diff options
Diffstat (limited to 'node_modules/core-js/modules/es.array.flat.js')
| -rw-r--r-- | node_modules/core-js/modules/es.array.flat.js | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/node_modules/core-js/modules/es.array.flat.js b/node_modules/core-js/modules/es.array.flat.js new file mode 100644 index 0000000..cb2c9d7 --- /dev/null +++ b/node_modules/core-js/modules/es.array.flat.js @@ -0,0 +1,20 @@ +'use strict'; +var $ = require('../internals/export'); +var flattenIntoArray = require('../internals/flatten-into-array'); +var toObject = require('../internals/to-object'); +var toLength = require('../internals/to-length'); +var toInteger = require('../internals/to-integer'); +var arraySpeciesCreate = require('../internals/array-species-create'); + +// `Array.prototype.flat` method +// https://github.com/tc39/proposal-flatMap +$({ target: 'Array', proto: true }, { + flat: function flat(/* depthArg = 1 */) { + var depthArg = arguments.length ? arguments[0] : undefined; + var O = toObject(this); + var sourceLen = toLength(O.length); + var A = arraySpeciesCreate(O, 0); + A.length = flattenIntoArray(A, O, O, sourceLen, 0, depthArg === undefined ? 1 : toInteger(depthArg)); + return A; + } +}); |
