feat: experimental support for deno v2 (#158)

* feat: add initial support for deno

* fix: deno implementation

* style: consistent pm properties

Co-authored-by: Horu <73709188+HigherOrderLogic@users.noreply.github.com>

* ci: setup deno

* ci: setup deno for autofix too

* lint

* remove majorVersion

---------

Co-authored-by: Horu <73709188+HigherOrderLogic@users.noreply.github.com>
Co-authored-by: Pooya Parsa <pooya@pi0.io>

.github/workflows/autofix.yml

@@ -15,6 +15,9 @@ jobs:
       - uses: actions/checkout@v4
       - run: corepack enable
       - uses: oven-sh/setup-bun@v2
+      - uses: denoland/setup-deno@v2
+        with:
+          deno-version: v2.x
       - uses: actions/setup-node@v4
         with:
           node-version: 18

.github/workflows/ci.yml

@@ -19,6 +19,9 @@ jobs:
       - run: corepack enable
       - uses: oven-sh/setup-bun@v2
         if: ${{ matrix.os != 'windows-latest' }}
+      - uses: denoland/setup-deno@v2
+        with:
+          deno-version: v2.x
       - uses: actions/setup-node@v4
         with:
           node-version: 18

src/_utils.ts

@@ -51,7 +51,10 @@ export async function executeCommand(
   options: Pick<OperationOptions, "cwd" | "silent"> = {},
 ): Promise<void> {
   const xArgs: [string, string[]] =
-    command === "npm" || command === "bun" || !(await hasCorepack())
+    command === "npm" ||
+    command === "bun" ||
+    command === "deno" ||
+    !(await hasCorepack())
       ? [command, args]
       : ["corepack", [command, ...args]];
 

src/api.ts

@@ -29,6 +29,7 @@ export async function installDependencies(
       yarn: ["install", "--immutable"],
       bun: ["install", "--frozen-lockfile"],
       pnpm: ["install", "--frozen-lockfile"],
+      deno: ["install", "--frozen"],
     };
 
   const commandArgs = options.frozenLockFile
@@ -61,6 +62,14 @@ export async function addDependency(
 
   const names = Array.isArray(name) ? name : [name];
 
+  if (resolvedOptions.packageManager.name === "deno") {
+    for (let i = 0; i < names.length; i++) {
+      if (!/^(npm|jsr|file):.+$/.test(names[i])) {
+        names[i] = `npm:${names[i]}`;
+      }
+    }
+  }
+
   // TOOD: we might filter for empty values too for more safety
   if (names.length === 0) {
     return;

src/package-manager.ts

@@ -62,6 +62,12 @@ export const packageManagers: PackageManager[] = [
     lockFile: "yarn.lock",
     files: [".yarnrc.yml"],
   },
+  {
+    name: "deno",
+    command: "deno",
+    lockFile: "deno.lock",
+    files: ["deno.json"],
+  },
 ] as const;
 
 /**
@@ -78,7 +84,7 @@ export async function detectPackageManager(
   const detected = await findup(
     resolve(cwd || "."),
     async (path) => {
-      // 1. Use `packageManager` field from package.json
+      // 1. Use `packageManager` field from package.json / deno.json
       if (!options.ignorePackageJSON) {
         const packageJSONPath = join(path, "package.json");
         if (existsSync(packageJSONPath)) {
@@ -102,6 +108,11 @@ export async function detectPackageManager(
             };
           }
         }
+
+        const denoJSONPath = join(path, "deno.json");
+        if (existsSync(denoJSONPath)) {
+          return packageManagers.find((pm) => pm.name === "deno");
+        }
       }
 
       // 2. Use implicit file detection

src/types.ts

@@ -1,4 +1,4 @@
-export type PackageManagerName = "npm" | "yarn" | "pnpm" | "bun";
+export type PackageManagerName = "npm" | "yarn" | "pnpm" | "bun" | "deno";
 
 export type PackageManager = {
   name: PackageManagerName;

test/_shared.ts

@@ -13,6 +13,14 @@ export type Fixture = {
 
 export const fixtures = (
   [
+    {
+      name: "deno",
+      packageManager: "deno",
+    },
+    {
+      name: "deno-workspace",
+      packageManager: "deno",
+    },
     {
       name: "bun",
       packageManager: "bun",

test/fixtures/deno-workspace/deno.json

@@ -0,0 +1,3 @@
+{
+  "imports": { "consola": "npm:consola@3.2.2" }
+}

test/fixtures/deno-workspace/package.json

@@ -0,0 +1,7 @@
+{
+  "name": "fixture-deno-workspace",
+  "private": true,
+  "dependencies": {
+    "consola": "3.2.2"
+  }
+}

test/fixtures/deno-workspace/packages/workspace-a/package.json

@@ -0,0 +1,6 @@
+{
+  "name": "workspace-a",
+  "version": "0.0.0",
+  "private": true,
+  "dependencies": {}
+}

test/fixtures/deno/deno.json

@@ -0,0 +1,3 @@
+{
+  "imports": { "consola": "npm:consola@3.2.2" }
+}

test/fixtures/deno/package.json

@@ -0,0 +1,7 @@
+{
+  "name": "fixture-deno",
+  "private": true,
+  "dependencies": {
+    "consola": "3.2.2"
+  }
+}