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Changelog

🀍 Unreleased

🌦️ 0.10.0

  • ✨ Features

    • Added keywords - lucashorward, issue/707 pull/838

      package.json files usually contain a keywords array so that npm can make searching easier. This PR extracts keywords from Cargo.toml and puts them into package.json.

  • πŸ€• Fixes

    • Update binary-install to get fix for axios security vulnerability - simlay, Rizary, issue/958 pull/973 pull/1012

      Updates binary-install npm package to version ^0.1.0 in order to get security fix for a security vulnerability in axios.

    • Fix cargo-generate installation - bradyjoslin, issue/975 issue/907 pull/983

      wasm-pack new hello-wasm didn't work due to a bad link when trying to install cargo-generate.

      This PR points the installation to the correct place and makes wasm-pack new working again!

    • Pass through extra options when building tests - azriel91, issue/698 pull/851

      wasm-pack test accepts extra options to pass through to cargo when running tests. Under the hood, this runs cargo build before cargo test, and the additional options were only passed through to the test command. This meant that crates that enabled native features by default could not be built using wasm-pack, as it would attempt to build tests for the wasm32-unknown-unknown target with the native features enabled.

      This PR passes through the extra options to cargo when building the tests as well.

    • Corrected files included in package.json for bundler / no target - lucashorward, issue/837 pull/839

      wasm-pack build and wasm-pack build --target bundler generates a _bg.js file, but it was not added to the package.json. The file that is added, *.js will however reference the _bg.js, so when the package was distributed (both through pack or publish) it is not usable.

      This PR includes that _bg.js file in package.json.

    • Find the main package if multiple packages have the same name - ghost, pull/830

      If there were 2 packages with the same name, wasm-pack would sometimes use the wrong one and errored.

  • πŸ“– Documentation

  • πŸ› οΈ Maintenance

☁️ 0.9.1

  • πŸ€• Fixes

    • Bump binaryen to version_90 - ashleygwilliams, issue/781 issue/782 pull/687

      Previously, wasm-pack was hardcoded to install and attempt to execute wasm-opt on every build using binaryen version 78. This version had various issues on Unix/Linux and caused broken CI builds for many folks (we're so sorry!).

      This PR updates the binaryen version to 90, which should fix the issues folks were having.

      Long-term, we'd like to create an auto-updating mechanism so that we can install and use the latest release of binaryen as we do for other binaries we orchestrate.

  • πŸ› οΈ Maintenance

πŸŒ₯️ 0.9.0

  • ✨ Features

    • Adding in --quiet and --log-level flags to control the console output - Pauan, pull/694

      The --verbose flag has long existed as a way to get more console output, but now there are two flags to get less console output:

      • --quiet will silence all stdout, so only errors will be displayed.
      • --log-level can be used to silence [INFO] or [WARN] output from wasm-pack.

      You can cause it to display even more information by using --verbose, or you can silence all stdout by using --quiet.

      You can also use --log-level to have fine-grained control over wasm-pack's log output:

      • --log-level info is the default, it causes all messages to be logged.
      • --log-level warn causes warnings and errors to be displayed, but not info.
      • --log-level error causes only errors to be displayed.

      These flags are global flags, so they can be used with every command, and they must come before the command:

      wasm-pack --log-level error build
      wasm-pack --quiet build
    • Wrap cargo-generate with wasm-pack new - ashleygwilliams, issue/373 pull/623

      One of the first steps in getting started with wasm-pack is to cargo install cargo-generate to bootstrap some project templates. This can take a while and is an extra burden on users just getting started with wasm-pack. wasm-pack new uses cargo-generate to bootstrap new projects, removing the need to install the tool on your own. You can read more about this feature here.

    • Allow wasm-pack to be run from subdirectories - gameldar, issue/620 pull/624

      If a crate path is not specified when running wasm-pack and there is no Cargo.toml in the current working directory, wasm-pack will walk up the directory structure to find a Cargo.toml.

    • Automatically execute wasm-opt on produced binaries - alexcrichton, issue/159 pull/625

      When wasm-pack builds binaries in released and profiling modes, it will execute wasm-opt on the binary, making the result smaller and more performant.

    • Helpful error message when wasm-bindgen fails because of an old version - gameldar, ashleygwilliams, issue/627 pull/633

      wasm-pack will pass a --web flag to wasm-bindgen when wasm-pack build --target web is run. Before, if the user had an old version of wasm-bindgen in their dependencies, they would receive a cryptic error message. Now they will be notified that they need to update their wasm-bindgen dependency if they want to build for the web target.

    • Publish releases by tag to npm - Tarnadas, pull/690

      You can now use wasm-pack publish to publish tagged releases with the optional --tag argument. You can read more about distribution tags on NPM, and more about this feature in our docs.

  • πŸ€• Fixes

    • Only use exactly v0.24.0 geckodriver on Windows - ashleygwilliams, issue/770 pull/774

      wasm-pack test is a great way to test your web Wasm modules- and it very nicely sets up and configures the necessary browser engine drivers to do so!

      For the v0.25.0 release of geckodriver, the team switched their build environment- which introduced a new surprise runtime dependency, Visual C++ redistributable package, to their windows binaries. You can read more about the issue here, mozilla/geckodriver/issue/1617.

      Becuase the introduction of this runtime dependency is considered a bug, and should be eventually fixed, the team decided that the least invasive solution would be to hold geckodriver binaries, on Windows, at v0.24.0, and to disable the auto-update logic, until the bug is fixed.

    • Handle version check failures - drager, issue/652, issue/653 pull/660

      Every day, wasm-pack checks the crates.io API for the latest version number and lets the user know if their installation is out of date. Now, when these API calls fail, wasm-pack alerts the user of the failure and waits until the next day to make another call to crates.io.

    • Add user agent for version check - drager, issue/651 pull/658

      crates.io requires tools to set a version check User-Agent header when requesting the latest version. Now, when wasm-pack performs an API request to crates.io, it sends User-Agent: wasm-pack/0.9.0.

    • Remove broken link from the README - drager, pull/635

    • Make sideEffects in generated package.json a boolean instead of a string - rhysd, pull/649

    • Don't warn if license-file is present - ashleygwilliams, issue/692 pull/693

      Previously, wasm-pack would warn that the license field was missing if the license-file field was used instead. This warning is now only surfaced if both license and license-field are absent from a Cargo.toml.

    • Select correct webdriver version - MartinKavik, issue/611 pull/706

      wasm-pack used to install a pinned version of the Chrome, Gecko, and Safari drivers. Now when a driver needs to be installed, wasm-pack will pull the latest version from the API and install that instead.

    • Only run node tests on wasm-pack test --node - alexcrichton, pull/630

    • Fix npm installs for Windows Users - EverlastingBugstopper, issue/757 pull/759

      We recently published wasm-pack on the npm registry but forgot to test on Windows! npm install -g wasm-pack now works on Windows machines.

    • Clean up cargo test warnings - ashleygwilliams, issue/752 pull/753

      Tests now use std::sync::Once::new() instead of the deprecated std::sync::ONCE_INIT

  • πŸ“– Documentation

    • Document npm installer - drager, issue/751 pull/767

    • Update help message for build and publish subcommands - ibaryshnikov, issue/636 pull/640

      wasm-bindgen recently changed the default target from browser to bundler and deprecated browser. This change is now reflected in the help message for wasm-pack build.

    • Add Release Checklist - ashleygwilliams, issue/370 pull/626

      While we try to automate releases of wasm-pack as much as possible, there are still some manual steps that need to be completed when releasing a new version (like writing a changelog πŸ˜‰). These steps now live in RELEASE_CHECKLIST.md.

  • πŸ› οΈ Maintenance

    • Ensure that wasm-bindgen generates move assertions - fitzgen, issue/677 pull/683

      wasm-pack now creates wasm-bindgen test fixtures that must generate move assertions for both free functions and methods.

    • Update cargo_metadata to v0.8.0 - ThomasdenH, pull/670

    • Update rustfmt install snippet in PR template` - data-pup, issue/639 pull/664

      rustfmt is now available on Rust's stable channel so now the wasm-pack PR template recommends installing the stable version instead of the nightly version.

πŸ› οΈ 0.8.1

  • πŸ€• Fixes

    • Check for "rustup" rather than ".rustup" when checking for wasm32 - drager, issue/613

      When we introduced support for non-rustup setups we did a check if the user was using rustup or not. However, this check was too constrained and only covered the most common cases, but it did not work for Docker setups.

      This PR addresses that and it now covers Docker setups as well! When doing this fix we also found two other small issues which this PR also addresses. The first is that we did not print the helpful error message when the wasm32 target was not found and the other one was that it linked to the wrong section of the documentation.

🌀️ 0.8.0

  • ✨ Features

    • Give user's ability to customize generated filenames with --out-name flag - ibaryshnikov, issue/596 pull/599

      When running wasm-pack build, several files are generated. These files are named based on the name of the crate, as per your Cargo.toml file. Sometimes- that's not the name you'd like your files to have!

      You can now specify a custom name for the generated files using a new flag, --out-name. Given a project called dom, here's a comparison of the default and custom generated filenames:

      wasm-pack build
      # will produce files
      # dom.d.ts  dom.js  dom_bg.d.ts  dom_bg.wasm  package.json  README.md
      
       wasm-pack build --out-name index
      # will produce files
      # index.d.ts  index.js  index_bg.d.ts  index_bg.wasm  package.json  README.md
      
  • πŸ€• Fixes

    • Fix panics in build mode --no-install - alexcrichton, pull/598

      This commit fixes the wasm-pack build --mode no-install command from unconditionally panicking as well as --mode force. These steps were calling an unwrap() on an internal Option<T> which was supposed to be set during step_install_wasm_bindgen, but that step wasn't run in these modes. The mode configuration of steps has been refactored slightly to ensure that more steps are shared between these modes to reduce duplication.

    • Print unexpected panics to standard error - drager, issue/562 pull/601

      Unexpected panics are unfortunate but they're currently covered up and written out to an auxiliary file. This makes panics in CI difficult to debug, especially at a glance, as CI builders are likely not uploading those files.

      This PR will print to standard error for unexpected panics and then let human_panic handle panics, just like before.

    • Improve error message when wasm32-unknown-unknown is missing - drager, issue/579 pull/602

      For folks with non-rustup environments (which we only started supporting in 0.7.0!), we were giving a missing target error that was not helpful!

      We've updated the error message to include more information, and we've added some documentation to help explain how you can remedy the error by manually installing the target on your specific rust setup- including the fact that it may not be possible to add the target to some setups.

      Check out the docs here.

  • πŸ“– Documentation

    • Document --out-dir flag - ashleygwilliams, issue/592 pull/593

      Recently, someone asked on Discord about customizing the name of the directory that contains the assets built by wasm-pack. We've had the out-dir flag for a while, but it wasn't documented! Now it is.

    • Fix broken links in docs and update for template changes - drager, ashleygwilliams, issue/609 pull/612 pull/614

      Recently, some improvements were made to the [wasmpack-template]. Additionally, there were some broken links in the documentation. We've updated the docs for the new template and fixed the broken links!

  • πŸ› οΈ Maintenance

    • Move binary-install to its own repo - drager, issue/500 pull/600

      binary-install is a crate that holds the abstractions for how wasm-pack downloads and caches pre-built binaries for the tools it wraps. It was originally part of the wasm-pack code, then moved into a workspace as an independent crate. Now that we believe it's stable, we've moved it into its own repo!

🌀️ 0.7.0

  • ✨ Features

    • Non rustup environment support - drager, pull/552

      Before now, wasm-pack had a hard requirement that rustup had to be in the PATH. While most Rust users use rustup there are variety reasons to have an environment that doesn't use rustup. With this PR, we'll now support folks who are using a non-rustup environment!

    • Improved CLI Output - alexcrichton, pull/547

      It's hard to decide if this is a fix or a feature, but let's keep it positive! This PR moves wasm-pack's CLI output strategy closer to the desired standard we have for 1.0. This is important as it fixes many small bugs that are distributed across a diveristy of terminals and difficult to test for locally.

      This strategy was first introduced as a mini RFC in issue/298, and then was discussed in a session at the Rust All Hands (notes).

      You'll notice that the spinner is gone- we eventually want to have one, but we'd like one that doesn't cause bugs! If you have feedback about terminal support or an output bug, please file an issue! We want to hear from you!

      Check out the new output in the README demo- or update your wasm-pack and take it for a spin!

    • Add support for --target web - alexcrichton, pull/567

      Recently, wasm-bindgen add a new target- web. This new target is similar to the no-modules target, in that it is designed to generate code that should be loaded directly in a browser, without the need of a bundler. As opposed to the no-modules target, which produces an IIFE (Immediately Invoked Function Expression), this target produces code that is an ES6 module.

      You can use this target by running:

      wasm-pack build --target web
      

      Learn more about how to use this target by checking out the docs!

    • Support passing arbitrary arguments to cargo test via wasm-pack test - chinedufn, issue/525 pull/530

      wasm-pack test is an awesome command that wraps cargo test in a way that helps provide you some nice out of the box configuration and setup. However, you may find yourself wanting to leverage the full funcationality of cargo test by passing arguments that haven't been re-exported by the wasm-pack test interface.

      For example, if you have a large test suite, it can be nice to simply run one test, or a subset of your tests. cargo test supports this, however up until now, the wasm-pack test interface did not!

      wasm-pack test now accepts passing and arbitrary set of arguments that it will forward along to its cargo test call by allowing users to use -- after any wasm-pack test arguments, followed by the set of arguments you'd like to pass to cargo test.

      For example:

      # Anything after `--` gets passed to the `cargo test`
      wasm-pack test --firefox --headless -- --package my-workspace-crate my_test_name --color=always
      

      This will just run the my_test_name test and will output using color!

      See the test docs here!

    • Support homepage field of Cargo.toml and package.json - rhysd, pull/531

      Both Cargo.toml and package.json support a homepage field that allow you to specify a website for your project. We didn't support it previously (purely an accidental omission) - but now we do!

    • Support license-file field in Cargo.toml - rhysd, pull/527

      Sometimes, you want to provide a custom license, or specific license file that doesn't map to SPDX standard licenses. In Rust/Cargo, you accomplish this by omitting the license field and including a license-file field instead. You can read more about this in the cargo manifest documentation.

      In an npm package, this translates to "license": "SEE LICENSE IN <filename>" in your package.json. You can read more about this in the npm package.json documentation.

      We previously only supported using SPDX standard licenses, by only supporting the "license" key in your Cargo.toml- but now we'll allow you to leverage the license-file key as well, and will translate it correctly into your package.json!

  • πŸ€• Fixes

    • wasm-pack-init (1).exe should work - ashleygwilliams, issue/518 pull/550

      Several users noted that when downloading a new version of wasm-pack their browser named the executable file wasm-pack-init (1).exe. When named this way, the file didn't show the init instructions on execution. This happened because the installation logic was requiring an exact match on filename. We've loosened that restriction so that the filename must start with wasm-pack-init and will still execute files with these additional, extraneous charaters in the filename. Thanks so much to Mblkolo and danwilhelm for filing the issue and the excellent discussion!

    • Fix chromedriver error and message on Windows for wasm-pack test - jscheffner, issue/535 pull/537

      When running wasm-pack test on a 64-bit Windows machine, users would receive an error: geckodriver binaries are unavailable for this target. This error message had two issues- firstly, it accidentally said "geckodriver" instead of "chromedriver", secondly, it threw an error instead of using the available 32-bit chromedriver distribution. Chromedriver does not do a specific disribution for Windows 64-bit!

      We've fixed the error message and have also ensured that 64-bit Windows users won't encounter an error, and will appropriately fallback to the 32-bit Windows chromedriver.

    • Correct look up location for wasm-bindgen when it's installed via cargo install - fitzgen, pull/504

      Sometimes, when a wasm-bindgen binary is not available, or if wasm-pack is being run on an architecture that wasm-bindgen doesn't produce binaries for, instead of downloading a pre-built binary, wasm-pack will install wasm-bindgen using cargo install. This is a great and flexible back up!

      However, due to the last release's recent refactor to use a global cache, we overlooked the cargo install case and did not look for wasm-bindgen in the appropriate location. As a result, this led to a bug where wasm-pack would panic.

      We've fixed the lookup for the cargo install'd wasm-bindgen by moving the cargo-install'd version to global cache location for wasm-pack once it's successfully built. We also eliminated the panic in favor of propagating an error. Thanks for your bug reports and sorry about the mistake!

    • Only print cargo test output the once - fitzgen, issue/511 pull/521

      Due to some technical debt and churn in the part of the codebase that handles output, we were accidentally printing the output of cargo test twice. Now we ensure that we print it only one time!

  • πŸ› οΈ Maintenance

    • Fix clippy warnings - mstallmo, issue/477 pull/478

      clippy is an awesome utilty that helps lint your Rust code for common optimizations and idioms. at the beginning of wasm-pack development, clippy had not yet stablized, but it has since 1.0'd and it was high time we leveraged it in wasm-pack. We still aren't completely fixed, but we're working on it, and we've already dervived a ton of value from the tool!

    • Run clippy check on Travis - drager, pull/502

      Now that wasm-pack has been clippified- we want to keep it that way! Now in addition to cargo fmt and cargo test, we'll also run cargo clippy on all incoming PRs!

    • Port tests to use assert-cmd - fitzgen, pull/522

      assert_cmd is a great utility for testing CLI applications that is supported by the CLI WG. wasm-pack development began before this library existed- so we were using a much less pleasant and efficient strategy to test the CLI functionality of wasm-pack. Now we've ported over to using this great library!

    • Add initial tests for binary-install crate - drager, pull/517

      In the last release, we separated some of our binary install logic into a new crate, binary-install. However, that's about all we did... move the logic! In an effort to move the crate into true open source status, drager has done some excellent work adding tests to the crate. This was trickier than it looked and involved creating a test server! Thanks for all the efforts drager, and the great review work fitzgen and lfairy!

    • Update tests wasm-bindgen version - huangjj27, issue/519 issue/417 pull/526

      Our tests use fixtures that reference wasm-bindgen often, but the versions were not consistent or up to date. As a result, the test suite leverage many version of wasm-bindgen which meant that they took a while to run as they couldn't use the cached version of wasm-bindgen because the cached versions we slightly different! Now they are up to date and consistent so the tests can perform better!

  • πŸ“– Documentation

    • Flag gh-pages docs as unpublished - alexcrichton pull/565

      Recently, DebugSteven made a PR to merge all the documentation for the rustwasm toolchain into a single location. This is going to make discovering and using tools from the entire organization easier for new and seasoned folks alike. This also has the feature of displaying documentation that is related to the current published version of each tool- unlike before, where the only accessible documentation was for the tools at current master (which may or may not be currently published!)

      If you like reading the current master's documentation- fear not, each tool will still publish the documentation generated from the master branch on their individual gh-pages (See wasm-pack's master docs here). To avoid confusion, we've added a flash message that let's you know which documentation you are reading- and provides a link to documentation of the published version- just in case that's what you're looking for!

    • Add new QuickStart guide for "Hybrid Applications with Webpack" - DebugSteven pull/536

      Since wasm-pack was first published, we've focused on a workflow where a user writes a library and then publishes it to npm, where anyone can use it like any npm package in their JavaScript or Node.js application.

      Shortly after wasm-pack appeared, some RustWASM teammates created a template for a similar workflow- building a RustWASM package alongside an application. They did this by leveraging Webpack plugins, and it's a really lovely user experience!

      [This template] hasn't gotten as much attention because we've lacked a quickstart guide for folks to discover and follow- now we've got one!

      Check out the guide here!

    • Add wee_alloc deepdive - surma, pull/542

      wee_alloc is a useful utility that deserved more attention and explanation than our previous docs addressed. This was partially because the wasm-pack template has an explanatory comment that helps explain its use. However, for folks who don't use the template, wee_alloc is something important to know about- so now we have given it its own section!

      Check out the deepdive here!

    • Update prerequisite documentation - alexcrichton, pull/569

      Many folks are using wasm-pack without publishing to npm- as a result, we've updated the documentation to clearly indicate that npm is an optional requirement, only required for specific targets and workflows. Additionally, since the 2018 Edition landed, nightly Rust is no longer a requirement. We've removed those instructions and have consolidated the documentation so it is shorter and more efficient at getting you started!

    • Clarify what kind of account login adds - killercup, pull/539

      Previously, when view --help, the command description for login showed: πŸ‘€ Add a registry user account! This could be confusing for folks, so now it's been updated to read: πŸ‘€ Add an npm registry user account!, which is much clearer!

    • Wasm is a contraction, not an acronym - fitzgen, pull/555

      Ever wonder how you're actually supposed to refer to WebAssembly in short-form? WASM? wasm? For the pedants out there, the correct usage is "Wasm" because Wasm is a contraction of the words Web and Assembly. We've updated our doucmentation to consistently refer to WebAssembly as Wasm in the shortform.

      The more you know!

    • Fix links and Rust highlightning - drager, issue/513 pull/514 pull/516

      We had some broken links and missing Rust syntax highlighting in a few sections of the docs. This fixes that!

πŸŒ… 0.6.0

  • ✨ Features

    • Add three build profiles and infrastructure for their toml config - fitzgen, issue/153 issue/160 pull/440

      When originally conceived, wasm-pack was exclusively a packaging and publishing tool, which naively assumed that the crate author would simply run wasm-pack when they were ready to publish a wasm package. As a result, wasm-pack always ran cargo build in --release mode. Since then, wasm-pack has grown into an integrated build tool used at all stages of development, from idea conception to publishing, and as such has developed new needs.

      In previous releases, we've supported a flag called --debug which will run cargo build in dev mode, which trades faster compilation speed for a lack of optimizations. We've renamed this flag to --dev to match cargo and added an additional flag, representing a third, intermediary, build profile, called --profiling which is useful for investigating performance issues. You can see all three flags and their uses in the table below:

      Profile Debug Assertions Debug Info Optimizations Notes
      --dev Yes Yes No Useful for development and debugging.
      --profiling No Yes Yes Useful when profiling and investigating performance issues.
      --release No No Yes Useful for shipping to production.

      The meaning of these flags will evolve as the platform grows, and always be tied to the behavior of these flags in cargo. You can learn more about these in the cargo profile documentation.

      This PR also introduces a way to configure wasm-pack in your Cargo.toml file that we intend to use much more in the future. As a largely convention-based tool, wasm-pack will never require that you configure it manually, however, as our community and their projects mature alongside the tool, it became clear that allowing folks the ability to drop down and configure things was something we needed to do to meet their needs.

      Currently, you can only configure things related to the above-mentioned build profiles. To learn more, check out the documentation. It leverages the package.metadata.wasm-pack key in your Cargo.toml, and looks like this:

      # Cargo.toml
      
      [package.metadata.wasm-pack.profile.dev.wasm-bindgen]
      # Should we enable wasm-bindgen's debug assertions in its generated JS glue?
      debug-js-glue = true
      # Should wasm-bindgen demangle the symbols in the "name" custom section?
      demangle-name-section = true
      # Should we emit the DWARF debug info custom sections?
      dwarf-debug-info = false

      As always- there are defaults for you to use, but if you love to configure (or have a project that requires it), get excited, as your options have grown now and will continue to!

    • DEPRECATION: Rename --debug to --dev to match cargo - fitzgen, pull/439

      See the discussion of the build profiles feature above. This is a strict renaming of the previous --debug flag, which will now warn as deprecated.

    • Add an option to pass an arbitrary set of arguments to cargo build - torkve, issue/455 pull/461

      As an integrated build tool, wasm-pack orchestrates many secondary command line tools to build your package in a single command. Notably, one of these tools is cargo. cargo has a wide array of features and flags, and we couldn't reasonably expect to implement them all as first class features of wasm-pack. As a result, we've created the option to allow users to pass an arbitrary number of additional flags to wasm-pack by appending them to the wasm-pack build command, after passing --. For example:

      wasm-pack build examples/js-hello-world --mode no-install -- -Z offline
      

      In the above example, the flag -Z offline will be passed to cargo build. This feature is documented here.

    • Pre-build before wasm-pack publish - csmoe, issue/438 pull/444

      Previously, if you ran wasm-pack publish before you had successfully run wasm-pack build, you'd receive an error that a package could not be found- because there would be no pkg or out-directory containing a package.json.

      In this situation, you would hope that wasm-pack would build your package for you when you ran wasm-pack publish. This is slightly complicated by the fact that not everyone wants to build their package to the default target or to a directory named pkg.

      To solve this, running wasm-pack publish before a successful build will give you an interactive prompt to build your package- allowing you to specify your out directory as well as the target you'd like to build to. Check it out in the gif below:

      pre-build publish workflow

    • Generate self-.gitignore as part of pkg folder - RReverser, pull/453

      Since wasm-pack was first published, the pkg directory was intended to be treated as a build artifact, and as such should never be published to version control. This was never enforced by any assets generated by wasm-pack, however.

      Now, when building your package, wasm-pack will also generate a .gitignore file so that the pkg, or out-directory, will be ignored.

      If you use another version control tool, you'll need to still create or edit your own ignore file- pull requests to support other version control tools are welcome!

      If you require editing of the generated package.json or add additonal assets to your package before publishing, you'll want to remove the .gitignore file and commit to version control. We intend to have a solution that makes this workflow significantly easier in upcoming releases!

    • Support cargo workspaces - fitzgen, issue/252 issue/305 pull/430

      Workspaces are a well-liked and used feature of cargo that allow you to build multiple crates in a single cargo project. Because of how wasm-pack handled paths for target and out-directories, we did not support cargo workspaces out of the box. Now they should work well and the feature is well guarded by tests!

    • Use a global cache for all downloaded binaries - alexcrichton, pull/426

      wasm-pack is an integrated build tool that orchestrates several other command line tools to build your wasm project for you. How wasm-pack does this has evolved significantly since it's early versions. In the last version, a bin directory was created to house the tool binaries that wasm-pack needed to build our project, but this had several limitations. Firstly, it created a bin directory in your project's root, which could be confusing. Secondly, it meant that sharing these tools across multiple projects was not possible. We did this because it gaves us the fine-grained control over the version of these tools that you used.

      Now, wasm-pack will not generate a bin directory, but rather will use a global cache. We retain the fine-grained control over the versions of these tools that are used, but allow multiple projects that use the same tools at the same versions to share the already installed asset. Your global cache will generally be in your user's home directory- we use the dirs crate to determine where to place this global cache. This is not currently customizable but is something we intend to look into doing!

      This feature ensures that wasm-pack users are downloading a minimal number of binaries from the network, which, for wasm-pack users with multiple projects, should speed up build times.

  • πŸ€• Fixes

    • Fix pack, login, and publish for Windows users - danwilhelm, issue/277 pull/489

      Rust's behavior for spawning processes on some Windows targets introduced an interesting case where Rust would fail unless the command was explicitly spawned with a prepended cmd /c. This failure of wasm-pack was well noticed by our community - and thanks to the efforts of danwilhelm is now fixed! You can read more on the background of this issue in rust-lang/rust issue/44542.

    • Validate --target argument - csmoe, issue/483 pull/484

      For a few releases now, wasm-pack has supported allowing users to specifying the target module system they'd like their package built for- browser, nodejs, and no-modules. We did not however, validate this input, and so if a user made even a slight mistake, e.g. node, wasm-pack would not catch the error and would build your project using the default, browser. This is of course, surprising, and unpleasant behavior and so now we'll error out with a message containing the supported target names.

    • Fix login - danwilhelm, issue/486 pull/487

    • Eliminate unecessary escaping in build success terminal output - huangjj27, issue/390 pull/396

      Previously, on some systems, a successful wasm-pack build would print a unfortunate looking string:

      | :-) Your wasm pkg is ready to publish at "\\\\?\\C:\\Users\\Ferris\\tmp\\wasm-bug\\pkg".
      

      We've updated this to make sure the path to your project is well-formed, and most importantly, human-readable.

    • Copy license file(s) to out directory - mstallmo, issue/407 pull/411

      Since wasm-pack was first published, we've copied over your Cargo.toml license definition over to your package.json. However, we overlooked copying the actual LICENSE files over! Now we do!

    • Don't require cdylib crate-type for testing - alexcrichton, pull/442

      wasm-pack was unecssarily checking Cargo.toml for the cdylib crate type during calls to wasm-pack test. The cdylib output isn't necessary for the wasm-pack test stage because wasm-bindgen isn't being run over a wasm file during testing. This check is now removed!

    • Fix wasm-bindgen if lib is renamed via lib.name - alexcrichton, issue/339 pull/435

      In some circumstances, a library author may wish to specify a name in the [package] portion of their Cargo.toml, as well as a different name in the [lib] portion, e.g.:

      [package]
      name = "hello-wasm"
      
      [lib]
      name = "wasm-lib"

      This would cause the wasm-bindgen build stage of wasm-pack to error out because wasm-pack would attempt to run wasm-bindgen-cli on a path using the [package] name, which wouldn't exist (because it would be using the [lib] name). Now it works- thanks to more usage of cargo_metadata in wasm-pack internals!

    • Print standard error only once for failing commands - fitzgen, issue/422 pull/424

      Previously, wasm-pack may have printed stderr twice in some circumstances. This was both confusing and not a pleasant experience, so now we've ensued that wasm-pack prints stderr exactly once! (It's hard enough to have errors, you don't want wasm-pack rubbing it in, right?)

    • Add no-modules to --target flag's help text - fitzgen, issue/416 pull/417

      This is an interesting one! fitzgen very reasonably filed an issue asking to add wasm-bindgen's --target no-modules feature to wasm-pack. This was confusing as this feature was indeed already implemented, and documented- BUT, notably missing from the wasm-pack --help text. We've fixed that now- and it was an omission so glaring we definitely considered it a bug!

  • πŸ› οΈ Maintenance

    • Replace slog with log - alexcrichton, issue/425 pull/434

      For internal maintenance reasons, as well as several end-user ones, we've migrated away from the slog family of crates, and are now using the log crate plus env_logger. Now, wasm-pack won't create a wasm-pack.log. Additionally, enabling logging will now be done through RUST_LOG=wasm_pack instead of -v flags.

    • Move binary installation to its own crate - drager, issue/384 pull/415

      In wasm-pack 0.5.0, we move away from cargo installing many of the tools that wasm-pack orchestrates. Because we used cargo install, this required an end user to sit through the compilation of each tool, which was a prohibitively long time. We moved, instead, to building, and then installing, binaries of the tools. This sped up build times dramatically!

      This pattern has been very beneficial to wasm-pack and is potentially something that could be beneficial to other projects! As a result, we've refactored it out into a crate and have published it as it's own crate, binary-install.

    • Replace internal Error with failure::Error - alexcrichton, pull/436

      The story of error message handling in wasm-pack has not been the prettiest. We originally were manually implementing errors, adding the failure crate at one point, but not fully updating the entire codebase. With this PR, we are nearly completely handling errors with failure, bringing the code into a much more maintainable and pleasant-to-work-on place.

    • Update mdbook version used by Travis - fitzgen, pull/433

    • Read the Cargo.toml file only once - fitzgen, issue/25 pull/431

      This is a very fun one since it fixes one of the original issues filed by ag_dubs at the very beginning of wasm-pack development. In a rush to implement a POC tool, ag_dubs noted for posterity that the Cargo.toml was being read multiple times (twice), when it did not need to be. Thanks to fitzgen now it's read only once! A minor performance improvement in the scheme of things, but a nice one :)

    • Use name field for Travis CI jobs - fitzgen, pull/432

    • Add a test for build command - huangjj27, pull/408

    • Test paths on Windows - xmclark, issue/380 pull/389

    • Fix typo in test function name for copying the README - mstallmo, pull/412

  • πŸ“– Documentation

    • Complete template deep dive docs - danwilhelm, issue/345 issue/346 pull/490

      In a rush to publish a release, ag_dubs left some "Coming soon!" comments on most pages of the "Template Deep Dive" docs. These docs help walk new users through the boilerplate that using the wasm-pack template generates for you. Thanks so much to danwilhem for picking this up and doing an excellent job!

    • Minor docs updates - fitzgen, issue/473 pull/485

πŸŒ„ 0.5.1

  • πŸ€• Fixes

    • Child Process and output management - fitzgen, issue/287 pull/392

      Not exactly a "fix", but definitely a huge improvment in how child processes and their output are handled by wasm-pack. Ever sat at a long prompt from wasm-pack and wondered what was happening? No longer! Did wasm-pack eat your test output- no more!

    • Less scary missing field messages - mstallmo, issue/393 pull/394

      After watching a livestream of someone using wasm-pack, fitzgen noted that folks seemed pretty alarmed by the loud warning about missing optional manifest fields. As a result, we are now downgrading those messages from WARN to INFO, and consolidating them on a single line.

    • Add exit_status to CLI errors - konstin, issue/291 pull/387

      We'd been hiding these- but we shouldn't have been!

    • Remove lingering forced nightly usage - alexcrichton, pull/383

      In 0.5.0 we removed all forced nightly usage as we depend on ~1.30 which is now available on both nightly and beta channels! We had a bit of a race condition with that PR and the wasm-pack test PR, and missed a few as a result! This removes all lingering forced nightly, which only affected the wasm-pack test command.

    • Fix wasm-bindgen-test dependency error message - fitzgen, issue/377 pull/378

      The error message about missing the wasm-bindgen-test dependency errantly stated that the user was missing a wasm-bindgen dependency! We've fixed it to correctly state the missing dependency now.

    • Fix prerequisites links in docs - fitzgen, pull/376

  • πŸ› οΈ Maintenance

    • Leverage failure::Error consistently - drager, issue/280 pull/401

      This PR finally makes it so that wasm-pack is handling errors in a consistent way across the codebase.

β˜€οΈ 0.5.0

  • ✨ Features

    • Website! - ashleygwilliams, [pull/246]

      We have a website now. It has the installer and links to documentation. In the future, we hope to have calls to action for folks first coming to the site who are looking to do specific things- these will help them find the docs and tutorials they need to.

      This PR also has a complete rework of our documentation.

      Check it out here!

    • 🍱 Module Support

      • BREAKING: use correct package.json keys for generated JavaScript - ashleygwilliams, issue/309 pull/312

        This is marked as potentially breaking because it changes the package.json keys that are generated by the project.

        Previously, we generated a JavaScript file and placed it in the main key, regardless of what you were targeting, ES6 and Node.js alike.

        We have received a lot of requests for wasm-pack to generate "isomorphic" packages, that contain assets that could work on both Node.js and ES6, and this led to us looking more closely at how we are using package.json.

        With this release, we will do the following:

        • --target browser: By default, we generate JS that is an ES6 module. We used to put this in the main field. Now we put it in the module field. We also add sideEffects: false so that bundlers that want to tree shake can.

        • --target nodejs: This target doesn't change. We put generated JS that is a CommonJS module in the main key.

        • --target no-modules: This is a new target. For this target we generate bare JavaScript. This code is put in a browser field.

        You can see the structs that represent each target's expected package.json here.

        Thanks so much to bterlson for his help in sorting this out for us!

    • πŸ› οΈ New Commands

      • wasm-pack init is now wasm-pack build - csmoe, issue/188 pull/216

        When this project was first conceived, we imagined it would be simply a way to package up generate wasm and js and publish it to npm. Here we are at version 0.5.0 and we have become much more- an integrated build tool!

        As a result, the original command init does a lot more than that these days. We've renamed the command to better reflect the work it's actually doing. init will still work, but is deprecated now, and we will eventually remove it.

      • add new command: wasm-pack test - fitzgen, pull/271

        This is an experimental new command that will run your tests in Node.js or a headless browser using wasm-pack test. Check out this tutorial to learn more!

      • add 2FA support to wasm-pack publish - mstallmo, issue/257 pull/282

        We've been wrapping the npm login and npm publish commands as wasm-pack login and wasm-pack publish for a while now- but we didn't fully support two factor authentication. Now we do! (Be safe out there! 2FA is good for everyone!)

    • 🎏 New Flags

      • New target, bare JavaScript: --target no-modules - ashleygwilliams, issue/317 pull/327

        wasm-bindgen offers a no-modules flag that until now, we didn't support. This flag produces bare, no modules JavaScript. So if that's your thing, this target is for you!

      • --access flag for wasm-pack publish - ashleygwilliams, issue/297 pull/299

        Many of our tutorials use scopes to help prevent folks from attempting to publish packages that will lead to npm Registry errors because the package name already exists.

        However, by default, scoped packages are assumed by the npm registry to be private, and the ability to publish private packages to the npm registry is a paid feature. Worry not! Now you can pass --access public to wasm-pack publish and publish scoped packages publicly.

    • βœ… New Checks

      • rustc version check - ashleygwilliams, [issue/351] [pull/353]

        Now that we have a new fangled installer, there's a chance that folks might install wasm-pack and not have Rust installed. Additionally, now that the features we required from the nightly channel of Rust have moved to beta- we don't need to enforce nightly.

        As of this release, we will check that your Rust version is above 1.30.0. You can be on either the nightly or beta channel and all of wasm-packs calls to cargo will respect that.

        Really hate this? You can pass --mode force to wasm-pack to skip this check. I hope you know what you're doing!

      • coordinating wasm-bindgen versions and installing from binaries for improved speed - datapup, issue/146 pull/244 pull/324

        This is the true gem of this release. Have you been frustrated by how long wasm-pack takes to run? Overusing --mode no-install? This is the release you're looking for.

        Many releases back we realized that folks were struggling to keep the wasm-bindgen library that their project used in sync with the wasm-bindgen CLI application which wasm-pack runs for you. This became such an issue that we opted to force install wasm-bindgen to ensure that every wasm-pack user had the latest version.

        Like many technical solutions, this solved our original problem, but caused a new one. Now, we we are forcing a cargo install of wasm-bindgen on every run, and that means downloading and compiling wasm-bindgen everytime you want to run wasm-pack. That's unacceptable!

        We're happy to announce that we have a pretty great solution, and several more planned for future releases. As of this release, we will read your Cargo.lock to find the version of wasm-bindgen you are using in your local project. We will attempt to fetch a binary version of wasm-bindgen that matches your local version. We place that binary local to your project, and use it when you run wasm-pack build. The next time you run wasm-pack build we'll use that binary, instead of fetching a new one. We still fall back to cargo install for less common architectures but this is a huge speed improvement. Check out these benchmarks!

        wasm-pack v0.4.2
        $ time wasm-pack init                   # fresh build
        real    1m58.802s
        user    14m49.679s
        sys     0m24.957s
        
        $ time wasm-pack init                   # re-build
        real    0m56.953s
        user    11m12.075s
        sys     0m18.835s
        
        $ time wasm-pack init -m no-install     # re-build with no-install
        real    0m0.091s
        user    0m0.052s
        sys     0m0.042s
        
        wasm-pack v0.5.0
        $ time wasm-pack build                  # fresh build
        real    1m3.350s
        user    3m46.912s
        sys     0m6.057s
        
        $ time wasm-pack build                  # re-build
        real    0m0.230s
        user    0m0.185s
        sys     0m0.047s
        
        $ time wasm-pack build -m no-install    # re-build with no-install
        real    0m0.104s
        user    0m0.066s
        sys     0m0.041s
        
      • enforce cargo build with --lib - ashleygwilliams, issue/303 pull/330

        Right now, wasm-pack only works on Rust library projects. But sometimes, if you're new to Rust, you might end up having a main.rs in your project, just by mistake. Some folks ran into this and realized that it can cause issues!

        As a result, we are enforcing that cargo build only build the library at this time.

        Want to use wasm-pack on a binary application? We're interested in hearing from you! Checkout issue/326 and please comment! We want to support binary applicaitons in the future and are always happy and curious to hear about how folks use wasm-pack!

    • Installers and Releases

      • Appveyor Windows Pre-Built binaries - alexcrichton, issue/147 pull/301

        We finally got Appveyor to publish pre-built binaries to GitHub releases. Aside: I really wish there were an easier way to test and debug this stuff.

      • new experimental installer - alexcrichton, pull/307

        Whew, this one is exciting. Up until now, wasm-pack has been distributed using cargo install. This is not ideal for several reasons. Updating is confusing, and every time it's installed the user has to wait for it to compile- right at the moment they just want to hurry up and use it already.

        Say hello to the new wasm-pack installer- we have an executable for Windows and a curl script for *nix users. Not pleased with that? File an issue for your preferred distribution method and we'll do our best to get it working!

        This is experimental- so please try it out and file issues as you run into things! You'll always be able to use cargo install as a backup.

        Checkout the new installer here!

  • πŸ› οΈ Maintenance

  • πŸ“– Documentation

    • improve readability of warnings about missing optional fields - twilco, pull/296

      A little punctuation goes a long way. Error message improvement PRs are the best.

    • update links in README - alexcrichton, pull/300

      We had a real dicey documentation situation for a while. Sorry about that, and thank you SO MUCH to all the folks who filed PRs to fix it.

    • fix broken links in book by using relative paths - mstallmo, issue/325 pull/328

✨ 0.4.2

  • πŸ€• Fixes

    • recognize [dependencies.wasm-bindgen] during dep check in init - ashleygwilliams, issue/221 pull/224

      When we originally implemented the dependency check in wasm-pack init we naively only checked for the "simple" dependency declaration, [dependencies] wasm-bindgen="0.2". However! This is not the only way to declare this dependency, and it's not the ideal way to do it if you want to specify features from the crate. Now that a bunch of folks want to use features = ["serde-serialize"] we ran into a bunch of folks having issues with our naive dependency checker! Thanks so much to turboladen for filing the very detailed issue that helped us solve this quickly!

      PSSSST! Curious what features = ["serde-serialize"] with wasm-bindgen actually does? It's awesome:

      It's possible to pass data from Rust to JS not explicitly supported in the Feature Reference by serializing via Serde.

      Read the Passing arbitrary data to JS docs to learn more!

    • improve UX of publish and pack commands - Mackiovello, pull/198

      Previous to this fix, you would need to be in the parent directory of the /pkg dir to successfully run pack or publish. This was pretty crummy! Thankfully, Mackiovello swooped in with a fix, that you can find documented in the pack and publish docs!

    • use PathBuf instead of String for paths - Mackiovello, pull/220

      This is mostly a maintenance PR but does fix one very small bug- depending on if you add a trailing slash to a path that you pass to init, you might have seen an extra /! Now that we're using a proper Type to handle this, that's much better, and in general, all the operations using paths are more robust now.

  • πŸ“– Documentation

    • update docs and tests to eliminate no longer necessary feature flags - ashleygwilliams, pull/226

      The Rust 2018 edition marches on and we are seeing feature flags drop like flies :) Instead of a whole slew of feature flags, we now only need one, #![feature(use_extern_macros)], and that one is also not long for this world :)

⭐ 0.4.1

  • πŸ€• Fixes

    • fix files key value for projects build for nodejs target - ashleygwilliams, issue/199 pull/205

      We became aware that the files key in package.json did not include the additional _bg.js file that wasm-bindgen generates for projects being built for the nodejs target. This resulted in the file not being included in the published package and resulted in a Module Not Found error for folks.

      This was a group effort from mciantyre with pull/200 and Brooooooklyn with pull/197. Thank you so much for your diligence and patience while we sorted through it.

  • πŸ› οΈ Maintenance

    • clean up quicli remnants - SoryRawyer, pull/193

      In v0.3.0 we removed the quicli dependency, however there were a few remnants left behind. They are now removed!

  • πŸ“– Documentation

    • DOCUMENT EVERYTHING!! and deny missing docs for all future development - fitzgen, pull/208

      The wasm-pack team has worked hard on tutorial documentation and keeping the codebase as self-explanatory as possible, but we have been slowly accruing a documentation debt. This amazing PR, landed just moments before this point release and was just too good not to include. Thank you so much, fitzgen!

    • fix README code example - steveklabnik, pull/195

      The code example in our README.md was missing a critical pub. It's there now!

    • fix README markup - Hywan, pull/202

      There was an errant ` - it's gone now!

🌟 0.4.0

This release has a ton of awesome things in it, but the best thing is that almost all of this awesome work is brought to you by a new contributor to wasm-pack. Welcome ya'll! We're so glad to have you!

✨ Features

  • 🎏 New Flags

    • --mode flag for skipping steps when calling init - ashleygwilliams, pull/186

      After teaching and working with wasm-pack for some time, it's clear that people would like the flexibility to run some of the steps included in the init command and not others. This release introduces a --mode flag that you can pass to init. The two modes currently available are skip-build and no-installs and they are explained below. In the future, we are looking to change the init interface, and potentially to split it into two commands. If you have thoughts or opinions on this, please weigh in on issue/188!

      • skip-build mode - kohensu, pull/151

        wasm-pack init --mode skip-build
        

        Sometimes you want to run some of the shorter meta-data steps that wasm-pack init does for you without all the longer build steps. Now you can! Additionally, this PR was a fantastic refactor that allows even more custom build configurations will be simple to implement!

      • no-installs mode - ashleygwilliams, pull/186

        wasm-pack init --mode no-installs
        

        Sometimes you want to run wasm-pack and not have it modify your global env by installing stuff! Or maybe you are just in a hurry and trust your env is set up correctly- now the --mode no-install option allows you to do this.

    • --debug - clanehin, pull/127

      wasm-pack init --debug
      

      Find yourself needing to compile your Rust in development mode? You can now pass the --debug flag to do so! Thanks so much to clanehin for filing issue/126 for this feature... and then implementing it!

  • βœ… New Checks

    • ensure you have cdylib crate type - kendromelon, pull/150

      One of the biggest mistakes we've seen beginners make is forgetting to declare the cdylib crate type in their Cargo.toml before running wasm-pack init. This PR fixes that, and comes from someone who ran into this exact issue learning about wasm-pack at JSConfEU! Love when it works out like this.

    • ensure you have declared wasm-bindgen as a dep - robertohuertasm, pull/162

      Another easy mistake to make is to forget to declare wasm-bindgen as a dependency in your Cargo.toml. Now wasm-pack will check and make sure you have it set before doing a bunch of long build steps :)

    • ensure you are running nightly - FreeMasen, pull/172

      wasm-pack currently requires that you run it with nightly Rust. Now, wasm-pack will make sure you have nightly installed and will ensure that cargo build is run with nightly. Thanks so much to FreeMasen for filing issue/171 and fixing it!

πŸ€• Fixes

  • fixed broken progress bar spinner - migerh, pull/164

    Oh no! We broke the progress bar spinner in version 0.3.0. Thankfully, it's fixed now- with a thoughtful refactor that also makes the underlying code sounder overall.

πŸ› οΈ Maintenance

  • WIP bot - ashleygwilliams & mgattozzi, issue/170

    We've got a lot of work happening on wasm-pack so it's good to have a bit of protection from accidentally merging a Work In Progress. As a result, we now have the WIP Github App set up on wasm-pack. Great suggestion mgattozzi!

  • modularize command.rs - ashleygwilliams, pull/182

    Thanks to the growth of wasm-pack, command.rs was getting pretty long. We've broken it out into per command modules now, to help make it easier to read and maintain!

  • improve PoisonError conversion - migerh, pull/187

    As part of the awesome progress bar spinner fix in pull/164, migerh introduced a small concern with an unwrap due to an outstanding need to convert PoisonError into wasm-pack's custom Error. Though not a critical concern, migerh mitigated this right away by replacing std::sync::RwLock with the parking_lot crate! This cleaned up the code even more than the previous patch!

  • wasm category for crates.io discovery- TomasHubelbauer, pull/149

    crates.io has categories to help folks discover crates, be we weren't leveraging it! Now- if you explore the wasm category on crates.io you'll see wasm-pack!

πŸ“– Documentation

  • cleaned up the README - ashleygwilliams, pull/155

    Our README was struggling with a common problem- doing too much at once. More specifically, it wasn't clear who the audience was, contributers or end users? We've cleaned up our README and created a document specifically to help contributors get up and running.

🌠 0.3.1

Babby's first point release! Are we a real project now?

πŸ€• Fixes

  • fixed init Is a Directory error - ashleygwilliams, pull/139

    Our new logging feature accidentally introduced a regression into 0.3.0. When calling wasm-pack init, if a directory was not passed, a user would receive a "Is a Directory" Error. Sorry about that! Thanks to jbolila for filing issue/136!

  • typescript files were not included in published package - danreeves, pull/138

    Generating Typescript type files by default was a pretty rad feature in 0.3.0 but we accidentally forgot to ensure they were included in the published package. Thanks so much to danreeves for catching this issue and fixing it for us!

πŸ’« 0.3.0

✨ Features

  • Logging - mgattozzi, pull/134

    Up until now, we've forced folks to rely on emoji-jammed console output to debug errors. While emojis are fun, this is often not the most pleasant experience. Now we'll generate a wasm-pack.log file if wasm-pack errors on you, and you can customize the log verbosity using the (previously unimplemented) verbosity flag.

  • --target flag - djfarly, pull/132

    wasm-bindgen-cli is able to generate a JS module wrapper for generated wasm files for both ES6 modules and CommonJS. Up until now, we only used wasm-bindgen's default behavior, ES6 modules. You can now pass a --target flag with either nodejs or browser to generate the type of module you want to use. Defaults to browser if not passed.

  • human readable panics - yoshuawuyts, pull/118

    Panics aren't always the most friendly situation ever. While we never want to panic on ya, if we do- we'll do it in a way that's a little more readable now.

  • typescript support by default - kwonoj, pull/109

    wasm-bindgen now generates typescript type files by default. To suppress generating the type file you can pass the --no-typescript flag. The type file is useful for more than just typescript folks- many IDEs use it for completion!

  • wrap npm login command - djfarly, pull/100

    In order to publish a package to npm, you need to be logged in. You can now use wasm-pack login to login to the npm (or any other) registry.

  • exit early on failure - mgattozzi, pull/90

    Until now, wasm-pack would continue to run tasks, even if a task failed. Now- if something fails, we'll exit so you don't have to wait to fix the error.

πŸ€• Fixes

  • force install wasm-bindgen - ashleygwilliams, pull/133

    Using an out of date version of wasm-bindgen can run you into a bunch of trouble. This very small change should fix the large number of bug reports we received from users using an out of date wasm-bindgen-cli by force installing wasm-bindgen-cli to ensure the user always has the latest version. We don't expect this to be a forever solution (it's a bit slow!) but it should help those who are getting started have a less rough time.

  • fix CI release builds - ashleygwilliams, pull/135

    This was not working! But now it is! You can always use cargo install to install wasm-pack, but now you can find pre-built Linux and Mac binaries in the Releases tab of our GitHub repo.

πŸ› οΈ Maintenance

  • remove quicli dependency - mgattozzi, pull/131

    While quicli is a great way to get started writing a CLI app in Rust- it's not meant for large, mature applications. Now that wasm-pack is bigger and has many active users, we've removed this dependency to unblock further development on the tool.

  • update rustfmt CI test - djfarly, pull/128

    Since 0.2.0 how one should call rustfmt changed! We've kept it up to date so we can continue to maintain conventional style in the codebase.

  • custom module for errors - mgattozzi, pull/120

    Thanks to the failure crate, we've been playing fast and loose with errors for a bit. We're finally getting serious about error handling - by organizing all of our specific errors in a specific module. This will make it easier to communicate these errors out and handle new error cases from future features.

πŸ“– Documentation

Special thanks to data-pup who continues to be our documentation champion! In case you missed it, check out the guides in the docs directory!!

🌌 0.2.0

This release focuses on filling out all commands and improving stderr/out handling for improved user experience!

✨ Features

  • pack and publish - jamiebuilds, pull/67 You can now run wasm-pack pack to generate a tarball of your generated package, as well as run wasm-pack publish to publish your package to the npm registry. Both commands require that you have npm installed, and the publish command requires that you be logged in to the npm client. We're working on wrapping the npm login command so that you can also login directly from wasm-pack, see pull/100 for more details.
  • package.json is pretty printed now - yoshuawuyts, pull/70

    Previously, package.json was not very human readable. Now it is pretty printed!

  • collaborators - yoshuawuyts, pull/70

    wasm-pack now will fill out the collaborators field in your package.json for you based on your Cargo.toml authors data. For more discussion on how we decided on this v.s. other types of author fields in package.json, see issues/2.

πŸ€• Fixes

πŸ› οΈ Maintenance and πŸ“– Documentation

Thanks so much to mgattozzi, data-pup, sendilkumarn, Andy-Bell, steveklabnik, jasondavies, and edsrzf for all the awesome refactoring, documentation, typo-fixing, and testing work. We appreciate it so much!

πŸ’₯ 0.1.0

  • First release!