Allow import.meta with module: es2020

[saschanaz]

TypeScript Version: 4.0.3

Search Terms: import.meta es2020

Code

export function foo() {
  return import.meta.url;
}

Expected behavior: It should work

Actual behavior: The 'import.meta' meta-property is only allowed when the '--module' option is 'esnext' or 'system'.ts(1343)

Playground Link:

Related Issues:

[DanielRosenwasser]

Idea: allow the code when the module target is es2020, change the error message to

The 'import.meta' meta-property is only allowed when the '--module' option is 'es2020', 'esnext', or 'system'.

[DanielRosenwasser]

Actually, is this ES2020? Or ES2021?

[saschanaz]

This is ES2020: tc39/proposals@0c27379#diff-af1d66eb7dbbf6f66e871d26bcad07076a557256a957f558ca21e60924e2b0b7 (it joined after the original import() did in 2019)

See also https://tc39.es/ecma262/2020/#prod-ImportMeta