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Diffstat (limited to 'node_modules/assign-symbols/index.js')
-rw-r--r-- | node_modules/assign-symbols/index.js | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/node_modules/assign-symbols/index.js b/node_modules/assign-symbols/index.js new file mode 100644 index 0000000..c08a232 --- /dev/null +++ b/node_modules/assign-symbols/index.js @@ -0,0 +1,40 @@ +/*! + * assign-symbols <https://github.com/jonschlinkert/assign-symbols> + * + * Copyright (c) 2015, Jon Schlinkert. + * Licensed under the MIT License. + */ + +'use strict'; + +module.exports = function(receiver, objects) { + if (receiver === null || typeof receiver === 'undefined') { + throw new TypeError('expected first argument to be an object.'); + } + + if (typeof objects === 'undefined' || typeof Symbol === 'undefined') { + return receiver; + } + + if (typeof Object.getOwnPropertySymbols !== 'function') { + return receiver; + } + + var isEnumerable = Object.prototype.propertyIsEnumerable; + var target = Object(receiver); + var len = arguments.length, i = 0; + + while (++i < len) { + var provider = Object(arguments[i]); + var names = Object.getOwnPropertySymbols(provider); + + for (var j = 0; j < names.length; j++) { + var key = names[j]; + + if (isEnumerable.call(provider, key)) { + target[key] = provider[key]; + } + } + } + return target; +}; |