deps: upgrade npm beta to 5.0.0-beta.56

PR-URL: https://github.com/nodejs/node/pull/12936
Reviewed-By: Anna Henningsen <anna@addaleax.net>

1 files changed, 21 insertions, 6 deletions

diff --git a/deps/npm/node_modules/update-notifier/node_modules/boxen/node_modules/camelcase/index.js b/deps/npm/node_modules/update-notifier/node_modules/boxen/node_modules/camelcase/index.js
index e3d2a45620..c8492a2286 100644
--- a/deps/npm/node_modules/update-notifier/node_modules/boxen/node_modules/camelcase/index.js
+++ b/deps/npm/node_modules/update-notifier/node_modules/boxen/node_modules/camelcase/index.js
@@ -6,15 +6,15 @@ function preserveCamelCase(str) {
 	let isLastLastCharUpper = false;
 
 	for (let i = 0; i < str.length; i++) {
-		const c = str.charAt(i);
+		const c = str[i];
 
-		if (isLastCharLower && (/[a-zA-Z]/).test(c) && c.toUpperCase() === c) {
+		if (isLastCharLower && /[a-zA-Z]/.test(c) && c.toUpperCase() === c) {
 			str = str.substr(0, i) + '-' + str.substr(i);
 			isLastCharLower = false;
 			isLastLastCharUpper = isLastCharUpper;
 			isLastCharUpper = true;
 			i++;
-		} else if (isLastCharUpper && isLastLastCharUpper && (/[a-zA-Z]/).test(c) && c.toLowerCase() === c) {
+		} else if (isLastCharUpper && isLastLastCharUpper && /[a-zA-Z]/.test(c) && c.toLowerCase() === c) {
 			str = str.substr(0, i - 1) + '-' + str.substr(i - 1);
 			isLastLastCharUpper = isLastCharUpper;
 			isLastCharUpper = false;
@@ -29,8 +29,15 @@ function preserveCamelCase(str) {
 	return str;
 }
 
-module.exports = function () {
-	let str = [].map.call(arguments, x => x.trim()).filter(x => x.length).join('-');
+module.exports = function (str) {
+	if (arguments.length > 1) {
+		str = Array.from(arguments)
+			.map(x => x.trim())
+			.filter(x => x.length)
+			.join('-');
+	} else {
+		str = str.trim();
+	}
 
 	if (str.length === 0) {
 		return '';
@@ -40,7 +47,15 @@ module.exports = function () {
 		return str.toLowerCase();
 	}
 
-	str = preserveCamelCase(str);
+	if (/^[a-z0-9]+$/.test(str)) {
+		return str;
+	}
+
+	const hasUpperCase = str !== str.toLowerCase();
+
+	if (hasUpperCase) {
+		str = preserveCamelCase(str);
+	}
 
 	return str
 		.replace(/^[_.\- ]+/, '')