deps: upgrade npm to 6.10.2

PR-URL: https://github.com/nodejs/node/pull/28853
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/deps/npm/node_modules/split-on-first/index.js b/deps/npm/node_modules/split-on-first/index.js
new file mode 100644
index 0000000000..d9140706dd
--- /dev/null
+++ b/deps/npm/node_modules/split-on-first/index.js
@@ -0,0 +1,22 @@
+'use strict';
+
+module.exports = (string, separator) => {
+	if (!(typeof string === 'string' && typeof separator === 'string')) {
+		throw new TypeError('Expected the arguments to be of type `string`');
+	}
+
+	if (separator === '') {
+		return [string];
+	}
+
+	const separatorIndex = string.indexOf(separator);
+
+	if (separatorIndex === -1) {
+		return [string];
+	}
+
+	return [
+		string.slice(0, separatorIndex),
+		string.slice(separatorIndex + separator.length)
+	];
+};