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An `import` statement with a sole label will import the modules default
export and bind it to a local variable named after the label.
-- Testcase --
import defVal from "./files/test1.uc";
print(defVal, "\n");
-- End --
-- File test1.uc --
export default "This is the default export";
-- End --
-- Args --
-R
-- End --
-- Expect stdout --
This is the default export
-- End --
Attemping to import a default export from a module without default
export will raise an error.
-- Testcase --
import defVal from "./files/test2.uc";
print(defVal, "\n");
-- End --
-- File test2.uc --
export const x = "This is a non-default export";
-- End --
-- Args --
-R
-- End --
-- Expect stderr --
Syntax error: Module ./files/test2.uc has no default export
In line 1, byte 20:
`import defVal from "./files/test2.uc";`
Near here ---------^
-- End --
In import statements usign the list syntax, the `default` keyword can be
used to refer to default exports.
-- Testcase --
import { default as defVal } from "./files/test3.uc";
print(defVal, "\n");
-- End --
-- File test3.uc --
export default "This is the default export";
-- End --
-- Args --
-R
-- End --
-- Expect stdout --
This is the default export
-- End --
When using the default keyword within the list syntax, the `as` keyword is
mandatory to assign a non-reserved keyword as name.
-- Testcase --
import { default } from "./files/test4.uc";
print(defVal, "\n");
-- End --
-- File test4.uc --
export default "This is the default export";
-- End --
-- Args --
-R
-- End --
-- Expect stderr --
Syntax error: Unexpected token
Expecting 'as'
In line 1, byte 18:
`import { default } from "./files/test4.uc";`
Near here -------^
-- End --
|
