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Add support for wasm-bindgen's browser-only hint #1403

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Add support for wasm-bindgen's browser-only hint #1403

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8 changes: 8 additions & 0 deletions src/bindgen.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@ pub fn wasm_bindgen_build(
disable_dts: bool,
weak_refs: bool,
reference_types: bool,
browser_only: bool,
target: Target,
profile: BuildProfile,
extra_options: &Vec<String>,
Expand Down Expand Up @@ -70,6 +71,13 @@ pub fn wasm_bindgen_build(
let target_arg = build_target_arg(target, &bindgen_path)?;
if supports_dash_dash_target(&bindgen_path)? {
cmd.arg("--target").arg(target_arg);
if browser_only {
if let Target::Bundler = target {
cmd.arg("--browser");
} else {
bail!("You can only specify `--browser` when building for the 'bundler' target.")
}
}
} else {
cmd.arg(target_arg);
}
Expand Down
9 changes: 9 additions & 0 deletions src/command/build.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@ pub struct Build {
pub disable_dts: bool,
pub weak_refs: bool,
pub reference_types: bool,
pub browser_only: bool,
pub target: Target,
pub no_pack: bool,
pub no_opt: bool,
Expand Down Expand Up @@ -139,6 +140,11 @@ pub struct BuildOptions {
/// Enable usage of WebAssembly reference types.
pub reference_types: bool,

#[clap(long = "browser")]
/// Hint that the generated JS should only be compatible with a browser.
/// Only supported when using the 'bundler' target.
pub browser_only: bool,

#[clap(long = "target", short = 't', default_value = "bundler")]
/// Sets the target environment. [possible values: bundler, nodejs, web, no-modules, deno]
pub target: Target,
Expand Down Expand Up @@ -189,6 +195,7 @@ impl Default for BuildOptions {
disable_dts: false,
weak_refs: false,
reference_types: false,
browser_only: false,
target: Target::default(),
debug: false,
dev: false,
Expand Down Expand Up @@ -237,6 +244,7 @@ impl Build {
disable_dts: build_opts.disable_dts,
weak_refs: build_opts.weak_refs,
reference_types: build_opts.reference_types,
browser_only: build_opts.browser_only,
target: build_opts.target,
no_pack: build_opts.no_pack,
no_opt: build_opts.no_opt,
Expand Down Expand Up @@ -429,6 +437,7 @@ impl Build {
self.disable_dts,
self.weak_refs,
self.reference_types,
self.browser_only,
self.target,
self.profile,
&self.extra_options,
Expand Down
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