first commit

2026-09-23 17:31:02 +05:30
commit 69b4e68baf
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+import assertString from './util/assertString';
+import includes from './util/includesArray';
+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 includes(looseBooleans, str.toLowerCase());
+  }
+  return includes(strictBooleans, str);
+}