From e08eb4dbc5039744149323c6d0976a9789900a5c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Oskar=20L=C3=B6fgren?= <islander.abroad@gmail.com>
Date: Mon, 11 May 2020 15:54:46 +0200
Subject: [PATCH] Fix `isMultiple` not handling multi-word flags (#150)

---
 index.js     |  3 ++-
 package.json |  1 +
 test/test.js | 15 +++++++++++++++
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 559366d..7df0ff7 100644
--- a/index.js
+++ b/index.js
@@ -2,6 +2,7 @@
 const path = require('path');
 const buildParserOptions = require('minimist-options');
 const yargs = require('yargs-parser');
+const camelCase = require('camelcase');
 const camelcaseKeys = require('camelcase-keys');
 const decamelizeKeys = require('decamelize-keys');
 const trimNewlines = require('trim-newlines');
@@ -83,7 +84,7 @@ Convert to alternative syntax for coercing values to expected type, according to
 const convertToTypedArrayOption = (arrayOption, flags) =>
 	arrify(arrayOption).map(flagKey => ({
 		key: flagKey,
-		[flags[flagKey].type || 'string']: true
+		[flags[camelCase(flagKey, '-')].type || 'string']: true
 	}));
 
 const validateFlags = (flags, options) => {
diff --git a/package.json b/package.json
index 9cf0470..6fa86b2 100644
--- a/package.json
+++ b/package.json
@@ -42,6 +42,7 @@
 	"dependencies": {
 		"@types/minimist": "^1.2.0",
 		"arrify": "^2.0.1",
+		"camelcase": "^6.0.0",
 		"camelcase-keys": "^6.2.2",
 		"decamelize-keys": "^1.1.0",
 		"hard-rejection": "^2.1.0",
diff --git a/test/test.js b/test/test.js
index 946a069..a3c9714 100644
--- a/test/test.js
+++ b/test/test.js
@@ -482,6 +482,21 @@ test('isMultiple - multiple flag default values', t => {
 	});
 });
 
+// Happened in production 2020-05-10: https://github.com/sindresorhus/meow/pull/143#issuecomment-626287226
+test('isMultiple - handles multi-word flag name', t => {
+	t.deepEqual(meow({
+		argv: ['--foo-bar=baz'],
+		flags: {
+			fooBar: {
+				type: 'string',
+				isMultiple: true
+			}
+		}
+	}).flags, {
+		fooBar: ['baz']
+	});
+});
+
 if (NODE_MAJOR_VERSION >= 14) {
 	test('supports es modules', async t => {
 		try {