Tidy up project

- move constants to separate file
- add documentation for `memoryjs.closeProcess`
- create install script to build the lib on correct target architecture
- remove unnecessary dependencies
- clean-up eslint rules
- add downloads badge to readme
- update .npmignore

Author: Rob--

.eslintrc.js

@@ -4,18 +4,8 @@ module.exports = {
     sourceType: 'module'
   },
   extends: 'airbnb-base',
-  'rules': {
-    'no-console': 0,
-    'global-require': 0,
-    'import/no-unresolved': 0,
-    'no-param-reassign': 0,
-    'no-shadow': 0,
-    'import/extensions': 0,
-    'import/newline-after-import': 0,
-    'no-multi-assign': 0,
+  rules: {
     'linebreak-style': 0,
-    // allow debugger during development
-    'no-debugger': process.env.NODE_ENV === 'production' ? 2 : 0,
-    'consistent-return': 0,
-  }
-}
+    'import/no-unresolved': 0,
+  },
+};

.npmignore

@@ -1,4 +1,9 @@
 build
 test.js
 npm-debug.log
-/.npmignore
+.vscode
+node_modules
+test/vcxproj/Debug
+test/vcxproj/Release
+test/*.exe
+test/.vs

README.md

@@ -1,4 +1,4 @@
-# memoryjs · [![GitHub license](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/Rob--/memoryjs/blob/master/LICENSE.md) [![npm version](https://img.shields.io/npm/v/memoryjs.svg?style=flat)](https://www.npmjs.com/package/memoryjs)
+# memoryjs · [![GitHub license](https://img.shields.io/github/license/Rob--/memoryjs)](https://github.com/Rob--/memoryjs/blob/master/LICENSE.md) [![npm version](https://img.shields.io/npm/v/memoryjs.svg?style=flat)](https://www.npmjs.com/package/memoryjs) ![npm](https://img.shields.io/npm/dm/memoryjs)
 
 memoryjs is an NPM package for reading and writing process memory! (finally!)
 
@@ -76,6 +76,11 @@ memoryjs.openProcess(processIdentifier, (error, processObject) => {
 });
 ```
 
+Close/release process handle:
+``` javascript
+memoryjs.closeProcess(handle);
+```
+
 Get all processes (sync):
 ``` javascript
 const processes = memoryjs.getProcesses();

consts.js

@@ -0,0 +1,111 @@
+const dataTypes = {
+  standard: {
+    BYTE: 'byte',
+    INT: 'int',
+    INT32: 'int32',
+    UINT32: 'uint32',
+    INT64: 'int64',
+    UINT64: 'uint64',
+    DWORD: 'dword',
+    SHORT: 'short',
+    LONG: 'long',
+    FLOAT: 'float',
+    DOUBLE: 'double',
+    BOOL: 'bool',
+    BOOLEAN: 'boolean',
+    PTR: 'ptr',
+    POINTER: 'pointer',
+    STR: 'str',
+    STRING: 'string',
+    VEC3: 'vec3',
+    VECTOR3: 'vector3',
+    VEC4: 'vec4',
+    VECTOR4: 'vector4',
+  },
+  function: {
+    T_VOID: 0x0,
+    T_STRING: 0x1,
+    T_CHAR: 0x2,
+    T_BOOL: 0x3,
+    T_INT: 0x4,
+    T_DOUBLE: 0x5,
+    T_FLOAT: 0x6,
+  },
+};
+
+const signatureTypes = {
+  NORMAL: 0x0,
+  READ: 0x1,
+  SUBTRACT: 0x2,
+};
+
+const memoryFlags = {
+  // see: https://docs.microsoft.com/en-gb/windows/desktop/Memory/memory-protection-constants
+  access: {
+    PAGE_NOACCESS: 0x01,
+    PAGE_READONLY: 0x02,
+    PAGE_READWRITE: 0x04,
+    PAGE_WRITECOPY: 0x08,
+    PAGE_EXECUTE: 0x10,
+    PAGE_EXECUTE_READ: 0x20,
+    PAGE_EXECUTE_READWRITE: 0x40,
+    PAGE_EXECUTE_WRITECOPY: 0x80,
+    PAGE_GUARD: 0x100,
+    PAGE_NOCACHE: 0x200,
+    PAGE_WRITECOMBINE: 0x400,
+    PAGE_ENCLAVE_UNVALIDATED: 0x20000000,
+    PAGE_TARGETS_NO_UPDATE: 0x40000000,
+    PAGE_TARGETS_INVALID: 0x40000000,
+    PAGE_ENCLAVE_THREAD_CONTROL: 0x80000000,
+  },
+
+  // see: https://docs.microsoft.com/en-us/windows/win32/api/memoryapi/nf-memoryapi-virtualallocex#parameters
+  allocation: {
+    MEM_COMMIT: 0x00001000,
+    MEM_RESERVE: 0x00002000,
+    MEM_RESET: 0x00080000,
+    MEM_TOP_DOWN: 0x00100000,
+    MEM_RESET_UNDO: 0x1000000,
+    MEM_LARGE_PAGES: 0x20000000,
+    MEM_PHYSICAL: 0x00400000,
+  },
+
+  // see: https://docs.microsoft.com/en-us/windows/desktop/api/winnt/ns-winnt-_memory_basic_information
+  page: {
+    MEM_PRIVATE: 0x20000,
+    MEM_MAPPED: 0x40000,
+    MEM_IMAGE: 0x1000000,
+  },
+};
+
+const hardwareDebug = {
+  registers: {
+    DR0: 0x0,
+    DR1: 0x1,
+    DR2: 0x2,
+    DR3: 0x3,
+  },
+  breakpointTriggerTypes: {
+    TRIGGER_EXECUTE: 0x0,
+    TRIGGER_ACCESS: 0x3,
+    TRIGGER_WRITE: 0x1,
+  },
+};
+
+module.exports = {
+  // data type constants
+  ...dataTypes.standard,
+  ...dataTypes.function,
+
+  // pattern scanning flags
+  ...signatureTypes,
+
+  // memory flags
+  ...memoryFlags.access,
+  ...memoryFlags.allocation,
+  ...memoryFlags.page,
+
+  // debugger consts
+  ...hardwareDebug.registers,
+  ...hardwareDebug.breakpointTriggerTypes,
+};