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[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / core-js / modules / es.function.has-instance.js

diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/core-js/modules/es.function.has-instance.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/core-js/modules/es.function.has-instance.js
new file mode 100644 (file)
index 0000000..01383bd
--- /dev/null
+++ b/.config/coc/extensions/node_modules/coc-prettier/node_modules/core-js/modules/es.function.has-instance.js
@@ -0,0 +1,20 @@
+'use strict';
+var isObject = require('../internals/is-object');
+var definePropertyModule = require('../internals/object-define-property');
+var getPrototypeOf = require('../internals/object-get-prototype-of');
+var wellKnownSymbol = require('../internals/well-known-symbol');
+
+var HAS_INSTANCE = wellKnownSymbol('hasInstance');
+var FunctionPrototype = Function.prototype;
+
+// `Function.prototype[@@hasInstance]` method
+// https://tc39.github.io/ecma262/#sec-function.prototype-@@hasinstance
+if (!(HAS_INSTANCE in FunctionPrototype)) {
+  definePropertyModule.f(FunctionPrototype, HAS_INSTANCE, { value: function (O) {
+    if (typeof this != 'function' || !isObject(O)) return false;
+    if (!isObject(this.prototype)) return O instanceof this;
+    // for environment w/o native `@@hasInstance` logic enough `instanceof`, but add this:
+    while (O = getPrototypeOf(O)) if (this.prototype === O) return true;
+    return false;
+  } });
+}