CHANGELOG.md

sapper changelog

0.29.3

• Generate ESM code when project's package.json indicates "type": "module" (#1800)

0.29.2

• Allow export to succeed when user has not provided a base tag (#1208)
• Update rollup-plugin-chunks dependency to fix regex routes (#1757)
• Fix status code when requesting directory (#1734)

0.29.1

• Restore hashing of all CSS file names (#1716)
• Fixed typings to be compatible with express/polka (#1713)
• Fix bad imports in type definitions (#1709)

0.29.0

Please see the migration guide for details on migrating from Sapper 0.28 to Sapper 0.29.

• Fix scroll position restoration after changing search param with goto (#1697)
• Fix dynamic imports in client.js on browsers that do not support ES modules (#1593)
• Change rel="prefetch" to sapper:prefetch (#1566)
• Support Rollup's perf option (#1685)
• Avoid error in scroll tracking when navigating off-site and then going back (#1592)
• Fix runtime router handling of encoded query parameters (#1620)
• Fix prefetching when clicking quickly back and forth (#1668)
• Numerous TypeScript definition improvements (#1598, #1601, #1603, #1604)

0.28.10

• Improve error message if exporting site with missing index.svelte (#1390)
• Add TypeScript types for the preload function and its this context (#1463)
• Avoid infinite loop if layout's preload crashes on error page (#1506)
• Support extensions with multiple dots (#1513)
• Fix the service worker requesting non-existent file when emitCss: false (#1559)
• Allow multiple occurrences of %sapper.cspnonce% (#1565)
• Fix preload links in exported sites (#1576)
• Ensure CSS is applied to nested route layouts (#1579)

0.28.9

• Support preloading ES6 modules in exported pages (#919)
• Add error to $page store on error pages (#948)
• Add document.baseURI fallback for legacy browsers (#1034, #1561)
• Add CSP nonce to <style> tag (#1231)
• Make CSP nonce available in template (#1248)
• Upgrade shimport to fix legacy browser support (#1544)

0.28.8

• Minify and hash inject_styles.js (#1524)
• Fix support for legacy browsers (#1525)
• Improve performance by preloading inject_styles.js script (#1530)
• Fix flash of unstyled content (#1531)
• Fix duplicate CSS injection with both relative and absolute URLs (#1535)

0.28.7

• Fix a number of additional bugs with CSS handling with Rollup (#1492, #1508)

0.28.6

• Fix CSS handling with Rollup when dynamically imported styles are also statically imported elsewhere (#1493)

0.28.5

• Fix CSS handling with Rollup when one route imports another (#1486)

0.28.4

• Fix webpack CSS support (#1454)
• Protect against undefined value in Rollup CSS handling (#1466)
• Reset scroll position to top after this.redirect() in preload() (#1470)
• Fix inclusion of CSS on error page for Rollup apps (#1472)

0.28.3

• Allow default link behavior when Alt is pressed (#1372)
• Fix various bugs with asset handling (#1446, #1447, #1448)
• Revert change in 0.28.1 to dev reload server when serving over HTTPS (#1453)

0.28.2

• Fix updating styles upon dev mode reloads (#1439)
• Fix race condition with Rollup in dev mode (#1440)
• Follow <link href> when crawling site during export (#1444)

0.28.1

• Apply source map to stack traces (#117)
• Add support for vanilla Node http server (#923)
• Fix exporting server routes that return binary files (#1103)
• Follow <img src>, <source src>, and <source srcset> when crawling site during export (#1104)
• Export service-worker-index.html only when service-worker.js exists (#1291)
• Improved HTTPS support (#1358, #1379)
• Provide TypeScript declarations (#1381)
• Fix creation of CSS files with duplicate content when using Rollup (#1397)
• Improved script preload support for Rollup (#1415)
• Fix hash in CSS filenames with Rollup (#1388)
• Added CSP nonce support for webpack scripts (#1395)

0.28.0

• 🎉 TypeScript support! 🎉
• 🎉 Asset preload headers for Rollup projects 🎉

Please see the migration guide for details on migrating from Sapper 0.27 to Sapper 0.28.

Also:

• Explicitly set output.exports to avoid warning from Rollup (#1326)
• <script> tags will now be loaded with the defer attribute (#1123)
• The <head> element hydration workaround was removed (#1067)
• The files in the generated service-worker.js file are now prefixed with a / (#1244).
• The sapper-noscroll attribute was renamed to sapper:noscroll (#1320)
• Fix handling of routes beginning with /client/ (#1142)
• Fix path normalization of chunks on Windows (#1256, #1333)
• Fix CSS splitting when using Rollup 2 (#1306)
• Set publicPath in webpack server config for benefit of file-loader (#1342)
• Detect presence of preload at runtime, so we don't need to worry about preprocessors and compiling components when doing so (#1344)
• Load script tag with defer attribute in Webpack projects (#1123)
• Show a warning for unserializable server-preloaded data (#1304)
• Added a noscroll option to goto (#1320)

0.27.16

• Handle errors thrown from session seeding function (#1273)

0.27.15

• Allow session handler to return a Promise (#740)

0.27.14

• Prevent client-side app from re-rendering over a server-generated error (#710)
• Better handle I/O backpressure when exporting sites (#851, #893)
• In SSR, include Authorization header when including cookies (#880)
• In SSR, default to credentials: 'same-origin' (#881)
• Do not restart dev server while it is already restarting (#920)
• Avoid console error in dev mode when reloading page (#981)
• Correctly handle src or dest being the current directory (#1069)
• Log details of Rollup errors instead of swallowing them (#1221, #1234)
• Avoid corrupting binary files during build (#1245)

0.27.13

• Fix multiple slugs in a single URL segment (#547)
• Fix erroneously notifying a component's $page subscribers of the upcoming URL upon leaving a route (#633)
• Maintain scroll location when refreshing page (#784)
• Support detecting bundler by *.config.ts files (#1005)
• When exporting, create regular files instead of directories for page routes ending in .html (#1043)
• Preserve timestamps when copying files during export (#1110)
• Fix issue with scrolling to deeplinks (#1139)

0.27.12

• Fix missing MIME types when serving files from /client/ (#1136)

0.27.11

• Fix vulnerability when serving /client/... files — Please upgrade!
• Revert CSS handling change from 0.27.10

0.27.10

• Fix component styles being duplicated between client.css and main.css (#1076)

0.27.9

• Recheck whether a component has a preload whenever the file changes (#611)

0.27.8

• Enable sourcemaps in dev mode only by default (#590)
• Don't silently ignore unknown options passed to CLI (again) (#729)

0.27.7

• Revert erroring on unknown options passed to CLI, pending upstream bug investigation

0.27.6

• Various fixes for CSS sourcemaps (#421, #537, #808)
• Add export option --entry for specifying multiple entry points (#749)
• Fix paths to component CSS in legacy build (#775)

0.27.5

• Fix exported sites with links to static files (#572)
• Properly update manifest data during changes in dev mode (#713)
• Don't silently ignore unknown options passed to CLI (#729)
• Add host value to page store, giving uniform access to req.headers.host/location.host (#735)
• Log uncaught exceptions in server routes (#782)
• Fix default error template (#817)

0.27.4

• Update devalue

0.27.3

• Accommodate Svelte 3.5.0

0.27.2

• Fix routes with regular expressions (#707)
• Fix sapper build --output option (#723)

0.27.1

• Prevent infinite loop if preload errors (#677)
• Allow disabling of live reload (#683)
• Let browser handle initial scroll (#331)
• Allow custom route file extensions via --ext (#632)
• Wait for server to restart before attaching debugger (#694)
• Fix export queue (#698)
• Rerun preload functions when query changes (#701)
• Navigate when spread route changes (#688)

0.27.0

• Change license from LIL to MIT (#652)
• Fix index server route mapping (#624)

0.26.1

• Handle skipped segments (#663)

0.26.0

• Update to Svelte 3
• Slot-based nested routes (#573)
• Make page, preloading and session stores available to components (#642)
• Handle missing/empty refs when exporting (#602)
• Prevent race condition when exporting (#585)
• Fix redirects with base path (#589)
• Add <link rel="preload"> to exported HTML (#568)
• Handle deep links that are invalid selectors on initial load (#516)
• Use shared queue for exporting (#604)
• Handle + character in query string (#618)
• Spread routes (#545)
• Fix navigation from /a/[id] to /b/[id] (#610)
• Allow preload functions to return falsy values (#587)
• Mount error pages correctly (#620)

0.25.0

• Force refresh on goto(current_url) (#484)
• Fix preloading navigation bug (#532)
• Don't mutate opts.headers (#528)
• Don't crawl hundreds of pages simultaneously (#369)

0.24.3

• Add service-worker-index.html shell file for offline support (#422)
• Don't cache .map files (#534)

0.24.2

• Support Rollup 1.0 (#541)

0.24.1

• Include CSS chunks in webpack build info to avoid duplication (#529)
• Fix preload as for styles (#530)

0.24.0

• Handle external URLs in this.redirect (#490)
• Strip leading / from basepath (#495)
• Treat duplicate query string parameters as arrays (#497)
• Don't buffer stdout and stderr (#305)
• Posixify build_dir (#498)
• Use page[XY]Offset instead of scroll[XY] (#480)

0.23.5

• Include lazily-imported CSS in main CSS chunk (#492)
• Make search param decoding spec-compliant (#493)
• Handle async route errors (#488)

0.23.4

• Ignore empty anchors when exporting (#491)

0.23.3

• Clear error and status on successful render (#477)

0.23.2

• Fix entry point CSS (#471)

0.23.1

• Scroll to deeplink that matches current URL (#472)
• Scroll to deeplink on another page (#341)

0.23.0

• Overhaul internal APIs (#468)
• Remove unused sapper start and sapper upgrade (#468)
• Remove magic environment variables (#469)
• Preserve SSI comments (#470)

0.22.10

• Handle sapper-noscroll attribute on <a> elements (#376)
• Fix CSS paths when using a base path (#466)

0.22.9

• Fix legacy builds (#462)

0.22.8

• Ensure CSS placeholders are overwritten (#462)

0.22.7

• Fix cookies (#460)

0.22.6

• Normalise chunk filenames on Windows (#456)
• Load modules with credentials (#458)

0.22.5

• Fix sapper dev. Oops.

0.22.4

• Ensure launcher does not overwrite a module (#455)

0.22.3

• Prevent server from accidentally importing dev client

0.22.2

• Make paths in generated code relative to project

0.22.1

• Fix pkg.files

0.22.0

• Move generated files into __sapper__ (#453)
• Change default build and export directories to __sapper__/build and __sapper__/export (#453)

0.21.1

• Read template from build directory in production

0.21.0

• Change project folder structure (#432)
• Escape filenames (#446)

0.20.4

• Fix legacy build CSS (#439)
• Enable debugging in Chrome and VSCode (#435)

0.20.3

• Inject nonce attribute if res.locals.nonce is present (#424)
• Prevent service worker caching (#428)
• Consistent caching for HTML responses (#429)

0.20.2

• Add immutable cache control header for hashed assets (#425)
• Handle value-less query string params (#426)

0.20.1

• Update shimport

0.20.0

• Decode req.params and req.query (#417)
• Decode URLs before writing files in sapper export (#414)
• Generate server sourcemaps for Rollup apps in dev mode (#418)

0.19.3

• Better unicode route handling (#347)

0.19.2

• Ignore editor tmp files (#220)
• Ignore clicks an <a> element without href (#235)
• Allow routes that are reserved JavaScript words (#315)
• Print out webpack errors (#403)

0.19.1

• Don't include local origin in export redirects (#409)

0.19.0

• Extract styles out of JS into .css files, for Rollup apps (#388)
• Fix prefetchRoutes (#380)

0.18.7

• Support differential bundling for Rollup apps via a --legacy flag (#280)

0.18.6

• Bundle missing dependency

0.18.5

• Bugfix

0.18.4

• Handle non-Sapper responses when exporting (#382)
• Add --dev-port flag to sapper dev (#381)

0.18.3

• Fix service worker Rollup build config

0.18.2

• Update pkg.files

0.18.1

• Add live reloading (#385)

0.18.0

• Rollup support (#379)
• Fail export if a page times out (configurable with --timeout) (#378)

0.17.1

• Print which file is causing build errors/warnings (#371)

0.17.0

• Use cheap-watch instead of chokidar (#364)

0.16.1

• Fix file watching regression in previous version

0.16.0

• Slim down installed package (#363)

0.15.8

• Only set preloading: true on navigation, not prefetch (#352)
• Provide fallback for missing preload errors (#361)

0.15.7

• Strip leading slash from redirects (#291)
• Pass (req, res) to store getter (#344)

0.15.6

• Fix exporting with custom basepath (#342)

0.15.5

• Faster export with more explanatory output (#335)
• Only blur activeElement if it exists (#332)
• Don't emit client_info.json or server_info.json (#318)

0.15.4

• Add ignore option (#326)

0.15.3

• Crawl pages in parallel when exporting (#329)
• Don't minify inline JS when exporting (#328)

0.15.2

• Collapse component chains where no intermediate layout component is specified (#312)

0.15.1

• Prevent confusing error when no root layout is specified

0.15.0

• Nested routes (consult migration guide and docs on layouts) (#262)

0.14.2

• Prevent unsafe replacements (#307)

0.14.1

• Route parameters can be qualified with regex characters (#283)

0.14.0

• 4xx.html and 5xx.html are replaced with _error.html (#209)
• Treat foo/index.json.js and foo.json.js as equivalents (#297)
• Return a promise from goto (#270)
• Use store when rendering error pages (#293)
• Prevent console errors when visiting an error page (#279)

0.13.6

• Fix baseUrl synthesis (#296)

0.13.5

• Fix handling of fatal errors (#289)

0.13.4

• Focus <body> after navigation (#287)
• Fix timing of hot reload updates
• Emit fatal event if server crashes (#285)
• Emit stdout and stderr events on dev watcher (#285)
• Always refresh client assets in dev (#286)
• Correctly initialise rebuild stats

0.13.3

• Make fatal events clonable for IPC purposes

0.13.2

• Emit a basepath event (#284)

0.13.1

• Reinstate ten-second interval between dev server heartbeats (#276)

0.13.0

• Expose dev, build, export and find_page APIs (#272)

0.12.0

• Each app has a single <App> component. See the migration guide for more information (#157)
• Process exits with error code 1 if build/export fails (#208)

0.11.1

• Limit routes with leading dots to .well-known URIs (#252)
• Allow server routes to sit in front of pages (#236)

0.11.0

• Create launcher file (#240)
• Only keep necessary parts of webpack stats (#251)
• Allow NODE_ENV to be overridden when building (#241)

0.10.7

• Allow routes to have a leading . (#243)
• Only encode necessary characters in routes (#234)
• Preserve existing process.env when exporting (#245)

0.10.6

• Fix error reporting in sapper start

0.10.5

• Fix missing service worker (#231)

0.10.4

• Upgrade chokidar, this time with a fix (#227)

0.10.3

• Downgrade chokidar (#212)

0.10.2

• Attach store to error pages
• Fix sorting edge case (#215)

0.10.1

• Fix server-side fetch paths (#207)

0.10.0

• Support mounting on a path (this requires app/template.html to include %sapper.base%) (#180)
• Support per-request server-side Store with client-side hydration (#178)
• Add this.fetch to preload, with credentials support (#178)
• Exclude sourcemaps from preload links and <script> block (#204)
• Register service worker in <script> block

0.9.6

• Whoops — tslib is a runtime dependency

0.9.5

• Stringify clorox output (#197)

0.9.4

• Add SAPPER_BASE and SAPPER_APP environment variables (#181)
• Minify template in sapper build (#15)
• Minify all HTML files in sapper export (#172)
• Log exported files (#195)
• Add --open/-o flag to sapper dev and sapper start (#186)

0.9.3

• Fix path to sapper-dev-client

0.9.2

• Include dist files in package

0.9.1

• Include sapper bin

0.9.0

• Use devalue instead of serialize-javascript, allowing preload to return non-POJOs and cyclical/repeated references, but not functions (#112)
• Kill child process if webpack crashes (#177)
• Support HMR on remote devices (#165)
• Remove hard-coded port ((#169))
• Allow non-JS files, e.g. TypeScript to be used as entry points and server routes (#57)
• Faster startup (#173)

0.8.4

• Fix route sorting (#175)

0.8.3

• Automatically select available port, or use --port flag for dev and start (#169)
• Show stats after build/export (#168)
• Various CLI improvements (#170)

0.8.2

• Rename preloadRoutes to prefetchRoutes (#166)

0.8.1

• Add sapper start command, for running an app built with sapper build (#163)

0.8.0

• Update to webpack 4
• Add preloadRoutes function — secondary routes are no longer automatically preloaded (#160)
• sapper build outputs to build, sapper build custom-dir outputs to custom-dir (#150)
• sapper export outputs to export, sapper export custom-dir outputs to custom-dir (#150)
• Improved logging (#158)
• URI-encode routes (#103)
• Various performance and stability improvements (#152)

0.7.6

• Prevent client-side navigation to server route (#145)
• Don't serve error page for server route errors (#138)

0.7.5

• Allow dynamic parameters inside route parts (#139)

0.7.4

• Force NODE_ENV='production' when running build or export (#141)
• Use source-map-support (#134)

0.7.3

• Handle webpack assets that are arrays instead of strings (#131)
• Wait for new server to start before broadcasting HMR update (#129)

0.7.2

• Add hmr-client.js to package
• Wait until first successful client build before creating service-worker.js

0.7.1

• Add missing tslib dependency

0.7.0

• Restructure app layout (see migration guide) (#126)
• Support this.redirect(status, location) and this.error(status, error) in preload functions (#127)
• Add sapper dev command
• Add sapper --help command

0.6.4

• Prevent phantom HMR requests in production mode (#114)

0.6.3

• Ignore non-HTML responses when crawling during export
• Build in prod mode for export

0.6.2

• Handle unspecified type in sapper export

0.6.1

• Fix pkg.files and pkg.bin

0.6.0

• Hydrate on first load, and only on first load (#93)
• Identify clashes between page and server routes (#96)
• Remove Express-specific utilities, for compatbility with Polka et al (#94)
• Return a promise from init when first page has rendered (#99)
• Handle invalid hash links (#104)
• Avoid URLSearchParams (#107)
• Don't automatically set Content-Type for server routes (#111)
• Handle empty query string routes, e.g. /? (#105)

0.5.1

• Only write service-worker.js to filesystem in dev mode (#90)

0.5.0

• Experimental support for sapper export (#9)
• Lazily load chokidar, for faster startup (#64)

0.4.0

• %sapper.main% has been replaced with %sapper.scripts% (#86)
• Node 6 support (#67)
• Explicitly load css-loader and style-loader (#72)
• DELETE requests are handled with del exports (#77)
• Send preloaded data for first route to client, where possible (#3)

0.3.2

• Expose prefetch function (#61)

0.3.1

• Fix missing runtime.js

0.3.0

• Move sapper/runtime/app.js to sapper/runtime.js
• Cancel navigation if overtaken by second navigation (#48)
• Store preloaded data, to avoiding double prefetching (#49)
• Pass server request object to preload (#54)
• Nested routes (#55)

0.2.10

• Handle deep links correctly (#44)

0.2.9

• Don't write files to disk in prod mode

0.2.8

• Add goto function (#29)
• Don't use /tmp as destination in Now environments

0.2.7

• Fix streaming bug

0.2.6

• Render main.js back to templates, to allow relative imports (#40)

0.2.5

• Fix nested routes on Windows (#39)
• Rebundle when routes and main.js change (#34)
• Add Link...preload headers for JavaScript assets (#2)
• Stream document up to first dynamic content (#19)
• Error if routes clash (#33)

0.2.4

• Posixify path to HMR client

0.2.3

• Posixify import paths, even on Windows (#31)
• Pass url to 404 handler

0.2.2

• Create destination directory when building, don't assume it's already there from dev mode
• We have tests now!

0.2.1

• Inject HMR logic in dev mode

0.2.0

• Separate sapper build from prod server (#21)

0.1.3-5

• Fix typo

0.1.2

• Use atime.getTime() and mtime.getTime() instead of atimeMs and mtimeMs (#11)
• Make dest dir before anyone tries to write to it (#18)

0.1.1

• Expose resolved pathname to sapper/runtime/app.js as __app__ inside main.js

0.1.0

• First public preview