deepmerge-plus/dist/index.cjs.development.cjs.map

A library for deep (recursive) merging of Javascript objects

{"version":3,"file":"index.cjs.development.cjs","sources":["../src/index.ts","../src/index.cts"],"sourcesContent":["import isMergeableObject from 'is-mergeable-object';\n\nfunction emptyTarget(val)\n{\n\treturn Array.isArray(val) ? [] : {}\n}\n\nfunction cloneUnlessOtherwiseSpecified(value, optionsArgument: IOptions, tmp?: ICache)\n{\n\tconst clone = !optionsArgument || optionsArgument.clone !== false;\n\n\tconst bool = clone && _isMergeableObject(value, optionsArgument, tmp);\n\n\tlet ret = (bool)\n\t\t? deepmerge(emptyTarget(value), value, optionsArgument)\n\t\t: value;\n\n\tif (optionsArgument?.keyValueOrMode && !bool && tmp && ('key' in tmp))\n\t{\n\t\tif (tmp.destination)\n\t\t{\n\t\t\t//console.log('destination', tmp.destination[tmp.key], ret, tmp.key);\n\t\t\tret = tmp.destination[tmp.key] || ret;\n\t\t}\n\n\t\tif (tmp.target)\n\t\t{\n\t\t\t//console.log('target', tmp.target[tmp.key], ret, tmp.key);\n\t\t\tret = tmp.target[tmp.key] || ret;\n\t\t}\n\n\t\tif (tmp.source)\n\t\t{\n\t\t\t//console.log('source', tmp.source[tmp.key], ret, tmp.key);\n\t\t\tret = tmp.source[tmp.key] || ret;\n\t\t}\n\t}\n\n\treturn ret;\n}\n\nexport function _isMergeableObject(value, optionsArgument: IOptions, tmp?: ICache): boolean\n{\n\tlet ret = optionsArgument?.isMergeableObject?.(value, isMergeableObject, optionsArgument, tmp) as any;\n\n\tif (ret === null || typeof ret === 'undefined')\n\t{\n\t\tif ((typeof value?.[SYMBOL_IS_MERGEABLE] == 'boolean'))\n\t\t{\n\t\t\tret = value[SYMBOL_IS_MERGEABLE];\n\t\t}\n\t\telse\n\t\t{\n\t\t\tret = isMergeableObject(value);\n\t\t}\n\t}\n\treturn ret\n}\n\nfunction defaultArrayMerge(target, source, optionsArgument: IOptions)\n{\n\treturn target.concat(source).map(function (element, index, array)\n\t{\n\t\treturn cloneUnlessOtherwiseSpecified(element, optionsArgument, {\n\t\t\tkey: index,\n\t\t})\n\t})\n}\n\nfunction mergeObject(target, source, optionsArgument: IOptions)\n{\n\tlet destination = {};\n\tif (_isMergeableObject(target, optionsArgument))\n\t{\n\t\tObject.keys(target).forEach(function (key)\n\t\t{\n\t\t\tdestination[key] = cloneUnlessOtherwiseSpecified(target[key], optionsArgument, {\n\t\t\t\tkey,\n\t\t\t\tsource,\n\t\t\t\ttarget,\n\t\t\t\tdestination,\n\t\t\t})\n\t\t})\n\t}\n\tObject.keys(source).forEach(function (key)\n\t{\n\t\tif (!_isMergeableObject(source[key], optionsArgument, {\n\t\t\t\tkey,\n\t\t\t\tsource,\n\t\t\t\ttarget,\n\t\t\t}) || !target[key])\n\t\t{\n\t\t\tdestination[key] = cloneUnlessOtherwiseSpecified(source[key], optionsArgument, {\n\t\t\t\tkey,\n\t\t\t\tsource,\n\t\t\t\ttarget,\n\t\t\t})\n\t\t}\n\t\telse\n\t\t{\n\t\t\tdestination[key] = deepmerge(target[key], source[key], optionsArgument)\n\t\t}\n\t});\n\treturn destination\n}\n\nexport function deepmerge<T1, T2>(x: T1, y: T2, options?: IOptions): Partial<T1 & T2>\nexport function deepmerge<T>(x: Partial<T>, y: Partial<T>, options?: IOptions): Partial<T>\nexport function deepmerge(target, source, optionsArgument)\n{\n\tconst sourceIsArray = Array.isArray(source);\n\tconst targetIsArray = Array.isArray(target);\n\tconst options = optionsArgument || { arrayMerge: defaultArrayMerge };\n\tconst sourceAndTargetTypesMatch = sourceIsArray === targetIsArray;\n\n\tif (!sourceAndTargetTypesMatch)\n\t{\n\t\treturn cloneUnlessOtherwiseSpecified(source, optionsArgument, {\n\t\t\ttarget,\n\t\t\tsource,\n\t\t});\n\t}\n\telse if (sourceIsArray)\n\t{\n\t\tlet arrayMerge = options.arrayMerge || defaultArrayMerge;\n\t\treturn arrayMerge(target, source, optionsArgument);\n\t}\n\telse\n\t{\n\t\treturn mergeObject(target, source, optionsArgument);\n\t}\n}\n\nexport interface ICache\n{\n\tkey?\n\tsource?\n\ttarget?\n\tdestination?\n}\n\nexport interface IOptions\n{\n\tclone?: boolean;\n\n\tarrayMerge?(destination: any[], source: any[], options?: IOptions): any[];\n\n\tisMergeableObject?(value, isMergeableObject: typeof isMergeable, optionsArgument?: IOptions, key?): void;\n\tisMergeableObject?(value, isMergeableObject: typeof isMergeable, optionsArgument?: IOptions, key?): boolean;\n\n\t/**\n\t * (val = old || new) mode\n\t */\n\tkeyValueOrMode?: boolean,\n}\n\nexport function isMergeable(value: any): boolean\n{\n\treturn isMergeableObject(value)\n}\n\nconst SYMBOL_IS_MERGEABLE = Symbol.for('SYMBOL_IS_MERGEABLE');\n\nexport { SYMBOL_IS_MERGEABLE }\n\nexport function deepmergeAll<T, T2 = any>(array: Array<Partial<T2 & T>>, optionsArgument?: IOptions): T2 & T\n{\n\tif (!Array.isArray(array))\n\t{\n\t\tthrow new Error('first argument should be an array')\n\t}\n\n\t// @ts-ignore\n\treturn array.reduce(function (prev, next)\n\t{\n\t\treturn deepmerge(prev, next, optionsArgument)\n\t}, {})\n}\n\nexport { deepmergeAll as all }\n\nexport default deepmerge\n\n// @ts-ignore\nif (process.env.TSDX_FORMAT !== 'esm')\n{\n\tObject.defineProperty(deepmerge, \"__esModule\", { value: true });\n\n\tObject.defineProperty(deepmerge, 'deepmerge', { value: deepmerge });\n\tObject.defineProperty(deepmerge, 'default', { value: deepmerge });\n\n\tObject.defineProperty(deepmerge, 'isMergeable', { value: isMergeable });\n\tObject.defineProperty(deepmerge, 'SYMBOL_IS_MERGEABLE', { 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