svelte.config.js

const pyoner = require("@pyoner/svelte-ts-preprocess")
const { scss, postcss } = require('svelte-preprocess')
const autoprefixer = require('autoprefixer')

// * For svelte-vscode
let configJs = {
    preprocess: pyoner.preprocess(),
}

// * Check svelte-vscode
let isSvelteLanguageServer = false
for (let argv of process.argv) {
    if (argv.indexOf('svelte-language-server') != -1) {
        isSvelteLanguageServer = true
        break
    }
}

// * If the call is by an instance, not by svelte-vscode.
if (!isSvelteLanguageServer) {
    configJs = {
        preprocess: [
            scss(),
            postcss({
                plugins: [
                    autoprefixer()
                ]
            }),
            pyoner.preprocess(),
        ],
        compilerOptions: {
            css: false
        }
    }
}

module.exports = configJs