node_modules

1 files changed, 12 insertions, 0 deletions

diff --git a/node_modules/core-js/modules/$.to-primitive.js b/node_modules/core-js/modules/$.to-primitive.js
new file mode 100644
index 000000000..6fb4585a3
--- /dev/null
+++ b/node_modules/core-js/modules/$.to-primitive.js
@@ -0,0 +1,12 @@
+// 7.1.1 ToPrimitive(input [, PreferredType])
+var isObject = require('./$.is-object');
+// instead of the ES6 spec version, we didn't implement @@toPrimitive case
+// and the second argument - flag - preferred type is a string
+module.exports = function(it, S){
+  if(!isObject(it))return it;
+  var fn, val;
+  if(S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;
+  if(typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it)))return val;
+  if(!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;
+  throw TypeError("Can't convert object to primitive value");
+};
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