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Direktori : /proc/thread-self/root/var/www/html/node_modules/lodash-es/ |
Current File : //proc/thread-self/root/var/www/html/node_modules/lodash-es/_baseMergeDeep.js |
import assignMergeValue from './_assignMergeValue.js'; import cloneBuffer from './_cloneBuffer.js'; import cloneTypedArray from './_cloneTypedArray.js'; import copyArray from './_copyArray.js'; import initCloneObject from './_initCloneObject.js'; import isArguments from './isArguments.js'; import isArray from './isArray.js'; import isArrayLikeObject from './isArrayLikeObject.js'; import isBuffer from './isBuffer.js'; import isFunction from './isFunction.js'; import isObject from './isObject.js'; import isPlainObject from './isPlainObject.js'; import isTypedArray from './isTypedArray.js'; import safeGet from './_safeGet.js'; import toPlainObject from './toPlainObject.js'; /** * A specialized version of `baseMerge` for arrays and objects which performs * deep merges and tracks traversed objects enabling objects with circular * references to be merged. * * @private * @param {Object} object The destination object. * @param {Object} source The source object. * @param {string} key The key of the value to merge. * @param {number} srcIndex The index of `source`. * @param {Function} mergeFunc The function to merge values. * @param {Function} [customizer] The function to customize assigned values. * @param {Object} [stack] Tracks traversed source values and their merged * counterparts. */ function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) { var objValue = safeGet(object, key), srcValue = safeGet(source, key), stacked = stack.get(srcValue); if (stacked) { assignMergeValue(object, key, stacked); return; } var newValue = customizer ? customizer(objValue, srcValue, (key + ''), object, source, stack) : undefined; var isCommon = newValue === undefined; if (isCommon) { var isArr = isArray(srcValue), isBuff = !isArr && isBuffer(srcValue), isTyped = !isArr && !isBuff && isTypedArray(srcValue); newValue = srcValue; if (isArr || isBuff || isTyped) { if (isArray(objValue)) { newValue = objValue; } else if (isArrayLikeObject(objValue)) { newValue = copyArray(objValue); } else if (isBuff) { isCommon = false; newValue = cloneBuffer(srcValue, true); } else if (isTyped) { isCommon = false; newValue = cloneTypedArray(srcValue, true); } else { newValue = []; } } else if (isPlainObject(srcValue) || isArguments(srcValue)) { newValue = objValue; if (isArguments(objValue)) { newValue = toPlainObject(objValue); } else if (!isObject(objValue) || isFunction(objValue)) { newValue = initCloneObject(srcValue); } } else { isCommon = false; } } if (isCommon) { // Recursively merge objects and arrays (susceptible to call stack limits). stack.set(srcValue, newValue); mergeFunc(newValue, srcValue, srcIndex, customizer, stack); stack['delete'](srcValue); } assignMergeValue(object, key, newValue); } export default baseMergeDeep;