flow like the river

BACK_BACK/node_modules/es-abstract/2020/thisBigIntValue.js

@@ -0,0 +1,21 @@
+'use strict';
+
+var callBound = require('call-bind/callBound');
+
+var $SyntaxError = require('es-errors/syntax');
+var $bigIntValueOf = callBound('BigInt.prototype.valueOf', true);
+
+var Type = require('./Type');
+
+// https://262.ecma-international.org/11.0/#sec-thisbigintvalue
+
+module.exports = function thisBigIntValue(value) {
+	var type = Type(value);
+	if (type === 'BigInt') {
+		return value;
+	}
+	if (!$bigIntValueOf) {
+		throw new $SyntaxError('BigInt is not supported');
+	}
+	return $bigIntValueOf(value);
+};