fix(windows): allow spawning npm cli on windows

Fixes #198

package.json

@@ -56,6 +56,7 @@
     "@types/command-line-args": "^5.2.1",
     "@types/node": "^20.10.3",
     "@types/tar": "^6.1.6",
+    "@types/validate-npm-package-name": "^4.0.2",
     "@typescript-eslint/eslint-plugin": "^7.2.0",
     "@typescript-eslint/parser": "^7.2.0",
     "@vitest/coverage-istanbul": "^1.0.1",
@@ -81,6 +82,7 @@
     "@types/semver": "^7.5.2",
     "command-line-args": "5.2.1",
     "semver": "7.6.0",
-    "tar": "6.2.1"
+    "tar": "6.2.1",
+    "validate-npm-package-name": "^5.0.1"
   }
 }

src/__tests__/normalize-options.test.ts

@@ -134,7 +134,7 @@ describe("normalizeOptions", () => {
       });
     });
 
-    it("should validate tag value", () => {
+    it("should validate tag type", () => {
       expect(() => {
         subject.normalizeOptions(manifest, {
           token: "abc123",
@@ -144,6 +144,16 @@ describe("normalizeOptions", () => {
       }).toThrow(errors.InvalidTagError);
     });
 
+    it("should validate tag value", () => {
+      expect(() => {
+        subject.normalizeOptions(manifest, {
+          token: "abc123",
+          // tag must not require contain characters encoded by encodeUriComponent
+          tag: "fresh&clean",
+        });
+      }).toThrow(errors.InvalidTagError);
+    });
+
     it("should validate access value", () => {
       expect(() => {
         subject.normalizeOptions(manifest, {

src/errors.ts

@@ -62,7 +62,7 @@ export class PackageJsonParseError extends SyntaxError {
 
 export class InvalidPackageNameError extends TypeError {
   public constructor(value: unknown) {
-    super(`Package name must be a string, got "${String(value)}"`);
+    super(`Package name is not valid, got "${String(value)}"`);
     this.name = "InvalidPackageNameError";
   }
 }

src/normalize-options.ts

@@ -97,8 +97,13 @@ const validateRegistry = (value: unknown): URL => {
 };
 
 const validateTag = (value: unknown): string => {
-  if (typeof value === "string" && value.length > 0) {
-    return value;
+  if (typeof value === "string") {
+    const trimmedValue = value.trim();
+    const encodedValue = encodeURIComponent(trimmedValue);
+
+    if (trimmedValue.length > 0 && trimmedValue === encodedValue) {
+      return value;
+    }
   }
 
   throw new errors.InvalidTagError(value);

src/npm/call-npm-cli.ts

@@ -38,7 +38,8 @@ export const PUBLISH = "publish";
 export const E404 = "E404";
 export const EPUBLISHCONFLICT = "EPUBLISHCONFLICT";
 
-const NPM = os.platform() === "win32" ? "npm.cmd" : "npm";
+const IS_WINDOWS = os.platform() === "win32";
+const NPM = IS_WINDOWS ? "npm.cmd" : "npm";
 const JSON_MATCH_RE = /(\{[\s\S]*\})/mu;
 
 const baseArguments = (options: NpmCliOptions) =>
@@ -106,6 +107,7 @@ async function execNpm(
 
     const npm = childProcess.spawn(NPM, commandArguments, {
       env: { ...process.env, ...environment },
+      shell: IS_WINDOWS,
     });
 
     npm.stdout.on("data", (data: string) => (stdout += data));

src/read-manifest.ts

@@ -1,5 +1,6 @@
 import fs from "node:fs/promises";
 import path from "node:path";
+import validatePackageName from "validate-npm-package-name";
 import semverValid from "semver/functions/valid.js";
 import tarList from "tar/lib/list.js";
 import type { ReadEntry } from "tar";
@@ -39,10 +40,14 @@ const isTarball = (file: unknown): file is string => {
   return typeof file === "string" && path.extname(file) === TARBALL_EXTNAME;
 };
 
-const validateVersion = (version: unknown): string | undefined => {
+const normalizeVersion = (version: unknown): string | undefined => {
   return semverValid(version as string) ?? undefined;
 };
 
+const validateName = (name: unknown): name is string => {
+  return validatePackageName(name as string).validForNewPackages;
+};
+
 const readPackageJson = async (...pathSegments: string[]): Promise<string> => {
   const file = path.resolve(...pathSegments);
 
@@ -110,13 +115,13 @@ export async function readManifest(
   try {
     manifestJson = JSON.parse(manifestContents) as Record<string, unknown>;
     name = manifestJson["name"];
-    version = validateVersion(manifestJson["version"]);
+    version = normalizeVersion(manifestJson["version"]);
     publishConfig = manifestJson["publishConfig"] ?? {};
   } catch (error) {
     throw new errors.PackageJsonParseError(packageSpec, error);
   }
 
-  if (typeof name !== "string" || name.length === 0) {
+  if (!validateName(name)) {
     throw new errors.InvalidPackageNameError(name);
   }