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author | Florian Dold <florian.dold@gmail.com> | 2017-05-03 15:35:00 +0200 |
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committer | Florian Dold <florian.dold@gmail.com> | 2017-05-03 15:35:00 +0200 |
commit | de98e0b232509d5f40c135d540a70e415272ff85 (patch) | |
tree | a79222a5b58484ab3b80d18efcaaa7ccc4769b33 /node_modules/lodash/_customDefaultsAssignIn.js | |
parent | e0c9d480a73fa629c1e4a47d3e721f1d2d345406 (diff) |
node_modules
Diffstat (limited to 'node_modules/lodash/_customDefaultsAssignIn.js')
-rw-r--r-- | node_modules/lodash/_customDefaultsAssignIn.js | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/node_modules/lodash/_customDefaultsAssignIn.js b/node_modules/lodash/_customDefaultsAssignIn.js new file mode 100644 index 000000000..1f49e6fc4 --- /dev/null +++ b/node_modules/lodash/_customDefaultsAssignIn.js @@ -0,0 +1,29 @@ +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 to assign properties + * of source objects to the destination object for all destination properties + * that resolve to `undefined`. + * + * @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 customDefaultsAssignIn(objValue, srcValue, key, object) { + if (objValue === undefined || + (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) { + return srcValue; + } + return objValue; +} + +module.exports = customDefaultsAssignIn; |