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Diffstat (limited to 'node_modules/es-abstract/2016/RegExpExec.js')
-rw-r--r--node_modules/es-abstract/2016/RegExpExec.js32
1 files changed, 32 insertions, 0 deletions
diff --git a/node_modules/es-abstract/2016/RegExpExec.js b/node_modules/es-abstract/2016/RegExpExec.js
new file mode 100644
index 000000000..15c91867d
--- /dev/null
+++ b/node_modules/es-abstract/2016/RegExpExec.js
@@ -0,0 +1,32 @@
+'use strict';
+
+var GetIntrinsic = require('../GetIntrinsic');
+
+var $TypeError = GetIntrinsic('%TypeError%');
+
+var regexExec = require('../helpers/callBound')('RegExp.prototype.exec');
+
+var Call = require('./Call');
+var Get = require('./Get');
+var IsCallable = require('./IsCallable');
+var Type = require('./Type');
+
+// https://ecma-international.org/ecma-262/6.0/#sec-regexpexec
+
+module.exports = function RegExpExec(R, S) {
+ if (Type(R) !== 'Object') {
+ throw new $TypeError('Assertion failed: `R` must be an Object');
+ }
+ if (Type(S) !== 'String') {
+ throw new $TypeError('Assertion failed: `S` must be a String');
+ }
+ var exec = Get(R, 'exec');
+ if (IsCallable(exec)) {
+ var result = Call(exec, R, [S]);
+ if (result === null || Type(result) === 'Object') {
+ return result;
+ }
+ throw new $TypeError('"exec" method must return `null` or an Object');
+ }
+ return regexExec(R, S);
+};