diff options
Diffstat (limited to 'node_modules/core-js/modules/esnext.array.last-item.js')
| -rw-r--r-- | node_modules/core-js/modules/esnext.array.last-item.js | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/node_modules/core-js/modules/esnext.array.last-item.js b/node_modules/core-js/modules/esnext.array.last-item.js new file mode 100644 index 0000000..7c638fe --- /dev/null +++ b/node_modules/core-js/modules/esnext.array.last-item.js @@ -0,0 +1,26 @@ +'use strict'; +var DESCRIPTORS = require('../internals/descriptors'); +var addToUnscopables = require('../internals/add-to-unscopables'); +var toObject = require('../internals/to-object'); +var toLength = require('../internals/to-length'); +var defineProperty = require('../internals/object-define-property').f; + +// `Array.prototype.lastIndex` accessor +// https://github.com/keithamus/proposal-array-last +if (DESCRIPTORS && !('lastItem' in [])) { + defineProperty(Array.prototype, 'lastItem', { + configurable: true, + get: function lastItem() { + var O = toObject(this); + var len = toLength(O.length); + return len == 0 ? undefined : O[len - 1]; + }, + set: function lastItem(value) { + var O = toObject(this); + var len = toLength(O.length); + return O[len == 0 ? 0 : len - 1] = value; + } + }); + + addToUnscopables('lastItem'); +} |
