Microsoft/TypeScript

Support automatically updating URL import references when using `new URL(<file>, import.meta.url)`

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#43,759 创建于 2021年4月21日

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 (3 评论) (3 反应) (0 负责人)TypeScript (48,455 star) (6,726 fork)batch import
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描述

Bug Report

🔎 Search Terms

import.meta.url

🕗 Version & Regression Information

  • This is the behavior in every version I tried, and I reviewed the FAQ for entries about 4.3.0

⏯ Playground Link

Workbench repo

💻 Code

Given the following files:

folder/file1.ts

console.log('file1');

export const foo = 42;

different-folder/file2.ts

new URL('../folder/file1.js', import.meta.url);
import('../folder/file1.js');

export const bar = 5;
  1. Create a new directory sub-folder/ in root
  2. Move different-folder/ into sub-folder/ so that the layout becomes sub-folder/different-folder/file2.ts
  3. When prompted for "Update imports for 'different-folder'?" click "Yes"

🙁 Actual behavior

sub-folder/different-folder/file2.ts

new URL('../folder/file1.js', import.meta.url);
import('../../folder/file1.js');

export const bar = 5;

The same is true if folder/file1.js is moved to a different location.

🙂 Expected behavior

Similar to the dynamic import, a file reference based on import.meta.url that points to a different TypeScript file should correctly be renamed accordingly.

sub-folder/different-folder/file2.ts

new URL('../../folder/file1.js', import.meta.url);
import('../../folder/file1.js');

export const bar = 5;

VS Code supports the standard dynamic import to handle file renaming. Since import.meta.url and URL are a standard way of resolving files, I would expect VS Code to natively support it as well. For example, Parcel compatibility is implemented in https://github.com/parcel-bundler/parcel/issues/5473, is implemented in Webpack 5 https://github.com/webpack/webpack/pull/11075 and is scheduled for implementation in ESBuild https://github.com/evanw/esbuild/issues/312#issuecomment-800730525

This issue was originally filed at https://github.com/microsoft/vscode/issues/121391

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