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Diffstat (limited to 'node_modules/lodash/_baseSet.js')
-rw-r--r-- | node_modules/lodash/_baseSet.js | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/node_modules/lodash/_baseSet.js b/node_modules/lodash/_baseSet.js new file mode 100644 index 000000000..2be04d5f2 --- /dev/null +++ b/node_modules/lodash/_baseSet.js @@ -0,0 +1,48 @@ +var assignValue = require('./_assignValue'), + castPath = require('./_castPath'), + isIndex = require('./_isIndex'), + isKey = require('./_isKey'), + isObject = require('./isObject'), + toKey = require('./_toKey'); + +/** + * The base implementation of `_.set`. + * + * @private + * @param {Object} object The object to modify. + * @param {Array|string} path The path of the property to set. + * @param {*} value The value to set. + * @param {Function} [customizer] The function to customize path creation. + * @returns {Object} Returns `object`. + */ +function baseSet(object, path, value, customizer) { + if (!isObject(object)) { + return object; + } + path = isKey(path, object) ? [path] : castPath(path); + + var index = -1, + length = path.length, + lastIndex = length - 1, + nested = object; + + while (nested != null && ++index < length) { + var key = toKey(path[index]), + newValue = value; + + if (index != lastIndex) { + var objValue = nested[key]; + newValue = customizer ? customizer(objValue, key, nested) : undefined; + if (newValue === undefined) { + newValue = isObject(objValue) + ? objValue + : (isIndex(path[index + 1]) ? [] : {}); + } + } + assignValue(nested, key, newValue); + nested = nested[key]; + } + return object; +} + +module.exports = baseSet; |