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@launchmystore/cli

v2.0.3

Published

LaunchMyStore CLI — scaffold apps, deploy extensions, compile WASM functions locally (Javy), tail webhook logs.

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Links

Git

Maintainers

launchmystorelaunchmystore

Keywords

launchmystorelmsclishopifyecommercewasmjavyfunctionsapp-bridgeextensionswebhooks

Readme

@launchmystore/cli

lms — command-line tool for the LaunchMyStore app ecosystem. Scaffold apps, deploy extensions and functions, manage webhooks, and tail logs without leaving your terminal.

About LaunchMyStore

LaunchMyStore is a multi-tenant e-commerce platform that renders Shopify-compatible Liquid themes and runs a full app ecosystem on top of them. Merchants get a branded storefront on a custom domain; developers ship apps that extend the storefront, checkout, and admin via the same Apps row, OAuth scopes, webhooks, and declarative function manifests. This CLI is the developer-side companion to the App Bridge SDK and React bindings.

Learn more: launchmystore.io · Docs: docs.launchmystore.io

Install

npm install -g @launchmystore/cli

Requires Node.js 18+. To build functions you'll also need Bytecode Alliance Javy v3+.

Quick start

lms auth login
lms app create
lms function build  --file src/discount.js -o dist/discount.wasm
lms function test   --file src/discount.js --type discount
lms function deploy --file src/discount.js --handle save-10 --type discount
lms extension push --name "Reviews" --handle reviews --type app_block --target product --path ./reviews
lms webhook list

Run lms <command> --help for full options on any subcommand.

Functions: local compile

Functions are compiled on your machine using the Bytecode Alliance Javy toolchain, then uploaded as pre-built .wasm. The server only validates that uploads are Javy dynamic-mode modules — it never compiles your code. This mirrors how Shopify Functions are shipped.

Install Javy and put it on your $PATH, or set JAVY_BIN_PATH to its absolute location.

  • lms function build — compile JS to a dynamic-mode .wasm
  • lms function deploy — build then upload (--wasm <path> skips the build and uploads a pre-built artifact)
  • lms function test — build then run in the sandbox

Source-size limit: 64 KB. Compiled-size limit: 256 KB.

Configuration

  • Credentials: ~/.lms/credentials.json (mode 0600). Override the directory with LMS_CONFIG_DIR.
  • API base: https://api.launchmystore.io by default. Override with LMS_API_BASE or lms auth login --api-base <url>.
  • Project config: .lmsrc.json in your repo. Auto-discovered up to 10 parent directories. Most commands default to its appId.

Command groups

  • lms auth — login / logout / whoami
  • lms app — create / list / info
  • lms function — build / test / deploy / list / logs
  • lms extension — list / push / remove
  • lms webhook — list / retry

See the docs for full details.