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[tool] Improve help info with build web --wasm flags (#125907)

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Also fixed some comments
This commit is contained in:
Kevin Moore 2023-05-03 14:02:07 -07:00 committed by GitHub
parent 0f9d66aad6
commit 2c56a25da3
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2 changed files with 9 additions and 4 deletions
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7
packages/flutter_tools/lib/src/commands/build_web.dart
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@ -98,13 +98,16 @@ class BuildWebCommand extends BuildSubCommand {
);
argParser.addFlag(
'omit-type-checks',
help: 'Omit type checks in Wasm output.',
help: 'Omit type checks in Wasm output.\n'
'Reduces code size and improves performance, but may affect runtime correctness. Use with care.',
negatable: false,
hide: !featureFlags.isFlutterWebWasmEnabled,
);
argParser.addFlag(
'wasm-opt',
help: 'Run wasm-opt on the output wasm module.',
help:
'Optimize output wasm using the Binaryen (https://github.com/WebAssembly/binaryen) tool.\n'
'Increases the build time, but will yield a smaller, faster output.',
negatable: false,
hide: !featureFlags.isFlutterWebWasmEnabled,
);

6
packages/flutter_tools/lib/src/web/compiler_config.dart
View File

@ -147,14 +147,16 @@ class WasmCompilerConfig extends WebCompilerConfig {
runWasmOpt: defines[kRunWasmOpt] == 'true',
);
/// Build environment for [omitTypeChecks];
/// Build environment for [omitTypeChecks].
static const String kOmitTypeChecks = 'WasmOmitTypeChecks';
/// Build environment for [runWasmOpt].
static const String kRunWasmOpt = 'RunWasmOpt';
/// If `omit-type-checks` should be passed to `dart2wasm`.
final bool omitTypeChecks;
// Run wasm-opt on the resulting module.
/// Run wasm-opt on the resulting module.
final bool runWasmOpt;
@override