fix: make it run on Deno

Author: scarf005

benchmarks/helpers/main.ts

@@ -1,11 +1,35 @@
 import { add, complete, cycle, suite } from 'benny';
 import { readFileSync, writeFileSync, existsSync, unlinkSync } from 'node:fs';
-import { join } from 'node:path';
+import { join, dirname } from 'node:path';
 import { writePreviewGraph } from './graph';
 import { getRegisteredBenchmarks } from './register';
 import type { BenchmarkCase, BenchmarkResult } from './types';
 
-const DOCS_DIR = join(__dirname, '../../docs');
+/**
+ * A getDirname that works in CJS and ESM, since this file is directly shared
+ * across both kinds of projects.
+ * @TODO We can remove this once we've migrated all consumers to ESM.
+ *
+ * @see https://stackoverflow.com/a/79251101/13503626
+ */
+function pathFromStack() {
+  const { stack } = new Error();
+  if (!stack) {
+    throw new Error('Could not get stack');
+  }
+  const lines = stack.split('\n');
+  for (const line of lines) {
+    if (line.includes(' (/') || line.includes(' (file://')) {
+      // assumes UNIX-like paths
+      const location = line.split(' (')[1].replace('file://', '');
+      const filepath = location.split(':')[0];
+      const dirpath = dirname(filepath);
+      return { dirpath, filepath };
+    }
+  }
+  throw new Error('Could not get dirname');
+}
+const DOCS_DIR = join(pathFromStack().dirpath, '../../docs');
 const RUNTIME = process.env.RUNTIME || 'node';
 const RUNTIME_VERSION = process.env.RUNTIME_VERSION || process.version;
 const RUNTIME_FOR_PREVIEW = 'node';

deno.jsonc

@@ -0,0 +1,11 @@
+{
+    "unstable": [
+        // https://docs.deno.com/runtime/reference/cli/unstable_flags/#--unstable-sloppy-imports: needed because Deno can only read ESM modules but project lacks file extension in imports (.ts)
+        "sloppy-imports",
+        // https://docs.deno.com/runtime/reference/cli/unstable_flags/#--unstable-detect-cjs: needed as some of the packages are CJS but masquerade as ESM
+        "detect-cjs"
+    ],
+    "compilerOptions": {
+        "experimentalDecorators": true
+    }
+}

package.json

@@ -13,6 +13,7 @@
     "lint:fix": "gts fix",
     "start": "ts-node index.ts",
     "start:bun": "bun index.ts",
+    "start:deno": "deno -A index.ts",
     "test:build": "npm run compile:spectypes && npm run compile:ts-runtime-checks && npm run compile:typebox && npm run compile:typia && npm run compile:deepkit && npm run compile:ts-auto-guard && npm run compile:type-predicate-generator && npm run compile:paseri && tsc --noEmit",
     "test": "npm run compile:spectypes && npm run compile:ts-runtime-checks && npm run compile:typebox && npm run compile:typia && npm run compile:deepkit && npm run compile:ts-auto-guard && npm run compile:type-predicate-generator && npm run compile:paseri && vitest run",
     "docs:serve": "serve docs",
@@ -22,7 +23,7 @@
     "compile:paseri": "rimraf cases/paseri/build && esbuild cases/paseri/src/index.ts --bundle --minify --platform=node --outdir=cases/paseri/build && tsc --emitDeclarationOnly cases/paseri/src/index.ts --outDir cases/paseri/build",
     "compile:spectypes": "rimraf cases/spectypes/build && tsc -p cases/spectypes/src && babel cases/spectypes/src --out-dir cases/spectypes/build --extensions \".ts\"",
     "compile:ts-runtime-checks": "rimraf cases/ts-runtime-checks/build && tsc -p cases/ts-runtime-checks/src",
-    "compile:typebox": "ts-node cases/typebox/index.ts cases/typebox/build",
+    "compile:typebox": "npx -y ts-node cases/typebox/index.ts cases/typebox/build",
     "compile:typia": "rimraf cases/typia/build && tsc -p cases/typia/tsconfig.json",
     "compile:ts-auto-guard": "rimraf cases/ts-auto-guard/build && ts-auto-guard --project cases/ts-auto-guard/tsconfig.json && tsc -p cases/ts-auto-guard/tsconfig.json",
     "compile:type-predicate-generator": "./cases/type-predicate-generator/compile.sh",

start.sh

@@ -12,6 +12,10 @@ elif [ "$ENV_TYPE" = "BUN" ]; then
     RUNTIME_SCRIPT="bun"
     RUNTIME="bun"
     RUNTIME_VERSION="${BUN_VERSION:-$(bun -v)}"
+elif [ "$ENV_TYPE" = "DENO" ]; then
+    RUNTIME_SCRIPT="deno"
+    RUNTIME="deno"
+    RUNTIME_VERSION="${DENO_VERSION:-$(deno -v | awk '{ print $2 }')}"
 else
     echo "Unsupported environment: $ENV_TYPE"
     exit 1
@@ -24,6 +28,8 @@ if [ "$ENV_TYPE" = "NODE" ]; then
     $RUNTIME_SCRIPT run start
 elif [ "$ENV_TYPE" = "BUN" ]; then
     $RUNTIME_SCRIPT run start:bun
+elif [ "$ENV_TYPE" = "DENO" ]; then
+    $RUNTIME_SCRIPT task start:deno
 else
     echo "Unsupported environment: $ENV_TYPE"
     exit 1