A cautionary alert is triggered by vsCode when analyzing seemingly correct code sourced from vue.js documentation

While using Visual Studio Code version 1.13.1V and referring to the vue.js guide on lazy loading, I encountered an issue when writing the following code snippet:

import Vue from 'vue'
import Router from 'vue-router'
const Health = () => import('@/components/health')

When inputting this code, vscode displayed the following errors:

file: 'file:///c%3A/projects/vue-lazy-loading/src/router/index.js'
severity: 'Error'
message: 'Expression expected.'
at: '3,22'
source: 'js'

file: 'file:///c%3A/projects/vue-lazy-loading/src/router/index.js'
severity: 'Error'
message: 'Variable declaration expected.'
at: '3,28'
source: 'js'

This is how it appears visually: https://i.stack.imgur.com/TRpAM.png

Is there an issue with the code itself or is it related to VS-Code? What is the correct way to write it?

javascriptvue.jsvisual-studio-code

Answer №1

An issue has been identified regarding the support for dynamic imports in JavaScript within Visual Studio Code, utilizing TypeScript for parsing.

Currently, this feature is not supported. The issue is being tracked on the TypeScript side at Microsoft/TypeScript#14495. TypeScript powers both JS and TS language features.

Dynamic imports are a new feature in JavaScript currently at Stage 3 of the TC39 process. Since it is still under development, some tools are working on implementing support for it.

A solution appears to be in progress.

Support for dynamic imports should be included in Typescript 2.4: Microsoft/TypeScript#14495

We aim to implement TS 2.4 for VSCode 1.14 by June, with availability in the insiders builds shortly afterwards.

At present, there is no direct way to suppress this error. Typically, you can use // @ts-ignore before an error line to disable checking, but this method does not apply to syntax errors such as dynamic imports.

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