diff options
Diffstat (limited to 'node_modules/babel-traverse/node_modules/lodash/_assignInDefaults.js')
-rw-r--r-- | node_modules/babel-traverse/node_modules/lodash/_assignInDefaults.js | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/node_modules/babel-traverse/node_modules/lodash/_assignInDefaults.js b/node_modules/babel-traverse/node_modules/lodash/_assignInDefaults.js new file mode 100644 index 000000000..ea6b0e358 --- /dev/null +++ b/node_modules/babel-traverse/node_modules/lodash/_assignInDefaults.js @@ -0,0 +1,27 @@ +var eq = require('./eq'); + +/** Used for built-in method references. */ +var objectProto = Object.prototype; + +/** Used to check objects for own properties. */ +var hasOwnProperty = objectProto.hasOwnProperty; + +/** + * Used by `_.defaults` to customize its `_.assignIn` use. + * + * @private + * @param {*} objValue The destination value. + * @param {*} srcValue The source value. + * @param {string} key The key of the property to assign. + * @param {Object} object The parent object of `objValue`. + * @returns {*} Returns the value to assign. + */ +function assignInDefaults(objValue, srcValue, key, object) { + if (objValue === undefined || + (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) { + return srcValue; + } + return objValue; +} + +module.exports = assignInDefaults; |