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node_modules/core-js/modules/es.string.search.js

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+'use strict';
+var call = require('../internals/function-call');
+var fixRegExpWellKnownSymbolLogic = require('../internals/fix-regexp-well-known-symbol-logic');
+var anObject = require('../internals/an-object');
+var isNullOrUndefined = require('../internals/is-null-or-undefined');
+var requireObjectCoercible = require('../internals/require-object-coercible');
+var sameValue = require('../internals/same-value');
+var toString = require('../internals/to-string');
+var getMethod = require('../internals/get-method');
+var regExpExec = require('../internals/regexp-exec-abstract');
+
+// @@search logic
+fixRegExpWellKnownSymbolLogic('search', function (SEARCH, nativeSearch, maybeCallNative) {
+  return [
+    // `String.prototype.search` method
+    // https://tc39.es/ecma262/#sec-string.prototype.search
+    function search(regexp) {
+      var O = requireObjectCoercible(this);
+      var searcher = isNullOrUndefined(regexp) ? undefined : getMethod(regexp, SEARCH);
+      return searcher ? call(searcher, regexp, O) : new RegExp(regexp)[SEARCH](toString(O));
+    },
+    // `RegExp.prototype[@@search]` method
+    // https://tc39.es/ecma262/#sec-regexp.prototype-@@search
+    function (string) {
+      var rx = anObject(this);
+      var S = toString(string);
+      var res = maybeCallNative(nativeSearch, rx, S);
+
+      if (res.done) return res.value;
+
+      var previousLastIndex = rx.lastIndex;
+      if (!sameValue(previousLastIndex, 0)) rx.lastIndex = 0;
+      var result = regExpExec(rx, S);
+      if (!sameValue(rx.lastIndex, previousLastIndex)) rx.lastIndex = previousLastIndex;
+      return result === null ? -1 : result.index;
+    }
+  ];
+});