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fix: patch __dirname for ESM environments #217

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fix: patch __dirname for ESM environments #217

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3 changes: 3 additions & 0 deletions scripts/update-emscripten.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -59,8 +59,11 @@ emcc -O3 -I ../include *.c -DH3_HAVE_VLA --memory-init-file 0 \
for file in *.js ; do
# Patch libh3 bundle to contain a fix to allow h3-js to be imported in a web worker and react-native
# See #117 and #163 for more details.
# Also patch __dirname for ESM environments (Cloudflare Workers, Node ESM, Deno, Bun)
# See #216 for more details.
cat ../../../../build/pre.js "$file" \
| sed 's/if(document.currentScript)/if(typeof document!=="undefined" \&\& document.currentScript)/g' \
| sed 's/scriptDirectory=__dirname+"\/"/scriptDirectory=typeof __dirname!=="undefined"?__dirname+"\/":""/g' \
> ../../../../out/"$file"
done

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