Polyfill parseArgs for node 14

Author: typeofweb

package.json

@@ -38,7 +38,7 @@
 	},
 	"license": "MIT",
 	"devDependencies": {
-		"@types/node": "18.7.23",
+		"@types/node": "18.11.0",
 		"husky": "8.0.1",
 		"lint-staged": "13.0.3",
 		"prettier": "2.7.1",

pnpm-lock.yaml

@@ -2,7 +2,6 @@
 
 import { existsSync } from "node:fs";
 import Path from "node:path";
-import { parseArgs } from "node:util";
 
 import { promiseErrorToSettled } from "./utils.js";
 import {
@@ -12,6 +11,7 @@ import {
 } from "./pnpmWorkspace.js";
 import { compare } from "./git.js";
 import { debug } from "./debug.js";
+import { parseArgs } from "./parseArgs.js";
 
 const cwd = process.cwd();
 
@@ -28,7 +28,7 @@ const configuration = parseArgs({
 	},
 });
 
-const log = debug(configuration.values.verbose || false);
+const log = debug(configuration.values.verbose);
 
 const [gitFromPointer = "HEAD^", gitToPointer = "HEAD"] =
 	configuration.positionals;

src/index.ts

@@ -0,0 +1,39 @@
+import assert from "node:assert";
+
+// VERY simplified polyfill for parseArgs
+type Options = {
+	type: "boolean";
+	default: boolean;
+};
+export const parseArgs = <Keys extends string>({
+	args,
+	allowPositionals,
+	options,
+}: {
+	args: string[];
+	allowPositionals: true;
+	options: Record<Keys, Options>;
+}) => {
+	if (!allowPositionals) {
+		assert(args.every((arg) => arg.startsWith("--")));
+	}
+
+	const positionals = args.filter((arg) => !arg.startsWith("--"));
+
+	const defaultNamed = Object.entries(options).map((arg) => {
+		const [name, options] = arg as [Keys, Options];
+		return [name, options.default];
+	});
+	const named = args
+		.filter((arg) => arg.startsWith("--"))
+		.map((arg) => arg.slice(2))
+		.map((arg) => [arg, true]);
+
+	return {
+		values: Object.fromEntries([...defaultNamed, ...named]) as Record<
+			Keys,
+			boolean
+		>,
+		positionals,
+	};
+};