Fixing slow paste with spinner

[navya9singh]

This pr fixes #60485 by making preparePasteEdits return false if an import statement is selected. This is a fix for now that will stop the spinner, but I will be working on #59841 that would enable pasteEdits to fix import specifiers and will also take care of this delay.

[andrewbranch]

Do JavaScript requires and export { foo } from "./bar" need to be considered?

[andrewbranch]

Do all these conditions work if only a an identifier is selected? What about part of the module specifier? The test only shows the case where an entire import declaration is selected.

[navya9singh]

Yes, if only an identifier is selected, it works too because it doesn't enter this if block, instead tries to enter the forEachChild but since it doesn't have any children it just returns and moves to the next iteration. Same for moduleSpecifier. If this is selected { foo }, then it will enter the if block.

[andrewbranch]

Can you add tests to show that it works?

[DanielRosenwasser]

@typescript-bot pack this

[typescript-bot]

Starting jobs; this comment will be updated as builds start and complete.

Command	Status	Results
pack this	✅ Started	✅ Results

[typescript-bot]

Hey @DanielRosenwasser, I've packed this into an installable tgz. You can install it for testing by referencing it in your package.json like so:

{
    "devDependencies": {
        "typescript": "https://typescript.visualstudio.com/cf7ac146-d525-443c-b23c-0d58337efebc/_apis/build/builds/164655/artifacts?artifactName=tgz&fileId=D149E380E1D7F382D2D6683923F50AFB4AC58D952B8FC978D2B5EC11A225DB5902&fileName=/typescript-5.8.0-insiders.20250128.tgz"
    }
}

and then running npm install.

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There is also a playground for this build and an npm module you can use via "typescript": "npm:@typescript-deploys/pr-build@5.8.0-pr-61032-2".;