modified

2026-06-06 22:43:34 +02:00 · 2023-11-24 22:35:41 +01:00
parent 3c0b507a93
commit 7644b2a0f7
45165 changed files with 4803356 additions and 3 deletions
@@ -0,0 +1,16 @@
+import assertString from './util/assertString';
+var defaultOptions = {
+  loose: false
+};
+var strictBooleans = ['true', 'false', '1', '0'];
+var looseBooleans = [].concat(strictBooleans, ['yes', 'no']);
+export default function isBoolean(str) {
+  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : defaultOptions;
+  assertString(str);
+
+  if (options.loose) {
+    return looseBooleans.includes(str.toLowerCase());
+  }
+
+  return strictBooleans.includes(str);
+}