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build_demo_web.sh
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build_demo_web.sh
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#!/bin/bash
set -eu
CRATE_NAME="egui_demo_app"
# This is required to enable the web_sys clipboard API which egui_web uses
# https://rustwasm.github.io/wasm-bindgen/api/web_sys/struct.Clipboard.html
# https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html
export RUSTFLAGS=--cfg=web_sys_unstable_apis
# Clear output from old stuff:
rm -f docs/${CRATE_NAME}_bg.wasm
echo "Building rust…"
BUILD=release
FEATURES="http,persistence,screen_reader"
(
cd egui_demo_app && cargo build \
-p ${CRATE_NAME} \
--release \
--lib \
--target wasm32-unknown-unknown \
--features ${FEATURES}
)
echo "Generating JS bindings for wasm…"
TARGET_NAME="${CRATE_NAME}.wasm"
wasm-bindgen "target/wasm32-unknown-unknown/$BUILD/$TARGET_NAME" \
--out-dir docs --no-modules --no-typescript
# brew install wabt # to get wasm-strip
wasm-strip docs/${CRATE_NAME}_bg.wasm
echo "Finished: docs/${CRATE_NAME}_bg.wasm"
open http://localhost:8888/index.html