1 files changed, 29 insertions, 0 deletions
diff --git a/node_modules/es-abstract/2019/TrimString.js b/node_modules/es-abstract/2019/TrimString.js
new file mode 100644
index 000000000..b27112cd5
--- /dev/null
+++ b/node_modules/es-abstract/2019/TrimString.js
@@ -0,0 +1,29 @@
+'use strict';
+
+var trimStart = require('string.prototype.trimstart');
+var trimEnd = require('string.prototype.trimend');
+
+var GetIntrinsic = require('../GetIntrinsic');
+
+var $TypeError = GetIntrinsic('%TypeError%');
+
+var RequireObjectCoercible = require('./RequireObjectCoercible');
+var ToString = require('./ToString');
+
+// https://ecma-international.org/ecma-262/10.0/#sec-trimstring
+
+module.exports = function TrimString(string, where) {
+	var str = RequireObjectCoercible(string);
+	var S = ToString(str);
+	var T;
+	if (where === 'start') {
+		T = trimStart(S);
+	} else if (where === 'end') {
+		T = trimEnd(S);
+	} else if (where === 'start+end') {
+		T = trimStart(trimEnd(S));
+	} else {
+		throw new $TypeError('Assertion failed: invalid `where` value; must be "start", "end", or "start+end"');
+	}
+	return T;
+};