massive update, probably broken

[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / core-js / internals / array-species-constructor.js

diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/core-js/internals/array-species-constructor.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/core-js/internals/array-species-constructor.js
new file mode 100644 (file)
index 0000000..713e0fa
--- /dev/null
+++ b/.config/coc/extensions/node_modules/coc-prettier/node_modules/core-js/internals/array-species-constructor.js
@@ -0,0 +1,23 @@
+var global = require('../internals/global');
+var isArray = require('../internals/is-array');
+var isConstructor = require('../internals/is-constructor');
+var isObject = require('../internals/is-object');
+var wellKnownSymbol = require('../internals/well-known-symbol');
+
+var SPECIES = wellKnownSymbol('species');
+var Array = global.Array;
+
+// a part of `ArraySpeciesCreate` abstract operation
+// https://tc39.es/ecma262/#sec-arrayspeciescreate
+module.exports = function (originalArray) {
+  var C;
+  if (isArray(originalArray)) {
+    C = originalArray.constructor;
+    // cross-realm fallback
+    if (isConstructor(C) && (C === Array || isArray(C.prototype))) C = undefined;
+    else if (isObject(C)) {
+      C = C[SPECIES];
+      if (C === null) C = undefined;
+    }
+  } return C === undefined ? Array : C;
+};