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feat: enable lazy barrel by default #11841

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Merged
ahabhgk merged 1 commit into from
Oct 11, 2025
Merged

feat: enable lazy barrel by default #11841

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3 changes: 1 addition & 2 deletions packages/rspack-test-tools/src/case/cache.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -141,8 +141,7 @@ function defaultOptions(
force: false
}
},
inlineConst: true,
lazyBarrel: true
inlineConst: true
}
} as TCompilerOptions<ECompilerType.Rspack>;

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3 changes: 1 addition & 2 deletions packages/rspack-test-tools/src/case/config.ts
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Expand Up @@ -102,8 +102,7 @@ export function defaultOptions(
force: false
}
},
inlineConst: true,
lazyBarrel: true
inlineConst: true
}
};
}
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3 changes: 1 addition & 2 deletions packages/rspack-test-tools/src/case/diagnostic.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -99,8 +99,7 @@ function defaultOptions<T extends ECompilerType.Rspack>(
force: false
}
},
inlineConst: true,
lazyBarrel: true
inlineConst: true
}
} as TCompilerOptions<T>;
}
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3 changes: 1 addition & 2 deletions packages/rspack-test-tools/src/case/hash.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -85,8 +85,7 @@ function defaultOptions(
force: false
}
},
inlineConst: true,
lazyBarrel: true
inlineConst: true
}
};
}
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3 changes: 1 addition & 2 deletions packages/rspack-test-tools/src/case/hook.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -285,8 +285,7 @@ function defaultOptions(
force: false
}
},
inlineConst: true,
lazyBarrel: true
inlineConst: true
}
} as TCompilerOptions<ECompilerType.Rspack>;
if (custom) {
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3 changes: 1 addition & 2 deletions packages/rspack-test-tools/src/case/hot.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -149,8 +149,7 @@ function defaultOptions(
force: false
}
},
inlineConst: true,
lazyBarrel: true
inlineConst: true
}
} as TCompilerOptions<ECompilerType.Rspack>;

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1 change: 0 additions & 1 deletion packages/rspack-test-tools/src/case/normal.ts
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Expand Up @@ -233,7 +233,6 @@ function defaultOptions<T extends ECompilerType.Rspack>(
asyncWebAssembly: true,
topLevelAwait: true,
inlineConst: true,
lazyBarrel: true,
// CHANGE: rspack does not support `backCompat` yet.
// backCompat: false,
// CHANGE: Rspack enables `css` by default.
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3 changes: 1 addition & 2 deletions packages/rspack-test-tools/src/case/stats-output.ts
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Expand Up @@ -112,8 +112,7 @@ function defaultOptions(
force: false
}
},
inlineConst: true,
lazyBarrel: true
inlineConst: true
}
} as TCompilerOptions<ECompilerType.Rspack>;
}
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2 changes: 1 addition & 1 deletion packages/rspack/src/config/defaults.ts
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Expand Up @@ -280,7 +280,7 @@ const applyExperimentsDefaults = (
D(experiments, "typeReexportsPresence", false);

// IGNORE(experiments.lazyBarrel): Rspack specific configuration for lazy make side effects free barrel file
D(experiments, "lazyBarrel", false);
D(experiments, "lazyBarrel", true);
};

const applybundlerInfoDefaults = (
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2 changes: 1 addition & 1 deletion tests/rspack-test/defaultsCases/default/base.js
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Expand Up @@ -45,7 +45,7 @@ module.exports = {
},
inlineConst: false,
inlineEnum: false,
lazyBarrel: false,
lazyBarrel: true,
lazyCompilation: false,
parallelCodeSplitting: false,
parallelLoader: false,
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2 changes: 1 addition & 1 deletion website/docs/en/config/experiments.mdx
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Expand Up @@ -859,7 +859,7 @@ export default {
<ApiMeta addedVersion="1.5.0" />

- **Type:** `boolean`
- **Default:** `false`
- **Default:** `true` (enabled by default after v1.6.0)

Whether to skip building unused re-export modules in side-effect-free barrel files to optimize build performance.

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2 changes: 1 addition & 1 deletion website/docs/zh/config/experiments.mdx
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Expand Up @@ -860,7 +860,7 @@ export default {
<ApiMeta addedVersion="1.5.0" />

- **类型：** `boolean`
- **默认值：** `false`
- **默认值：** `true` (v1.6.0 后默认开启)

是否跳过无副作用的重导出模块（barrel file）中未被使用到的模块的构建，以优化构建性能。

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