Re Export Lib

Re-exports — a file that forwards another module's members without itself using them. `add`/`mul`/`greet` are never referenced as bare identifiers here; a re-export only ever binds the target's member into *this file's own export table*, not into its local scope — the forwarded names would be undefined if this file tried to use them directly, only re_export.ts (which actually imports them) can.

export { add } from './re_export_core'
export { mul as multiply } from './re_export_core'
export { default as greet } from './re_export_core'

// A local export list exports this file's own declarations, here under
// an alias too; `export {}` exports nothing and only marks the file a
// module.
const VERSION = "1.0"
function shout(s: string): string { return s.toUpperCase() + "!" }
export { VERSION, shout as loud }
export {}

View source on GitHubexamples/imports/re_export_lib.ts

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