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e4ddfcc899
swc_bundler: - Add direct support for `export * as ns from 'foo';`. (#1137) swc_ecma_transforms: - Split `export` pass to `export_namespace_from` and `export_default_from`. swc: - Enable `export * as ns` for targets lower than es2020.
78 lines
1.5 KiB
Rust
78 lines
1.5 KiB
Rust
#![feature(test)]
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use swc_common::chain;
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use swc_ecma_parser::{EsConfig, Syntax};
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use swc_ecma_transforms::{compat::es2020::export_namespace_from, proposals::export_default_from};
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use swc_ecma_visit::Fold;
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#[macro_use]
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mod common;
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fn syntax_default() -> Syntax {
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Syntax::Es(EsConfig {
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export_default_from: true,
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..Default::default()
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})
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}
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fn syntax_namespace() -> Syntax {
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Syntax::Es(EsConfig {
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export_namespace_from: true,
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..Default::default()
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})
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}
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fn tr() -> impl Fold {
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chain!(export_default_from(), export_namespace_from())
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}
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test!(
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syntax_default(),
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|_| tr(),
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default_es6,
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r#"export foo from "bar";"#,
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r#"
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import _foo from "bar";
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export { _foo as foo };
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"#
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);
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test!(
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syntax_default(),
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|_| tr(),
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default_compounded_es6,
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r#"export v, { x, y as w } from "mod";"#,
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r#"
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import _v from "mod";
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export { _v as v };
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export { x, y as w } from "mod";
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"#
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);
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test!(
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syntax_namespace(),
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|_| tr(),
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namespace_compound_es6,
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r"export * as foo, { bar } from 'bar';",
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"import * as _foo from 'bar';
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export { _foo as foo };
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export { bar } from 'bar';
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"
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);
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test!(
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syntax_namespace(),
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|_| tr(),
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namespace_default,
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"export * as default from 'foo';",
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"import * as _default from 'foo';
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export { _default as default };"
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);
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test!(
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syntax_namespace(),
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|_| tr(),
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namespace_es6,
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"export * as foo from 'bar';",
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"import * as _foo from 'bar';
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export { _foo as foo };"
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);
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