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Multiple redundant tripleslash directives can be emitted #56590
Description
🔎 Search Terms
tripleslash directive modules reference
🕗 Version & Regression Information
- This is the behavior in every version I tried
⏯ Playground Link
💻 Code
// @module: Node16
// @moduleResolution: Node16
// @declaration: true
/// <reference types="node" />
import {URL} from 'node:url';
import {EventEmitter} from 'node:events';
import {Buffer} from 'node:buffer';
export const stuff: [URL?, EventEmitter?, Buffer?] = [new URL('https://www.typescriptlang.org/play')]🙁 Actual behavior
/// <reference types="node" resolution-mode="require"/>
/// <reference types="node" resolution-mode="require"/>
/// <reference types="node/url.js" />
/// <reference types="node/ts4.8/url.js" />
/// <reference types="node/events.js" />
/// <reference types="node/ts4.8/events.js" />
/// <reference types="node/buffer.js" />
/// <reference types="node/ts4.8/buffer.js" />
import { URL } from 'node:url';
import { EventEmitter } from 'node:events';
import { Buffer } from 'node:buffer';
export declare const stuff: [URL?, EventEmitter?, Buffer?];🙂 Expected behavior
I'd expect only a single /// <reference types="node" resolution-mode="require"/> to be emitted.
Additional information about the issue
Note that types acquisition and switching between ESM/CJS modes is a little bit unreliable in the TS playground so you might have to "touch" the repro to "refresh" the DTS output
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