Skip to content

Add ESM support to WASM package #1000

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 2 commits into
base: main
Choose a base branch
from
+1,397 −61
Open

Add ESM support to WASM package #1000

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
89f1c27
feat: add esm support for wasm module
christopher-buss Jun 26, 2025
e2ad71e
simplify: remove unnecessary bundler-specific files and type definitions
christopher-buss Jun 26, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions wasm/.gitignore
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,5 +1,7 @@
stylua.web/
stylua_lib.cjs
stylua_lib.mjs
LICENSE.md
README.md
*.tgz
node_modules
13 changes: 11 additions & 2 deletions wasm/build-wasm.sh
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,10 +1,19 @@
# TODO: Ensure that version is up to date
cp README.md wasm/
cp LICENSE.md wasm/

# Build WASM with wasm-pack
npx wasm-pack@0.10.3 build --target web --out-dir wasm/stylua.web -- --features lua52,lua53,lua54,luajit,luau,cfxlua

# workaround for bundler usage
echo "export { getImports as __getImports, finalizeInit as __finalizeInit }" >> wasm/stylua.web/stylua_lib.js
echo "export { __wbg_get_imports as __getImports, __wbg_finalize_init as __finalizeInit }" >> wasm/stylua.web/stylua_lib.js

# bundle for node CommonJS
npx rollup@4.9.5 wasm/src/stylua_lib_node.cjs --file wasm/stylua_lib.cjs --format cjs
cd wasm && ./node_modules/.bin/rollup src/stylua_lib_node.mjs --file stylua_lib.cjs --format cjs \
--external 'node:fs,node:path,node:url' --plugin @rollup/plugin-node-resolve --plugin @rollup/plugin-commonjs
cd ..

# bundle for node ESM
cd wasm && ./node_modules/.bin/rollup src/stylua_lib_node.mjs --file stylua_lib.mjs --format es \
--external 'node:fs,node:path,node:url'
cd ..
Loading