimizer – Details
[2.9.1] - 2023-06-07
Fixed
- Resolver
[2.9.0] - 2023-05-26
Added
Core
- Add support for ESM plugins and configs – Details
- Add support for local parcel plugins – Details
- Incremental Symbol Propagation for improved performance and improved export errors in development – Details
- Add support for plugin tracing, which shows where time is being spent during a Parcel build – Details
- Support
.proxyrc.cjs
config files – Details - Add support for
loadConfig
function to resolver plugins – Details
Resolver
- New resolver implementation in Rust supporting package.json "exports" and "imports", and tsconfig.json "baseUrl", "paths", and "moduleSuffixes" – Details
JavaScript
Bundler
- Use BitSet for bundler intersections for improved performance – Details
Web Extensions
- Add support for
chrome_style
field – Details
- Add support for
Fixed
Core
- Improve error message when bundles do not have unique file names – Details
- Bump napi-rs to latest – Details, Details
- Fix pnpm autoinstall – Details
- Fix "does not exports" error for multiple assets returned by transformers – Details
- Remove v8-compile-cache – Details
- Update fast-glob – Details
- Update lmdb – Details
- Fixup DiagnosticCodeHighlight and SourceLocation columns – Details
- Bump
fastest-levenshtein
andxmldom
dependencies – Details
JavaScript
- Sort global deps before injecting imports to reduce cache invalidations – Details
- Only add export setter for non-ESM exports – Details
- Bump SWC – Details, Details, Details, Details, Details
- Deduplicate imports in hoist transformer – Details
- Allow buffer polyfill v5 or v6 – Details
- Fix packaging of synchronous reused bundles – Details
- Support eslint ^7.0.0 in
@parcel/validator-eslint
– Details - Improve
inlineEnvironment
performance – Details - Hoist exports to allow circular dependencies – Details
TypeScript
- Throw diagnostics as error on empty emit - Details
CSS
- Sort CSS module exports to reduce cache invalidations – Details
Bundler
Dev server
Elm
- Fix error when formatting build errors – Details
[2.8.3] - 2023-01-18
- Core
- filter out title execArgv to workers – Details
- Bundler
- JavaScript
- Don't retarget dependencies if a symbol is imported multiple times with different local names – Details
- Fix assigning to
this
in CommonJS – Details - Bump SWC to fix dead branch removal bug – [Details](https://github.com/parcel-bundler/parcel/pull/8742
- Bump swc to fix sourcemaps with Windows line endings – Details
- Add test cases for ESM initialization problems – Details
- TypeScript
- Fix TSC sourcemaps metadata – Details
- HTML
- Fix
srcset
parsing – Details
- Fix
- Dev server
[2.8.2] - 2022-12-14
- Core
- Ensure maxListeners for process.stdout accounts for workers – Details
- JavaScript
[2.8.1] - 2022-12-07
Fixed
- Core
- fix: remove @parcel/utils dep in @parcel/graph – Details
- JavaScript
- TypeScript
- Make ts-types transformer work with TS >= 4.8 – Details
- Web manifest
- Parse shortcut icons in web app manifests – Details
- SVG
- Fix transformer-svg-react not finding
.svgrrc
– Details
- Fix transformer-svg-react not finding
[2.8.0] - 2022-11-09
Added
- Core
- Code splitting across reexports using symbol data by splitting dependencies – Details
- Update without bundling for non-dependency related changes – Details
- Improve performance of incremental bundling – Details
- Only serialize and send shared references to workers that need them – Details
- Improve performance of HMR by not waiting for packaging – Details
- JavaScript
- SVG
- Generate typescript for SVGs when using svgr and typescript option – Details
- Bundler
- Move experimental bundler to default – Details
Fixed
- Core
- Fix verbose warning: reexport all doesn't include default – Details
- Support multiple edge types in Graph.hasEdge – Details
- Ensure edge exists before removal in Graph.removeEdge – Details
- Disable splitting dependencies on symbols for non-scope hoisted bundles – Details
- Fix TypeScript definitions for Parcel config API – Details
- Use traverseAssets in packager to improve performance – Details
- Make uniqueKey undefined by default – Details
- Catch uncaught promise build abort race – Details
- Bump parcel dependencies – Details
- JavaScript
- Bump SWC - Details, Details
- Fix Chrome Android browserslist support check – Details
- Fix CommonJS symbol collection without scope hoisting – Details
- Make React Refresh debounce call on the leading edge – Details
- Retain correct dependency order between imports and reexports without scopehoisting – Details
- Bundler
- Dev server
- Include
Content-Length
header in HEAD requests – Details
- Include
- Vue
- Image
- Upgrade sharp – Details
- TypeScript
- Allow configuring module resolution – Details
- Web extensions
- Fix service worker packaging in web extensions – Details
[2.7.0] - 2022-08-03
Added
- Core
- JavaScript
- Elm
- Add support for compiling multiple modules at once via
with
query param - Details
- Add support for compiling multiple modules at once via
- CSS
- Add support for
errorRecovery
option in@parcel/transformer-css
- Details
- Add support for
- Experimental bundler - Details
- Implement bundling for multiple targets
- Internalize async dependencies
- Merge bundles of the same type
- Fix missing module - Details
Fixed
- JavaScript
- Default interop missing when importing a CommonJS module - Details
- Add missing imports for external dependencies in skipped assets - Details
- Bump SWC to fix undefined variables - Details
- Remove charset from JS loaded script to avoid double fetching in Firefox - Details
- Use placeholder expression when replacing unused symbols - Details
- Core
- Dependencies
[2.6.2] - 2022-06-21
Fixed
- Core
- Fix race condition between writing and reading from cache - Details
[2.6.1] - 2022-06-17
Fixed
- JavaScript
- Fix issue with conditional dependencies based on
process.env
- Details - Fix transformation of import/requires wrapped into
Promise.resolve()
- Details - Fix object literal shorthand with imported variables - Details
- Fix imported values in computed optional member expressions - Details
- Bump SWC to fix issue with missing parenthesis in optional chaining call - Details
- Bump SWC to fix helper imports in Node ESM libraries - Details
- Fix issue with conditional dependencies based on
- Resolution
- Web Extensions
- Dev Server
- Fix browser caching issues with dev server - Details
- TypeScript
- Fix path separators on Windows - Details
- CSS
- Bump Parcel CSS to fix issues with
libc
field in package.json - Details
- Bump Parcel CSS to fix issues with
- Core
[2.6.0] - 2022-05-25
Added
- Add React error overlay to display pretty runtime errors like Create React App - Details
- Support for source maps in HMR updates - Details
- Support for scoping variables in CSS modules - Details
- Support for custom CSS modules naming patterns - Details
- Support for node_modules packages in
@parcel/resolver-glob
- Details - Add support for defining
compilerOptions
in Vue config - Details - Add support for Vue 3
<script setup>
- Details - Add support for gif, tiff, avif, heic, and heif images in
@parcel/transformer-image
- Details - Add support for animated images (i.e. gifs, webp, etc.) in
@parcel/transformer-image
- Details - Support for missing fields in web extensions manifest v3 - Details, Details
- Improve elm compiler error output - Details
- Support for
useDefineForClassFields
option intsconfig.json
- Details - Add
--hmr-host
CLI option to set HMR host independently from dev server - Details
Fixed
- Update lmdb-js. Fixes Node 18 support - Details, Details
- Update napi-rs to v2 - Details
- Fix SWC targets for older browsers - Details
- Add SWC error handler to fix panic during transpilation - Details
- Update SWC. Fixes issue with
Symbol.toStringTag
- Details - Bump SWC to fix spreads of imported symbols - Details
- Correctly emit warnings for unnecessary PostCSS plugins in package.json - Details
- Fix typo in error message - Details
- Remove duplicate values in graph APIs when getting connected node ids - Details
- Fix Pug support in Vue files - Details
- Fix
export declare
syntax in generated TypeScript definitions - Details - Preserve correct
this
for named/default imports - Details - Fix hoisting for optional chaining member expressions - Details
- Fix issues with web extensions - Details
- Reload the closest package.json to an asset if it's a package entry to fix
sideEffects
- Details - Only emit non static import bailout warnings for variables which correspond to a * import - Details
[2.5.0] - 2022-04-21
Added
- Add support for Web Extension manifest v3 - Details
- Rewrite
__dirname
and__filename
to refer to the original path when building for Node.js targets - Details - Generate codeframe positions for JSON5 - Details
- Add
$schema
support in web extension manifest - Details - Add support for
in
expressions withprocess.env
, e.g.'foo' in process.env
- Details
Fixed
- Updated SWC. - Details + Details
- Update Parcel CSS to v1.8.1 - Details + Details
- Fix diagnostic message - Details
- Disable react refresh for library targets. Fixes "Asset was skipped or not found" error. - Details
- Don't process inline
<style>
elements as CSS modules - Details - Fix issue with multiple images in
srcset
attribute - Details - Fix peer dependencies - Details + Details
- Scope hoisting: Fix wrapping when any ancestor asset is wrapped - Details
- Scope hoisting: Don't insert unused requires that aren't registered anywhere - Details
- Scope hoisting: Fix wrapped assets importing their own namespace - Details
- Fix issues with resolving symbols - Details
- Fix loading
.env
files when entries are specified using"source"
field in package.json - Details - Correctly remove orphaned non-tree subgraphs - Details
[2.4.1] - 2022-03-31
Fixed
- Fix
:export
in CSS modules - Don't remove unused classes or
@keyframes
when a CSS module is processed by postcss - Fix bundling issue with CSS modules where unintended side effects from a different page could be run
- Fix crash with CSS in multiple environments
- Update Parcel CSS. Fixes issues with
::-webkit-scrollbar
, list styles in CSS modules,@-moz-document
, and more. See release notes. - Update SWC. Fixes an issue with parenthesized expressions following a return statement.
[2.4.0] - 2022-03-22
Added
- Replace default CSS transformer and minifier with
@parcel/css
- Details - Replace
typeof
before dead code elimination to improve bundle size - Details - Human readable file size in bundle analyzer report - Details
- Improve emoji support detection - Details
- Enable parsing static class initialization blocks - Details
- Use
PORT
environment variable from.env
files - Details - Use new react-jsx transform in React 16.14.0 - Details
- Use relative path for bundle labels in bundle analysis - Details
- Load dynamic imports at higher network priority in non-ESM builds - Details
Fixed
- Pin lmdb to 2.2.3 - Details
- Prevent term-size from being bundled - Details
- Fix cache when non-ascii chars are used in path - Details
- Bump SWC. Fixes issue with
String
constructor. - Details - Fix DCE with PURE comments - Details
- Escape double quote of url value in CSS
url()
- Details - Fix documentation comment in API - Details
- Fix package.json
source
field resolution with pnpm - Details - Fix
errors.map is not a function
- Details
[2.3.1] - 2022-02-09
Fixed
- Add diagnostic for failed autoinstall of node polyfill - Details
[2.3.0] - 2022-02-09
Added
- Reduce the number of npm dependencies needed by parcel Details
- Support React 18 prereleases and experimental versions with automatic JSX runtime - Details
Fixed
- Fix
@swc/helpers
in non-module scripts - Details - Fix auto installing dependencies in PNPM monorepos - Details
[2.2.1] - 2022-01-17
Fixed
- Fix background image data urls missing quotes - Details
- Fix development builds not downleveling nested selectors with
@parcel/css
. Now Parcel has default modern browser targets. - Details - Upgrades htmlnano to v2 to remove uncss which had a dependency on a vulnerable old version of PostCSS - Details
- Upgrades postcss-modules and removes css-module-loader-core with old PostCSS dependencies - Details
- Upgrade Vue compiler - Details
- Upgrade SVGR to v6 - Details
- Upgrade JSON5 to v2 - Details
- Don't discard invalidations when transformer throws an error - Details
[2.2.0] - 2022-01-12
Added
- New
@parcel/transformer-css-experimental
plugin, which is powered by @parcel/css - Details
Fixed
- Updated
node-forge
to 1.0.0 to fix security vulnerability
[2.1.1] - 2022-01-06
Fixed
- Do not transpile @swc/helpers. Fixes infinite recursion in typeof helper. - Details
- Include invalidation hash in asset content keys - Details
- Fix loading index.html in dev server when packager/optimizer changes bundle type - Details
[2.1.0] - 2022-01-05
Added
- Enable transpiling node_modules by default - Details
- Rewrite core graph data structure to be backed by SharedArrayBuffer - Details
- Statically analyze symbols and enable deferred compilation of re-exported modules in development - Details
- Store large blobs as separate files in the cache rather than in LMDB - Details
- Add
@parcel/optimizer-css
for new work in progress CSS minifier - Details - Add
@parcel/bundler-experimental
, a much faster work in progress rewrite of Parcel's bundling algorithm - Details - Support
href
attribute in SVG<image>
tags within HTML - Details - Throw diagnostic with code frame when loading JSON5 configs - Details
Fixed
- Fix HMR behavior with CSS Modules - Details
- Fix HMR full page reload when not accepted - Details
- Fix HMR when an asset has multiple ancestries - Details
- Fix source maps in
@parcel/transformer-typescript-tsc
- Details - Fix TypeScript module augmentation in
@parcel/transformers-typescript-types
- Details - Fix TypeScript type generation when tsconfig's "incremental" option is true - Details
- Fix
createImportSpecifier
with TypeScript 4.5+ - Details - Fix error on re-exported type when building TypeScript definitions - Details
- Fix error when displaying "does not export" errors - Details
- Ensure "does not export" error is shown during cached builds - Details
- Fix glob matching in package.json
"sideEffects"
field - Details - Fix
semver
dependency version range - Details - Do not error on external Node builtins in libraries - Details
- Reject browser js loader promise with
Error
object - Details - Show diagnostics for Elm compiler errors - Details
- Don't fail build on empty dependency attributes in HTML - Details
- Fix require statements with plain template literals - Details
- Update
lmdb-store
to v2 - Details - Bump swc - Details
- Correctly pad numbers in
@parcel/hash
browser polyfill - Details - Upstream some changes from the REPL - Details
- Allow empty string in TOML config - Details
- Make
BundleGraph#getReferencedBundle
faster - Details - Workaround segfault with old glibc versions on CentOS 7 - Details
- Use modern JSX runtime when React is aliased to Preact - Details
- Fix React version check when dependency is a URL - Details
- Sync peer dependency versions when releasing Parcel - Details
- Fix Tailwind in SASS - Details
- Don't run Gzip and Brotli compressors in development - Details
- Use level 9 Zlib compression by default - Details
[2.0.1] - 2021-11-08
Fixed
- Don't load PostCSS and PostHTML config when inside node_modules - Details
- Fix unknown language in Vue templates with external scripts/styles - Details
- Fix "Callback must be a function" error when auto installing - Details
- Fix issue with named imports and object properties of the same name - Details and follow up
- Bump SWC - Details
- Fix issue with
@tailwindcss/forms
and PostCSS nodes missing asource
property - Details - Fix issue with ESM default interop and
new
expressions - Details - Support
.yml
for YAML files, in addition to.yaml
- Details - Log warning instead of crash if image optimizer fails - Details
- Add missing dependency to
@parcel/config-webextension
- Details - Update package.json to include the repository - Details
- Fix serve mode with target override and target source fields Details
- Improve performance of webpack loader detection, which affected large data urls - Details
- Update SWC to properly retain
this
context - Details - Sync
engines.parcel
with core version when releasing nightlies - Details - Fix export in TypeScript type definitions for
@parcel/core
- Details - Add missing dependency on
@parcel/diagnostic
to@parcel/transformer-typescript-types
- Details - Resolve GLSL relative to the importer, not the asset - Details
Experiments
- Update esbuild dependency in
@parcel/optimizer-esbuild
plugin - Details - Add experimental
@parcel/optimizer-swc
plugin - Details
[2.0.0] - 2021-10-13
See the blog post.
[1.12.3] - 2019-03-20
- Downgrade all internal Babel packages to
<7.4.0
because of bugs in that release.
[1.12.2] - 2019-03-13
- Fix depth option for detailed report
[1.12.1] - 2019-03-12
Fixed
- Correctly build dependency URLs (for CSS) Details
- Fix bug with original null mappings Details
- Regenerate all bundles and trigger an HMR page reload when a new bundle is created Details
- Unescaped "." in regex for JSAsset Details
- Open the specified host Details
[1.12.0] - 2019-03-06
Added
- CSS/Sass/LESS sourcemaps Details
- Add Markdown support Details
- Unhandled HMR updates should cause a page reload Details
- Enables jsx plugin in case jsx syntax is used in js files Details
- Add disabling of autoinstall globally via environment variable Details
- Add support for
chrome-extension://
protocol to bundle-url.js Details - Add support for Firefox's 'moz-extension://' protocol, to bundle-url.js Details
- Generate source map files with long extensions (e.g. .js.map) Details
- upgrade htmlnano dep Details
- Default port to process.env.PORT Details
- Inline process.browser for better code elimination Details
- Detect files added to/removed from directories. Details
- Implement depth option for detailed report Details
Fixed
- Resolve package.browser in subfolders (with backslashes) Details
- fix chokidar ignored regex Details
- Defer throwing asset errors until after dependencies are handled. Details
- fix(sourcemaps): Handle null mappings properly Details
- Use Buffer.from Details
- addURLDependency: use always relative path Details
- reexporting + renaming when scopehoisting Details
- Fix and re-enable windows scope-hoisting tests Details
- Fix for typescript asset invalidation Details
- Fix hang up when a lot of parallel operation request the file system Details
- Fix localRequire with package/path requests Details
- Refactor htmlnano tests to test for filesize Details
- pug Deprecated pretty Details
- Fix pug test Details
- Use the test to assert this.child.killed rather than checking time difference Details
- Improve tests: symlink tests, Kotlin tests, and maybe test-util module Details
- Handle empty html files Details
- Fix HTMLAsset dependency tag with empty src value Details
- Allow dotfiles to be served Details
- Fix sourceMappingURL for bundles with multiple entry points Details
- Fix absolute path importing in sass Details
- Fix dependency list parsing in RustAsset for paths on Windows Details
- For scope hoisting, Asset IDs cannot contain + or / (base64) Details
- Send CORS headers when a file does not exist Details
- Prevent circular deps from causing a stack overflow in HMR runtime Details
- Fix postcss modules composes imports Details
- fix: set default pragmaFrag option for JSX Details
- Remove unnecessary return await Details
- Fix scopehositing with nested dynamic imports Details
- eslint: enable no-return-await Details
- Throw meaningful error on undefined exports Details
- Add helpful plugin errors Details
- Fix HMR failure with js error on load Details
[1.11.0] - 2018-12-18
Added
- Add Kotlin asset support Details
- Add --host option Details
- Add support for HMR with elm-hot Details
- Log dev server access for log level verbose or more Details
- Process array of assets for JSON-LD Details
- Extract workerfarm into separate package Details
- Extract Logger into its own package Details
- Extract watcher into its own package Details
- Merge fs-watcher-child into Parcel's monorepo Details
Fixed
- Use this.write and super.end for JSPackager Details
- Make dynamic import name relative to the file importing it Details
- update postcss and deps Details
- catch css file not found Details
- Treat webmanifest as an entry module Details
- add debugger flag for non production builds in Elm Details
- refactor: JSON.stringify replacer can not be boolean Details
- Fix debug log files for certain locales Details
- Scope hoisting renaming after babel transforms Details
- Switch from toml to @iarna/toml Details
- Update deasync to 0.1.14 (Node 11 fix) Details
- Skip external imports from processing Details
- Don't lowercase attributes in html files Details
- refactor: remove unnecessary not null check Details
- Don't cache dynamic bundles that had a network error Details
- Treeshake functions properly Details
- Fix autoinstall of cssnano Details
- Fix server when there is a dot in the path Details
[1.10.3] - 2018-10-11
Fixed
- Don't dedupe assets that are depended on in more than one bundle Details
[1.10.2] - 2018-10-06
Added
- Add
<image>
as a valid element type to bundle in<svg>
tags Details - Resolving
.postcssrc.json
as a PostCSS config Details - Add loaders when bundling workers Details
Fixed
- Fix hoist of modules with multiple aliases Details
- Fix hoisting of optional require calls Details
- Fix safari 10 compatibility for terser Details
- Fix HMR for Pug assets Details
- Don't load existing sourcemaps if sourcemaps are disabled Details
- add missing --no-autoinstall flag to build command Details
[1.10.1] - 2018-09-26
Fixed
- Fix error when node.id is undefined instead of null
[1.10.0] - 2018-09-25
Added
- Babel 7 support Details
- HTML Bundle loader Details
- Process inline scripts and styles Details
- Added LD+JSON asset Details
- Add support for Elm assets Details
- Support optionally bundling node_modules for
--target=node
Details - Import existing sourcemaps Details
- Import GraphQL files from other GraphQL files Details
- Automatically strip flow types Details
- SugarSS Support Details
- Minimal verbose/debug mode Details
- User friendly error on failed entrypoint resolving Details
- Support for SharedWorkers Details
- Add Object Spread to default Babel transforms Details
- Update help message for
--public-url
Details - Support HTML5 history mode routing Details
- Split cache into multiple folders for faster FS Details
- Support array in package.json's sideEffects property Details
- Added stub for require.cache Details
- Added dotenv-expand to expand env vars Details
- Update Typescript to v3.0.0 Details
- Add
--no-content-hash
option to build cli Details
Fixed
- Exit process on Error Details
- Fix non updating asset hashes Details
- Fix Sass url resolving Details
- WorkerFarm Cleanup Details
- Fix infinite loop in resolver when using
~/...
imports Details - Default to Dart-Sass and add backwards compatibility for node-sass Details
- Validate if a PostCSS config is an object Details
- VSCode syntax highlight with PostCSS in Vue Component style tag Details
- Glob support in less imports Details
- Generate unique certificate serial number Details
- Keep name in sourcemaps mappings Details
- Replace slack with spectrum badge Details
- Use esnext with typescript and scope hoisting Details
- Fix sourcemaps failing on refresh/hmr Details
- Support sideEffect: false with CommonJS Details
- Get only existing package main Details
- Load minified built-in if available Details
- Support error strings in workers Details
- Terminate workerfarm when using the API Details
- Fix comment typo Details
- Fix dotenv package error Details
- Don't resolve slash and tilde paths twice Details
- bundle name hash-key generation is not environment independent Details
- Don't modify script nodes with text/html type Details
- Fix various windows bugs & tests Details
- Cross-platform deterministic asset ids Details
- allow empty string in meta Details
- fixed watch not working when NODE_ENV is production Details
- Incorrect casing for Logger require Details
- fix security vuln Details
- Remove wasm-gc from RustAsset Details
[1.9.7] - 2018-07-15
Fixed
- Fix nested async imports from a shared module Details
- Prevent nameclashes with internal variables with tree shaking Details
[1.9.6] - 2018-07-11
Fixed
- Fix ora spinner in CI environments Details
[1.9.5] - 2018-07-11
Added
- Use fast-glob Details
- Use user installation of
cssnano
Details - Upgrade to cssnano v4 Details
- Logger improvements Details
- Watch PostHTML plugins dependencies Details
- Add support for node 10 Details
- Workerfarm improvements Details
- Use minify prelude only minify option Details
- Deterministic asset ids Details
Fixed
- JSPackager deduplication now accounts for differences in absolute dependency paths Details
- Fix worker bundle hoisting Details
- Prioritize browser field over module Details
- Fix aliasing of folder relative to project folder Details
- Only watch directories on macOS Details
- Fix generating names when outside of the entry directory Details
- Handle invalidating cache if dependency is a glob Details
- Fix import deep wildcards with tree-shaking Details
- Fix tree-shaking named import on wrapped module Details
- Fix circular deps in isolated bundles (e.g. workers) Details
- Fix tree-shaking wildcards with sideEffects: false Details
- Fix 'buildStart' event is not firing Details
[1.9.4] - 2018-07-01
Added
- Upgrade Typescript to 2.9 Details
- Upgrade DEFAULT_ENGINES node to Node 8 Details
- Add a buildError event to bundler Details
- Use process.env.PARCEL_MAX_CONCURRENT_CALLS environment variable Details
Fixed
- Fix Sass dependencies can not be watched when includePaths is a relative path Details
- Replaced fwd slashes with backslashes for win to fix sass deps watch Details
- Fix sourcemap file size in report Details
- fix build not exiting in dev env Details
- Prevent postcss-modules plugin config from being deleted after first run Details
[1.9.3] - 2018-06-24
Fixed
- Set user provided NODE_ENV if provided with build command Details
- Fix bugs related to watching symlinks Details
- add cache-dir option to cli Details
- Fix tree-shaking DCE Details
- Fix writing hashed bundle names to the cache Details
[1.9.2] - 2018-06-18
Fixed
- Fix unintended Vue asset supplemental code insertion Details
- fix 'Cannot read property 'posthtml' of null Details
[1.9.1] - 2018-06-16
Fixed
- fix relative paths being the same as node modules Details
- Fix ES6 re-export of CommonJS modules with tree shaking Details
[1.9.0] - 2018-06-14
Added
- Tree shaking + scope hoisting for ES6 and CommonJS modules Details
- Put filewatcher in a worker, for better stability and performance Details
- Cache resolved paths of dependencies Details
- Custom less filemanager Details
- support for sass specific import syntax Details
- Allow --https for watch Details
- Fix browser entry-point resolution Details
- Use config.locals to render pug template Details
- Use async modules when possibles Details
- Add a bundlestart event Details
- Add unit tests for line counter Details
- Use async FS in tests Details
- Use async fs on new linecounter tests Details
- Make CSS assets async Details
- Enable posthtml-parse options in posthtmlrc Details
- Enforce Prettier (check if prettier is run in lint script) Details
- Add support for Cargo workspaces in Rust integration Details
- Surface Bundler error to browser Details
- Programmatically pass env vars as a whitelist Details
Fixed
- Fix bundle hoisting when asset is already in the common bundle Details
- Only resolve env vars on bundling when --target=browser Details
- improve the time reported by the bundler Details
- clear console before accepting updates, not after Details
- Lookup correct generated output for bundle type in RawPackager Details
- Remove extra argument passed to addAssetToBundle in JSPackager Details
- Fix indented syntax type for single file vue components Details
- Fix Vue asset supplemental code concatenation Details
- Add dependencies referenced by posthtml-include Details
- node-sass accepts importer as single function or array of functions Details
- Get mtime of folder on wildcard imports Details
- Fix vue test Details
- Fix absolute and tilde paths for url dependencies Details
- Fix failing appveyor test Details
- Fix worker environment variable Details
- Add
test/dist
to .prettierignore Details - Fix typo in uglify.js Details
- Pass compiler of @vue/component-compiler-utils to parser. Details
- Fix package.json configs Details
- change Uglify to Terser Details
Removed
- Don’t pass package.json and options over IPC Details
[1.8.1] - 2018-05-04
Fixed
- Loading modules with AMD Defines Details
[1.8.0] - 2018-05-03
Added
- Add support for multiple entry points Details
- Support source field in package.json to enable babel on symlinked modules Details
- Expose modules as UMD Details
- Use parcel's resolver for sass imports Details
- Update default browser engines to > 0.25% marketshare Details
- Ignore dependencies in falsy branches Details
- Clear the console in browser on each HMR Details
- Watch directories instead of individual files to fix EMFILE errors Details
Fixed
- Prevent build from breaking when .scss file is empty Details
- Handle empty config files Details
- Update dependency with security vuln Details
- Minor change to mkHandle in workerfarm Details
- Don't start server if target isn't browser Details
- Let worker return early instead of throw on unknown messages Details
- change default behaviour to keep default values of HTML form elements Details
- Fix autoinstall infinite loop Details
- Allow spaces in filenames Details
- Update deps Details
- Fix reference pass error in package config Details
- Remove
eval
usage. Fixes CSP cases. Details - Remove jsnext:main Details
- fix for outFile option; respect file-extension Details
[1.7.1] - 2018-04-15
Fixed
- Fix scoped plugin packages Details
- Fix writing files in subfolders inside dist directory Details
- Update addBundleLoader to accept multiple targets Details
- Fix sourcemap reference in JS output Details
- Sourcemap sourceRoot Details
- Fix serving files with query params Details
- Give priority to styl files in StylusAsset resolver Details
- Bump dependencies Details
- Fix asset size always be zero when building vue project Detailds
- Custom workerfarm, BI-Directional IPC - run all npm/yarn installs on the main process Details
[1.7.0] - 2018-03-28
Added
- Add
.vue
file support Details - New faster resolver supporting absolute and tilde paths, and aliases Details
- Content hash output file names in production Details
- Automatically install missing dependencies that you
require
in your code Details - Production sourcemaps support via uglify Details
- Add Pug and Jade support Details
- Add GLSL assets support Details
- Add overlay for build errors when using HMR Details
- Implement pipelines to compose multiple asset types together Details
- Add --hmr-port and --hmr-hostname options to parcel watch Details
- Add support for specifying SSL certificate & key Details
- Allow specifying which browser to open with
--open
option Details - Add
data
config option so it is possible to include global scss variables Details - Add
--log-level
option Details - Add support for data attr of object element Details
- Add useBuiltIns babel-preset-env option Details
- Support code splitting and loading WASM with --target=node Details
Fixed
- Fix hmr runtime error Details
- Add server reference to bundler Details
- Fix error when no "targets" options in .babelrc Details
- Refactor prettifySize Details
- Fix property descriptor of config.internal in transforms/babel.js Details
- only transform safe cssnano minifiers Details
- fix electron hmr bug Details
- Fix HMR hostname in browser Details
- Fix srcset not working for
source
element Details - Update htmlnano Details
- Fix svg dependencies not being found when using minification Details
- Set TypeScript option esModuleInterop to true by default Details
- HTML bundle serving bug Details
- Change default public-url to / Details
- Make --help same as help command Details
- Make -h same as help command Details
- Close hmr server when HMRServer.stop() is called Details
- Fix methods of LazyPromise Details
- Ignore require if it is defined as a local variable Details
- Check browserslist prop in package.json for environments Details
[1.6.2] - 2018-02-19
Added
Fixed
- Fix babel handling for node: DEFAULT_ENGINES Details
- Remove unnecessary files from npm Details
- Use babel-register for tests only with node < 8 Details
- remove call to window.location Details
[1.6.1] - 2018-02-15
Fixed
- Update HMRServer handleSocketError for ErrorEvent Details
[1.6.0] - 2018-02-15
Added
- Automatically transpile dependencies with babel-preset-env Details
- Add no-config support for jsx Details
- Add "--target=node" and "--target=electron" option to produce Node/electron friendly bundles Details
- Log bundle metrics Details
- Node 6 support Details
- Add WebManifestAsset to handle W3C webmanifest Details
- Add support for optional dependencies Details
- support svg
<use>
elements Details - Auto-install peerDependencies Details
- Inject HTML tag if missing Details
- Add JSON5 support Details
- Implement support for
<img srcset="...">
Details - Add
.toml
asset support Details - Warn instead of error when an fs call cannot be evaluated Details
- Add support for HTML meta assets Details
- Add
--out-file
option Details - Add Access-Control header for CORS Details
Fixed
- Remove
-h
alias forhmr-port
option Details - Add 'id' to the module variable Details
- Preserve asset's search and hash Details
- Always add bundle-loader module to the bundle Details
- Launch https websocket server is --https Details
- Fix PromiseQueue returning null when there are no jobs Details
- Correctly serialize YAML to JS Details
- Update parser to treat file extensions as case-insensitive Details
- Add babel-template and babel-types to package.json Details
- Improve Code Coverage Details
- Safe cssnano transforms by default Details
- Make sure bundles is an array in loadBundlesLazy Details
- Bump dependencies Details
- Allows for dots in lazyloaded file names Details
- Add missing packages for pnpm to work Details
- pass lowerCaseAttributeNames: true to posthtml-parser (fix version bump) Details
[1.5.1] - 2018-01-25
Added
- Support .htm extension Details
Fixed
- Fix rust projects with hyphenated names Details
- Purify sourcemaps (Prevent babel from giving invalid mappings) Details
- Don't drop console statements by default in uglifyjs Details
- Fix for ipc closed error in tests Details
[1.5.0] - 2018-01-23
Added
- SourceMap support Details
- Custom bundleloader and wasm support Details
- Rust support Details
- Ability to set HMR port Details
- Support .env files Details
- Hotreload css requires in html Details
- Minify JSON Details
- Ability to set HMR hostname Details
- Ability to specify amount of workers using
PARCEL_WORKERS
environment variable Details - Warning emoji Details
Fixed
- Virtualpaths, throw file not found error Details
- Transform HTML prior to collecting dependencies Details
- Find a[href] dependencies when attrs precede it Details
- Resolve URI-encoded assets Details
- Public-url not an os path Details
- Invalidate cache when parent dependencies change Details
- Invalidate cache on config change Details
- Circular bundles Details
- Possibly ignore fs using browser-resolve config Details
- Do not use global window inside hmr, fixes web worker issues Details
- Improved worker startup times Details
- Parse
//
as a valid url Details - Improve windows emoji console detections Details
[1.4.1] - 2017-12-31
Added
- Changelog Details
Fixed
- http hot reload server printing location as
https://...
Details - Execute bundle() when calling Bundler.middleware() Details
- Always parse dependencies if babel ran. Details
[1.4.0] - 2017-12-31
Added
- HTTPS server support Details
- GraphQL Support Details
- Webworker Support Details
- CSSNano configuration Details
- HTMLNano configuration Details
- Support async plugin loading Details
- Add code sample section to
ISSUE_TEMPLATE
Details - Add url dependency for serviceWorker.register calls Details
- Fix ignored babel files Details
Fixed
- log-symbols fallback for cross-platform emoji compatibility Details
- Use hostname for websocket connection Details
- Standardize empty implementation comment Details
- Handle appstore url scheme Details
- bundling issues when asset parent & commonBundle types differ Details
- Handle empty assets Details
- Minify
Prelude.js
Details
[1.3.1] - 2017-12-24
Fixed
- Maintain html spacing between tags when minimizing Details
- Incorrect bundle path for raw Assets Details
[1.3.0] - 2017-12-22
Added
- Reason Asset Type Details
- Automatically install parser dependencies Details
- UglifyES config support Details
- Display absolute path on failed dependency resolve Details
- Support
.editorconfig
Details - Tests for ES6 Modules resolver Details
- ESLint Details
Fixed
- Parse port option as integer Details
- Make cli.js Node 6 compatible Details
- Remove arrow function from hmr-runtime - IE support Details
- Start server before bundling Details
- Deterministic bundle trees Details
- Resolve "module", "jsnext:main" and "browser" before "main" in Package.json Details
- Remove filename unsafe characters Details
- Don't hash root file Details
- Use cross-spawn for autoinstalling dependencies on windows Details
[1.2.1] - 2017-12-18
Added
- Opencollective Details
- Use
JSON5
to parse config files Details - Move JSAsset options gathering into separate function Details
Fixed
- Don't use template literals in builtins - IE support Details
- Merge
tsconfig.json
with defaults Details - Change
parse-json
requires toJSON5
Details - Register
.pcss
extension to CSSAsset Details - Websocket error handling Details
- Development server index file Details
[1.2.0] - 2017-12-12
Added
- Coffeescript support Details
- Reload html on change Details
--open
option to automatically launch in default browser Details- Prettier Details
- Code of conduct Details
- User friendly server errors and automatic port switching Details
- Version option to command description Details
- Add badges to readme Details
- Support JSON comments Details
- Add AppVeyor CI Details
- Use
UglifyES
instead ofUglifyJS
Details
Fixed
- Bundle-loader when using esModule Details
- Use var over let in builtins for IE support Details
- Add jsm to javascript extensions Details
- Log pluginload errors Details
- Global env problem Details
- Exit on build error when using build command Details
- Remove circular require in Asset.js Details
- Give high priority to extension of parent Details
- Fallback to
os.cpus()
for cpu count Details - Windows test issues Details
- Raw Asset loading Details
- Normalize path on windows Details
- Make hmr-runtime ES3 compatible Details
- Dynamically importing js assets with raw assets children Details
- Package.json loading issues for plugin loading Details
[1.1.0] - 2017-12-08
Added
- Typescript support Details
- Browser gets notified of errors Details
- Community section to Readme Details
- More helpful json parsing error messages using
parse-json
Details - Issue template Details
Fixed
- Print stack traces on error Details
- Merge
postcss-modules
config Details - Default to
NODE_ENV
development on serve Details - Disable flakey macOS FS events in watcher in the tests Details
- Sort child bundles by asset names to avoid race condition in tests Details
[1.0.3] - 2017-12-07
Added
- Add version to cache key Details
- Travis tests environment, build script and contribution docs Details
Fixed
- File url bugfix for Firefox Details
- Windows path bugfix Details
- Default only exports Details
- Public URL in normalizeOptions Details
- Do not try to import data:, tel:, mailto:, something: URLS Details
[1.0.2] - 2017-12-06
Added
- Add github repository to
package.json
Details
Fixed
- Improved public url checking using
is-url
instead of regex Details
Removed
babel-preset-es2015
removed from dev dependencies Details
[1.0.1] - 2017-12-05
- Initial Parcel-bundler core