From f26f29d84e0a68831a6af14dab3eec5500496d2e Mon Sep 17 00:00:00 2001 From: spring <2396852758@qq.com> Date: 星期三, 28 五月 2025 16:48:52 +0800 Subject: [PATCH] 初始化项目 --- uni_modules/wu-ui-tools/libs/luch-request/utils/clone.js | 264 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 264 insertions(+), 0 deletions(-) diff --git a/uni_modules/wu-ui-tools/libs/luch-request/utils/clone.js b/uni_modules/wu-ui-tools/libs/luch-request/utils/clone.js new file mode 100644 index 0000000..2fee704 --- /dev/null +++ b/uni_modules/wu-ui-tools/libs/luch-request/utils/clone.js @@ -0,0 +1,264 @@ +/* eslint-disable */ +var clone = (function() { + 'use strict'; + + function _instanceof(obj, type) { + return type != null && obj instanceof type; + } + + var nativeMap; + try { + nativeMap = Map; + } catch(_) { + // maybe a reference error because no `Map`. Give it a dummy value that no + // value will ever be an instanceof. + nativeMap = function() {}; + } + + var nativeSet; + try { + nativeSet = Set; + } catch(_) { + nativeSet = function() {}; + } + + var nativePromise; + try { + nativePromise = Promise; + } catch(_) { + nativePromise = function() {}; + } + + /** + * Clones (copies) an Object using deep copying. + * + * This function supports circular references by default, but if you are certain + * there are no circular references in your object, you can save some CPU time + * by calling clone(obj, false). + * + * Caution: if `circular` is false and `parent` contains circular references, + * your program may enter an infinite loop and crash. + * + * @param `parent` - the object to be cloned + * @param `circular` - set to true if the object to be cloned may contain + * circular references. (optional - true by default) + * @param `depth` - set to a number if the object is only to be cloned to + * a particular depth. (optional - defaults to Infinity) + * @param `prototype` - sets the prototype to be used when cloning an object. + * (optional - defaults to parent prototype). + * @param `includeNonEnumerable` - set to true if the non-enumerable properties + * should be cloned as well. Non-enumerable properties on the prototype + * chain will be ignored. (optional - false by default) + */ + function clone(parent, circular, depth, prototype, includeNonEnumerable) { + if (typeof circular === 'object') { + depth = circular.depth; + prototype = circular.prototype; + includeNonEnumerable = circular.includeNonEnumerable; + circular = circular.circular; + } + // maintain two arrays for circular references, where corresponding parents + // and children have the same index + var allParents = []; + var allChildren = []; + + var useBuffer = typeof Buffer != 'undefined'; + + if (typeof circular == 'undefined') + circular = true; + + if (typeof depth == 'undefined') + depth = Infinity; + + // recurse this function so we don't reset allParents and allChildren + function _clone(parent, depth) { + // cloning null always returns null + if (parent === null) + return null; + + if (depth === 0) + return parent; + + var child; + var proto; + if (typeof parent != 'object') { + return parent; + } + + if (_instanceof(parent, nativeMap)) { + child = new nativeMap(); + } else if (_instanceof(parent, nativeSet)) { + child = new nativeSet(); + } else if (_instanceof(parent, nativePromise)) { + child = new nativePromise(function (resolve, reject) { + parent.then(function(value) { + resolve(_clone(value, depth - 1)); + }, function(err) { + reject(_clone(err, depth - 1)); + }); + }); + } else if (clone.__isArray(parent)) { + child = []; + } else if (clone.__isRegExp(parent)) { + child = new RegExp(parent.source, __getRegExpFlags(parent)); + if (parent.lastIndex) child.lastIndex = parent.lastIndex; + } else if (clone.__isDate(parent)) { + child = new Date(parent.getTime()); + } else if (useBuffer && Buffer.isBuffer(parent)) { + if (Buffer.from) { + // Node.js >= 5.10.0 + child = Buffer.from(parent); + } else { + // Older Node.js versions + child = new Buffer(parent.length); + parent.copy(child); + } + return child; + } else if (_instanceof(parent, Error)) { + child = Object.create(parent); + } else { + if (typeof prototype == 'undefined') { + proto = Object.getPrototypeOf(parent); + child = Object.create(proto); + } + else { + child = Object.create(prototype); + proto = prototype; + } + } + + if (circular) { + var index = allParents.indexOf(parent); + + if (index != -1) { + return allChildren[index]; + } + allParents.push(parent); + allChildren.push(child); + } + + if (_instanceof(parent, nativeMap)) { + parent.forEach(function(value, key) { + var keyChild = _clone(key, depth - 1); + var valueChild = _clone(value, depth - 1); + child.set(keyChild, valueChild); + }); + } + if (_instanceof(parent, nativeSet)) { + parent.forEach(function(value) { + var entryChild = _clone(value, depth - 1); + child.add(entryChild); + }); + } + + for (var i in parent) { + var attrs = Object.getOwnPropertyDescriptor(parent, i); + if (attrs) { + child[i] = _clone(parent[i], depth - 1); + } + + try { + var objProperty = Object.getOwnPropertyDescriptor(parent, i); + if (objProperty.set === 'undefined') { + // no setter defined. Skip cloning this property + continue; + } + child[i] = _clone(parent[i], depth - 1); + } catch(e){ + if (e instanceof TypeError) { + // when in strict mode, TypeError will be thrown if child[i] property only has a getter + // we can't do anything about this, other than inform the user that this property cannot be set. + continue + } else if (e instanceof ReferenceError) { + //this may happen in non strict mode + continue + } + } + + } + + if (Object.getOwnPropertySymbols) { + var symbols = Object.getOwnPropertySymbols(parent); + for (var i = 0; i < symbols.length; i++) { + // Don't need to worry about cloning a symbol because it is a primitive, + // like a number or string. + var symbol = symbols[i]; + var descriptor = Object.getOwnPropertyDescriptor(parent, symbol); + if (descriptor && !descriptor.enumerable && !includeNonEnumerable) { + continue; + } + child[symbol] = _clone(parent[symbol], depth - 1); + Object.defineProperty(child, symbol, descriptor); + } + } + + if (includeNonEnumerable) { + var allPropertyNames = Object.getOwnPropertyNames(parent); + for (var i = 0; i < allPropertyNames.length; i++) { + var propertyName = allPropertyNames[i]; + var descriptor = Object.getOwnPropertyDescriptor(parent, propertyName); + if (descriptor && descriptor.enumerable) { + continue; + } + child[propertyName] = _clone(parent[propertyName], depth - 1); + Object.defineProperty(child, propertyName, descriptor); + } + } + + return child; + } + + return _clone(parent, depth); + } + + /** + * Simple flat clone using prototype, accepts only objects, usefull for property + * override on FLAT configuration object (no nested props). + * + * USE WITH CAUTION! This may not behave as you wish if you do not know how this + * works. + */ + clone.clonePrototype = function clonePrototype(parent) { + if (parent === null) + return null; + + var c = function () {}; + c.prototype = parent; + return new c(); + }; + +// private utility functions + + function __objToStr(o) { + return Object.prototype.toString.call(o); + } + clone.__objToStr = __objToStr; + + function __isDate(o) { + return typeof o === 'object' && __objToStr(o) === '[object Date]'; + } + clone.__isDate = __isDate; + + function __isArray(o) { + return typeof o === 'object' && __objToStr(o) === '[object Array]'; + } + clone.__isArray = __isArray; + + function __isRegExp(o) { + return typeof o === 'object' && __objToStr(o) === '[object RegExp]'; + } + clone.__isRegExp = __isRegExp; + + function __getRegExpFlags(re) { + var flags = ''; + if (re.global) flags += 'g'; + if (re.ignoreCase) flags += 'i'; + if (re.multiline) flags += 'm'; + return flags; + } + clone.__getRegExpFlags = __getRegExpFlags; + + return clone; +})(); + +export default clone -- Gitblit v1.9.3