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Add some comments to the hello-world example

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This commit is contained in:
Alex Crichton 2018-03-02 20:32:48 -08:00
parent e7f7f7864a
commit 98b9bee876
2 changed files with 9 additions and 0 deletions
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6
examples/hello_world/build.sh
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@ -2,8 +2,12 @@
set -ex
# Build the `hello_world.wasm` file using Cargo/rustc
cargo +nightly build --target wasm32-unknown-unknown --release
# Run the `wasm-bindgen` CLI tool to postprocess the wasm file emitted by the
# Rust compiler to emit the JS support glue that's necessary
#
# Here we're using the version of the CLI in this repository, but for external
# usage you'd use the commented out version below
cargo +nightly run --manifest-path ../../crates/wasm-bindgen-cli/Cargo.toml \
@ -11,5 +15,7 @@ cargo +nightly run --manifest-path ../../crates/wasm-bindgen-cli/Cargo.toml \
../../target/wasm32-unknown-unknown/release/hello_world.wasm --out-dir .
# wasm-bindgen ../../target/wasm32-unknown-unknown/hello_world.wasm --out-dir .
# Finally, package everything up using Webpack and start a server so we can
# browse the result
npm install
npm run serve

3
examples/hello_world/index.js
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@ -1,3 +1,6 @@
// Note that a dynamic `import` statement here is required due to
// webpack/webpack#6615, but in theory `import { greet } from './hello_world';`
// will work here one day as well!
const js = import("./hello_world");
js.then(js => {