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View Code? Open in Web Editor NEWFast and safe JSON deep-cloning utility
License: MIT License
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Can't install
I have tried a couple different computers and projects, but I can't install this into any of them I get something like
gitpod /workspace/author-website $ npm i fast-deepclone
> [email protected] install /workspace/author-website/node_modules/fast-deepclone
> node-gyp rebuild
make: Entering directory '/workspace/author-website/node_modules/fast-deepclone/build'
CXX(target) Release/obj.target/DeepClone/src/deepclone.o
../src/deepclone.cc: In function ‘void copyProperties(v8::Local<v8::Object>, v8::Local<v8::Object>)’:
../src/deepclone.cc:70:41: error: no matching function for call to ‘v8::Array::Get(unsigned int&)’
70 | const Local<Value> key = keys->Get(i);
| ^
In file included from ../src/deepclone.cc:2:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:3717:43: note: candidate: ‘v8::MaybeLocal<v8::Value> v8::Object::Get(v8::Local<v8::Context>, v8::Local<v8::Value>)’
3717 | V8_WARN_UNUSED_RESULT MaybeLocal<Value> Get(Local<Context> context,
| ^~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:3717:43: note: candidate expects 2 arguments, 1 provided
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:3720:43: note: candidate: ‘v8::MaybeLocal<v8::Value> v8::Object::Get(v8::Local<v8::Context>, uint32_t)’
3720 | V8_WARN_UNUSED_RESULT MaybeLocal<Value> Get(Local<Context> context,
| ^~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:3720:43: note: candidate expects 2 arguments, 1 provided
../src/deepclone.cc: In function ‘v8::Local<v8::Object> cloneObjectToTarget(circularMap&, v8::Local<v8::Object>, bool, v8::Local<v8::Object>, int)’:
../src/deepclone.cc:92:41: error: no matching function for call to ‘v8::Array::Get(unsigned int&)’
92 | const Local<Value> key = keys->Get(i);
| ^
In file included from ../src/deepclone.cc:2:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:3717:43: note: candidate: ‘v8::MaybeLocal<v8::Value> v8::Object::Get(v8::Local<v8::Context>, v8::Local<v8::Value>)’
3717 | V8_WARN_UNUSED_RESULT MaybeLocal<Value> Get(Local<Context> context,
| ^~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:3717:43: note: candidate expects 2 arguments, 1 provided
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:3720:43: note: candidate: ‘v8::MaybeLocal<v8::Value> v8::Object::Get(v8::Local<v8::Context>, uint32_t)’
3720 | V8_WARN_UNUSED_RESULT MaybeLocal<Value> Get(Local<Context> context,
| ^~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:3720:43: note: candidate expects 2 arguments, 1 provided
../src/deepclone.cc:97:63: error: no matching function for call to ‘v8::Value::ToObject()’
97 | Nan::Set(target, key, cloneObject(refs, val->ToObject(), copy));
| ^
In file included from ../src/deepclone.cc:2:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate: ‘v8::MaybeLocal<v8::Object> v8::Value::ToObject(v8::Local<v8::Context>) const’
2822 | V8_WARN_UNUSED_RESULT MaybeLocal<Object> ToObject(
| ^~~~~~~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate expects 1 argument, 0 provided
../src/deepclone.cc:108:56: warning: ‘v8::ArrayBuffer::Contents v8::ArrayBuffer::GetContents()’ is deprecated: Use GetBackingStore. See http://crbug.com/v8/9908. [-Wdeprecated-declarations]
108 | bufferView->CopyContents(targetAB->GetContents().Data(), bufferView->ByteLength());
| ^
In file included from ../src/deepclone.cc:2:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:5273:12: note: declared here
5273 | Contents GetContents();
| ^~~~~~~~~~~
../src/deepclone.cc:140:69: error: no matching function for call to ‘v8::Value::ToObject()’
140 | arr->SetPrototype(Nan::GetCurrentContext(), val->ToObject()->GetPrototype());
| ^
In file included from ../src/deepclone.cc:2:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate: ‘v8::MaybeLocal<v8::Object> v8::Value::ToObject(v8::Local<v8::Context>) const’
2822 | V8_WARN_UNUSED_RESULT MaybeLocal<Object> ToObject(
| ^~~~~~~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate expects 1 argument, 0 provided
../src/deepclone.cc:150:38: warning: ‘v8::ArrayBuffer::Contents v8::ArrayBuffer::GetContents()’ is deprecated: Use GetBackingStore. See http://crbug.com/v8/9908. [-Wdeprecated-declarations]
150 | memcpy(targetAB->GetContents().Data(), buffer->GetContents().Data(), buffer->ByteLength());
| ^
In file included from ../src/deepclone.cc:2:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:5273:12: note: declared here
5273 | Contents GetContents();
| ^~~~~~~~~~~
../src/deepclone.cc:150:68: warning: ‘v8::ArrayBuffer::Contents v8::ArrayBuffer::GetContents()’ is deprecated: Use GetBackingStore. See http://crbug.com/v8/9908. [-Wdeprecated-declarations]
150 | memcpy(targetAB->GetContents().Data(), buffer->GetContents().Data(), buffer->ByteLength());
| ^
In file included from ../src/deepclone.cc:2:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:5273:12: note: declared here
5273 | Contents GetContents();
| ^~~~~~~~~~~
../src/deepclone.cc:163:48: error: no matching function for call to ‘v8::Array::Get(unsigned int&)’
163 | targetMap->Set(context, values->Get(i), values->Get(i+1));
| ^
In file included from ../src/deepclone.cc:2:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:3717:43: note: candidate: ‘v8::MaybeLocal<v8::Value> v8::Object::Get(v8::Local<v8::Context>, v8::Local<v8::Value>)’
3717 | V8_WARN_UNUSED_RESULT MaybeLocal<Value> Get(Local<Context> context,
| ^~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:3717:43: note: candidate expects 2 arguments, 1 provided
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:3720:43: note: candidate: ‘v8::MaybeLocal<v8::Value> v8::Object::Get(v8::Local<v8::Context>, uint32_t)’
3720 | V8_WARN_UNUSED_RESULT MaybeLocal<Value> Get(Local<Context> context,
| ^~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:3720:43: note: candidate expects 2 arguments, 1 provided
../src/deepclone.cc:163:66: error: no matching function for call to ‘v8::Array::Get(unsigned int)’
163 | targetMap->Set(context, values->Get(i), values->Get(i+1));
| ^
In file included from ../src/deepclone.cc:2:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:3717:43: note: candidate: ‘v8::MaybeLocal<v8::Value> v8::Object::Get(v8::Local<v8::Context>, v8::Local<v8::Value>)’
3717 | V8_WARN_UNUSED_RESULT MaybeLocal<Value> Get(Local<Context> context,
| ^~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:3717:43: note: candidate expects 2 arguments, 1 provided
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:3720:43: note: candidate: ‘v8::MaybeLocal<v8::Value> v8::Object::Get(v8::Local<v8::Context>, uint32_t)’
3720 | V8_WARN_UNUSED_RESULT MaybeLocal<Value> Get(Local<Context> context,
| ^~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:3720:43: note: candidate expects 2 arguments, 1 provided
../src/deepclone.cc:166:73: error: no matching function for call to ‘v8::Value::ToObject()’
166 | targetMap->SetPrototype(Nan::GetCurrentContext(), val->ToObject()->GetPrototype());
| ^
In file included from ../src/deepclone.cc:2:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate: ‘v8::MaybeLocal<v8::Object> v8::Value::ToObject(v8::Local<v8::Context>) const’
2822 | V8_WARN_UNUSED_RESULT MaybeLocal<Object> ToObject(
| ^~~~~~~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate expects 1 argument, 0 provided
../src/deepclone.cc:167:38: error: no matching function for call to ‘v8::Value::ToObject()’
167 | copyProperties(val->ToObject(), targetMap->ToObject());
| ^
In file included from ../src/deepclone.cc:2:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate: ‘v8::MaybeLocal<v8::Object> v8::Value::ToObject(v8::Local<v8::Context>) const’
2822 | V8_WARN_UNUSED_RESULT MaybeLocal<Object> ToObject(
| ^~~~~~~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate expects 1 argument, 0 provided
../src/deepclone.cc:167:61: error: no matching function for call to ‘v8::Map::ToObject()’
167 | copyProperties(val->ToObject(), targetMap->ToObject());
| ^
In file included from ../src/deepclone.cc:2:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate: ‘v8::MaybeLocal<v8::Object> v8::Value::ToObject(v8::Local<v8::Context>) const’
2822 | V8_WARN_UNUSED_RESULT MaybeLocal<Object> ToObject(
| ^~~~~~~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate expects 1 argument, 0 provided
../src/deepclone.cc:168:71: error: no matching function for call to ‘v8::Value::ToObject()’
168 | Nan::Set(target, key, cloneObjectToTarget(refs, val->ToObject(), copy, targetMap->ToObject(), uid));
| ^
In file included from ../src/deepclone.cc:2:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate: ‘v8::MaybeLocal<v8::Object> v8::Value::ToObject(v8::Local<v8::Context>) const’
2822 | V8_WARN_UNUSED_RESULT MaybeLocal<Object> ToObject(
| ^~~~~~~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate expects 1 argument, 0 provided
../src/deepclone.cc:168:100: error: no matching function for call to ‘v8::Map::ToObject()’
168 | Nan::Set(target, key, cloneObjectToTarget(refs, val->ToObject(), copy, targetMap->ToObject(), uid));
| ^
In file included from ../src/deepclone.cc:2:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate: ‘v8::MaybeLocal<v8::Object> v8::Value::ToObject(v8::Local<v8::Context>) const’
2822 | V8_WARN_UNUSED_RESULT MaybeLocal<Object> ToObject(
| ^~~~~~~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate expects 1 argument, 0 provided
../src/deepclone.cc:176:48: error: no matching function for call to ‘v8::Array::Get(unsigned int&)’
176 | targetSet->Add(context, values->Get(i));
| ^
In file included from ../src/deepclone.cc:2:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:3717:43: note: candidate: ‘v8::MaybeLocal<v8::Value> v8::Object::Get(v8::Local<v8::Context>, v8::Local<v8::Value>)’
3717 | V8_WARN_UNUSED_RESULT MaybeLocal<Value> Get(Local<Context> context,
| ^~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:3717:43: note: candidate expects 2 arguments, 1 provided
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:3720:43: note: candidate: ‘v8::MaybeLocal<v8::Value> v8::Object::Get(v8::Local<v8::Context>, uint32_t)’
3720 | V8_WARN_UNUSED_RESULT MaybeLocal<Value> Get(Local<Context> context,
| ^~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:3720:43: note: candidate expects 2 arguments, 1 provided
../src/deepclone.cc:179:71: error: no matching function for call to ‘v8::Value::ToObject()’
179 | targetSet->SetPrototype(Nan::GetCurrentContext(), val->ToObject()->GetPrototype());
| ^
In file included from ../src/deepclone.cc:2:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate: ‘v8::MaybeLocal<v8::Object> v8::Value::ToObject(v8::Local<v8::Context>) const’
2822 | V8_WARN_UNUSED_RESULT MaybeLocal<Object> ToObject(
| ^~~~~~~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate expects 1 argument, 0 provided
../src/deepclone.cc:180:38: error: no matching function for call to ‘v8::Value::ToObject()’
180 | copyProperties(val->ToObject(), targetSet->ToObject());
| ^
In file included from ../src/deepclone.cc:2:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate: ‘v8::MaybeLocal<v8::Object> v8::Value::ToObject(v8::Local<v8::Context>) const’
2822 | V8_WARN_UNUSED_RESULT MaybeLocal<Object> ToObject(
| ^~~~~~~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate expects 1 argument, 0 provided
../src/deepclone.cc:180:61: error: no matching function for call to ‘v8::Set::ToObject()’
180 | copyProperties(val->ToObject(), targetSet->ToObject());
| ^
In file included from ../src/deepclone.cc:2:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate: ‘v8::MaybeLocal<v8::Object> v8::Value::ToObject(v8::Local<v8::Context>) const’
2822 | V8_WARN_UNUSED_RESULT MaybeLocal<Object> ToObject(
| ^~~~~~~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate expects 1 argument, 0 provided
../src/deepclone.cc:181:71: error: no matching function for call to ‘v8::Value::ToObject()’
181 | Nan::Set(target, key, cloneObjectToTarget(refs, val->ToObject(), copy, targetSet->ToObject(), uid));
| ^
In file included from ../src/deepclone.cc:2:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate: ‘v8::MaybeLocal<v8::Object> v8::Value::ToObject(v8::Local<v8::Context>) const’
2822 | V8_WARN_UNUSED_RESULT MaybeLocal<Object> ToObject(
| ^~~~~~~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate expects 1 argument, 0 provided
../src/deepclone.cc:181:100: error: no matching function for call to ‘v8::Set::ToObject()’
181 | Nan::Set(target, key, cloneObjectToTarget(refs, val->ToObject(), copy, targetSet->ToObject(), uid));
| ^
In file included from ../src/deepclone.cc:2:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate: ‘v8::MaybeLocal<v8::Object> v8::Value::ToObject(v8::Local<v8::Context>) const’
2822 | V8_WARN_UNUSED_RESULT MaybeLocal<Object> ToObject(
| ^~~~~~~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate expects 1 argument, 0 provided
../src/deepclone.cc:184:63: error: no matching function for call to ‘v8::Value::ToObject()’
184 | Nan::Set(target, key, cloneObject(refs, val->ToObject(), copy));
| ^
In file included from ../src/deepclone.cc:2:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate: ‘v8::MaybeLocal<v8::Object> v8::Value::ToObject(v8::Local<v8::Context>) const’
2822 | V8_WARN_UNUSED_RESULT MaybeLocal<Object> ToObject(
| ^~~~~~~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate expects 1 argument, 0 provided
../src/deepclone.cc: In function ‘Nan::NAN_METHOD_RETURN_TYPE deepClone(Nan::NAN_METHOD_ARGS_TYPE)’:
../src/deepclone.cc:218:37: error: no matching function for call to ‘v8::Value::ToBoolean()’
218 | deepCopy = optCopy->ToBoolean()->Value();
| ^
In file included from ../src/deepclone.cc:2:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2848:18: note: candidate: ‘v8::Local<v8::Boolean> v8::Value::ToBoolean(v8::Isolate*) const’
2848 | Local<Boolean> ToBoolean(Isolate* isolate) const;
| ^~~~~~~~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2848:18: note: candidate expects 1 argument, 0 provided
../src/deepclone.cc:226:66: error: no matching function for call to ‘v8::Value::ToObject()’
226 | info.GetReturnValue().Set(cloneObject(refs, source->ToObject(), deepCopy));
| ^
In file included from ../src/deepclone.cc:2:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate: ‘v8::MaybeLocal<v8::Object> v8::Value::ToObject(v8::Local<v8::Context>) const’
2822 | V8_WARN_UNUSED_RESULT MaybeLocal<Object> ToObject(
| ^~~~~~~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:2822:44: note: candidate expects 1 argument, 0 provided
In file included from ../src/deepclone.cc:3:
../src/deepclone.cc: At global scope:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/node.h:758:43: warning: cast between incompatible function types from ‘void (*)(Nan::ADDON_REGISTER_FUNCTION_ARGS_TYPE)’ {aka ‘void (*)(v8::Local<v8::Object>)’} to ‘node::addon_register_func’ {aka ‘void (*)(v8::Local<v8::Object>, v8::Local<v8::Value>, void*)’} [-Wcast-function-type]
758 | (node::addon_register_func) (regfunc), \
| ^
/home/gitpod/.cache/node-gyp/14.17.0/include/node/node.h:792:3: note: in expansion of macro ‘NODE_MODULE_X’
792 | NODE_MODULE_X(modname, regfunc, NULL, 0) // NOLINT (readability/null_usage)
| ^~~~~~~~~~~~~
../src/deepclone.cc:237:1: note: in expansion of macro ‘NODE_MODULE’
237 | NODE_MODULE(DeepClone, init)
| ^~~~~~~~~~~
In file included from ../src/deepclone.cc:2:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h: In instantiation of ‘void v8::PersistentBase<T>::SetWeak(P*, typename v8::WeakCallbackInfo<P>::Callback, v8::WeakCallbackType) [with P = node::ObjectWrap; T = v8::Object; typename v8::WeakCallbackInfo<P>::Callback = void (*)(const v8::WeakCallbackInfo<node::ObjectWrap>&)]’:
/home/gitpod/.cache/node-gyp/14.17.0/include/node/node_object_wrap.h:85:78: required from here
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:10874:16: warning: cast between incompatible function types from ‘v8::WeakCallbackInfo<node::ObjectWrap>::Callback’ {aka ‘void (*)(const v8::WeakCallbackInfo<node::ObjectWrap>&)’} to ‘Callback’ {aka ‘void (*)(const v8::WeakCallbackInfo<void>&)’} [-Wcast-function-type]
10874 | reinterpret_cast<Callback>(callback), type);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h: In instantiation of ‘void v8::PersistentBase<T>::SetWeak(P*, typename v8::WeakCallbackInfo<P>::Callback, v8::WeakCallbackType) [with P = Nan::ObjectWrap; T = v8::Object; typename v8::WeakCallbackInfo<P>::Callback = void (*)(const v8::WeakCallbackInfo<Nan::ObjectWrap>&)]’:
../../nan/nan_object_wrap.h:65:61: required from here
/home/gitpod/.cache/node-gyp/14.17.0/include/node/v8.h:10874:16: warning: cast between incompatible function types from ‘v8::WeakCallbackInfo<Nan::ObjectWrap>::Callback’ {aka ‘void (*)(const v8::WeakCallbackInfo<Nan::ObjectWrap>&)’} to ‘Callback’ {aka ‘void (*)(const v8::WeakCallbackInfo<void>&)’} [-Wcast-function-type]
make: *** [DeepClone.target.mk:111: Release/obj.target/DeepClone/src/deepclone.o] Error 1
make: Leaving directory '/workspace/author-website/node_modules/fast-deepclone/build'
gyp ERR! build error
gyp ERR! stack Error: `make` failed with exit code: 2
gyp ERR! stack at ChildProcess.onExit (/home/gitpod/.nvm/versions/node/v14.17.0/lib/node_modules/npm/node_modules/node-gyp/lib/build.js:194:23)
gyp ERR! stack at ChildProcess.emit (events.js:376:20)
gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:277:12)
gyp ERR! System Linux 5.4.0-1033-gke
gyp ERR! command "/home/gitpod/.nvm/versions/node/v14.17.0/bin/node" "/home/gitpod/.nvm/versions/node/v14.17.0/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd /workspace/author-website/node_modules/fast-deepclone
gyp ERR! node -v v14.17.0
gyp ERR! node-gyp -v v5.1.0
gyp ERR! not ok
npm WARN enoent ENOENT: no such file or directory, open '/workspace/author-website/package.json'
npm WARN author-website No description
npm WARN author-website No repository field.
npm WARN author-website No README data
npm WARN author-website No license field.
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] install: `node-gyp rebuild`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] install script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm ERR! A complete log of this run can be found in:
npm ERR! /home/gitpod/.npm/_logs/2021-06-22T01_59_30_234Z-debug.log
Steps to reproduce:
- Run
npm i fast-deepclone
More detailed steps to reproduce:
- Go to some random computer that doesn't belong to scottinet or laurence-myers . You can do this by, for instance, by going to this random gitpod-ready repository I found https://github.com/andresaunders/author-website/tree/a4332807bf0f293b567077b1043fe0f746daa417 . Then clicking on the gitpod badge on that page that looks like
. After signing into Gitpod, it should open up a free virtual machine and an IDE in your browser for you. - Run
npm i fast-deepclonein the terminal in that IDE.
Map is not cloned when passed as the root object
Reproducible test scenario (using Mocha):
const deepClone = require('fast-deepclone');
const assert = require('assert');
describe(`fast-deepclone`, function () {
it(`can deep copy a map`, function () {
const map = new Map();
map.set('key', 'value');
const copiedMap = deepClone(map, true);
assert.notStrictEqual(map, copiedMap, "Variables holding Maps should not reference the same object in memory");
assert.strictEqual(map.size, copiedMap.size, "The cloned Map should have the same size as the original Map");
});
});
This test will fail at the assertion "Variables holding Maps should not reference the same object in memory"
Deep copying a class that extends Map, e.g. a "DefaultMap", returns a Map instead
I have a custom class that extends from Map. This class is "DefaultMap", and provides a default value when an item is not found in the Map.
It looks like instances of "DefaultMap" are getting cloned as just "Map". It then loses the custom functionality provided by "DefaultMap".
Here's a test case to reproduce the problem:
const deepClone = require('fast-deepclone');
const assert = require('assert');
describe(`fast-deepclone`, function () {
it(`can deep copy a class that extends map`, function () {
class DefaultMap extends Map {
constructor(defaultValueFactory, iterable) {
super(iterable);
this.defaultValueFactory = defaultValueFactory;
}
get(key) {
if (!this.has(key)) {
const value = this.defaultValueFactory(key, this);
this.set(key, value);
return value;
} else {
return super.get(key);
}
}
}
const defaultValue = 'placeholder';
const map = new DefaultMap(() => defaultValue);
const obj = {
myMap: map
};
const copiedObj = deepClone(obj, true);
assert.notStrictEqual(obj.myMap, copiedObj.myMap, "Properties holding Maps should not reference the same object in memory");
assert.strictEqual(obj.myMap.size, copiedObj.myMap.size, "The cloned Map should have the same size as the original Map");
const value = copiedObj.myMap.get('nonExistentKey');
assert.strictEqual(value, defaultValue, "The cloned Map should be a DefaultMap, and should return the default value when given a non-existent key");
assert.notStrictEqual(obj.myMap.size, copiedObj.myMap.size, "After implicitly inserting an element, the cloned Map should have a different size to the original Map");
});
});
This test fails at the assertion "The cloned Map should be a DefaultMap, and should return the default value when given a non-existent key".
Cloning an ArrayBuffer causes a fatal assertion error, killing the process
Steps To Reproduce
fast-deepclone v1.0.0
const deepClone = require('fast-deepclone');
const arrayBuffer = new ArrayBuffer(3);
const originalDataView = new DataView(arrayBuffer);
originalDataView.setInt8(0, 1);
originalDataView.setInt8(1, 2);
originalDataView.setInt8(2, 3);
const valueToClone = {
myProperty: arrayBuffer
};
deepClone(valueToClone, true);Error message
#
# Fatal error in heap\heap.cc, line 3641
# Check failed: map->instance_type() == JS_REGEXP_TYPE || map->instance_type() == JS_OBJECT_TYPE || map->instance_type() == JS_ERROR_TYPE || map->instance_type() == JS_ARRAY_TYPE || map->instance_type() == JS_API_OBJECT_TYPE || map->instance_type() == WASM_INSTANCE_TYPE || map->instance_type() == WASM_MEMORY_TYPE || map->instance_type() == WASM_MODULE_TYPE || map->instance_type() == WASM_TABLE_TYPE || map->instance_type() == JS_SPECIAL_API_OBJECT_TYPE.
#
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