| 1 | {"version":3,"file":"cloneDeep.js","sourceRoot":"","sources":["../../../src/utilities/common/cloneDeep.ts"],"names":[],"mappings":"AAAQ,IAAA,QAAQ,GAAK,MAAM,CAAC,SAAS,SAArB,CAAsB;AAKtC,MAAM,UAAU,SAAS,CAAI,KAAQ;IACnC,OAAO,eAAe,CAAC,KAAK,CAAC,CAAC;AAChC,CAAC;AAED,SAAS,eAAe,CAAI,GAAM,EAAE,IAAoB;IACtD,QAAQ,QAAQ,CAAC,IAAI,CAAC,GAAG,CAAC,EAAE;QAC5B,KAAK,gBAAgB,CAAC,CAAC;YACrB,IAAI,GAAG,IAAI,IAAI,IAAI,GAAG,CAAC;YACvB,IAAI,IAAI,CAAC,GAAG,CAAC,GAAG,CAAC;gBAAE,OAAO,IAAI,CAAC,GAAG,CAAC,GAAG,CAAC,CAAC;YACxC,IAAM,MAAI,GAAe,GAAW,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC;YAC9C,IAAI,CAAC,GAAG,CAAC,GAAG,EAAE,MAAI,CAAC,CAAC;YACpB,MAAI,CAAC,OAAO,CAAC,UAAU,KAAK,EAAE,CAAC;gBAC7B,MAAI,CAAC,CAAC,CAAC,GAAG,eAAe,CAAC,KAAK,EAAE,IAAI,CAAC,CAAC;YACzC,CAAC,CAAC,CAAC;YACH,OAAO,MAAI,CAAC;SACb;QAED,KAAK,iBAAiB,CAAC,CAAC;YACtB,IAAI,GAAG,IAAI,IAAI,IAAI,GAAG,CAAC;YACvB,IAAI,IAAI,CAAC,GAAG,CAAC,GAAG,CAAC;gBAAE,OAAO,IAAI,CAAC,GAAG,CAAC,GAAG,CAAC,CAAC;YAGxC,IAAM,MAAI,GAAG,MAAM,CAAC,MAAM,CAAC,MAAM,CAAC,cAAc,CAAC,GAAG,CAAC,CAAC,CAAC;YACvD,IAAI,CAAC,GAAG,CAAC,GAAG,EAAE,MAAI,CAAC,CAAC;YACpB,MAAM,CAAC,IAAI,CAAC,GAA8B,CAAC,CAAC,OAAO,CAAC,UAAA,GAAG;gBACrD,MAAI,CAAC,GAAG,CAAC,GAAG,eAAe,CAAE,GAAW,CAAC,GAAG,CAAC,EAAE,IAAI,CAAC,CAAC;YACvD,CAAC,CAAC,CAAC;YACH,OAAO,MAAI,CAAC;SACb;QAED;YACE,OAAO,GAAG,CAAC;KACZ;AACH,CAAC","sourcesContent":["const { toString } = Object.prototype;\n\n/**\n * Deeply clones a value to create a new instance.\n */\nexport function cloneDeep<T>(value: T): T {\n return cloneDeepHelper(value);\n}\n\nfunction cloneDeepHelper<T>(val: T, seen?: Map<any, any>): T {\n switch (toString.call(val)) {\n case \"[object Array]\": {\n seen = seen || new Map;\n if (seen.has(val)) return seen.get(val);\n const copy: T & any[] = (val as any).slice(0);\n seen.set(val, copy);\n copy.forEach(function (child, i) {\n copy[i] = cloneDeepHelper(child, seen);\n });\n return copy;\n }\n\n case \"[object Object]\": {\n seen = seen || new Map;\n if (seen.has(val)) return seen.get(val);\n // High fidelity polyfills of Object.create and Object.getPrototypeOf are\n // possible in all JS environments, so we will assume they exist/work.\n const copy = Object.create(Object.getPrototypeOf(val));\n seen.set(val, copy);\n Object.keys(val as T & Record<string, any>).forEach(key => {\n copy[key] = cloneDeepHelper((val as any)[key], seen);\n });\n return copy;\n }\n\n default:\n return val;\n }\n}\n"]} |