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Vue recommends enabling isolatedModules, but tsconfig from create-vue doesn't #401

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bmulholland opened this issue Dec 6, 2023 · 3 comments
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Vue recommends enabling isolatedModules, but tsconfig from create-vue doesn't #401

bmulholland opened this issue Dec 6, 2023 · 3 comments

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@bmulholland
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See https://vuejs.org/guide/typescript/overview#configuring-tsconfig-json

Only reference to that config option in this repo is disabling it for Cypress
@cexbrayat
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It does actually: the tsconfig file extends a base configuration:

"extends": "@vue/tsconfig/tsconfig.dom.json",

this is a dependency you have in your package.json, that you can check (or in this repo https://github.com/vuejs/tsconfig)

The base config does not use isolatedModules, but uses verbatimModuleSyntax which is a superset of isolatedModules (see microsoft/TypeScript#53601 (comment))

@cexbrayat cexbrayat closed this as not planned Won't fix, can't repro, duplicate, stale Dec 6, 2023
@bmulholland
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Aha, thanks. FYI, I'd checked vue-tsc --showConfig before posting, but didn't know that verbatimModuleSyntax was a superset.

@bmulholland
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The tsconfig settings (not this project... tsc world) are an absolute disaster, so hard to grok and debug.

@bmulholland bmulholland mentioned this issue Dec 6, 2023
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NataliaTepluhina added a commit to vuejs/docs that referenced this issue Dec 6, 2023
@bmulholland @NataliaTepluhina
Note that verbatimModuleSyntax meets the suggested criteria for `isol…
32c0a6a 
…atedModules` (#2592)

* Note that verbatimModuleSyntax meets the suggested criteria for `isolatedModules`

See also vuejs/create-vue#401

* Update src/guide/typescript/overview.md

---------

Co-authored-by: Natalia Tepluhina <tarya.se@gmail.com>
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@bmulholland @cexbrayat