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

diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/core-js/internals/array-from.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/core-js/internals/array-from.js
new file mode 100644 (file)
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+++ b/.config/coc/extensions/node_modules/coc-prettier/node_modules/core-js/internals/array-from.js
@@ -0,0 +1,41 @@
+'use strict';
+var bind = require('../internals/function-bind-context');
+var toObject = require('../internals/to-object');
+var callWithSafeIterationClosing = require('../internals/call-with-safe-iteration-closing');
+var isArrayIteratorMethod = require('../internals/is-array-iterator-method');
+var toLength = require('../internals/to-length');
+var createProperty = require('../internals/create-property');
+var getIteratorMethod = require('../internals/get-iterator-method');
+
+// `Array.from` method implementation
+// https://tc39.github.io/ecma262/#sec-array.from
+module.exports = function from(arrayLike /* , mapfn = undefined, thisArg = undefined */) {
+  var O = toObject(arrayLike);
+  var C = typeof this == 'function' ? this : Array;
+  var argumentsLength = arguments.length;
+  var mapfn = argumentsLength > 1 ? arguments[1] : undefined;
+  var mapping = mapfn !== undefined;
+  var iteratorMethod = getIteratorMethod(O);
+  var index = 0;
+  var length, result, step, iterator, next, value;
+  if (mapping) mapfn = bind(mapfn, argumentsLength > 2 ? arguments[2] : undefined, 2);
+  // if the target is not iterable or it's an array with the default iterator - use a simple case
+  if (iteratorMethod != undefined && !(C == Array && isArrayIteratorMethod(iteratorMethod))) {
+    iterator = iteratorMethod.call(O);
+    next = iterator.next;
+    result = new C();
+    for (;!(step = next.call(iterator)).done; index++) {
+      value = mapping ? callWithSafeIterationClosing(iterator, mapfn, [step.value, index], true) : step.value;
+      createProperty(result, index, value);
+    }
+  } else {
+    length = toLength(O.length);
+    result = new C(length);
+    for (;length > index; index++) {
+      value = mapping ? mapfn(O[index], index) : O[index];
+      createProperty(result, index, value);
+    }
+  }
+  result.length = index;
+  return result;
+};