Fix first publish failure for prerelease versions with npm 10+

Fixes #673

Author: sindresorhus

source/npm/util.js

@@ -130,17 +130,24 @@ export const prereleaseTags = async packageName => {
 	} catch (error) {
 		throwIfNpmTimeout(error);
 		// HACK: NPM is mixing JSON with plain text errors. Luckily, the error
-		// always starts with 'npm ERR!' (unless you have a debugger attached)
+		// always starts with 'npm ERR!' (npm <10) or 'npm error' (npm >=10)
 		// so as a solution, until npm/cli#2740 is fixed, we can remove anything
-		// starting with 'npm ERR!'
+		// starting with 'npm ERR!' or 'npm error'
 		/** @type {string} */
 		const errorMessage = error.stderr;
 		const errorJSON = errorMessage
 			.split('\n')
-			.filter(error => !error.startsWith('npm ERR!'))
+			.filter(line => !line.startsWith('npm ERR!') && !line.startsWith('npm error'))
 			.join('\n');
 
-		if (((JSON.parse(errorJSON) || {}).error || {}).code !== 'E404') {
+		try {
+			const parsed = JSON.parse(errorJSON);
+			// Only handle E404 errors gracefully; throw all other errors
+			if (parsed?.error?.code !== 'E404') {
+				throw error;
+			}
+		} catch {
+			// If JSON parsing fails, we can't determine the error type, so throw the original error
 			throw error;
 		}
 	}

test/npm/util/prerelease-tags.js

@@ -65,6 +65,32 @@ test('non-existent (code 404) - should not throw', createFixture, [{
 	);
 });
 
+test('non-existent with modern npm format (npm >=10) - should not throw', createFixture, [{
+	command: 'npm view --json non-existent dist-tags',
+	stderr: stripIndent`
+		npm error code E404
+		npm error 404 Not Found - GET https://registry.npmjs.org/non-existent - Not found
+		npm error 404
+		npm error 404  The requested resource 'non-existent@*' could not be found or you do not have permission to access it.
+		npm error 404
+		npm error 404 Note that you can also install from a
+		npm error 404 tarball, folder, http url, or git url.
+		{
+			"error": {
+				"code": "E404",
+				"summary": "Not Found - GET https://registry.npmjs.org/non-existent - Not found",
+				"detail": "The requested resource 'non-existent@*' could not be found."
+			}
+		}
+		npm error A complete log of this run can be found in: ~/.npm/_logs/...-debug.log
+	`,
+}], async ({t, testedModule: {prereleaseTags}}) => {
+	t.deepEqual(
+		await prereleaseTags('non-existent'),
+		['next'],
+	);
+});
+
 test('bad permission (code 403) - should throw', createFixture, [{
 	command: 'npm view --json @private/pkg dist-tags',
 	stderr: stripIndent`