dem

• A module version manager for Deno.
• dem creates versioned aliases of modules.
  • alias files are stored in vendor directory.
• modules managed by dem can be easily updated using dem update.

Example of alias file

• vendor/https/deno.land/x/dejs/mod.ts

export * from 'https://deno.land/x/dejs@0.2.0/mod.ts';

Installation

deno install --allow-read --allow-write -f dem https://deno.land/x/dem@0.5.0/cmd.ts

Usage

Getting Started

1. Initialize the project.

$ dem init
successfully initialized the project.

2. Add a module.

$ dem add https://deno.land/std@v0.15.0
successfully added new module: https://deno.land/std, version: v0.15.0

3. Import the added module from the vendor directory.

example.ts

import * as path from './vendor/https/deno.land/std/fs/path.ts';

console.log(path.join(Deno.cwd(), 'example'));

4. Resolve module files in the project.

$ dem ensure
successfully created alias: https://deno.land/std@v0.15.0/fs/path.ts
# This alias file is stored as vendor/https/deno.land/std/fs/path.ts

5. Run the project.

$ deno example.ts

Update modules

$ dem update https://deno.land/std@v0.16.0
successfully updated module: https://deno.land/std, version: v0.16.0

Commands

dem init                                   // initialize dem.json
dem add https://deno.land/x/dejs@0.1.0     // add module `dejs` and set its version to `0.1.0`
dem link https://deno.land/x/dejs/mod.ts   // create alias of `dejs@0.1.0/mod.ts` and put it into vendor.
dem update https://deno.land/x/dejs@0.2.0  // update module to `0.2.0`
dem unlink https://deno.land/x/dejs/mod.ts // remove alias of `dejs@0.2.0/mod.ts`.
dem remove https://deno.land/x/dejs        // remove module `dejs`
dem ensure                                 // resolve file paths of added modules used in project and link them.
dem prune                                  // remove unused modules and aliases.

Unsupported features

• default export
• manage .d.ts file

Author

syumai

License

MIT