Error during library creation

[x0k]

Logs

&  pnpx sv create
Packages: +1
+
Progress: resolved 1, reused 0, downloaded 1, added 1, done

┌  Welcome to the Svelte CLI! (v0.10.2)
│
◇  Where would you like your project to be created?
│  package
│
◇  Which template would you like?
│  Svelte library
│
◇  Add type checking with TypeScript?
│  Yes, using TypeScript syntax
│
◇  What would you like to add to your project? (use arrow keys / space bar)
│  prettier, eslint, vitest, playwright, tailwindcss, devtools-json
│
◇  vitest: What do you want to use vitest for?
│  unit testing, component testing
│
◇  tailwindcss: Which plugins would you like to add?
│  none
│
◆  Project created
│
■  Error: Unable to process 'src/routes/+layout.svelte'. Reason: Failed to determine svelte version
│      at Object.file (file:///home/roman/.cache/pnpm/dlx/bb91ced9f175c6162bb1b69caa235e3593a52dcc12971190d18d5f1080773fae/19aacec033c-160e21/node_modules/.pnpm/sv@0.10.2/node_modules/sv/dist/install-DGNvl1vK.js:3111:35)
│      at Object.run (file:///home/roman/.cache/pnpm/dlx/bb91ced9f175c6162bb1b69caa235e3593a52dcc12971190d18d5f1080773fae/19aacec033c-160e21/node_modules/.pnpm/sv@0.10.2/node_modules/sv/dist/install-DGNvl1vK.js:2708:7)
│      at runAddon (file:///home/roman/.cache/pnpm/dlx/bb91ced9f175c6162bb1b69caa235e3593a52dcc12971190d18d5f1080773fae/19aacec033c-160e21/node_modules/.pnpm/sv@0.10.2/node_modules/sv/dist/install-DGNvl1vK.js:3153:14)
│      at applyAddons (file:///home/roman/.cache/pnpm/dlx/bb91ced9f175c6162bb1b69caa235e3593a52dcc12971190d18d5f1080773fae/19aacec033c-160e21/node_modules/.pnpm/sv@0.10.2/node_modules/sv/dist/install-DGNvl1vK.js:3058:59)
│      at process.processTicksAndRejections (node:internal/process/task_queues:105:5)
│      at async runAddonsApply (file:///home/roman/.cache/pnpm/dlx/bb91ced9f175c6162bb1b69caa235e3593a52dcc12971190d18d5f1080773fae/19aacec033c-160e21/node_modules/.pnpm/sv@0.10.2/node_modules/sv/dist/bin.js:993:59)
│      at async createProject (file:///home/roman/.cache/pnpm/dlx/bb91ced9f175c6162bb1b69caa235e3593a52dcc12971190d18d5f1080773fae/19aacec033c-160e21/node_modules/.pnpm/sv@0.10.2/node_modules/sv/dist/bin.js:1556:63)
│      at async file:///home/roman/.cache/pnpm/dlx/bb91ced9f175c6162bb1b69caa235e3593a52dcc12971190d18d5f1080773fae/19aacec033c-160e21/node_modules/.pnpm/sv@0.10.2/node_modules/sv/dist/bin.js:1418:57
│      at async runCommand (file:///home/roman/.cache/pnpm/dlx/bb91ced9f175c6162bb1b69caa235e3593a52dcc12971190d18d5f1080773fae/19aacec033c-160e21/node_modules/.pnpm/sv@0.10.2/node_modules/sv/dist/bin.js:502:3)
│
└  Operation failed.

File src/routes/+layout.svelte was not created

System info

  System:
    OS: Linux 6.12 cpe:/o:nixos:nixos:25.05 25.05 (Warbler)
    CPU: (12) x64 Intel(R) Core(TM) i5-10400F CPU @ 2.90GHz
    Memory: 3.18 GB / 15.56 GB
    Container: Yes
    Shell: 5.2.37 - /run/current-system/sw/bin/bash
  Binaries:
    Node: 24.11.0 - /nix/store/4grir7s1ls3cbqp8dl91r1w8yz34zw6x-nodejs-24.11.0/bin/node
    npm: 11.6.1 - /nix/store/4grir7s1ls3cbqp8dl91r1w8yz34zw6x-nodejs-24.11.0/bin/npm
    pnpm: 10.22.0 - /nix/store/lalvgz06zbpb1hw43nr7lj8rb05k3yka-pnpm-10.22.0/bin/pnpm
  Browsers:
    Brave Browser: 141.1.83.118

[jycouet]

Thanks for reporting. I'm on it, I know where it's coming from 😑

Side note: I'll add cli tests ! (not only library tests)

[x0k]

This bug has not been fixed in 0.10.3

&  pnpx sv create
Packages: +1
+
Progress: resolved 1, reused 0, downloaded 1, added 1, done

┌  Welcome to the Svelte CLI! (v0.10.3)
│
◇  Where would you like your project to be created?
│  package
│
◇  Which template would you like?
│  Svelte library
│
◇  Add type checking with TypeScript?
│  Yes, using TypeScript syntax
│
◇  What would you like to add to your project? (use arrow keys / space bar)
│  prettier, eslint, vitest, playwright, tailwindcss, sveltekit-adapter, devtools-json
│
◇  vitest: What do you want to use vitest for?
│  unit testing, component testing
│
◇  tailwindcss: Which plugins would you like to add?
│  none
│
◇  sveltekit-adapter: Which SvelteKit adapter would you like to use?
│  static
│
◆  Project created
│
■  Error: Unable to process 'src/routes/+layout.svelte'. Reason: Failed to determine svelte version
│      at Object.file (file:///home/roman/.cache/pnpm/dlx/b234822f509bf25c335664dc7eded224dec3abe4a97d7b22e04e8695f0b8313c/19ab0fcfed4-165bc6/node_modules/.pnpm/sv@0.10.3/node_modules/sv/dist/install-CmSN8tEu.js:3111:35)
│      at Object.run (file:///home/roman/.cache/pnpm/dlx/b234822f509bf25c335664dc7eded224dec3abe4a97d7b22e04e8695f0b8313c/19ab0fcfed4-165bc6/node_modules/.pnpm/sv@0.10.3/node_modules/sv/dist/install-CmSN8tEu.js:2708:7)
│      at runAddon (file:///home/roman/.cache/pnpm/dlx/b234822f509bf25c335664dc7eded224dec3abe4a97d7b22e04e8695f0b8313c/19ab0fcfed4-165bc6/node_modules/.pnpm/sv@0.10.3/node_modules/sv/dist/install-CmSN8tEu.js:3153:14)
│      at applyAddons (file:///home/roman/.cache/pnpm/dlx/b234822f509bf25c335664dc7eded224dec3abe4a97d7b22e04e8695f0b8313c/19ab0fcfed4-165bc6/node_modules/.pnpm/sv@0.10.3/node_modules/sv/dist/install-CmSN8tEu.js:3058:59)
│      at process.processTicksAndRejections (node:internal/process/task_queues:105:5)
│      at async runAddonsApply (file:///home/roman/.cache/pnpm/dlx/b234822f509bf25c335664dc7eded224dec3abe4a97d7b22e04e8695f0b8313c/19ab0fcfed4-165bc6/node_modules/.pnpm/sv@0.10.3/node_modules/sv/dist/bin.js:993:59)
│      at async createProject (file:///home/roman/.cache/pnpm/dlx/b234822f509bf25c335664dc7eded224dec3abe4a97d7b22e04e8695f0b8313c/19ab0fcfed4-165bc6/node_modules/.pnpm/sv@0.10.3/node_modules/sv/dist/bin.js:1556:63)
│      at async file:///home/roman/.cache/pnpm/dlx/b234822f509bf25c335664dc7eded224dec3abe4a97d7b22e04e8695f0b8313c/19ab0fcfed4-165bc6/node_modules/.pnpm/sv@0.10.3/node_modules/sv/dist/bin.js:1418:57
│      at async runCommand (file:///home/roman/.cache/pnpm/dlx/b234822f509bf25c335664dc7eded224dec3abe4a97d7b22e04e8695f0b8313c/19ab0fcfed4-165bc6/node_modules/.pnpm/sv@0.10.3/node_modules/sv/dist/bin.js:502:3)
│
└  Operation failed.

[jycouet]

Can you check with npx https://pkg.pr.new/sveltejs/cli/sv@819 ?

---

Side note: I think that you should replace pnpx with pnpm dlx

[x0k]

Works

Logs

&  pnpx https://pkg.pr.new/sveltejs/cli/sv@819 create

┌  Welcome to the Svelte CLI! (v0.10.3)
│
◇  Where would you like your project to be created?
│  package2
│
◇  Which template would you like?
│  Svelte library
│
◇  Add type checking with TypeScript?
│  Yes, using TypeScript syntax
│
◇  What would you like to add to your project? (use arrow keys / space bar)
│  prettier, eslint, vitest, playwright, tailwindcss, sveltekit-adapter, devtools-json
│
◇  vitest: What do you want to use vitest for?
│  unit testing, component testing
│
◇  tailwindcss: Which plugins would you like to add?
│  none
│
◇  sveltekit-adapter: Which SvelteKit adapter would you like to use?
│  static
│
◆  Project created
│
◆  Successfully setup add-ons: prettier, eslint, vitest, playwright, tailwindcss, sveltekit-adapter, devtools-json
│
◇  Which package manager do you want to install dependencies with?
│  pnpm
│
│  pnpm dlx sv create --template library --types ts --add prettier eslint vitest="usages:unit,component" playwright tailwindcss="plugins:none" sveltekit-adapter="adapter:static" devtools-json --install pnpm package2
│
◆  Successfully installed dependencies with pnpm
│
◇  What's next? ───────────────────────────────╮
│                                              │
│  📁 Project steps                            │
│                                              │
│    1: cd package2                            │
│    2: pnpm run dev --open                    │
│                                              │
│  To close the dev server, hit Ctrl-C         │
│                                              │
│  Stuck? Visit us at https://svelte.dev/chat  │
│                                              │
├──────────────────────────────────────────────╯
│
└  You're all set!