TS18057: String literal import and export names are not supported when the '--module' flag is set to 'es2015' or 'es2020'.

This is a reference entry from TypeScript diagnosticMessages.json. A full explanation with fixes has not been written yet.

The error message

String literal import and export names are not supported when the '--module' flag is set to 'es2015' or 'es2020'.

As listed by TypeScript diagnosticMessages.json

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Source: TypeScript diagnosticMessages.json. Data fetched 2026-09-25T01:43:12.677Z.