Index: imaps-frontend/node_modules/node-addon-api/tools/conversion.js
===================================================================
--- imaps-frontend/node_modules/node-addon-api/tools/conversion.js	(revision 0c6b92add4cfaedcb91bcd37b45849f142f7d152)
+++ imaps-frontend/node_modules/node-addon-api/tools/conversion.js	(revision 0c6b92add4cfaedcb91bcd37b45849f142f7d152)
@@ -0,0 +1,301 @@
+#! /usr/bin/env node
+
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+
+const args = process.argv.slice(2);
+const dir = args[0];
+if (!dir) {
+  console.log('Usage: node ' + path.basename(__filename) + ' <target-dir>');
+  process.exit(1);
+}
+
+const NodeApiVersion = require('../package.json').version;
+
+const disable = args[1];
+let ConfigFileOperations;
+if (disable !== '--disable' && dir !== '--disable') {
+  ConfigFileOperations = {
+    'package.json': [
+      [/([ ]*)"dependencies": {/g, '$1"dependencies": {\n$1  "node-addon-api": "' + NodeApiVersion + '",'],
+      [/[ ]*"nan": *"[^"]+"(,|)[\n\r]/g, '']
+    ],
+    'binding.gyp': [
+      [/([ ]*)'include_dirs': \[/g, '$1\'include_dirs\': [\n$1  \'<!(node -p "require(\\\'node-addon-api\\\').include_dir")\','],
+      [/([ ]*)"include_dirs": \[/g, '$1"include_dirs": [\n$1  "<!(node -p \\"require(\'node-addon-api\').include_dir\\")",'],
+      [/[ ]*("|')<!\(node -e ("|'|\\"|\\')require\(("|'|\\"|\\')nan("|'|\\"|\\')\)("|'|\\"|\\')\)("|')(,|)[\r\n]/g, ''],
+      [/([ ]*)("|')target_name("|'): ("|')(.+?)("|'),/g, '$1$2target_name$2: $4$5$6,\n      $2cflags!$2: [ $2-fno-exceptions$2 ],\n      $2cflags_cc!$2: [ $2-fno-exceptions$2 ],\n      $2xcode_settings$2: { $2GCC_ENABLE_CPP_EXCEPTIONS$2: $2YES$2,\n        $2CLANG_CXX_LIBRARY$2: $2libc++$2,\n        $2MACOSX_DEPLOYMENT_TARGET$2: $210.7$2,\n      },\n      $2msvs_settings$2: {\n        $2VCCLCompilerTool$2: { $2ExceptionHandling$2: 1 },\n      },']
+    ]
+  };
+} else {
+  ConfigFileOperations = {
+    'package.json': [
+      [/([ ]*)"dependencies": {/g, '$1"dependencies": {\n$1  "node-addon-api": "' + NodeApiVersion + '",'],
+      [/[ ]*"nan": *"[^"]+"(,|)[\n\r]/g, '']
+    ],
+    'binding.gyp': [
+      [/([ ]*)'include_dirs': \[/g, '$1\'include_dirs\': [\n$1  \'<!(node -p "require(\\\'node-addon-api\\\').include_dir")\','],
+      [/([ ]*)"include_dirs": \[/g, '$1"include_dirs": [\n$1  "<!(node -p \'require(\\"node-addon-api\\").include_dir\')",'],
+      [/[ ]*("|')<!\(node -e ("|'|\\"|\\')require\(("|'|\\"|\\')nan("|'|\\"|\\')\)("|'|\\"|\\')\)("|')(,|)[\r\n]/g, ''],
+      [/([ ]*)("|')target_name("|'): ("|')(.+?)("|'),/g, '$1$2target_name$2: $4$5$6,\n      $2cflags!$2: [ $2-fno-exceptions$2 ],\n      $2cflags_cc!$2: [ $2-fno-exceptions$2 ],\n      $2defines$2: [ $2NAPI_DISABLE_CPP_EXCEPTIONS$2 ],\n      $2conditions$2: [\n        [\'OS=="win"\', { $2defines$2: [ $2_HAS_EXCEPTIONS=1$2 ] }]\n      ]']
+    ]
+  };
+}
+
+const SourceFileOperations = [
+  [/Nan::SetMethod\(target,[\s]*"(.*)"[\s]*,[\s]*([^)]+)\)/g, 'exports.Set(Napi::String::New(env, "$1"), Napi::Function::New(env, $2))'],
+
+  [/v8::Local<v8::FunctionTemplate>\s+(\w+)\s*=\s*Nan::New<FunctionTemplate>\([\w\d:]+\);(?:\w+->Reset\(\1\))?\s+\1->SetClassName\(Nan::String::New\("(\w+)"\)\);/g, 'Napi::Function $1 = DefineClass(env, "$2", {'],
+  [/Local<FunctionTemplate>\s+(\w+)\s*=\s*Nan::New<FunctionTemplate>\([\w\d:]+\);\s+(\w+)\.Reset\((\1)\);\s+\1->SetClassName\((Nan::String::New|Nan::New<(v8::)*String>)\("(.+?)"\)\);/g, 'Napi::Function $1 = DefineClass(env, "$6", {'],
+  [/Local<FunctionTemplate>\s+(\w+)\s*=\s*Nan::New<FunctionTemplate>\([\w\d:]+\);(?:\w+->Reset\(\1\))?\s+\1->SetClassName\(Nan::String::New\("(\w+)"\)\);/g, 'Napi::Function $1 = DefineClass(env, "$2", {'],
+  [/Nan::New<v8::FunctionTemplate>\(([\w\d:]+)\)->GetFunction\(\)/g, 'Napi::Function::New(env, $1)'],
+  [/Nan::New<FunctionTemplate>\(([\w\d:]+)\)->GetFunction()/g, 'Napi::Function::New(env, $1);'],
+  [/Nan::New<v8::FunctionTemplate>\(([\w\d:]+)\)/g, 'Napi::Function::New(env, $1)'],
+  [/Nan::New<FunctionTemplate>\(([\w\d:]+)\)/g, 'Napi::Function::New(env, $1)'],
+
+  // FunctionTemplate to FunctionReference
+  [/Nan::Persistent<(v8::)*FunctionTemplate>/g, 'Napi::FunctionReference'],
+  [/Nan::Persistent<(v8::)*Function>/g, 'Napi::FunctionReference'],
+  [/v8::Local<v8::FunctionTemplate>/g, 'Napi::FunctionReference'],
+  [/Local<FunctionTemplate>/g, 'Napi::FunctionReference'],
+  [/v8::FunctionTemplate/g, 'Napi::FunctionReference'],
+  [/FunctionTemplate/g, 'Napi::FunctionReference'],
+
+  [/([ ]*)Nan::SetPrototypeMethod\(\w+, "(\w+)", (\w+)\);/g, '$1InstanceMethod("$2", &$3),'],
+  [/([ ]*)(?:\w+\.Reset\(\w+\);\s+)?\(target\)\.Set\("(\w+)",\s*Nan::GetFunction\((\w+)\)\);/gm,
+    '});\n\n' +
+    '$1constructor = Napi::Persistent($3);\n' +
+    '$1constructor.SuppressDestruct();\n' +
+    '$1target.Set("$2", $3);'],
+
+  // TODO: Other attribute combinations
+  [/static_cast<PropertyAttribute>\(ReadOnly\s*\|\s*DontDelete\)/gm,
+    'static_cast<napi_property_attributes>(napi_enumerable | napi_configurable)'],
+
+  [/([\w\d:<>]+?)::Cast\((.+?)\)/g, '$2.As<$1>()'],
+
+  [/\*Nan::Utf8String\(([^)]+)\)/g, '$1->As<Napi::String>().Utf8Value().c_str()'],
+  [/Nan::Utf8String +(\w+)\(([^)]+)\)/g, 'std::string $1 = $2.As<Napi::String>()'],
+  [/Nan::Utf8String/g, 'std::string'],
+
+  [/v8::String::Utf8Value (.+?)\((.+?)\)/g, 'Napi::String $1(env, $2)'],
+  [/String::Utf8Value (.+?)\((.+?)\)/g, 'Napi::String $1(env, $2)'],
+  [/\.length\(\)/g, '.Length()'],
+
+  [/Nan::MakeCallback\(([^,]+),[\s\\]+([^,]+),/gm, '$2.MakeCallback($1,'],
+
+  [/class\s+(\w+)\s*:\s*public\s+Nan::ObjectWrap/g, 'class $1 : public Napi::ObjectWrap<$1>'],
+  [/(\w+)\(([^)]*)\)\s*:\s*Nan::ObjectWrap\(\)\s*(,)?/gm, '$1($2) : Napi::ObjectWrap<$1>()$3'],
+
+  // HandleOKCallback to OnOK
+  [/HandleOKCallback/g, 'OnOK'],
+  // HandleErrorCallback to OnError
+  [/HandleErrorCallback/g, 'OnError'],
+
+  // ex. .As<Function>() to .As<Napi::Object>()
+  [/\.As<v8::(Value|Boolean|String|Number|Object|Array|Symbol|External|Function)>\(\)/g, '.As<Napi::$1>()'],
+  [/\.As<(Value|Boolean|String|Number|Object|Array|Symbol|External|Function)>\(\)/g, '.As<Napi::$1>()'],
+
+  // ex. Nan::New<Number>(info[0]) to Napi::Number::New(info[0])
+  [/Nan::New<(v8::)*Integer>\((.+?)\)/g, 'Napi::Number::New(env, $2)'],
+  [/Nan::New\(([0-9.]+)\)/g, 'Napi::Number::New(env, $1)'],
+  [/Nan::New<(v8::)*String>\("(.+?)"\)/g, 'Napi::String::New(env, "$2")'],
+  [/Nan::New\("(.+?)"\)/g, 'Napi::String::New(env, "$1")'],
+  [/Nan::New<(v8::)*(.+?)>\(\)/g, 'Napi::$2::New(env)'],
+  [/Nan::New<(.+?)>\(\)/g, 'Napi::$1::New(env)'],
+  [/Nan::New<(v8::)*(.+?)>\(/g, 'Napi::$2::New(env, '],
+  [/Nan::New<(.+?)>\(/g, 'Napi::$1::New(env, '],
+  [/Nan::NewBuffer\(/g, 'Napi::Buffer<char>::New(env, '],
+  // TODO: Properly handle this
+  [/Nan::New\(/g, 'Napi::New(env, '],
+
+  [/\.IsInt32\(\)/g, '.IsNumber()'],
+  [/->IsInt32\(\)/g, '.IsNumber()'],
+
+  [/(.+?)->BooleanValue\(\)/g, '$1.As<Napi::Boolean>().Value()'],
+  [/(.+?)->Int32Value\(\)/g, '$1.As<Napi::Number>().Int32Value()'],
+  [/(.+?)->Uint32Value\(\)/g, '$1.As<Napi::Number>().Uint32Value()'],
+  [/(.+?)->IntegerValue\(\)/g, '$1.As<Napi::Number>().Int64Value()'],
+  [/(.+?)->NumberValue\(\)/g, '$1.As<Napi::Number>().DoubleValue()'],
+
+  // ex. Nan::To<bool>(info[0]) to info[0].Value()
+  [/Nan::To<v8::(Boolean|String|Number|Object|Array|Symbol|Function)>\((.+?)\)/g, '$2.To<Napi::$1>()'],
+  [/Nan::To<(Boolean|String|Number|Object|Array|Symbol|Function)>\((.+?)\)/g, '$2.To<Napi::$1>()'],
+  // ex. Nan::To<bool>(info[0]) to info[0].As<Napi::Boolean>().Value()
+  [/Nan::To<bool>\((.+?)\)/g, '$1.As<Napi::Boolean>().Value()'],
+  // ex. Nan::To<int>(info[0]) to info[0].As<Napi::Number>().Int32Value()
+  [/Nan::To<int>\((.+?)\)/g, '$1.As<Napi::Number>().Int32Value()'],
+  // ex. Nan::To<int32_t>(info[0]) to info[0].As<Napi::Number>().Int32Value()
+  [/Nan::To<int32_t>\((.+?)\)/g, '$1.As<Napi::Number>().Int32Value()'],
+  // ex. Nan::To<uint32_t>(info[0]) to info[0].As<Napi::Number>().Uint32Value()
+  [/Nan::To<uint32_t>\((.+?)\)/g, '$1.As<Napi::Number>().Uint32Value()'],
+  // ex. Nan::To<int64_t>(info[0]) to info[0].As<Napi::Number>().Int64Value()
+  [/Nan::To<int64_t>\((.+?)\)/g, '$1.As<Napi::Number>().Int64Value()'],
+  // ex. Nan::To<float>(info[0]) to info[0].As<Napi::Number>().FloatValue()
+  [/Nan::To<float>\((.+?)\)/g, '$1.As<Napi::Number>().FloatValue()'],
+  // ex. Nan::To<double>(info[0]) to info[0].As<Napi::Number>().DoubleValue()
+  [/Nan::To<double>\((.+?)\)/g, '$1.As<Napi::Number>().DoubleValue()'],
+
+  [/Nan::New\((\w+)\)->HasInstance\((\w+)\)/g, '$2.InstanceOf($1.Value())'],
+
+  [/Nan::Has\(([^,]+),\s*/gm, '($1).Has('],
+  [/\.Has\([\s|\\]*Nan::New<(v8::)*String>\(([^)]+)\)\)/gm, '.Has($1)'],
+  [/\.Has\([\s|\\]*Nan::New\(([^)]+)\)\)/gm, '.Has($1)'],
+
+  [/Nan::Get\(([^,]+),\s*/gm, '($1).Get('],
+  [/\.Get\([\s|\\]*Nan::New<(v8::)*String>\(([^)]+)\)\)/gm, '.Get($1)'],
+  [/\.Get\([\s|\\]*Nan::New\(([^)]+)\)\)/gm, '.Get($1)'],
+
+  [/Nan::Set\(([^,]+),\s*/gm, '($1).Set('],
+  [/\.Set\([\s|\\]*Nan::New<(v8::)*String>\(([^)]+)\)\s*,/gm, '.Set($1,'],
+  [/\.Set\([\s|\\]*Nan::New\(([^)]+)\)\s*,/gm, '.Set($1,'],
+
+  // ex. node::Buffer::HasInstance(info[0]) to info[0].IsBuffer()
+  [/node::Buffer::HasInstance\((.+?)\)/g, '$1.IsBuffer()'],
+  // ex. node::Buffer::Length(info[0]) to info[0].Length()
+  [/node::Buffer::Length\((.+?)\)/g, '$1.As<Napi::Buffer<char>>().Length()'],
+  // ex. node::Buffer::Data(info[0]) to info[0].Data()
+  [/node::Buffer::Data\((.+?)\)/g, '$1.As<Napi::Buffer<char>>().Data()'],
+  [/Nan::CopyBuffer\(/g, 'Napi::Buffer::Copy(env, '],
+
+  // Nan::AsyncQueueWorker(worker)
+  [/Nan::AsyncQueueWorker\((.+)\);/g, '$1.Queue();'],
+  [/Nan::(Undefined|Null|True|False)\(\)/g, 'env.$1()'],
+
+  // Nan::ThrowError(error) to Napi::Error::New(env, error).ThrowAsJavaScriptException()
+  [/([ ]*)return Nan::Throw(\w*?)Error\((.+?)\);/g, '$1Napi::$2Error::New(env, $3).ThrowAsJavaScriptException();\n$1return env.Null();'],
+  [/Nan::Throw(\w*?)Error\((.+?)\);\n(\s*)return;/g, 'Napi::$1Error::New(env, $2).ThrowAsJavaScriptException();\n$3return env.Null();'],
+  [/Nan::Throw(\w*?)Error\((.+?)\);/g, 'Napi::$1Error::New(env, $2).ThrowAsJavaScriptException();\n'],
+  // Nan::RangeError(error) to Napi::RangeError::New(env, error)
+  [/Nan::(\w*?)Error\((.+)\)/g, 'Napi::$1Error::New(env, $2)'],
+
+  [/Nan::Set\((.+?),\n* *(.+?),\n* *(.+?),\n* *(.+?)\)/g, '$1.Set($2, $3, $4)'],
+
+  [/Nan::(Escapable)?HandleScope\s+(\w+)\s*;/g, 'Napi::$1HandleScope $2(env);'],
+  [/Nan::(Escapable)?HandleScope/g, 'Napi::$1HandleScope'],
+  [/Nan::ForceSet\(([^,]+), ?/g, '$1->DefineProperty('],
+  [/\.ForceSet\(Napi::String::New\(env, "(\w+)"\),\s*?/g, '.DefineProperty("$1", '],
+  // [ /Nan::GetPropertyNames\(([^,]+)\)/, '$1->GetPropertyNames()' ],
+  [/Nan::Equals\(([^,]+),/g, '$1.StrictEquals('],
+
+  [/(.+)->Set\(/g, '$1.Set('],
+
+  [/Nan::Callback/g, 'Napi::FunctionReference'],
+
+  [/Nan::Persistent<Object>/g, 'Napi::ObjectReference'],
+  [/Nan::ADDON_REGISTER_FUNCTION_ARGS_TYPE target/g, 'Napi::Env& env, Napi::Object& target'],
+
+  [/(\w+)\*\s+(\w+)\s*=\s*Nan::ObjectWrap::Unwrap<\w+>\(info\.This\(\)\);/g, '$1* $2 = this;'],
+  [/Nan::ObjectWrap::Unwrap<(\w+)>\((.*)\);/g, '$2.Unwrap<$1>();'],
+
+  [/Nan::NAN_METHOD_RETURN_TYPE/g, 'void'],
+  [/NAN_INLINE/g, 'inline'],
+
+  [/Nan::NAN_METHOD_ARGS_TYPE/g, 'const Napi::CallbackInfo&'],
+  [/NAN_METHOD\(([\w\d:]+?)\)/g, 'Napi::Value $1(const Napi::CallbackInfo& info)'],
+  [/static\s*NAN_GETTER\(([\w\d:]+?)\)/g, 'Napi::Value $1(const Napi::CallbackInfo& info)'],
+  [/NAN_GETTER\(([\w\d:]+?)\)/g, 'Napi::Value $1(const Napi::CallbackInfo& info)'],
+  [/static\s*NAN_SETTER\(([\w\d:]+?)\)/g, 'void $1(const Napi::CallbackInfo& info, const Napi::Value& value)'],
+  [/NAN_SETTER\(([\w\d:]+?)\)/g, 'void $1(const Napi::CallbackInfo& info, const Napi::Value& value)'],
+  [/void Init\((v8::)*Local<(v8::)*Object> exports\)/g, 'Napi::Object Init(Napi::Env env, Napi::Object exports)'],
+  [/NAN_MODULE_INIT\(([\w\d:]+?)\);/g, 'Napi::Object $1(Napi::Env env, Napi::Object exports);'],
+  [/NAN_MODULE_INIT\(([\w\d:]+?)\)/g, 'Napi::Object $1(Napi::Env env, Napi::Object exports)'],
+
+  [/::(Init(?:ialize)?)\(target\)/g, '::$1(env, target, module)'],
+  [/constructor_template/g, 'constructor'],
+
+  [/Nan::FunctionCallbackInfo<(v8::)?Value>[ ]*& [ ]*info\)[ ]*{\n*([ ]*)/gm, 'Napi::CallbackInfo& info) {\n$2Napi::Env env = info.Env();\n$2'],
+  [/Nan::FunctionCallbackInfo<(v8::)*Value>\s*&\s*info\);/g, 'Napi::CallbackInfo& info);'],
+  [/Nan::FunctionCallbackInfo<(v8::)*Value>\s*&/g, 'Napi::CallbackInfo&'],
+
+  [/Buffer::HasInstance\(([^)]+)\)/g, '$1.IsBuffer()'],
+
+  [/info\[(\d+)\]->/g, 'info[$1].'],
+  [/info\[([\w\d]+)\]->/g, 'info[$1].'],
+  [/info\.This\(\)->/g, 'info.This().'],
+  [/->Is(Object|String|Int32|Number)\(\)/g, '.Is$1()'],
+  [/info.GetReturnValue\(\).SetUndefined\(\)/g, 'return env.Undefined()'],
+  [/info\.GetReturnValue\(\)\.Set\(((\n|.)+?)\);/g, 'return $1;'],
+
+  // ex. Local<Value> to Napi::Value
+  [/v8::Local<v8::(Value|Boolean|String|Number|Object|Array|Symbol|External|Function)>/g, 'Napi::$1'],
+  [/Local<(Value|Boolean|String|Number|Object|Array|Symbol|External|Function)>/g, 'Napi::$1'],
+
+  // Declare an env in helper functions that take a Napi::Value
+  [/(\w+)\(Napi::Value (\w+)(,\s*[^()]+)?\)\s*{\n*([ ]*)/gm, '$1(Napi::Value $2$3) {\n$4Napi::Env env = $2.Env();\n$4'],
+
+  // delete #include <node.h> and/or <v8.h>
+  [/#include +(<|")(?:node|nan).h("|>)/g, '#include $1napi.h$2\n#include $1uv.h$2'],
+  // NODE_MODULE to NODE_API_MODULE
+  [/NODE_MODULE/g, 'NODE_API_MODULE'],
+  [/Nan::/g, 'Napi::'],
+  [/nan.h/g, 'napi.h'],
+
+  // delete .FromJust()
+  [/\.FromJust\(\)/g, ''],
+  // delete .ToLocalCheck()
+  [/\.ToLocalChecked\(\)/g, ''],
+  [/^.*->SetInternalFieldCount\(.*$/gm, ''],
+
+  // replace using node; and/or using v8; to using Napi;
+  [/using (node|v8);/g, 'using Napi;'],
+  [/using namespace (node|Nan|v8);/g, 'using namespace Napi;'],
+  // delete using v8::Local;
+  [/using v8::Local;\n/g, ''],
+  // replace using v8::XXX; with using Napi::XXX
+  [/using v8::([A-Za-z]+);/g, 'using Napi::$1;']
+
+];
+
+const paths = listFiles(dir);
+paths.forEach(function (dirEntry) {
+  const filename = dirEntry.split('\\').pop().split('/').pop();
+
+  // Check whether the file is a source file or a config file
+  // then execute function accordingly
+  const sourcePattern = /.+\.h|.+\.cc|.+\.cpp/;
+  if (sourcePattern.test(filename)) {
+    convertFile(dirEntry, SourceFileOperations);
+  } else if (ConfigFileOperations[filename] != null) {
+    convertFile(dirEntry, ConfigFileOperations[filename]);
+  }
+});
+
+function listFiles (dir, filelist) {
+  const files = fs.readdirSync(dir);
+  filelist = filelist || [];
+  files.forEach(function (file) {
+    if (file === 'node_modules') {
+      return;
+    }
+
+    if (fs.statSync(path.join(dir, file)).isDirectory()) {
+      filelist = listFiles(path.join(dir, file), filelist);
+    } else {
+      filelist.push(path.join(dir, file));
+    }
+  });
+  return filelist;
+}
+
+function convert (content, operations) {
+  for (let i = 0; i < operations.length; i++) {
+    const operation = operations[i];
+    content = content.replace(operation[0], operation[1]);
+  }
+  return content;
+}
+
+function convertFile (fileName, operations) {
+  fs.readFile(fileName, 'utf-8', function (err, file) {
+    if (err) throw err;
+
+    file = convert(file, operations);
+
+    fs.writeFile(fileName, file, function (err) {
+      if (err) throw err;
+    });
+  });
+}
